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49results about How to "Observation does not affect" patented technology

Dustproof 360 degree holographic projection cabinet

The invention discloses a dustproof 360 degree holographic projection cabinet in the holographic projection equipment field. The dustproof 270 degree holographic projection cabinet comprises a cabinet body, a projector, and an imaging glass housing. The cabinet body comprises a bottom plate, a pedestal and a working platform. The pedestal is installed in the middle of the bottom plate; the pedestal is internally provided with a controller; the working platform is fixed on the top end of the pedestal; the imaging glass housing is an inverted pyramid-shaped glass housing; the bottom end of the imaging glass housing is fixed in the middle of the working platform; the upper end of the working platform is provided with four rectangle-shaped grooves corresponding to the side walls of the glass housing; each groove is internally provided with a projector; the side of each groove which is closed to the imaging housing is provided with a cross flow fan which is in signal connection with the controller. Through the arrangement of the cross flow fan, the dustproof 360 degree holographic projection cabinet can effectively perform cleaning on the surface of the imaging housing, enables the imaging housing to keep clean for long time, enables the 360 degree holographic projection imaging to be clear and real, has a good effect of displaying the object and provides convenience to the usage of the 360 degree holographic projector.
Owner:重庆触视科技有限公司

Method for displaying and treating Cr12 type martensitic heat-resistant steel primary austenite grain boundary

The invention relates to the technical field of metallographic phase preparation, and in particular relates to a method for displaying and treating Cr12 type martensitic heat-resistant steel primary austenite grain boundary by high-temperature oxidation and room temperature erosion. The method comprises four steps of preparing a polished sample, carrying out heat treatment, finely grinding and polishing, and etching. The method concretely comprises the steps of: firstly, preparing the sample, and grinding one of the planes of the sample to be smooth; then, putting the sample into a heating furnace, carrying out heat preservation under the condition of the temperature and time parameters to be researched, and quenching after heat preservation; carrying out water milling on the sample, keeping a certain angle between the polished surface and abrasive paper during water milling, guaranteeing that the surface of the sample is provided with a matrix-oxidation zone transition area, polishing, etching by an erosion reagent, cleaning by alcohol and then blowing the product to be dry; and observing the clear primary austenite grain boundary under a microscope. According to the technical scheme of the method, the implementation is simple and convenient; and after the technical scheme is implemented, the material primary austenite grain boundary is not influenced by a matrix metallographic structure simultaneously when being clearly and integrally displayed.
Owner:UNIV OF SCI & TECH BEIJING +1

Shadowless lamp for surgical operation

InactiveCN108071980AAdjust the height at willAdjust the orientation at willLighting support devicesElectric circuit arrangementsSurgical operationAgricultural engineering
The invention discloses a shadowless lamp for a surgical operation. The shadowless lamp for the surgical operation comprises a fixing seat, a main shaft, a connection arm, a lower rotating sleeve, a second connection rod, a second steering shaft and a lampshade. The main shaft is mounted below the fixing seat, an upper rotating sleeve is mounted on the surface of the main shaft, the connection armis mounted on the right side of the upper rotating sleeve, the connection arm is connected with a fixing frame through a rotating shaft, and a displayer is mounted in the fixing frame. The lower rotating sleeve is mounted on the surface of the main shaft, a first connection rod is mounted on the left side of the lower rotating sleeve, the first connection rod is connected with the second connection rod through a first steering shaft, the second connection rod is connected with the second steering shaft through a third connection rod, a high-definition camera is mounted below the second steering shaft, and the second connection rod is connected with the lampshade through a mounting frame. According to the shadowless lamp for the surgical operation, by mounting the high-definition camera and the display, the display can be utilized to conduct auxiliary observation in the using process, the situation that eyes cannot observe carefully is avoided, and thus the operation can be conducted more conveniently.
Owner:镇江东城医疗器械有限公司

Fluorescently-labeled porcine reproductive and respiratory syndrome virus and building method and application thereof

The invention provides a fluorescently-labeled porcine reproductive and respiratory syndrome virus and a building method and application thereof and belongs to the technical field of gene engineering. The building method is characterized in that a fluorescence labeling expression box with a fluorescence labeling gene is connected to a connection site on an infectious clone plasmid to obtain the visual fluorescently-labeled porcine reproductive and respiratory syndrome virus, and the connection site is located between the downstream of an N protein gene sequence and the upstream of a 3' end noncoding sequence. The building method is low in operation difficulty, high in operability and capable of acquiring the fluorescently-labeled porcine reproductive and respiratory syndrome virus capable of stably expressing fluorescent protein and provides a powerful tool for further carrying out novel virus vaccine development and basic researches related to the porcine reproductive and respiratory syndrome virus.
Owner:陕西嘉海和正生物技术有限公司

Method for preventing TEM (Transmission Electron Microscope) chip sample from being cracked

The invention provides a method for preventing a TEM (Transmission Electron Microscope) chip sample from being cracked. A displacement layer of a material needing to be replaced in a non-observation region of a sample is exposed; the displacement layer is prepared from a conductive material and an insulating material; the conductive material or the insulating material in the displacement layer is removed so that a groove is formed in the displacement layer; the groove is internally filled with a first material; when the first material and an un-removed material are cut by a focusing ion beam, the speeds are the same. The chip prepared by the method can be sequentially used for an existing flow of preparing the TEM sample; in the same displacement layer, the speeds are consistent when all the materials are cut through the focusing ion beam, and a curtain effect is avoided; the method is operated in the non-observation region, influences on an observation region are relatively small, so that the sample preparation success rate is improved and the observation of the sample is not influenced.
Owner:SHANGHAI HUALI MICROELECTRONICS CORP

an anoscope

The invention discloses an anoscope, and belongs to the technical field of medical instruments. The anoscope comprises an anoscope tube, a conical anoscope core which can be arranged in the anoscope tube in a sleeved mode, an observation tube which can be arranged in the anoscope tube in a sleeved mode and rotate in the anoscope tube and a light source; the anoscope tube comprises a first segment shaped like a trumpet opening and a second cylindrical segment which is connected to the rear end of the first segment, and the first segment of the anoscope tube is provided with a handle; the observation tube is of a conical tube structure of which the side wall is provided with a longitudinal strip-shaped opening, the cross section of the observation tube is in a C shape, a conical tip structure is arranged at the rear end of the observation tube, at least one optical fiber is embedded into the inner wall of the observation tube, and the tail ends of the optical fibers are connected with the light source arranged outside the anoscope. According to the anoscope, the structure is simple, use is convenient, and by using the observation tube matched with the anoscope tube and embedding the illumination optical fibers into the inner wall of the observation tube, enough illumination can be conveniently provided for a doctor when the doctor observes a patient.
Owner:山东美迪宇能医疗科技有限公司

Efficient 3D printing consumable drawing device

The invention discloses an efficient 3D printing consumable drawing device. The efficient 3D printing consumable drawing device comprises an extruding machine, a paraffin removing tank, a water cooling tank, a shell and a paraffin applying bucket; a supporting plate is arranged at one end of the top of the water cooling tank, and the shell is welded to the top of the supporting plate; the paraffinremoving tank is connected to one side of the water cooling tank; and a fixing plate is welded between the paraffin removing tank and the water cooling tank, a first water pump is fixed to the top ofthe fixing plate, and a water inlet pipe is connected to the input end of the first water pump. According to the efficient 3D printing consumable drawing device, scraper blades matched with first guiding wheels are welded to the two sides of the interior of the shell in an oblique downward mode, a collecting tank is arranged under the scraper blades, a heating water chamber is arranged in the side wall of the shell, therefore, excess liquid paraffin remaining on the outer surfaces of extruded wires on the first guiding wheels can be conveniently scraped by the scraper blades, the scraped excess liquid paraffin is guided into the collecting tank to be cyclically utilized through the flow guiding property of the oblique scraper blades, and the internal temperature of the shell can be kept at a certain temperature through the heating water chamber, so that the paraffin keeps the liquid state.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE

Corneal contact lens and intraocular illumination system

The invention discloses a corneal contact lens and an intraocular illumination system. The corneal contact lens comprises a corneal contact lens body, a flexible circuit board, a wireless electric energy receiving circuit and a light-emitting element. The flexible circuit board, the wireless electric energy receiving circuit and the light-emitting element are deployed in a designated area in the corneal contact lens body. The wireless electric energy receiving circuit and the light-emitting element are integrated on the flexible circuit board. The wireless electric energy receiving circuit iselectrically connected with the light-emitting element to supply power for the light-emitting element. The corneal contact lens can be directly worn on the eyes of a patient, and the light emitted bythe light-emitting element after electrification directly penetrates into pupils to be diffused to the parts needing lighting of eye grounds. The soft corneal contact lens body completely wraps the light-emitting element, the biocompatibility and wearable property of the corneal contact lens are verified, the corneal contact lens does not bring any additional eye hurt to the patient while the demand of lighting the eye grounds of the patient is met, and is safe and practical.
Owner:杨铭轲

Test device for simulating splash zone

The invention relates to the technical field of corrosion and protection of materials and particularly relates to a test device for simulating a splash zone. The test device includes a box body which is provided with a solution circulating system. A splash generating device, which is wrapped by a water-absorbing material wrapping layer, is disposed in the middle of the box body. A corrosion sample rack, a ventilating device, a temperature detecting and controlling element are disposed around the splash generating device. The splash generating device is respectively connected to the solution circulating system and a power device which is connected to a controlling system in which program controlling is contained. By means of the test device, a splash solution particle can be generated and a splash environment can be simulated. Splash efficiency, splash speed and splash form can be accurately controlled so that an excellent correspondence is achieved between a simulation result of a corrosion experiment and a site corrosion result in the splash zone is achieved, thereby increasing experimental efficiency, saving labor intensity and resources and reducing an experimental cost. Meanwhile, experimental data is convenient to be collected so that integrity of the experimental data and reliability of the experimental result are ensured.
Owner:HOHAI UNIV

Device for conveying and automatically arranging recycled batteries

The invention discloses a device for conveying and automatically arranging recycled batteries, which relates to the technical field of battery recovery equipment and comprises a conveying track 13 andan orientation adjusting device, wherein the conveying track 13 leads to the orientation adjusting device, and the orientation adjusting device comprises an image sensor 11, a rotating motor 10, a circular rotating top cover 8 and a circular sleeve base 1. The top surface of the circular rotating top cover 8 is connected with a driving shaft of the rotating motor 10; a vertically crossed cross groove 9 is formed in the bottom surface of the circular rotating top cover 8; the circular rotating top cover 8 is sleeved in the circular sleeve base 1; a battery inlet 2 is formed in one side, facingthe conveying track 13, of the side wall of the circular sleeve base 1; an observation opening 3 is formed in the other side, opposite to the battery inlet 2, of the side wall of the circular sleevebase 1 and right faces the image sensor 11; and a front pressure sensor 4 and a rear pressure sensor 5 are arranged on the upper surface of the bottom of the circular sleeve base 1.
Owner:张掖征峰科技有限公司

Fungal detection kit and application thereof

The invention discloses a fungal detection kit comprising a fluorescent brightener, a living cell stain, a fixative, glycerin and NaCl. The fungal detection kit is used for detecting fungi in body fluids; for detecting candida and filamentous bacteria; for detecting leucorrhea and for assisting detection of infectious diseases in the lungs, urinary system and chest and abdomen. The fluorescent brightener dye is used to specifically stain chitin and cellulose of a cell wall of leucorrhea, and the morphology of mold spores and hyphae can be clearly observed under a fluorescence microscope, whileepithelial cells or blood cells from a patient are not pigmented; on the other hand, nucleus staining is performed by the living cell stain, and it is confirmed that the morphology is a cell morphology, thereby rapidly achieving efficient identification of the mold.
Owner:PEKING UNIV

Grinding positioning intelligent robot for laser cutting equipment

The invention discloses a grinding and positioning intelligent robot for laser cutting equipment. The upper surface of the base is provided with a first electric telescopic rod, the input end of the first electric telescopic rod is electrically connected with the output end of the PLC controller, the telescopic end of the first electric telescopic rod is provided with a placement plate, and the placement The upper surface of the plate is provided with an arc-shaped groove. The present invention can drive the placing plate up and down through the first electric telescopic rod, thereby adjusting the height of the object. The placing plate is used to place the objects that need to be polished. The upper surface of the placing plate is provided with an arc-shaped groove, which is convenient for placing objects. Balls are provided, which can reduce frictional force when moving objects, make the movement more convenient, reduce wear and tear at the same time, protect the objects and devices, and prolong the service life of the devices.
Owner:吴华均

Building model display tool

The invention provides a building model display tool. The building model display tool comprises a base plate; a shell structure which comprises a first motor cover, a turntable, a second motor cover,a cylinder cover, a first motor, a second motor and a screw rod; a sliding structure which comprises a sliding groove, an inner sliding groove and a deceleration strip; a display structure which comprises a gear, a large arm, a middle arm, a small arm, a guide rail, a display plate, a support column and a roller; a lifting structure which comprises a lifting ring and a sliding block; and a transmission structure which comprises a transmission rod, a first helical gear and a second helical gear. The building model display tool provided by the invention has the advantages of saving space and being convenient for customers to watch.
Owner:中域(杭州)建筑设计咨询有限公司

Observation device used on fire observation opening of furnace hearth

The invention discloses an observation device used on a fire observation opening of a furnace hearth. The observation device comprises an observation sleeve which can be fixedly connected with the fire observation opening of the furnace hearth; an observation plate which is made of a transparent material is mounted at the outer end of the observation sleeve in a sealing manner; the combustion situations in the furnace hearth can be observed from the fire observation opening through the observation plate; the observation sleeve is connected with a cooling pipeline; the cooling pipeline is communicated with a cooling gas source. The observation device used on the fire observation opening of the furnace hearth has the advantages that the cooling gas in the observation sleeve forms a transparent heat insulation section, so that the temperature of the observation plate is reduced, and the observation of the combustion situations in the furnace hearth by working personnel cannot be influenced; therefore, the working personnel can observe for a longer time, and the safety is greatly improved.
Owner:ZHANGJIAGANG GREENS SHAZHOU BOILER

Visual grouting test system with controllable viscosity and solidification characteristics

The invention discloses a visual grouting test system with controllable viscosity and solidification characteristics. The test system comprises a grouting test system, a visual observation system, a temperature control pressurization system, a heat insulation system and a collection system. The test system can control the solidification state of the grouting slurry by adjusting the slurry temperature through the temperature control pressurization system according to the actual situation, and meanwhile, the visual model of the grouting system is used for monitoring the specific solidification condition of the slurry along with the temperature change after the slurry is injected into the rock fracture. The solidification process of the slurry injected into the simulated rock fracture along with the change of the temperature can be directly observed through the test in combination with a visualization technology. The test system is simple in structure, convenient to operate and easy to observe and control, and has important practical significance for improving the impermeability of rock fracture grouting in engineering practice, improving the integrity of rock soil and the integrity of a structure and improving the bearing capacity and the sealing performance of a rock mass.
Owner:SHAOXING UNIVERSITY

Arc test device

The invention relates to an arc test device. The arc test device includes a closed chamber, the closed chamber is internally provided with a static arc contact, a moving arc contact and a nozzle moving together with the moving arc contact, the nozzle is a transparent nozzle, and a first transparent observation window used for observation an arc generated between the static arc contact and the moving arc contact is arranged in a position corresponding to the static arc contact and the moving arc contact on a housing of the closed chamber. The transparent nozzle does not shelter the arc, and does not influence observation of the shape of the arc, and a complete arc shape can be observed through the first transparent observation window.
Owner:PINGGAO GRP +1

Device and method for preventing glare during vehicle crossing

The invention discloses a device and a method for preventing glare during vehicle crossing. The device comprises a glareshield mounted before the eyes of a driver, wherein the glareshield is an electronic screen with more than 80 percent transparency; a shadowing area with indicated coordinates is arranged in the glareshield; the glareshield is connected with a processor unit; and the processor unit is connected with a plurality of detectors arranged on a vehicle. The invention further discloses the method preventing glare during vehicle crossing. According to the method, the detectors capable of detecting the orientation and the luminous intensity of high beams of far away vehicles are mounted on the vehicle, the glareshield is arranged before the eyes of the driver, and the glareshield is adjusted automatically to shadow in a corresponding area according to the lamplight strength of approaching vehicles but not completely shield, wherein the permeated light is suitable for the driver to observe with eyes. The invention has he advantages that regional dynamic shadowing can be realized; impact of glare on the eyes of the driver can be avoided conveniently and effectively; and the driver can clearly observe conditions before the vehicle.
Owner:王普

Rodent space learning memory training system

The invention discloses a rodent space learning memory training system which comprises a top cover, a maze unit component, a base, data acquisition devices and gas circulating systems, wherein the topcover, the maze unit component and the base are sequentially arranged from top to bottom, and the data acquisition devices are arranged at the tops of maze units. An exhaust fan is arranged on the top cover, and a collection groove is formed in the bottom of the maze unit component. The technical scheme includes that the maze unit component comprises more than two maze units, each maze unit comprises more than six arc-shaped units and baffle plate units, the arc-shaped units are uniformly distributed along a circumferential direction, each baffle plate unit is arranged between two adjacent arc-shaped units, and the maze units are communicated with odor systems or ventilation systems through the gas circulating systems. The training system has the advantages that the system is simple and compact in structure, convenient and rapid to use, high in training efficiency and attractive in appearance, maintenance is facilitated and the like.
Owner:SHENYANG MEDICAL COLLEGE

Liquid storage tank material level indicating device with signal long-distance transmission as well as design method and liquid level calculating method of device

The invention relates to a liquid storage tank material level indicating device with signal long-distance transmission as well as a design method and material level calculating method of the indicating device, and belongs to the field of liquid material level detection. The indicating device lies in that a soft rope A is connected with a floater and a driving pulley of a double-wheel pulley; a soft rope B is connected with a driven pulley of the double-wheel pulley and a counterbalance weight body, and the middle of the soft rope B is connected onto a fixed pulley in a bridging manner; the driving pulley and the driven pulley of the double-wheel pulley are all fixed on the same pulley spindle; the pulley spindle is mounted on two bearings; one end of the pulley spindle is connected with a potentiometer shaft sleeve through a shaft coupling tube; the potentiometer shaft sleeve is connected with a potentiometer; the shaft coupling tube is in movable connection with the potentiometer shaft sleeve; the middle of a soft rope C is hung on a reversing fixed pulley, and the two ends of the soft rope C are respectively connected with the counterbalance weight body and an indicating light bar; the indicating light bar can move up and down along a scaleplate; the power source of the indicating light bar is controlled by an optoelectronic switch and the indicating light bar is supplied with power through a flexible circuit conductor. According to the liquid storage tank material level indicating device with signal long-distance transmission as well as the design method and material level calculating method of the indicating device, provided by the invention, liquid level of liquid in a liquid storage tank can be observed directly without needing labors to climb up the liquid storage tank, liquid level observation is not influenced by power failure, and a resistive signal which has a linear relationship with the liquid level is provided.
Owner:KUNMING UNIV OF SCI & TECH

Numerically-controlled machine tool isolation door with cleaning device

The invention discloses a numerically-controlled machine tool isolation door with a cleaning device and belongs to the technical field of numerically-controlled machine tools. The numerically-controlled machine tool isolation door comprises a machine tool main body. An isolation door body is connected to the front surface of the machine tool main body. An observation window is mounted on the frontsurface of the isolation door body. An electric motor is fixedly arranged at the position, located at the bottom of the observation window, of the inner surface of the isolation door body. A transmission rod is connected to one side of the electric motor. A first rotary piece and a second rotary piece are connected to one end of the transmission rod. A dust scraper connecting arm is connected toone end of the first rotary piece and one end of the second rotary piece. A dust scraper is fixedly arranged at one end of the dust scraper connecting arm. A silica gel vibration reduction strip is arranged at one side of the isolation door body. A limiting groove is formed in the surface of one side of the isolation door body. Limiting protrusions are arranged at one end of the silica gel vibration reduction strip, and the silica gel vibration reduction strip and the limiting protrusions are of an integrated structure. By means of the numerically-controlled machine tool isolation door, stainsat the inner side of the observation window can be scraped off by starting the dust scraper, and people can observe the workpiece machining condition inside a machine tool conveniently.
Owner:湖北格勃克机电有限公司

A hurdle device for track and field hurdle training and its use method

ActiveCN111888785BImprove securityAvoid tripping and fallingRace-coursesRidingSimulationMechanical engineering
The invention discloses a hurdle device for track and field hurdle training and its use method, which belongs to the field of track and field equipment. The bag can cushion the contact impact of the trainer during training, and at the same time use the impact force to trigger the expansion of the stacked magnetic plate on the other side of the trigger air bag, so that the sinking top ball can be forced to sink to the corresponding height by using the magnetic attraction effect , the sinking top ball drives the self-avoidance to let the hurdle bar deform and compress when it sinks, so as to effectively avoid the trainer and avoid the trainer from being tripped and injured during the hurdle process. At the same time, the trigger ball will spray a small amount of display The powder is used to remind the trainer of the contact parts during training just now, so that the trainer can make targeted adjustments in posture or height, thereby assisting in improving the effect of hurdle training, and can effectively protect the trainer and improve the training process of hurdle training. security.
Owner:JILIN NORMAL UNIV

Safety protection mechanism of large tubular coal dust explosiveness identification instrument

The invention discloses a safety protection mechanism of a large tubular coal dust explosiveness identification instrument, which comprises a protection device arranged on the outer ring of an observation tube, the protection device comprises an outer protection shell made of transparent explosion-proof glass, the outer protection shell covers the outer ring of the protection device, and a vacuum cavity is formed between the outer protection shell and the protection device. The space between the observation pipe and the outer protection shell can be vacuumized through the vacuum generation unit, the outer protection shell protects the outer ring of the observation pipe, the observation pipe is prevented from exploding, when the observation pipe explodes, due to the fact that the space between the observation pipe and the outer protection shell is vacuum, fire spreading can be blocked, the protection performance is high, and the outer protection shell is made of transparent anti-explosion glass. And the observation of the observation tube is not influenced.
Owner:安徽维嵩生产力促进有限公司

Safety protection device for automobile seat cushion punching machine

PendingCN109530573AEliminate the risk of personal injury accidentsObservation does not affectShaping safety devicesAutomobile seat cushionCar seat
The invention discloses a safety protection device for an automobile seat cushion punching machine. The safety protection device comprises a bottom plate and a safety assembly, wherein the safety assembly is connected with the bottom plate, and the bottom plate is an automobile-seat-cushion-punching-machine lower-die fixing plate; the safety assembly comprises a safety side plate and a stopping cover, and the safety side plate is perpendicular to the bottom plate, and is fixedly connected with the bottom plate. The safety protection device has the advantages that the stopping cover covers a punching hammer and a hazardous area between an upper die and a lower die; meanwhile, long observing holes are formed in a stopping cover body, and observation when a workpiece is machined is not influenced. According to the safety protection device for the automobile seat cushion punching machine, any part of the human body is limited to enter the portion between the upper die and the lower die ofthe automobile seat cushion punching machine, and hidden danger when personal injury accidents occur is eliminated.
Owner:海安荣民汽车配件有限公司

Anoscope

The invention discloses an anoscope, and belongs to the technical field of medical instruments. The anoscope comprises an anoscope tube, a conical anoscope core which can be arranged in the anoscope tube in a sleeved mode, an observation tube which can be arranged in the anoscope tube in a sleeved mode and rotate in the anoscope tube and a light source; the anoscope tube comprises a first segment shaped like a trumpet opening and a second cylindrical segment which is connected to the rear end of the first segment, and the first segment of the anoscope tube is provided with a handle; the observation tube is of a conical tube structure of which the side wall is provided with a longitudinal strip-shaped opening, the cross section of the observation tube is in a C shape, a conical tip structure is arranged at the rear end of the observation tube, at least one optical fiber is embedded into the inner wall of the observation tube, and the tail ends of the optical fibers are connected with the light source arranged outside the anoscope. According to the anoscope, the structure is simple, use is convenient, and by using the observation tube matched with the anoscope tube and embedding the illumination optical fibers into the inner wall of the observation tube, enough illumination can be conveniently provided for a doctor when the doctor observes a patient.
Owner:山东美迪宇能医疗科技有限公司

Car auxiliary reflective mirror capable of seeing front wheel and rear wheel simultaneously

InactiveCN107571801ADoes not occupy reflective areaObservation does not affectOptical viewingEngineeringElectric control
The invention discloses a car auxiliary reflective mirror capable of seeing a front wheel and a rear wheel simultaneously. The car auxiliary reflective mirror is used for providing assistance when side parking is conducted on a car so that the car can be avoided to run into a kerb. The car auxiliary reflective mirror comprises a base, a front mirror body and a rear mirror body. The top of the baseis provided with a fixing part which is connected with the lower edge of an outer frame of a rearview mirror of the car, and the fixing part comprises a plane or a camber surface at the top of the base, a screw matching part, a thread matching part, a plug pin matching part and a buckle matching part. The front mirror body and the rear mirror body are mounted on the base, and located at the samehorizontal plane, the front mirror body is located on one side close to a driving cab, and the rear mirror body is located on one side away from the driving cab. The base is provided with an adjustingdevice for finely adjusting the angles of the front mirror body and the rear mirror body, wherein the adjusting device can serve as the basis for researching and developing an electric controlled adjusting device. The car auxiliary reflective mirror has the advantages that the reflective mirror is mounted at the lower edge of the outer frame of the rearview mirror, so that the valuable reflectionarea of the rearview mirror is not occupied. The ground partial areas near the front wheel and the rear wheel can be observed through the front mirror body and the rear mirror body simultaneously, and observing of the rearview mirror by a driver cannot be influenced.
Owner:向英特

Ant culture observation box with double-layer structure

The invention discloses an ant culture observation box with a double-layer structure, which comprises a base, the upper end of the base is provided with a turntable, the upper end of the turntable is provided with a support column, the open end of the support column is communicated with a transparent container, the open end of the transparent container is provided with a cover body, the transparent container is internally provided with a feeding mechanism, and the open end of the support column is provided with a plurality of limiting rods; a water tank is detachably connected to the upper end of the limiting rod, a water outlet is formed in the lower end of the water tank, a plurality of through holes are formed in the bottom of the transparent container, a groove is formed in the upper end of the rotating disc, a plurality of transparent box bodies are arranged on the peripheral side of the supporting column, the upper end of each transparent box body communicates with a connecting pipe, and the connecting pipes are inserted into the through holes; according to the transparent ant breeding box, when the transparent ant breeding box is used, ants are bred in the transparent box bodies, the ants can be observed by rotating the transparent box bodies, the transparent ant breeding box is very convenient to use, and the ants in each transparent box body can enter the transparent container and can move conveniently.
Owner:SOUTHWEST FORESTRY UNIVERSITY
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