197results about How to "Realize the shock absorption function" patented technology

The invention discloses a track walking device having an independent damping function. The track walking device comprises a track frame, a driving wheel, a guide wheel, a plurality of supporting wheels and a track. The driving wheel is rotatably arranged on the track frame and is in transmission connection with the track, and the track is sleeved outside the driving wheel, the guide wheel and the plurality of supporting wheels. The guide wheel is rotatably arranged on the track frame, the plurality of supporting wheels are located below the track frame and are arranged at intervals along the front and back walking directions of the track walking device, and each supporting wheel is connected with the track frame through a supporting wheel shaft, an oscillating rod and an oscillating shaft. One ends of the oscillating rods are rotatably connected with the track frame through the oscillating shafts, and the other ends of the oscillating rods are rotatably connected with the supporting wheels through the supporting wheel shafts. The track walking device is further provided with a plurality of damping units, and each damping unit corresponds to one oscillating shaft. Accordingly, compared with the prior art, the track walking device has good damping performance and terrain self-adaption capability.

The invention relates to a monitoring device used for a smart pipe gallery and with a dust removal function. The monitoring device comprises a top plate, a damping mechanism, a connecting plate, a connecting pipe, a camera, a protective shell, a dust removal mechanism and two supporting rods, the dust removal mechanism comprises a dust removal assembly and two rotating assemblies, the dust removalassembly comprises a scraper and two connecting units, the damping mechanism comprises a damping assembly and two heat dissipation assemblies, the damping assembly comprises a fixing plate and two damping units, and each damping unit comprises a damping rod, a second spring and a sliding block. According to the monitoring device used for the smart pipe gallery and with the dust removal function,through the dust removal mechanism, the dust removal function of the protective shell is realized, and the phenomenon that because dust is adhered to the protective shell, the shooting effect of the camera is influenced is avoided; and through the damping mechanism, the damping function of the connecting plate is achieved, and thus shaking of the camera is reduced, and the phenomenon that becausethe shaking is too large, the normal work of the camera is affected is avoided.

The invention provides a precise casting coating stirrer which comprises a function mechanism, a fastening mechanism and a bearing base, wherein the bearing base is arranged at the lower end of the function mechanism; the fastening mechanism is mounted at the left end of the bearing base; the function mechanism is arranged above the fastening mechanism; the function mechanism comprises an annulargear, a hollow rotating shaft, a hollow stirring rod, an extension rod and a transmission gear; and the fastening mechanism comprises an arc-shaped rubber pad, an arc-shaped clamping plate, a spring,a shell and a bidirectional screw rod. Compared with the prior art, the precise casting coating stirrer has the beneficial effects that the length of a stirring rod can be adjusted, the application range can be widened, the stirring effect can be improved, a coating bucket can be tightly clamped, meanwhile a damping function can be achieved, the working stability can be improved, and the securitycan be improved.

The invention discloses an electric vehicle battery heat dissipation device, and belongs to the technical field of new energy vehicle battery. The electric vehicle battery heat dissipation device includes a box body; a snake-shaped groove is arranged on the inner wall of the bottom of the box body, a cooling pipe is arranged in the snake-shaped groove, a fixed seat is connected with the inner wallof the bottom of the box body, and four fixed grooves are formed in the bottom of the fixed seat; a heat dissipation plate and a heat conduction plate are connected in turn on the transverse inner side wall of the box body along the horizontal direction; the heat conduction plate is fixedly connected with the longitudinal outer side wall of the fixed seat; an electric telescopic rod and a uniformly distributed heat dissipation assembly are connected between the heat dissipation plate and the heat conduction plate, and shock absorbing assembly is connected between the heat dissipation plate and the inner wall of the box body. The structure is reasonable, and the heat dissipation efficiency is improved by combining water cooling with air cooling, and the air cooling and heat dissipation adjustable performance is realized at the same time, and rapid cooling is facilitated.

The invention relates to a switch with a good heat dissipation effect. The switch comprises a main body, a heat dissipation mechanism and four damping mechanisms; each damping mechanism comprises a connecting box, a connecting column, a connecting plate, a limiting assembly, an air bag, an air inlet pipe, an air outlet pipe and a plurality of first springs; the heat dissipation mechanism comprisesa rotating assembly, two filter screens and two cleaning assemblies. According to the switch with the good heat dissipation effect, the damping mechanism is arranged; the damping function of the mainbody is achieved, the situation that the equipment is damaged due to excessive shaking is avoided, the safety of the equipment is improved, the circulation speed of air inside and outside the main body is increased through the heat dissipation mechanism, the heat dissipation effect is improved, the situation that normal work of the equipment is affected due to too high temperature inside the mainbody is avoided, and the reliability of the equipment is improved.

This invention discloses an oscillating suspension system of crane, including a chassis of vehicle, front and rear suspensions. It is characterized that the front suspension includes a front suspension support fixed to the chassis. The front suspension support is rigidly connected with a front drive bridge. The rear suspension is articulated with the support via a pin shaft. The direction of the pin shaft is perpendicular to the direction of a wheel shaft. Two locking oil tanks are symmetrically mounted at two sides of the pin shaft and between the rear suspension and the chassis. A connecting conduit of a chamber with rod and a chamber without rod of the locking oil tank is provided with a control valve set controlled by an electric control system. The rear suspension is rigidly connected with a rear drive bridge. The oscillating suspension system of crane provided by this invention is characterized that it can be flexibly applied to the crane to work at different pavements and under different bearing changes and it has simple structure, strong bearing ability, convenient distribution and low manufacturing cost.

The invention relates to a traction / impact device (1), in particular for medium buffer couplings of track-guided vehicles, in particular rail vehicles. The traction / impact device (1) comprises a damper housing (4), which is connected or connectable to a car body of the vehicle, and a force transmission element (3) for transferring tensile or impact forces onto the damper housing (4) Force transmission element (3) is movable relative to the damper housing (4) both in the pulling direction (A) and in the pushing direction (B). Furthermore, a damping mechanism (2) is provided, which is at least partially accommodated in the damper housing (4) and is designed to dampen the movement of the force transmission element relative to the damper housing (4) during traction / impact force transmission.

The invention discloses a continuous dust removal device for a communication base station, which relates to the technical field of communication equipment. The device comprises a dust removal body, and a cavity is formed in the dust removal body and is divided into a filtering cavity and a cleaning cavity through a partition plate; an air inlet is formed in one side of the filter cavity, a filterscreen is rotationally arranged at a communicating opening in the upper ends of the filtering cavity and the cleaning cavity, an exhaust port is further formed in the dust removal body, the air inletand the exhaust port are formed in the upper portion and the lower portion of the filtering screen respectively, and the filtering screen is of a circular structure and is equally divided into two parts, a vibrating mechanism for driving the filtering screen part arranged at the communicating opening in the upper end of the cleaning cavity to vibrate up and down is arranged in the cleaning cavity,the middle of the filtering screen is fixedly mounted on a rotating shaft, the rotating shaft is rotationally mounted in the dust removal body, and an intermittent rotating mechanism for driving therotating shaft to drive the filtering screen to rotate is arranged in the dust removal body. Air is continuously filtered, and a filtering screen can be prevented from being manually and regularly cleaned.

The present invention provides a shock-absorbing device for shoes comprises a cross-linked foam having a body and at least one inner cavity formed in the body; and a housing containing the cross-linked foam. The shock-absorbing device of the present invention can easily be applied to soles of shoes having diverse sizes and shapes to effectively reduce an impact applied to a foot. Besides, the present invention can cut down a manufacturing cost greatly by simplifying a manufacturing process of the shock-absorbing device.

The invention relates to a Hall current sensor with a shock-absorbing function convenient for installation. The Hall current sensor with the shock-absorbing function convenient for installation comprises a mounting base, a main body, a support plate, a shock-absorbing mechanism, two fixing mechanisms and a plurality of pins; each fixing mechanism comprises a fixing component and a limiting component; the fixing component comprises a suction cup, a fixing box, a moving plate, a driving component and two first springs; the shock-absorbing mechanism comprises an air bag and two shock-absorbing components; and each shock-absorbing component comprises a connection box, a connecting tube, a piston and a second spring. According to the Hall current sensor with the shock-absorbing function convenient for installation, the function of installing the main body is realized through the fixing mechanisms, therefore, the convenience of installing the Hall current sensor is improved; and the functionof shock-absorbing to the main body is realized through the shock-absorbing mechanism.

The invention relates to an electro-hydraulic gyrator with a good heat dissipation effect and an adjusting function. The electro-hydraulic gyrator includes an oil storage tank, a motor, a gear pump, agear, a rack, an oil cylinder, a connection plate, two oil pipes and two pistons. Heat dissipation mechanisms each include a rotating shaft, two first bearings, two rotating assemblies and a plurality of paddles. An adjusting mechanism includes a supporting plate, an air bag, two adjusting assemblies and two inflatable assemblies. According to the electro-hydraulic gyrator with the good heat dissipation effect and the adjusting function, air flow around the oil pipes is accelerated through the heat dissipation mechanisms, heat of the oil pipes is taken away, the function of heat dissipation is realized, and the situation that normal work is affected due to overheating of the oil temperature is avoided; and the adjusting mechanism drives the connection plate to move upward, so that the rack is moved in the direction close to the gear, the gap is reduced, and the situation that the transmission effect is affected due to large gap caused by excessive wear is avoided.

The invention discloses a damping cushion block. The damping cushion block comprises a shell and an inner core. The shell is provided with a cavity and wraps the inner core through the cavity. The density of the shell is 1.0-1.3 g / cm<3>, and the density of the inner core is 0.3-0.4 g / cm<3>. The shell with the density is high in hardness and strength, and the inner core with the density is high in elasticity and softness. The damping cushion block makes contact with the outside through the shell and absorbs pressure generated when a user moves and performs buffering through the inner core, so that a damping effect is achieved. The strength of the shell is high, so that the damping cushion block can resist damage of most hard substances and is quite limited in damage to shoes even if being pierced by sharp substances such as nails, and as the shell and the inner core are both solid, the use and damping function of the shoes cannot be affected.

The invention provides a vehicle-mounted charger with a protection function. The charger comprises a protective shell and a charger main body installed in the protective shell. The middle position ofthe upper end of the protective shell is fixedly connected with an insulating guide rod for winding an electric wire on the charger main body; the upper end of the insulating guide rod is fixedly connected with a baffle used for limiting an electric wire. The annular outer side of the insulating guide rod is slidably connected with a movable disc used for extruding a wire, and the movable disc islocated on the upper side of the protective shell. A first spring is fixedly connected between the movable disc and the protective shell and is positioned on the annular outer side of the insulating guide rod; the right side of the upper end of the protective shell is fixedly connected with a storage box used for storing a plug on a wire. According to the design, the movable disc and the baffle extrude the wound electric wire through the first spring, the electric wire is tidied, the plug is protected through the storage box, safety is good, the electric wire can be carried along with a vehicle, and the electric vehicle can be conveniently charged at any time.

The invention discloses a stair climbing device. The device comprises a chassis, a running wheel, a stair climbing wheel, a push-pull mechanism with two ends respectively hinged at the chassis and theslewing frame and a driving mechanism, a first end of the chassis is hingedly provided with a slewing frame, a hinge shaft is horizontal and perpendicular to the moving direction of a stair climbingdevice body, the movable end of the driving mechanism is connected to the running wheel, the driving mechanism is in one-to-one correspondence with the running wheel, and the running wheel and the stair climbing wheel are driven by a drive mechanism; the running wheel is installed on the slewing frame, the stair climbing wheel is mounted on the chassis, or the running wheel and the stair climbingwheel are all mounted on the slewing frame, or the running wheel is mounted on the chassis, and the stair climbing wheel is mounted on the slewing frame; under the push-pull action of the push-pull mechanism, the slewing frame swings, and the alternate landing of the running wheel and the stair climbing wheel can be achieved; a rotating wheel is further included, and a rotating shaft of the rotating wheel is parallel to the hinge shaft of the slewing frame. The device has the advantages that the structure and the principle are simpler, and the movement is flexible and reliable.

The invention discloses a wheeled mobile robot. The robot comprises a frame, suspension support devices, annular wheel bodies, drive motors and gears. The inner annular wall of an annular wheel body is provided with an inner gear ring. The drive motors are placed on the suspension support devices. The gears are connected with the output ends of the drive motors. The suspension support devices are suspended at the inner ring of the annular wheel bodies, and the gears are meshed with the inner gear ring. The suspension support devices are installed on two side portions of the front and rear ends of the frame. The wheeled mobile robot possesses the bidirectional suspension function, and has the advantages of being high in operation efficiency, strong in obstacle crossing capability, and convenient to assemble, dissemble and maintain.

The invention discloses a crane swing suspension system, which comprises a vehicle chassis and front and rear suspensions, and is characterized in that the front suspension comprises a front suspension support fixed on the chassis, and the front suspension support It is rigidly connected with the front drive axle, and the rear suspension is hinged on the chassis through a pin shaft. The direction of the pin shaft is perpendicular to the direction of the wheel shaft. Two locking cylinders are symmetrically arranged on both sides of the pin shaft, and are installed on the rear suspension and the chassis Between the rod chamber and the rodless chamber of the locking cylinder, a control valve group controlled by an electronic control system is arranged on the connecting pipeline, and the rear suspension is rigidly connected with the rear drive axle. The crane swing suspension system of the present invention has the characteristics of being able to flexibly adapt to the load-bearing changes of the crane on different roads and industrial and mining environments, and has the characteristics of simple structure, strong bearing capacity, convenient layout, and low manufacturing cost.

The invention relates to polishing equipment with a shock absorption function and for a metal tool. The polishing equipment comprises a main body, a polishing disc, a handle, a driving motor, a protective cover, a shock absorption mechanism and two heat dissipation mechanisms, wherein the shock absorption mechanism comprises a moving plate, a telescopic frame, a slideway, two hinged blocks, two shock absorption blocks, two shock absorption assemblies and two auxiliary assemblies; and each heat dissipation mechanism comprises an air cylinder, a piston, a connecting rod, a connecting pipe, a hose, a first spring, a supporting shaft and a nozzle. The polishing equipment with the shock absorption function and for the metal tool has the advantages that through the heat dissipation mechanisms, the nozzles can blow air to the polishing disc, the air circulation speed around the polishing disc is accelerated, the heat dissipation function is realized, the polishing disc is prevented from beingdamaged due to overheating, the safety of the equipment is improved, the damping and buffering function of the equipment is realized through the shock absorption mechanism, the situation that the equipment cannot work normally due to excessive vibration is avoided, and thus the reliability of the equipment is improved.

The invention relates to a damping trundle, which is characterized by comprising an installation support which is connected with a car body or a box body, a sway stand which is hinged with the installation support and provided with a front supporting plate and a rear supporting plate, a wheel shaft which is installed between the front and the rear supporting plates of the sway stand, a trundle which is installed on the wheel shaft and a damping device which is installed between the tail part of the sway stand and the installation support, when the trundle collides an obstacle, the trundle and the front part of the sway stand collectively move upwards, and the sway stand can move downwards to the tail part by adopting the hinge part of the sway stand and the installation support as a supporting point and acts on the damping device so as to realize the damping function. The damping trundle is simple in structure and capable of realizing the damping function and greatly improving the service life of the trundle.

An electric vehicle shock absorber generating electric energy comprises a shock absorber unit and an electric generator unit. The shock absorber unit comprises a first shell (1) and a shock absorption rod (2). The upper portion of the shock absorption rod extends into the first shell. The electric vehicle shock absorber is characterized in that a rack (4) is arranged on the upper portion of the shock absorption rod; the electric generator unit comprises a second shell (5); an electric generator is arranged in the second shell; a rotating shaft (8) is fixedly sleeved with an electric generator rotor and is further fixedly sleeved with a gear (9); the gear is meshed with the rack; and the opening face of the first shell and the opening face of the second shell are attached and connected into a box body. The electric vehicle shock absorber is characterized in that the electric generator rotor can be driven to rotate within a certain angle when the rack moves up and down; and the electric generator rotor can be braked when magnetic force lines of the electric generator rotor cut a stator winding, and therefore the shock absorption function is achieved. According to the electric vehicle shock absorber, by means of electromagnetic force braking, no oil is used when the shock absorption function is achieved; and in addition, current generated by the electric generator can be used for charging a storage battery of an electric vehicle, and the running distance of the electric vehicle is increased.

The invention relates to a shock absorption and noise reduction device for a highway bridge. The shock absorption and noise reduction device comprises a pier, a placing platform, pavements and a shockabsorption device, wherein the upper end of the pier is provided with the placing platform, the pavements are bilaterally symmetrically placed at the left side and right side of the upper end face ofthe placing platform, the left and right end faces of the pavements are inclined slope surfaces, a groove is formed between the two pavements at the left end and right end of the placing platform, the groove is internally provided with the shock absorption device, the shock absorption device comprises a shock absorption surface, the upper end of the groove is provided with the shock absorption surface, the shock absorption surface is of a cambered surface structure, the shock absorption surface is made from a rubber material, the lower end of the inner portion of the shock absorption surfaceis provided with a steel plate, the upper end face of the shock absorption surface is provided with a circular groove, and the circular groove is internally provided with sound-absorbing sponge. The shock absorption and noise reduction device for the highway bridge has the advantages that the problems of vehicle jolting, noise increase and even traffic accidents which are caused by the fact that the steel plate pavement has no shock absorption and noise reduction effect when the bridge pavement is spliced are solved, the functions of shock absorption and noise reduction of the highway bridge can be achieved, the shock absorption effect is good, and the generated noise is small.

The invention discloses an oil well drilling damping device which comprises a work cylinder and a piston rod. The tail end of the piston rod is in threaded connection with a piston, the longitudinal section of the piston is in a T shape, two semicircular blocking plates are hinged to the tail end of the vertical portion of the piston, a plurality of upper leakage flow holes are formed in the horizontal portion of the piston, a plurality of lower leakage flow holes corresponding to the upper leakage flow holes are formed in the two blocking plates, the hole diameters of the upper leakage flow holes gradually increase from middle to two ends, and a coil assembly is arranged in the middle of the piston. When the oil well drilling damping device is used, the hole diameters of the leakage flow holes gradually increase from middle to two ends, a middle contraction opening of the leakage flow holes is achieved, and the grasp force, at the upper end and the lower end of the middle contraction opening, of magnetorheological fluid to the piston is enhanced. Meanwhile, the piston is started up and shut down in the work cylinder through quick conversion of external voltage. Due to the fact that no throttle valve with the variable throttle size is arranged in the oil well drilling damping device, the mechanical abrasion resistance of the oil well drilling damping device is greatly improved, and the service life of the oil well drilling damping device is prolonged.

The invention belongs to the technical field of shear walls, and particularly discloses a fabricated damping structure and a function-recoverable shear wall provided with the damping structure. The damping structure comprises an upper wall variable friction assembly and a lower wall variable friction assembly, the upper wall variable friction assembly and the lower wall variable friction assembly are provided with an upper wall corrugated plate and a lower wall corrugated plate correspondingly, and the wave curved surface of the upper wall corrugated plate is attached to the wave curved surface of the lower wall corrugated plate; an upper wall body and a lower wall body of the shear wall are detachably connected with an upper wall variable friction assembly and a lower wall variable friction assembly correspondingly, and prestressed tendons penetrate through the upper wall body and the lower wall body; when an earthquake occurs, earthquake energy is dissipated through the friction effect between the wave curved surfaces of the damping structure, and the damping function is achieved; after an earthquake, the shear wall is restored through the self-resetting function of the prestressed tendons, and restoration of the structure and the function of the shear wall is achieved by replacing the damping structure or replacing part of elements of the damping structure.

The invention relates to a suspension structure of a robot moving platform, in particular to a rocker-arm-type suspension mechanism fixedly connected with a travelling box body through three points. Asupporting balancing frame is formed by configuring an inner rocker arm and an outer rocker arm in a spaced mode, a pair of support legs (14) is clamped, and the upper ends of the supporting legs arefixed to an angle bisection gear shaft (12) with an angle bisection gear (11); a bearing plate (6) is arranged, the two ends of an configured electric push rod (4) are rotatably connected to the inner end of a damper (2), and a long groove is formed in a side plate of the bearing plate; the end of a push rod connector (5) extends into the long groove, and the outer end of the damper (2) is rotatably connected with the upper end of a damper connecting support (3); the bearing plate (6) extends downwards to form two guiding rods (7) and a guiding gear block (8), and the two sides of the guidinggear block (8) are two gear faces engaged with the angle bisection gear (11); a sleeved (9) is configured on a fixing block (10), and the bearing plate (6) vertically moves; and the center of a balance arm (19) is a hinging point of the travelling box body, and the two sides on a driving bridge shell are provided with two fixing points. By controlling a push rod body of the electric push rod (4)to extend or retract, the function that the gap between suspension and the ground is actively increased or decreased is achieved.

The invention discloses a safety door with an automatic locking function and a using method thereof. The safety door comprises a safety door body, a cat eye box and a safety door switch, wherein the cat eye box is fixedly installed on the outer wall of the upper side of the safety door body, the safety door switch is fixedly installed on the outer side wall of the safety door body, a reinforcing plate storage groove is fixedly formed in the inner side wall of the safety door body, and the inner side wall of the reinforcing plate storage groove is slidably connected with a reinforcing plate. According to the safety door with the automatic locking function and the using method thereof, through the cooperation of the reinforcing plate, a first air bag, a locking block storage box, a convex locking block, an ejector pin, a third air bag, a breakdown mechanism and a buckle mechanism, the door body damping function when no thief exists and the reinforcing protection function when the thief damages the door body are achieved; and in addition, the door body is reinforced, meanwhile, the convex locking block is pushed through the extrusion effect of the reinforcing plate on air in a first air bag storage groove, so that the third air bag is punctured, and the automatic standby locking function of the door body is achieved.

The invention belongs to the field of cigarette equipment and particularly relates to a rewinding machine for cigarette receiving and packaging paper. The rewinding machine comprises a first round rod, a second round rod, electric push rods, first springs, a blade, a second spring, a fixing device, a limiting plate, a sliding groove, first wheels and braking pads. The rear end of the second roundrod is connected with the front end of the first round rod so that the stretching and contacting function of a cutting device can be achieved through the design. The upper ends of the electric push rods are installed in third grooves so that the stabilizing and damping function of the rewinding machine for the cigarette receiving and packaging paper can be achieved through the design. The blade isinstalled at the lower end of a second vertical rod so that the limiting and fixing function can be achieved on the cigarette receiving and packaging paper through the design. The sliding groove is formed in the left end and the right end of a collecting box so that the function of collecting cutting waste paper of the cigarette receiving and packaging paper can be achieved through the design. The first wheels are installed in a lower base, and mute wheels are assembled at the lower end of the lower base. The rewinding machine is novel in structure, good in cutting effect, good in stabilizingand damping performance and strong in limiting and fixing performance.

The invention relates to harvesting equipment with high reliability. The harvesting equipment comprises a main body, a shock absorption mechanism, a vehicle plate, a harvesting device, a safety mechanism and four wheels, wherein the shock absorption mechanism comprises a connecting box, two auxiliary assemblies and a plurality of shock absorption assemblies, and each shock absorption assembly comprises an elastic rope and two shock absorption units; and each auxiliary assembly comprises a fixing box, a driving plate, a driving rod, a connecting plate, an air inlet pipe, an air outlet pipe, twomagnets and a plurality of connecting rods, the safety mechanism comprises a supporting plate, a supporting column, an air blowing assembly and a rotating assembly, the rotating assembly comprises afirst bearing, a rotating shaft, a scraping rod, a connecting disc, a connecting rope and a torsion spring, and the air blowing assembly comprises an air collecting box, a connecting pipe and two airblowing units. According to the harvesting equipment with the high reliability, the function of shock absorption is achieved through the shock absorption mechanism, the situation that the equipment isdamaged due to excessive vibration is avoided, stones on the ground can be cleared away through the safety mechanism, therefore the probability that the stones make contact with the harvesting deviceis reduced, and blades of the harvesting device are prevented from being damaged by the stones.

The invention discloses a shock absorbing device for a seat of a body-feeling balancing vehicle, which relates to the technical field of the balancing vehicle. The invention comprises a base, A surface of that base is fixedly connected with a first spring, one end of that first spring is fixedly connected with a circular block. Multiple first column bodies are fixedly connected on the circumferential side surface of the circular block.surfaces of the first cylinders are slidably connected with second cylinders, One surfaces of the second cylinders arefixedly connected with slide blocks, surfaces of the slide blocks are fixedly connected with second springs, one ends of the second springs is fixedly connected with the circular block, a surface of the base is provided with a plurality of guide rails, and surfaces of the guide rails is slidably connected with the slide blocks. Through the cooperation of an elastic plate and springs, the invention cannot only cushion the vibration generated in the longitudinal direction of the balancing car, but also reduces the vibration generated in the tranverse direction of the balancing vehicle, realizes the shock absorbing function in multipledirections, does not vibrate ,thereby improving the user experience.

The invention discloses a portable spectrophotometer, which comprises a body, wherein telescopic support legs are arranged on the bottom part of the body; auxiliary frames are arranged on side faces of the telescopic support legs; a base plate is arranged on the top parts of the telescopic support legs; a plurality of groups of shock absorption mechanisms are arranged on the top part of the base plate; a detection tank is arranged above an auxiliary plate; a lifting handle is arranged in the center of the top part of the detection tank; a display is arranged on the top part of the detection tank; a movably connected strap is arranged on side faces of the detection tank; a light source chamber is arranged on one side of the inner part of the detection tank; a heat insulation layer is arranged on the outer side of the light source chamber; a liquid inlet pipe, a return pipe and a liquid storage tank are arranged on the bottom part of the heat insulation layer; a cuvette chamber is arranged on the other side in the detection tank; a fixing frame is arranged on the bottom part of the cuvette chamber; an installation slot is formed in the fixing frame; a sample placement frame is arranged in the fixing frame in a matching way; an installation piece matched with the installation slot is arranged on the bottom part of the sample placement frame; an operation rod is arranged on one endof the sample placement frame. The device has the advantages of simple structure, convenience and rapidness in use, excellent balance capacity, good temperature control effect and long service life.

The invention discloses a sealed biological gene detection saliva retention box. The sealed biological gene detection saliva retention box comprises a retention box body, a foam holding frame, reagentbottles, a condenser and two fans, wherein the condenser is arranged at the center of the bottom of the retention box body; two fans are fixed at two sides of the condenser at the bottom of the retention box body; a heat conduction supporting plate is arranged on the inner side wall at the bottom of the retention box body; an bottom end of the heat conduction supporting plate is in contact with an output end of the condenser; the foam holding frame is arranged at the center of the top end of the heat conduction supporting plate; placing groove are formed in the foam containing frame at intervals; the reagent bottle is arranged in each placing groove; a sealing cover is arranged at the top of the retention box body; an elastic contact plate is fixed at the center of the bottom end of the sealing cover; and a single chip microcomputer is inlaid on the outer side wall of the retention box body. According to the sealed biological gene detection saliva retention box, the damage to saliva samples is avoided, the retention environment of the saliva samples is improved, and the effective life of the saliva retention box is prolonged.