35results about How to "Will not interfere" patented technology

The utility model discloses integrated perchlorate treatment equipment which comprises a water storage tank connected with a sewage discharge pipe, a lifting pump is arranged in the water storage tank, and an integral box shell is arranged at the output end of the lifting pump. The middle water tank, the quartz sand filter, the activated carbon filter, the ion exchanger, the pipeline mixer, the precision filter and the two-stage reverse osmosis structure are arranged in the integral box shell and are connected with the output end of the air flotation machine; the bottom end of the air flotation machine is connected with a sludge box through a guide pipe; a plate filter press is arranged at the output end of the sludge box; a plurality of medicament storage tanks are further arranged and are respectively connected with the reservoir, the air flotation machine, the ion exchanger and the pipeline mixer through output pipes. The device disclosed by the utility model is reasonable in structural arrangement, can avoid external interference, is beneficial to improving the overall safety performance, prolongs the service life of the overall structure, does not cause material waste, improves the sewage treatment efficiency, has few byproducts and reduces the treatment cost.

The present invention relates to a vacuum cleaner system, which may include: a vacuum cleaner including a dust tub and a suction part that guides external air containing dust to the inside of the dust tub; and a cleaner base station including a cover body provided with a coupling part to which the cleaner is coupled, a dust collection part that collects dust inside the dust tub, a flow path part that connects a dust passing hole formed in the coupling part and the dust collection part, and a dust suction module that sucks dust from the dust collection part through the flow path part. The dust suction module generates suction airflow so that dust in the dust barrel can be sucked into the dust collection part through the flow path part. The vacuum cleaner may include: a first cyclone part separating dust from air flowing in from the suction part; a second cyclone unit for separating dust from the air that has passed through the first cyclone unit; a storage member that divides the space inside the dust tub into a first dust storage part that stores the dust separated by the first cyclone part and a second dust storage part that stores the dust separated by the second cyclone part; and an opening and closing unit which moves along the length direction of the dust bucket and selectively opens and closes the second dust storage part according to whether the suction air flow is generated or not.

The unmanned aerial vehicle pose joint debugging system and debugging method relate to the unmanned aerial vehicle testing technical field. In order to solve the problem of how to realize multiple flight attitudes of the unmanned aerial vehicle without causing the unmanned aerial vehicle to explode. The present application comprises an unmanned aerial vehicle loading platform, a suspension platform, a pose detection mechanism and a control mechanism, the unmanned aerial vehicle is installed on the unmanned aerial vehicle loading platform and can move; the unmanned aerial vehicle loading platform is on the upper surface of the suspension platform and can be suspended above the suspension platform; the pose detection mechanism is used for acquiring position attitude data, flight path and flight speed of the unmanned aerial vehicle; the control mechanism can acquire the data acquired by the pose detection mechanism, and can control the suspension platform to always hold the unmanned aerial vehicle loading platform floating with the flight of the unmanned aerial vehicle.

This invention relates to the field of medical imaging, specifically to a magnetic induction tomography method for stroke based on magnetic nanoparticles, comprising the following steps: 1) a signal source outputs a reference voltage signal and an excitation voltage signal with the same frequency and phase; 2) obtaining the complex signal of each coil pair combination in the empty field state; 3) intravenously injecting a magnetic nanoparticle contrast agent into the stroke patient; 4) obtaining the complex signal of each coil pair combination in the object field state; 5) calculating the real part data of the imaging signal of each coil pair combination; 6) obtaining the sensitivity matrix data corresponding to the detection area in numerical simulation software; 7) obtaining the distribution image of magnetic nanoparticles in the patient's brain tissue using the conjugate gradient algorithm. This invention, through improvements to the principle, device, and method of magnetic induction tomography, achieves tracer static imaging of stroke, meets the need for rapid stroke detection, and greatly improves the success rate of patient treatment.

The utility model relates to medical image auxiliary device field discloses a head fixing cover for nuclear magnetic resonance examination. The fixing cover includes fixed base, head cover, head fixing assembly, buffer gasket and neck support pillow, is equipped with the sliding slot on the fixed base, and the neck support pillow bottom and sliding slot sliding cooperation, the head cover is connected with the fixed base through the pivot, and is equipped with the buckle, the head cover top sets up head fixing assembly, including thread sleeve, threaded column, handle and elastic pressure cap, and the buffer gasket is attached in the head cover inner wall. All structures are made of nonmetal, nonmagnetic material. The structure can realize multidirectional stable positioning to the head, has good adjustability and MRI compatibility, and is suitable for the fixed support of head in the process of nuclear magnetic resonance examination.

The utility model discloses an extraction module, which relates to the technical field of medical instruments and information intelligent equipment, and is characterized in that a first lifting substrate and a second lifting substrate are respectively connected with a magnetic bar unit and a magnetic bar sleeve loading unit, and the two lifting substrates are connected to the same vertical slide rail; the first substrate driving motor and the second substrate driving motor respectively drive the two lifting substrates to move, so that the magnetic bar unit can penetrate through the hollow part of the magnetic bar sleeve loading unit to be inserted into different positions in the connected magnetic bar sleeve. Therefore, the magnetic field around the magnetic bar sleeve is changed to meet different requirements of mixing and magnetic bead adsorption transfer in nucleic acid extraction operation. Besides, the vertical base plate can be driven by the transverse driving mechanism, and then the two connected lifting base plates are driven to synchronously and transversely move, so that transverse movement control of the two different functional units is simpler and more reliable.

The utility model discloses a metal sealing gasket double-sided detection device based on machine vision, which comprises a base, an overturning assembly for overturning a metal sealing gasket main body and a detection assembly for detecting the metal sealing gasket main body, and is characterized in that the overturning assembly comprises an arc-shaped clamping plate I, a rotating motor and a square plate; the square plate is fixed to the outer wall of the top of the base, the rotating motor is fixed to the outer wall of one side of the square plate, and the first arc-shaped clamping plate is connected to the output end of the rotating motor through a coupler. According to the utility model, the machine vision technology is integrated, the double-sided high-efficiency detection of the main body of the metal sealing gasket is realized, the visual camera is used for image acquisition and processing, and the defects on the gasket can be accurately identified and positioned by combining a preset image processing algorithm and a defect detection standard; automatic screening of the detected gaskets is achieved, and the detection efficiency and accuracy are effectively improved.

The application relates to a dust and noise control device and method suitable for municipal engineering construction, and relates to the technical field of municipal engineering construction. The control device comprises a protective cover used for covering a construction area, a dust suction mechanism and a noise reduction mechanism arranged on the protective cover. The dust suction mechanism comprises: a dust removal pipe and an air outlet pipe arranged on the protective cover; a dust removal assembly used for removing dust; and a fan in communication with the dust removal pipe, so that air and dust in the protective cover enter the dust removal pipe and are removed by the dust removal assembly. The noise reduction mechanism is arranged on the inner side wall of the protective cover and in the air outlet pipe and is used for removing noise. The protective cover can block dust and noise from escaping, so that the dust and noise are located in a closed space in the protective cover. When the fan is started, more dust can enter the dust removal assembly for removal. Meanwhile, air flow can also make noise move faster to be removed, so that the pollution caused by dust and noise to the environment can be reduced.

The utility model relates to the field of PCBs, in particular to a PCB short circuit defect testing device. Comprising a bottom plate, supporting rods, bolts, a supporting plate, positioning columns, a cover plate, a mounting plate and the like. The bottom plate is installed on the lower side of a testing area inside the PCB electrical performance testing machine, a plurality of supporting rods are fixed to the bottom plate through bolts, a supporting plate is fixed to the upper sides of the supporting rods on the bottom plate through bolts, a PCB is placed on the supporting plate, testing points are arranged on the PCB, positioning columns are arranged at the four corners of the upper side of the supporting plate, and probes and a plurality of ejector pins are arranged on the upper side of the supporting plate. The probes are connected with a PCB electrical performance testing machine through copper wires, and the probes are in contact with testing points on the PCB. According to the utility model, the resistance and inductance values of the PCB are measured in a four-wire resistance test and inductance test mode, the control threshold values of the resistance and inductance values of good products are screened as standard threshold values, and short circuit defects of different lines in the same network can be accurately intercepted.

The utility model discloses a coating baffle plate adjusting mechanism and coating equipment. The coating baffle plate adjusting mechanism comprises a coating baffle plate body, a connecting rod and a driving piece, the coating baffle body is fixedly connected with the connecting rod; the output end of the driving part extends into the vacuum coating cavity, is connected with the connecting rod and is used for controlling the connecting rod to rotate around the axis direction of the connecting rod; the other end of the driving part is exposed out of the vacuum coating cavity; and a magnetic fluid sealing structure is arranged in the middle of the outer wall of the driving part and is used for separating the vacuum coating cavity from the outside. Through the arrangement, the angle of the coating baffle plate body can be adjusted on the premise that the vacuum environment in a vacuum coating cavity is not damaged, so that a process test can be quickly carried out after the adjustment is completed, the time required by the whole adjustment process is shortened, and the coating speed is improved.

The present application relates to the technical field of die processing equipment, and particularly relates to an automatic die combining machine for die processing, which comprises a rack; a pair of upper sliding frames and lower sliding frames are symmetrically arranged on the rack; a vertical sliding frame is fixedly connected to the rack; the direction of the die is adjusted by the die seats on the two upper mounting seats and lower mounting seats, so that the die combining direction can be adjusted; when the die seats are in a vertical state, the die combining direction is horizontal die combining; when the die seats are in a horizontal state, the die combining direction of the dies on the lower mounting seat and the upper mounting seat is vertical die combining; when the die seats are in an inclined state, the die combining direction of the die on the lower mounting seat and the die on the upper mounting seat at the diagonal position is inclined die combining, so that the die combining direction can be arbitrarily adjusted; and when the die is combined in an inclined manner, one set of upper mounting seats and lower mounting seats at the diagonal position are pushed forward, so that interference between the other set of upper mounting seats and lower mounting seats is avoided.

The utility model belongs to the technical field of high-temperature pressure testing, and discloses a dynamic static pressure measuring device for high-temperature airflow, which is suitable for dynamic static pressure measurement of turbine inlets, turbine outlets and interstage wall surfaces. Comprising a cylindrical supporting rod, a pressure sensing hole, a dynamic pressure sensor, a pressure measuring channel, a water inlet channel, a water outlet channel, a partition plate, a cavity, a multifunctional positioning block, a fixing thread and a cable. The axis of the pressure sensing hole coincides with the axis of the supporting rod and communicates with the dynamic pressure sensor through the pressure measuring channel. The supporting rod is of a double-layer coaxial structure, the inner layer and the outer layer are divided by a vertically-arranged partition plate to form a water inlet channel and a water drainage channel, the sections of a water inlet and a water outlet are smoothly transited from a cashew nut shape to a round shape, and the flow area is constant. The lower end of the supporting rod is provided with a fixing thread and is matched with a multifunctional positioning block for positioning and fixing with the wall surface of the casing, thereby realizing dynamic static pressure measurement of the wall surface in a 2000K environment.

The utility model discloses a wafer levelness detection device used in a horizontal electroplating cavity, which is characterized in that detection assemblies are symmetrically arranged on the two sides of a wafer rotating platform, and a photoelectric sensor is used for replacing a traditional mechanical probe to detect wafer warping, so that warping detection of the whole peripheral edge of a wafer can be completed in a single rotating period, and the wafer levelness detection efficiency is greatly improved. The problem of a blind area of traditional single-point detection is avoided, the surface of the wafer can be prevented from being scratched or polluted, and the method is particularly suitable for a semiconductor electroplating process with an extremely high requirement on cleanliness; and the height of the detection assembly for fixing the sensor is adjustable, so that different wafer sizes or process parameters can be quickly adapted, the height of the detection assembly can be adjusted according to the height of the wafer on the wafer rotating platform, the position of the light path of the sensor is accurately calibrated, the ideal values of the light path and the edge of the wafer are ensured, and the conditions of detection sensitivity and false triggering prevention are considered.

The utility model relates to the technical field of water quality detection sampling, in particular to a fishpond water quality detection sampling bottle which comprises a supporting sleeve rod, a telescopic rod is installed in the supporting sleeve rod in a sliding mode, a plurality of limiting holes are formed in one side of the supporting sleeve rod at equal intervals, and an elastic limiting bolt is installed in the telescopic rod. A handheld plate is fixed to the top of the telescopic rod, a winding roller is rotationally installed between the two fixing frames, a lifting rope is wound around the outer side of the winding roller, a worm and a worm gear are rotationally installed in one fixing frame, a hand wheel is rotationally installed at the top of the fixing frame, and a closing assembly is installed at the top of the sampling bottle body. When the sampling bottle is used, water in different water layers cannot be injected into the sampling bottle main body to interfere with a sample, so that the accuracy of detection results of different water layers is improved, the water quality of a fishpond is accurately regulated and controlled, the occurrence of fish outbreak diseases is avoided, and the economic loss is avoided.

The utility model belongs to the technical field of lighting equipment, and provides bidirectional light-emitting lighting equipment which comprises a barrel, a power source, two light-emitting assemblies, a connecting arm and a control assembly, and a first connecting hole is formed in the side wall of the barrel; the power supply is mounted in the cylinder body; the two light-emitting assemblies are installed at the two ends of the flashlight body in a one-to-one correspondence mode. The connecting arm is provided with a mounting cavity, an adjusting hole communicated with the mounting cavity and a second connecting hole corresponding to the first connecting hole, the connecting arm is mounted on the barrel, and the first connecting hole is aligned with the second connecting hole; the control assembly is installed in the adjusting hole, and the control assembly is connected with the power source and the light-emitting assembly. The LED lamp is simple and compact in structure, capable of emitting light in two directions, good in heat dissipation effect and high in safety.

According to the stamping mechanism capable of turning over up and down, the jacking demolding assembly, the pressing mold and the turning assembly rotate synchronously, and therefore the continuity and stability of the whole stamping process are greatly improved. In the process that the overturning assembly drives the pressing mold to rotate, the relative positions of the jacking demolding assembly and the pressing mold are kept unchanged all the time, the accuracy of the positions of workpieces during switching of all stations is guaranteed, and reliable guarantee is provided for follow-up stamping and demolding operation. And efficient punching is conducted, specifically, the motor drives the overturning assembly to rotate, and then the pressing die reaches the designated position to conduct punching operation. The stamping process can be conveniently achieved through accurate control of the motor, the stamping speed, strength and other parameters can be adjusted according to different workpiece requirements, and the stability and consistency of stamping quality are guaranteed. Meanwhile, due to the arrangement of the overturning assembly, multi-station stamping can be achieved, and the production efficiency is improved.

The utility model provides a leaning and fixing device for handicapped people in an elevator car, which comprises a car mounting plate, a leaning pad is mounted at the inner corner of the car mounting plate, and a mounting piece penetrates through a mounting hole formed in the car mounting plate to fixedly mount the car mounting plate at the internal corner of the car; storage grooves are formed in the inner side of the lower portion of the lift car mounting plate in a mirror image mode, the folding seat plates are connected with the lift car mounting plate through hinges arranged at the storage grooves, and each folding seat plate is provided with a buckling groove. Two reinforcing supporting plates are rotationally mounted below the car mounting plate, and a limiting opening is formed in the inner side of the lower portion of the car mounting plate; the device is installed at the internal corner of the lift car, space is saved, interference is reduced, the arc-shaped face of the inner side leaning cushion is attached to the back, shaking discomfort is relieved, and safety is improved; the folding seat plate can be accommodated in the groove through hinges, and forms a leaning seat plate when being unfolded, so that the legs of the handicapped person are relaxed; and the lower reinforcing supporting plate lifts and supports when being unfolded, so that the bearing and stability are enhanced, and the use safety is guaranteed in all directions.

The application discloses a high-pressure spray cleaning device for a monkey farm, which adopts a spray cleaning unit provided with a support, a rotating disc, a spray hose, a tensioning wheel, an electric sprocket mechanism and a chain block type spray pipe connecting mechanism; the sprocket rotates clockwise, so that the water outlet of the spray hose can be inserted into different depths in a narrow interlayer, so that high-pressure spray cleaning can be performed on all positions of the floor under the monkey house; meanwhile, the spray hose is in a rigid state during the spray cleaning, so that the spray hose does not swing or bend during the high-pressure spray cleaning, the effective implementation of the high-pressure spray cleaning is ensured, and any position of the floor under the whole monkey house can be accurately covered; and the sprocket rotates counterclockwise, so that the chain block type spray pipe connecting mechanism is in a flexible state, the spray hose and the chain block type spray pipe connecting mechanism are all retracted and wound on the peripheral surface of the rotating disc, so that the spray cleaning unit can be moved along the monkey house corridor on a carrier without being blocked by the narrow environment of the monkey house corridor and the monkey house support.

The invention provides a miniaturized laser target processing device, method and system based on infrared peripheral scanning, and belongs to the technical field of photoelectric tracking. The device comprises a scanning turntable, and a composite detection module, a precise tracking module and a laser transmitter which are arranged on the scanning turntable. The composite detection module realizes large-range target search and clear imaging through circumferential scanning and image point stabilization, the precision tracking module performs high-precision optical tracking, and the laser transmitter transmits laser to a target after stable tracking of the precision tracking module. The system solves the problems of large size and high cost caused by the dependence of a large radar in a traditional laser anti-unmanned aerial vehicle system, and has the advantages of miniaturization, light weight, low cost and high deployment flexibility.

A sample analysis injection control method includes the following steps: Step 1: Determine whether sample tubes are stored in the placement positions corresponding to the sampling station and the mixing station: If a sample tube is placed in the placement position corresponding to the sampling station but not in the placement position corresponding to the mixing station, it is a single sampling mode; if sample tubes are placed in both the placement positions corresponding to the sampling station and the mixing station, it is a sampling-mixing coordinated mode; if no sample tube is placed in the placement position corresponding to the sampling station but is placed in the placement position corresponding to the mixing station, it is a single mixing mode; if no sample tube is placed in either the placement position corresponding to the sampling station or the placement position corresponding to the mixing station, sampling and mixing are not performed. By coordinating the control of sampling and mixing in different modes, interference between the sampling and mixing components can be avoided, and efficiency can be effectively improved.

The utility model discloses a kind of cabinet marking equipment, it is related to marking equipment technical field, including rack, smoke removing part, laser marking device and suction device. Smoke removing part is located on rack, is equipped with light hole and internal vacuum cavity, and the multiple suction holes of light hole inner wall are all communicated with vacuum cavity. Laser emitted by laser marking device can pass through light hole and act on cabinet, and suction device makes vacuum cavity form negative pressure, and smoke is inhaled into vacuum cavity by suction hole. The equipment can effectively suck and remove marking smoke, avoid harmful substances to accumulate in workshop, improve working environment, reduce the risk of illness of personnel, reduce the pollution to precision instrument;Meanwhile prevent corrosive component in smoke from eroding optical lens, guide rail and other key components of laser marking device, improve equipment operation precision and stability, prolong service life, reduce repair and replacement cost.

The application belongs to the technical field of chemical detection, and discloses a copper ion detection liquid, a method, a device, computer equipment and a storage medium.The copper ion detection liquid comprises: dilution special pure water, potassium chloride and isopropyl alcohol; and the parameters of the dilution special pure water are: conductivity < 10 mu s / cm, solid suspended substance < 5.0 mg / L and pH is 4.5-5.5.The application provides more suitable acidity, total ion strength and ion background for EDTA titration analysis of copper ion concentration by using dilution special pure water, potassium chloride and isopropyl alcohol, so that the stability and accuracy of copper ion detection can be improved.

This invention discloses an adaptive anti-lifting device based on negative stiffness compensation, comprising a friction pendulum seismic isolation bearing and a negative stiffness compensation component. The friction pendulum seismic isolation bearing includes a first base plate, a spherical cap, and a second base plate. The negative stiffness compensation component includes an upper structure connecting plate, a rigid-flexible assembly, negative stiffness compression springs, a ball joint, and cables. The rigid-flexible assembly includes multiple elastic plates and multiple rigid plates. A first groove is formed at the bottom of the rigid-flexible assembly, within which the ball joint and multiple negative stiffness compression springs are arranged. The upper end of the ball joint is fixedly connected to the bottom wall of the first groove, and the lower end of the ball joint extends into a second groove at the top of the first base plate, rotatably connecting the lower end of the ball joint to the first base plate. Multiple cables surround the rigid-flexible assembly. This invention enables dynamic and adaptive adjustment of the lift, effectively preventing overall structural lift without affecting its normal seismic isolation function, thus improving the safety and stability of the structure under extreme loads.

The application discloses a rotary digging cast-in-place pile drilling cleaning device and a cleaning method thereof, and belongs to the cast-in-place pile construction field. The rotary digging cast-in-place pile drilling cleaning device comprises a vertical guide pipe arranged in a cast-in-place pile. The guide pipe comprises a detachably connected upper half pipe and a lower half pipe. The guide pipe is used for extracting mud and stones in the cast-in-place pile. The lower half pipe of the guide pipe is provided with a crushing assembly and a flattening assembly, and the crushing assembly and the flattening assembly are arranged in cooperation. The crushing assembly comprises a rotating sleeve movably sleeved on the guide pipe. An upper opening of the rotating sleeve is rotatably connected with a movable plate body through a bearing. A first servo motor is fixed to an upper surface of the movable plate body. The first servo motor is connected with a driving gear through a transmission shaft. The driving gear is horizontally engaged with a transmission gear. The driving gear and the transmission gear are arranged on a lower surface of the movable plate body. The application solves the problems that the cleaning device is easy to be blocked when there are large stones in the drilling hole, the bottom of the drilling hole is uneven due to mud water, the geology is loose, and the bearing capacity of the hole bottom is affected.

The invention discloses a server load balancing method and system for molecular oil refining simulation. The method comprises the following steps: according to a pre-stored historical oil refining simulation calculation record, the number of molecules participating in reaction carried by the demand, the number of reaction rules and the type parameter data of a reaction device, calculating to obtain the estimated operation time of the calculation demand of oil refining simulation on each calculation server; checking the current service state of each computing server, and obtaining the estimated waiting time of the currently running task and the queued task of each computing server; calculating the sum of the estimated running time and the estimated waiting time to obtain the estimated total calculation time of each calculation server; and judging, and distributing the calculation demand of the oil refining simulation of the client to the calculation server with the minimum estimated calculation total time to carry out molecular oil refining simulation calculation. The system comprises a registration center and a plurality of computing servers. According to the method and system, computing power resources are effectively utilized, and computing time is saved.

The utility model discloses a kind of remote control split type non-magnetic ultraviolet disinfection lamp special for nuclear magnetic resonance room, including split type lamp body, split type power supply and control module and timing remote controller;Split type lamp body includes the lamp holder made of non-magnetic material, the ultraviolet lamp tube and electronic ballast formed by the transparent plastic encapsulation of non-magnetic;Lamp holder can be fixed on the wall or ceiling of nuclear magnetic resonance room, lamp tube is detachably connected on lamp holder;Electronic ballast is connected using insulating plastic copper wire between lamp tube, and electronic ballast is installed in the independent power distribution control box in nuclear magnetic resonance machine room;Split type power supply and control module are installed in the independent power distribution control box in nuclear magnetic resonance machine room, including power supply, master switch and timing controller;Timing remote controller is installed in control room, for sending timing signal to timing controller remotely. Made of non-magnetic material, it can be safely used in nuclear magnetic resonance room, and will not cause interference to nuclear magnetic resonance equipment.

The utility model relates to the technical field of automotive interior, and disclose a kind of automobile interior panel covering wrinkle compensation structure, including the first interior panel body being installed in the interior of automobile, and the first contact surface is equipped in the front of first interior panel body;First contact surface side is provided with placing groove, and placing groove is used to accommodate the wrinkle of excess covering material;First interior panel body back is integrally formed with first connecting rib, by being provided with placing groove, excess covering material wrinkle produced in covering process can be accommodated and hidden, directly avoid the wrinkle in the surface of first interior panel body protrusion or show, to effectively ensure the flatness and overall aesthetic degree of first interior panel body surface, the setting of first connecting rib, the structural strength of first contact surface is strengthened specifically, avoid the problem of local strength weakening possibly caused by setting placing groove, while first connecting rib enhances structural strength, will not interfere with the core function of placing groove accommodating and hiding wrinkle.

This invention provides a signal conversion circuit. The input and output terminals of the voltage adjustment circuit are respectively coupled to the power supply voltage and the output terminal of the signal conversion circuit. The control circuit provides a control signal to the control terminal of the voltage adjustment circuit, and controls the signal level change of the control signal corresponding to the input data signal to switch between a first control voltage level and a second control voltage level, or determines whether to provide a default voltage to the output terminal of the voltage adjustment circuit based on the input data signal, so as to convert the input data signal into a data power supply signal.

This utility model provides a drop-proof mobile phone back cover, relating to the field of shell structure technology. It includes a back panel and a frame, the back panel and frame being integrally formed from composite materials to create the back cover. The frame has diagonal braces at its four corners, and an inner frame is located between these braces on the inner side of the frame. Several connecting parts are provided between the inner frame and the frame, dividing the shock-absorbing cavity formed between the inner frame and the frame into individual spaces. Each individual space contains a shock-absorbing pad. The diagonal braces at the four corners of the frame form buffer grooves with the frame, housing the built-in buffer pads. These absorb and disperse the impact force during a drop. The metal material does not interfere with signals and has higher strength. Together, they effectively reduce direct impact on the internal components of the mobile phone. Multiple independent shock-absorbing cavities are formed by the connecting parts between the inner frame and the frame, each containing a shock-absorbing pad, forming a single shock-absorbing system to further buffer vibrations and protect the internal structure.