835 results about "Micro motor" patented technology

The invention belongs to the crossing field of artificial intelligence and mechanical engineering, particularly relates to a micro-motor fault prediction and health management system, and aims to solve the problems that early faults of a micro-motor are difficult to recognize, degradation modeling is inaccurate and maintenance lags. The system collects multi-source data through high-density sensing, combines denoising reconstruction, composite feature extraction and time-varying weighted fusion to generate health indexes, identifies health stages by using a segmented hidden Markov model, iteratively updates residual life prediction based on a Wiener process, outputs an estimation result with a confidence interval, and links a hierarchical maintenance strategy. And continuous optimization of the model is realized through federal learning. The system improves the fault early warning accuracy and prediction reliability, and reduces the operation and maintenance cost.

The invention discloses an optical filter switching device of a camera. The optical filter switching device comprises a bottom frame, a micro motor, a driving gear, a scene switching gear and a positioning structure. The bottom frame is provided with a light-transmitting opening which is used for corresponding to a lens light path of the camera; the micro motor is fixed below the bottom frame; a motor shaft of the micro motor penetrates through the bottom frame and is connected with the driving gear; the scene switching gear is arranged above the bottom frame and engaged with the driving gear, a plurality of installation openings are evenly distributed in the circumferential direction, and optical filters with different light transmittances are embedded in the installation openings. The bottom frame is provided with an arc-shaped rotary positioning groove, a plurality of positioning magnets are embedded in the groove at intervals, and a magnetic positioning column is arranged at the lower end of the scene switching gear and extends into the positioning groove. When the micro motor drives the gear to drive the scene switching gear to rotate, the optical filters can be sequentially switched to the positions of the light-transmitting openings, the magnetic positioning columns and the corresponding positioning magnets are attracted, and accurate positioning of the optical filters is achieved.

A vibration mechanism for a concrete finishing tool includes adapters for removable attachment to the tool and a device housing with a general chamber supporting a battery electrically connected to a vibrator assembly, which includes a vibrator housing with annular fins and openings that slow heat transfer and direct heat away from other components. Vibrator assembly components positioned in vibrator housing are a rotor with a rotor shaft and weighted body, a bearing supporting the rotor, a motor with an output shaft, a combination spacer with a resilient spacer band and a micro motor shaft seal positioned adjacent the motor and around the motor output shaft, and a resilient link between the rotor shaft and the motor output shaft. A resilient vibrator band around the vibrator housing transfers vibrations to the device housing and together with the combination spacer minimizes fluid leakage within the vibrator assembly and device housing.

The invention relates to the technical field of cross-linked polyethylene insulated cables, and discloses an overhead insulated cable with an anti-icing coating, which comprises a cable core, an inner shielding layer, an insulating layer, an outer shielding layer, an inner sheath, an armor layer and other conventional structures, and is characterized in that a driving assembly and an anti-icing jacket assembly are arranged outside at equal intervals; the driving assembly is driven by the fixed ring, the rotating ring and the micro motor to drive the spiral twisting wire to be alternately tightened and loosened, so that the flexible twisting sleeve synchronously realizes radial wriggling and circumferential bidirectional torsion, the outer wall of the flexible twisting sleeve is provided with a V-shaped axial twisting groove, and the outer wall of the flexible twisting sleeve is coated with a compound anti-icing coating; according to the scheme, a bonding interface for breaking an ice blank and the surface of the cable at the initial stage can be formed on an ice shell, a thin water film is quickly discharged to block an icing core, and the hydrophobic and ice-hydrophobic characteristics of the coating are matched, so that ice layer growth circulation is cut off from the source, icing thickening is effectively inhibited, and safety accidents caused by large-scale icing are avoided; and the operation reliability of the aerial cable in the freezing rain, high-humidity and low-temperature environment is improved.

The invention discloses a self-sensing anti-falling structure of an intelligent lock catch and a state monitoring method, the self-sensing anti-falling structure comprises a lock catch main body, and the center of the lock catch main body is provided with a first accommodating cavity for accommodating a data line plug; an anti-falling assembly, a controller and a power supply module are arranged in the lock catch body, the power supply module is electrically connected with the controller, the anti-falling assembly comprises a micro motor and a locking piece, at least two locking cavities are formed around the first containing cavity at equal angles, the micro motor is arranged in the lock catch body, and the locking piece is installed in the locking cavities through bearings. A rotating shaft of the micro motor drives the locking piece to rotate, and the locking piece is a barrel provided with an internal thread; the buckling piece is provided with a second containing cavity used for containing a data line socket, a plurality of locking rods are arranged on the side, close to the lock catch body, of the buckling piece, external threads are arranged on the locking rods, and the locking rods are in threaded connection with the locking piece. The sensing assembly comprises a distance detection sensor and a detection plate, and the distance detection sensor and the detection plate are fixed to one side of the data line plug and one side of the data line socket respectively.

The invention belongs to the technical field of piezoelectric ultrasonic motors, and particularly relates to a piezoelectric micro motor stator and rotor structure and a micro piezoelectric motor module. According to the technical scheme, the stator and rotor structure of the piezoelectric micro motor comprises a stator and a rotor, and the stator comprises a steel plate, a piezoelectric film arranged on the steel plate and a plurality of electrodes arranged on the piezoelectric film along the circumference; after alternating current driving voltage is loaded on the electrodes, traveling waves in circumferential transmission are excited on the stator, the traveling waves on the stator are provided with at least one wave crest, permanent magnets with the same number as the wave crests of the traveling waves are fixed on the rotor, and magnetic attraction exists between the steel plates and the permanent magnets. The invention provides a piezoelectric micro motor stator and rotor structure and a micro piezoelectric motor module. A piezoelectric ceramic film driven by low voltage is used as a transduction element, coupling is carried out through magnetic attraction force, low-voltage driving is achieved, meanwhile, the thickness of the ultrasonic micro motor is thin enough, and support is provided for applications such as an embedded terminal; magnetic attraction force is used as coupling driving force, frictional wear between the stator and the rotor is avoided, and the service life of the ultrasonic motor is prolonged.

The utility model relates to the technical field of camera equipment, and discloses a camera privacy protection device and a camera, which comprises a base, a support rotationally mounted on the base, a ball seat fixedly mounted on the support, a motor box fixedly mounted on the front side of the support, and a driver fixedly mounted in the motor box. The driver is electrically connected with a power source in the motor box through a connecting line, a micro motor is fixedly installed at the position, close to the driver, in the motor box, the micro motor is also electrically connected with the driver through a connecting line, and a shielding mechanism is movably installed on the side, opposite to the ball seat, of the motor box and comprises a shielding cover and an installation box. And connecting plates are fixedly mounted at the upper end and the lower end of the cover. The shielding mechanism is arranged on one side of the motor box, the shielding mechanism is composed of a shielding cover, a connecting plate, a mounting box, an adjusting seat, a clamping block and the like, and the shielding cover can be remotely controlled to shield the front side of the camera in cooperation with a driver, a micro motor and a lead screw, so that privacy protection is achieved when the camera is not used.

The invention relates to the field of food pesticide residue detection, and particularly discloses a food pesticide residue data acquisition device, which comprises a shell, a sample pretreatment assembly, a detection module, a data processing module, a communication module and a power supply module, wherein the sample pretreatment assembly comprises a sample inlet bin formed in the shell, a sealing cover plate is slidably mounted on the surface of the shell and located at the top of the sample inlet bin, and a micro motor is fixedly mounted in an inner cavity of the shell and located at the bottom of the sample inlet bin; the data acquisition device for food pesticide residues has the beneficial effects that the miniature crushing blade and the solvent release pipe are integrated in the sample inlet bin, and the micro-fluidic main chip is arranged under the sample inlet bin, so that sample crushing, solvent extraction, mixing, reaction and split-flow detection are automatically completed in a closed system, manual intervention is not needed, and the detection efficiency is improved. The detection efficiency and repeatability are remarkably improved, and cross contamination and operation errors are effectively avoided.

The utility model discloses metal base material surface coating binding force detection equipment which comprises a detection table, a detection assembly and an auxiliary assembly are arranged at the upper end of the detection table, a controller is arranged on one side of the detection table, and through cooperation of the detection assembly and the auxiliary assembly, multi-angle and multi-mode detection of the metal base material surface coating binding force can be achieved. The defects that in the prior art, a detection method is single, and the binding force cannot be comprehensively and accurately evaluated are overcome, specifically, a first electric push rod, a first motor, an adjusting gear, an adjusting rack, a micro motor and other parts in the detection assembly can accurately adjust the detection force and the detection position, and the detection accuracy is improved. Therefore, the pressing detection block can detect the coating with proper force and angle, so that the bonding strength between the coating and the metal base material can be measured more accurately.

This utility model discloses a micro motor with self-lubricating function, relating to the field of micro motor technology. It includes a housing, with a bearing installed through one end and a guide pipe installed through the upper end. A semi-circular oil reservoir is located inside the housing, with a liquid level sensor fixedly installed at the bottom. A lubrication pipe is installed at the lower opening of the semi-circular oil reservoir, with multiple sets of inclined guide plates interlaced inside the lubrication pipe. A spiral oil guide hole is opened inside the lubrication pipe at its lower end. This utility model can precisely control the lubricating oil flow rate, preventing the lubricating oil from being depleted in a short time due to excessive flow, ensuring the bearing receives continuous and adequate lubrication. Furthermore, it can balance air pressure to ensure normal lubrication flow and effectively prevent dust, moisture, and other foreign matter from entering.

The application relates to the field of electric motorcycle battery devices, in particular to an electric motorcycle battery with hierarchical heat dissipation protection function, which comprises a positioning and leading-out device, a battery shell is arranged at the center of the front end surface of the positioning and leading-out device, and four groups of positioning clamping grooves are arranged at the front opening of the battery shell. When the electric motorcycle battery is protected, when the temperature sensing probe detects that the electric motorcycle battery appears open fire or irreversible ignition temperature, the micro motor can provide power rotation for the threaded shaft through the synchronous belt wheel and the synchronous belt, the threaded shaft can be connected with the threaded guide sleeve through the threaded connection, then the electric motorcycle battery is elastically led out, the electric motorcycle battery is separated from the electric motorcycle, the damage to the electric motorcycle is reduced to the maximum, and the protection performance of the electric motorcycle and the user is improved.

The luring device comprises a base, the upper surface of the base is fixedly connected with a protective conical cylinder, the inner wall of the protective conical cylinder is in threaded connection with a threaded column, the upper surface of the threaded column is fixedly connected with a conical cover, a plurality of first air holes are formed in the surface of the protective conical cylinder, and a plurality of second air holes are formed in the surface of the protective conical cylinder. A trapping and killing mechanism is fixedly connected to the inner bottom wall of the base and comprises a micro motor fixedly connected to the inner bottom wall of the base, the output end of the micro motor is fixedly connected with a driving shaft, a conical barrel is fixedly connected to the inner bottom wall of the base, and a plurality of discharging ring grooves are formed in the surface of the conical barrel. And the surface of the driving shaft is fixedly connected with a fan. When the termite cleaning device is used for cleaning dead termites, after the material taking plates are inserted into the material placing ring groove, the inclined plate rotates to shovel out the termites in the material placing ring groove through the material taking plates through the material taking plates, and rapid cleaning of the termites is achieved.

The utility model belongs to strength detection device technical field, concretely relates to a new energy power battery U type frame frame body strength detection device, including test machine body, test machine body surface installs upper pressure disc, test machine body surface installs lower tray, lower tray horizontal end bottom surface installs micro motor, micro motor output end surface connects two -way screw rod, two -way screw rod other side surface bushing in bearing surface installation of mounting plate, the utility model discloses, through the cooperation of micro motor and two -way screw rod installed on lower tray, the spacing between two groups of moving frame is automatically regulated, thereby the frame body of needing detection is clamped fixed, to improve the clamping efficiency, the clamping plate and detachable non - slip pad of elastic connection on moving frame can be adjusted according to different models frame body, thereby satisfy the clamping fixed of different models frame body, to improve the practicality of test machine body to frame body detection.

The heat dissipation structure comprises a filter body and an installation shell, the bottom of the installation shell is provided with an installation groove, the filter body is inserted in the installation groove, the inner walls of the left side and the right side, close to the bottom, of the installation shell are respectively provided with a rectangular opening, and the top face of the installation shell is fixedly connected with a cover body. According to the utility model, the filter body penetrates through the rectangular opening and then is arranged in the mounting groove, so that the mounting shell made of an aluminum-chromium alloy material is matched with the dustproof sheet in the rectangular opening to provide buffering and dustproof protection for the filter body, and the filter body is prevented from being damaged by accidental impact during mounting or maintenance; normal use of the filter body is ensured, the two connecting rods are driven by the micro motor to rotate at the same time under the supporting action of the bearing seat, so that the two connecting rods drive the two sets of heat dissipation blades to rotate, efficient heat dissipation is provided for the filter body in cooperation with the heat dissipation fins, and the service life of the filter body is prolonged.

The utility model relates to computer hardware technical field discloses a set top box mainboard entity structure of optimization wiring layout, including set top box and host board, the inside installation of host board has heat abstract mechanism, heat abstract mechanism is used for the heat dissipation of host board, the top wall of machine body is provided with dust removal mechanism, dust removal mechanism is used for the dust removal of machine body, heat abstract mechanism includes micro motor, micro motor installs in the inside of host board, the output fixedly connected with pivot no.

The application discloses a high-efficiency heat-dissipation micro motor, which comprises a motor body and a heat-dissipation device. The heat-dissipation device is arranged at the rear part of the motor body. When the rotor body in the motor body operates, the first fan on the outer end side can be driven to rotate, so that the heat in the motor body is discharged. Meanwhile, when the rotor body rotates, the first bevel gear and the second bevel gear can be engaged and driven. Thus, in cooperation with the rotating shaft, the bottom air inlet assembly can be operated, so that the external air can quickly enter the air conveying assembly and then quickly enter the motor body, and the air circulation in the motor body is enhanced. Meanwhile, in cooperation with the cooling assembly arranged outside the air conveying assembly, the entered air can be cooled, so that the heat-dissipation effect of the motor is further enhanced. Furthermore, when the rotating shaft rotates, the extension assembly can be operated, so that the air can be blown in all directions, and the air entering the heat-dissipation range is enhanced.

The invention relates to an underpants type paper diaper with an improved waistline structure, and belongs to the technical field of paper diapers, the underpants type paper diaper comprises a paper diaper body, the paper diaper body comprises an absorption main body and leg openings formed in the absorption main body, and a connecting assembly used for adjusting the waistline is arranged outside the paper diaper body. A spraying deodorization mechanism used for removing peculiar smell generated by using the paper diaper body is arranged outside the paper diaper body; the connecting assembly comprises a hook-and-loop fastener connecting belt connected to the outer portion of the absorption body in a pasted mode, and a first fixing block and a second fixing block which are fixedly connected to the outer portion of the absorption body. According to the underpants type paper diaper with the improved waistline structure, balanced waistline adjustment is achieved through the two sets of symmetrical connecting assemblies, meanwhile, a pressing rod is pressed to extract deodorization liquid, a stirring barrel is driven to rotate through a micro motor, liquid flowing is promoted through a liquid outlet hole, the deodorization liquid is fully stirred and diluted, and the deodorization liquid is sprayed out through a micro atomizer after being diluted through a liquid conveying hole; the peculiar smell is effectively removed.

The utility model discloses a micro motor control type artificial stomach tube sphincter which comprises a stomach bag, the top end of the stomach bag is connected with a stomach tube, a bandage is movably installed on the outer surface of the stomach tube, a rope ring groove is formed in the bandage, a tightening rope is movably installed in the rope ring groove, the bandage is made of silica gel, and the tightening rope is connected with the stomach bag. The bandage is spirally wound on the surface of the stomach tube, and the tightening rope is attached to the surface of the stomach tube. Through the cooperation of the tightening rope and the push-pull type electromagnet, when the device is used, the push-pull type electromagnet can be controlled through external remote control to drive the T-shaped connecting rod to retract, so that the two ends of the tightening rope are pulled through the connector, the tightening rope is tightened towards the inner side, and then the stomach tube is extruded to contract towards the inner side; and then the push-pull type electromagnet drives the T-shaped connecting rod to be pushed out, the tightening rope is loosened, then the stomach tube is loosened, relaxation and contraction of the sphincter are achieved, and then the feeding requirement is met.

This utility model relates to an auxiliary starting device for testing micro motors, comprising a base plate, a support frame, and a support plate. The support frame and support plate are both vertically mounted on the base plate. A testing machine is mounted on the support frame, and a tail extension shaft is mounted on the testing machine and driven by its rotating shaft. The test motor is mounted on the support plate, and the rotating shaft of the test motor is driven by the rotating shaft of the testing machine, so that when the rotating shaft of the testing machine rotates, it drives the rotating shaft of the test motor to rotate. This auxiliary starting device for testing micro motors uses a linear module to move a rotating actuator mounted on the mounting plate, thereby connecting the rotating shaft of the rotating actuator to the tail extension shaft via a one-way bearing. In other words, the rotating actuator drives the tail extension shaft and the rotating shaft of the testing machine to rotate, thus providing auxiliary support to the test motor.

The invention discloses a GIS equipment gas leakage detection and under-pressure plugging system and a use method thereof, the GIS equipment gas leakage detection and under-pressure plugging system comprises a glue injection machine and a special-shaped suction cup, the special-shaped suction cup and the glue injection machine are connected through a glue injection hose, and the SF6 gas detector is used for detecting gas leakage points; wherein the special-shaped suction cup comprises a groove formed in the inner side, a rubber edge is arranged on the periphery of the groove, a glue injection hole and a vent hole are formed in the surface of the special-shaped suction cup, and a binding ribbon and a pressure gauge are further arranged on the special-shaped suction cup; the gel injection machine comprises a microprocessor, a gel storage bag, a micro motor, a display screen, a storage unit and a rechargeable power supply; the SF6 gas detector comprises an infrared imaging unit and a gas acquisition and identification unit; the method is applied to the detection and electrified plugging of the special-shaped gas leakage points of the GIS equipment, and solves the problems that the detection means of the existing plugging method are deficient, the GIS equipment is damaged, and the irregular gas leakage points of the GIS equipment are difficult to effectively plug.

The utility model discloses a kind of large-angle warmer panel, including warmer panel, first air outlet groove is equipped on warmer panel, a plurality of first spoiler vane are set on first air outlet groove;The top of warmer panel is equipped with assembly box, installation cavity is set in assembly box, adjusting mechanism is equipped in installation cavity, the output end of adjusting mechanism is equipped with deflector, second spoiler vane is movably set on deflector.The utility model is adjusted in actual use process, the unfolded position of deflector is adjusted by adjusting mechanism, warm air generated by warmer is adjusted by deflector to realize multiple angles, and the conveying area of warm air is expanded;And micro motor can drive second spoiler vane to rotate, second spoiler vane is used to realize secondary adjustment to warm air, and the conveying area of warm air is expanded.

The utility model relates to the technical field of central air conditioner pipe fixing tools, in particular to an adjustable central air conditioner pipe fixing hoop frame which comprises a pipe body used as a device body, and two fixing mechanisms used for fixing pipelines of different specifications are symmetrically arranged at the two ends of the pipe body. The fixing mechanism comprises two first clamping rods, two second clamping rods and a supporting plate, and connecting plates are fixedly connected between the first clamping rods and the second clamping rods located on the same side. By arranging the fixing mechanism, the device can adaptively fix pipe bodies of different specifications, the two sides of the pipe bodies are supported and clamped through a combination formed by the first supporting rods, the second supporting rods and the connecting plates, and the two-way threaded rod is driven to rotate through the micro motor; and the two long plates slide in the sliding grooves through the multiple sliding blocks, so that the two fixing plates can move relatively, and therefore the device is suitable for pipe bodies of different specifications, and the applicability is high.

A telescopic electric tooth gap brush with a flushing function comprises a main body, a micro motor and a micro water pump are mounted in the main body, the micro motor is located at the upper end of the micro water pump, a reciprocating mechanism is mounted at the power end of the micro motor, and a brush head mounting head is mounted at one end of the reciprocating mechanism. The tooth gap brush has the advantages that the micro motor is used as a power source and matched with the reciprocating mechanism, so that the tooth gap brush head can automatically move in a reciprocating mode, a user is helped to clean teeth, meanwhile, the micro water pump is additionally arranged, flushing cleaning can be carried out while the teeth are cleaned, and the tooth gap brush is convenient to use. According to the tooth gap brush, the overall cleaning efficiency is further guaranteed, the replaceable tooth gap brush head is adopted, the cleanliness of the tooth gap brush head can be kept, the cleanliness of equipment can also be guaranteed, a brush head protection sleeve is additionally arranged on the tooth gap brush head, and the gingiva of a user can be effectively prevented from being injured when the tooth gap brush is used.

The utility model relates to the technical field of camera equipment, in particular to a driver behavior recognition camera which comprises a fixing frame and a lens body, an adjusting mechanism and a dismounting mechanism are arranged on the outer side of the fixing frame, and the adjusting mechanism comprises a support, a rotating shaft, a key, a locking block, a gear ring, a through groove and a spring. The support is fixedly connected to the outer side of the fixing frame, the rotating shaft is rotationally connected with the support, the rotating shaft is of a hollow structure, the key is slidably connected to an inner cavity of the rotating shaft, according to the adjusting mechanism, the locking or unlocking state of the rotating shaft is controlled through the key, the rotating shaft in the unlocking state can be rotated to drive the lens body to rotate, and the lens body can be driven to rotate. According to the dismounting and mounting mechanism, the micro motor drives the two clamping pieces to move synchronously, the two clamping pieces in the moving state close to each other clamp and mount the lens body on an auxiliary part in a vehicle, and therefore the lens body can be dismounted and mounted conveniently.

The utility model discloses a kind of hair cutting high-speed hair driers, specifically related to the field of personal care appliances, including air cylinder, the air cylinder one end is connected with connecting cover, the connecting cover inner wall one side is connected with filter plate, the filter plate one side middle part is connected with cleaning mechanism, the cleaning mechanism includes connecting barrel, the filter plate one side middle part is connected with micro motor, the micro motor is located in connecting barrel inside, the micro motor output end extends to the one side of connecting barrel, the micro motor output end upper portion is connected with rotary plate, the micro motor output end is connected with cleaning plate away from rotary plate one end, the utility model reaches can automatically high-efficient cutting and cleaning suction hair to avoid air passage blockage and motor damage, and cleaning operation is convenient, air inlet is smooth, greatly improve the effect of use experience and equipment service life.

The utility model discloses a printing ink homogenizing device based on silk-screen printing, and particularly relates to the technical field of printing ink homogenizing devices, which comprises a base, a base for placing paper is fixedly arranged at the top of the base, a silk-screen printing plate is arranged at the top of the base, and the silk-screen printing plate is mounted on the base through a lifting mechanism. A scraping plate is arranged in the screen printing plate, a driving mechanism is arranged on the scraping plate, the driving mechanism comprises a long plate, a rotating rod is rotationally arranged in the long plate, the scraping plate is fixedly arranged on the rotating rod in a sleeving mode, and a micro motor is fixedly arranged at the rear end of the long plate. The screen printing plate is driven by the lifting mechanism to automatically ascend and descend, rapid material changing is facilitated, the printing efficiency is improved, the micro motor is used for driving the rotating rod to drive the scraper to rotate, the inclination angle of the scraper can be automatically adjusted, ink is homogenized through the inclined scraper, the ink is gradually spread in the direction of the inclined scraper, and the printing efficiency is improved. And ink can be uniformly distributed on the screen printing plate, so that the printing effect can be improved.

The utility model discloses a highly wear-resistant micro motor shaft structure, and relates to the technical field of motor shafts. The high-wear-resistance micro motor shaft structure comprises a motor shaft, a connecting shaft and a connecting column, four second arc-shaped plates are integrally formed on the front surface of the motor shaft, second through holes are formed in the four second arc-shaped plates, positioning holes are formed in the front surface of the motor shaft, and four mounting grooves are formed in the outer surface of the connecting column. And seventh through holes are formed in the inner walls of the four mounting grooves, the four seventh through holes communicate with one another, sixth through holes are formed in the front surfaces of the connecting columns, the sixth through holes penetrate out of the rear surfaces of the connecting columns, first fixing columns are inserted into the left and right corresponding seventh through holes, and second fixing columns are inserted into the left and right corresponding seventh through holes. By arranging the connecting column and the connecting shaft, the wear resistance of the micro motor shaft can be effectively improved, the micro motor shaft is effectively prevented from being damaged due to large wear after being used for a long time, and the service life of the micro motor shaft is greatly prolonged.

The invention relates to the technical field of electric energy meter wiring auxiliary equipment, and discloses a novel electric energy meter combined junction box, which comprises a junction box main body, guide raised lines arranged on the inner wall of the junction box main body and metal connecting pieces arranged between compression screws in a sliding manner, the metal connecting pieces are divided into a transverse metal connecting piece and a longitudinal metal connecting piece, and the transverse metal connecting piece and the longitudinal metal connecting piece are arranged at intervals in a staggered manner; by arranging the control mechanism and the driving mechanism, the manual and automatic dual control mode of the metal connecting piece is achieved, an operator can manually adjust the position of the metal connecting piece by rotating a button, and the metal connecting piece can be automatically controlled by rotating the button; the metal connecting piece can be automatically adjusted through a micro motor and a micro electric cylinder, operation is convenient and fast, applicability is high, and meanwhile through cooperation of multiple transmission modes such as gear transmission and bevel gear transmission, the precision and stability of metal connecting piece adjustment are improved.

The utility model relates to the technical field of measuring devices, in particular to a noise measuring device with a telescopic function, which comprises a fixed cylinder, a dustproof cloth bag is sleeved on the outer side of the fixed cylinder, an elastic rubber belt is fixedly connected on the outer side of the dustproof cloth bag, a pair of magnetic blocks is fixedly connected on the outer side of the elastic rubber belt, and the magnetic blocks are fixed on the fixed cylinder. A sliding rod is slidably connected to the side face of the inner wall of the fixing cylinder, a sliding rod is fixedly connected to one end of the sliding rod, and a telescopic assembly is arranged in the fixing cylinder. According to the noise meter, the micro motor, the winding roller, the traction rope, the sliding rod and the spring are arranged in a matched mode, automatic shrinkage of the noise meter body is achieved through take-up and pay-off of the winding roller, and through matched arrangement of the dustproof cloth bag, the magnetic block and the elastic rubber belt, when the noise meter body is shrunk to the position closest to the fixing cylinder, the noise meter body is prevented from falling off. The noise meter body is wrapped and protected through the dustproof cloth bag.