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76results about How to "Not easy to knock down" patented technology
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Multifunctional trash can suitable for being automatically collected by mechanical arms
The invention discloses a multifunctional trash can suitable for being automatically collected by mechanical arms. The multifunctional trash can comprises a can body and a cover component. The cover component is arranged at the top end of the can body and oblique to the horizontal plane, and the cover component is a double-door combined structure and comprises an outer cover and an inner cover which only can be opened inwards. An opening is formed in the middle of the outer cover, a metal bar is embedded in the edge of the openable side of the outer cover to increase weight, the inner cover is arranged at the opening and larger than the opening in size, a torsion return spring is arranged at the inner cover, and a structure suitable for being grabbed by the mechanical arms is arranged on the outer side of the can body. The multifunctional trash can has the advantages of being simple and compact in structure, low in cost, convenient and reliable to use, and capable of meeting the requirements for grabbing, garbage pouring-out and resetting of the mechanical arms, and is mainly applied to an urban garbage collection system, the mechanical arms of a garbage truck are used for grabbing the trash can, pouring out garbage into the truck and reliably and quickly resetting the trash can, and the requirement for operation informatization management is met at the same time.
Owner:HUNAN UNIV
Drafting frame and operating process
ActiveCN102704159AAvoid damageNot easy to knock downAuxillary apparatusStructural engineeringMechanical engineering
The invention relates to a drafting frame. The drafting frame comprises two underframes, warp beam supports, a drafting bracket, pull ropes, harness wire brackets, reed supporting rods, a warp thread supporting rod, reed supporting plate movable brackets and warp beam limiters, wherein a warp beam limiter is arranged at the rear end of each underframe of the drafting frame, and each warp beam support is arranged behind the warp beam limiter; warp threads are arranged in each warp beam support; the drafting bracket is arranged on the underframes; the brackets are arranged on the top of the drafting bracket, and a reed supporting plate is placed in the brackets; rear supporting rods are arranged on the rear side of the middle upper part of the drafting bracket, hooks are arranged on the rear supporting rods, and the pull ropes are arranged on the hooks of the rear supporting rods to lift up the warp thread supporting rod; the drafting bracket is supported by the supporting rods, and two harness wire brackets are sleeved on each supporting rod; and one reed supporting plate movable bracket is arranged between an upper harness wire bracket and a lower harness wire bracket on each supporting rod on the outer side of the drafting bracket. By designing the structure, compared with another drafting frame with the same type, the drafting frame is easier to operate, and is wider in application.
Owner:WUJIANG FUHUA WEAVING
Multifunctional flowerpot
InactiveCN104641974ANot easy to knock overNot easy to knock downReceptacle cultivationWater flowMusic player
The utility model belongs to the field of gardening equipment and concretely provides a multifunctional flowerpot comprising a flowerpot body and a pedestal. The multifunctional flowerpot is characterized in that the pedestal is fixedly connected to the bottom of the flowerpot body; the flowerpot body is provided with a moisture alarm device; and a music player is embedded on the outer wall of the flowerpot body. The beneficial effects of the multifunctional flowerpot are that compared with the prior art, the flowerpot is multifunctional; when flowers need watering, an alarm is given and people is reminded of watering in time; a rubber suction disc on the bottom of the flowerpot can fix the flowerpot on a table surface, so the flowerpot cannot be overturn or knocked down; besides, the flowerpot is provided with the music player, so people can listen to music while listening to music; and water seeped out of the flowerpot can be discharged via a drawer in the pedestal of the flowerpot body, so water can be prevented flowing on the ground.
Owner:XIAN HONGYUE FLOWER
Flood control box for water conservancy project
InactiveCN110685253AImprove sealingReduce gapDamsClimate change adaptationStructural engineeringRubber mat
The invention discloses a flood control box for a water conservancy project, and particularly relates to the technical field of water conservancy projects. The flood control box comprises a box body,four clamping holes are formed in the top of the box body, the four clamping holes are formed in the four corners of the top of the box body, a first rubber pad layer is fixedly arranged on the bottomwall of the box body, supporting feet are connected to the bottom of the box body, threads are arranged on the top ends of the supporting feet, the top ends of the supporting feet are inserted into the box body, the supporting feet are detachably connected with the box body through threads, a clamping groove is formed in one side of the box body, a second rubber pad layer is arranged on the otherside of the box body, and clamping blocks are arranged on the second rubber pad layer. Seal of transverse and longitudinal connection of the flood control box can be reinforced at the same time, theclamping blocks and the clamping grooves are matched, the supporting feet and the clamping holes are matched, the gap of the connection between box bodies can be small, matching is fastened, the floodcontrol box is not prone to sweeping down, a built flood control dike is not prone to collapsing, and safety is improved.
Owner:重庆市水利港航建设集团有限公司
Fluorescent powder coating method capable of accurately controlling coating area
InactiveCN104241457ANot easy to reachNot easy to knock downSolid-state devicesSemiconductor devicesPowder SprayMaterials science
The invention provides a fluorescent powder coating method capable of accurately controlling the coating area. The method is suitable for LED powder spray processes and includes the following steps that an LED substrate is fixed; a first baffle used for avoiding a gold wire and a wafer is placed; a second baffle provided with a spray hole is placed on the first baffle, the second baffle is higher than the highest points of the gold wire and the wafer, the spray hole exactly faces the LED wafer, and the size and the shape of the spray hole are matched with those of the wafer; a powder spray head is adjusted so as to exactly face the spray hole and conduct spray operation. According to the method, the wafer is arranged under the spray hole and the shape and the size of the spray hole are matched with those of the wafer located under the spray hole, so that the spray area is accurately determined through the size of the spray hole, and spray evenness is effectively controlled through the shape design of the spray hole.
Owner:SHENZHEN REFOND OPTOELECTRONICS
Bottle cap enabling bottle body to be placed invertedly
InactiveCN105752480AAchieve upside-down placementNot easy to knock downClosure with auxillary devicesEngineeringBottle cap
The invention discloses a bottle cap enabling a bottle body to be placed invertedly. The bottle cap is composed of a bottle stopper and a sucker, the bottle stopper is screwed to a bottle opening of the bottle body and then inserted into the sucker, and thereby the bottle body can be placed invertedly and cannot be touched down easily; the bottle stopper can be plugged into and out of the sucker, so that rapid union and separation between the bottle body and the sucker are achieved, and the bottle cap is convenient to use.
Owner:CHANGLE LIZHI IND DESIGN CO LTD
Vase frame
The invention discloses a vase frame. The vase frame comprises a vertically arranged rectangular plate, wherein a horizontally arranged annular body is fixedly connected to one side surface of the rectangular plate, four suction discs are fixedly connected to the other side surface of the rectangular plate and are respectively located close to four corners of the rectangular plate. The vase frameis simple in structure and can be integrally and firmly fixed to a smooth wall through the suction discs, and a vase is placed in the annular body and can be fixed and is located on the wall, so thatthe vase does not occupy a desk surface space and is unlikely to be knocked over.
Owner:谭望金
Small-sized liquor and cigarette display stand placeable on counter
InactiveCN106136704ANot easy to blockEasy to pick up cigarettesShow shelvesShow hangersEngineeringBottle
The invention discloses a small-sized liquor and cigarette display stand placeable on a counter, comprising a cubic base and a stand body; the stand body comprises two supports; a plurality of cigarette pack storage box holding oblique plates are fixed between the two supports; a lidless cigarette pack storage box is placed on each cigarette pack storage box holding oblique plate and is provided with a plurality of cigarette pack storage cells arranged in parallel; each cigarette pack storage cell is provided with a rolling compressing device; a lidless storage box for small liquor bottles is mounted between the two supports and is positioned above the highest cigarette pack storage box; the lidless storage box for small liquor bottles is internally provided with a plurality of storage steps for small liquor bottles, each having a receiving hole; the tops of the two supports are connected through a transverse beam; the top of the transverse beam is not greater than 80 cm away from the bottom of the base. The small-sized liquor and cigarette display stand has the advantages that the stand uses small use and is simple in structure, liquors and cigarettes are rarely knocked over during usage of the stand, and the stand has multiple purposes and saves floor area.
Owner:山东聊城烟草有限公司高唐营销部
Novel controllable offending type toy gyroscope
The invention relates to a novel controllable offending type toy gyroscope which comprises a gyroscope shell, wherein the shell comprises a rib base which is used for arranging a rib; the rib is arranged in the rib base in a swinging form; and a pressure spring is arranged at the tail of the rib and is used for pressing a rib head into the rib base; under the effect of centrifugal force of the gyroscope, the rib head can be swung out of the rib base. The novel controllable offending type toy gyroscope is characterized in that the shell further comprises an upper shell arranged above the rib base; a magnetic buckle chamber is arranged in the upper shell; a magnetic buckle is arranged in the magnetic buckle chamber of the upper shell; the magnetic buckle can move up and down in the magnetic buckle chamber of the upper shell along the axis of the gyroscope; a hook is arranged on the rib; and when the rib head is located in the rib base, the hook of the main rib can be blocked by the magnetic buckle. The novel controllable offending type toy gyroscope has the beneficial effects that the structure is simple, the playing method is novel and the detaching is convenient.
Owner:武汉木奇灵动漫科技有限公司
Novel medical sputum suction apparatus
The invention relates to medical equipment and discloses a novel medical sputum suction apparatus. The novel medical sputum suction apparatus comprises a collection bottle, wherein a suction tube communicated with an inner cavity of the collection bottle is arranged on the collection bottle, and a suction head is arranged at one end, away from the collection bottle, of the suction tube and provided with a plurality of suction holes. The novel medical sputum suction apparatus further comprises a suction cylinder communicated with the collection bottle through a connection tube, a piston rod is arranged in the suction cylinder, and a piston is arranged at one end, extending into the suction cylinder, of the piston rod. A spring is arranged in the suction cylinder, and a portion, extending into the suction cylinder, of the piston rod is sleeved by the spring. The side wall of the connection tube is provided with an air outlet, a check valve is arranged in the air outlet, and a rubber pad is arranged at the bottom of the outer wall of the collection bottle. The novel medical sputum suction apparatus is simple and reasonable in structure, portable, convenient to operate and available for continuous use, workload is relieved for medical workers, cost is reduced due to recyclability of the suction cylinder, and high practicality is achieved.
Owner:陈鑫
Novel support capable of being stably placed conveniently for teaching projector
The invention discloses a novel support capable of being stably placed conveniently for a teaching projector. The novel support comprises a U-shaped supporting plate, a mounting sleeve pipe is fixedlyconnected to the middle of the lower end of the U-shaped supporting plate, the lower end of the mounting sleeve is fixedly connected to a supporting rod, the outer side of the supporting rod is movably sleeved with a fixing sleeve, an adjusting bolt is inserted at the upper end of the outer side of the fixing sleeve, and four inclined connecting rods are fixedly connected to the lower end of theouter side of the fixing sleeve; a fixing base is arranged below the fixing sleeve, a limiting sleeve ring fixedly sleeves the lower end of the inner side of a through hole in a guide rod, and a limiting circular plate is fixedly arranged at the upper end of the inner side of the through hole; the lower end of the guide rod is connected to a suction disc; and a pressure cylinder is fixedly installed in an installation round hole. According to the novel support, the novel support is more stably when being placed on the ground, the novel support is not prone to being knocked down when pedestrians are walking, so that the loss is avoided, meanwhile, the support is very convenient to move, and therefore the practicability is high, and popularization is facilitated.
Owner:柯丹
Efficient heat dissipation intelligent set top box
ActiveCN112822533AImprove cooling effectIncrease contact areaSupport structure mountingSelective content distributionMicrocontrollerThermodynamics
The invention relates to an efficient heat dissipation intelligent set top box which comprises a machine shell and a circuit board installed in the machine shell, the bottom of the machine shell is fixedly connected with a lifting assembly, the machine shell is further provided with a temperature sensor, and the temperature sensor is connected with a microcontroller. The microcontroller is preset with a temperature reference value so as to control the lifting assembly to move to support the machine shell when the heating temperature of the machine shell exceeds a preset value. The temperature sensor is arranged at the bottom of the machine shell to detect the temperature of the bottom of the machine shell in real time, when the temperature of the bottom of the machine shell is higher than the temperature reference value, the microcontroller controls the lifting assembly to lift the machine shell so as to increase the contact area between the bottom of the machine shell and air, and then the heat dissipation effect of the bottom of the machine shell is improved; and therefore, the local temperature of the bottom of the casing is not easy to be too high, and the set top box with the increased overall height also has the effect of facilitating the operation of a user. When the temperature of the set top box is at a normal value, the microcontroller controls the casing to reset so as to reduce the overall height of the set top box, so that the set top box is not easy to knock down.
Owner:深圳西米通信有限公司
Garbage can
Owner:WUJIANG DEKELI TEXTILE PROD
Hand-pulling type tablet display screen protective shell
InactiveCN107567229AEasy to useNot easy to knock downCasings/cabinets/drawers detailsIdentification meansEngineeringPlunger
Provided is a hand-pulling type tablet display screen protective shell. The hand-pulling type tablet display screen protective shell comprises a shell, the shell comprises a first shell and a second shell, hinges are arranged between the first shell and the second shell, one side of the second shell is provided with plungers, one side of the first shell, corresponding to the plungers, is providedwith buckles, the right end of the second shell is provided with a first handle, and the left end of the second shell is provided with a second handle. According to the hand-pulling type tablet display screen protective shell, the usage for users is facilitated in crowded occasions through the design of the detachable handles, the tablet does not easily fall off, when the tablet is not used, the handle can be dismounted to the other end, portable carrying is facilitated, and the practicality is high.
Owner:南京宝丽晶电子科技有限公司
Novel friction type toy top
The invention relates to a novel friction type toy top comprising a shell, a flywheel, an acceleration gear set and a friction powder wheel. The fly wheel is located in the shell and fixed to a middle shaft, the middle shaft is fixedly provided with a power output wheel, and the power output wheel meshes with the acceleration gear set. The top is characterized in that a gear ring is arranged on an inner ring of the friction power wheel, the friction power wheel drives the fly wheel to rotate through the acceleration gear set and the power output wheel, and the axis of the friction power wheel and the middle shaft are collinear. The top has the advantages of being simple in structure, convenient to play and convenient to detach.
Owner:武汉木奇灵动漫科技有限公司
Sucker clock
The invention relates to a sucker clock which belongs to articles for daily use. The sucker clock comprises a clock body and a base, wherein the clock body comprises a spherical clock case and a clock plate, the front part of the clock case is connected with the clock plate, the clock plate is a plane slightly inclining upwards, the lower end of the clock body is connected with the base by a rotating shaft, and a sucker is arranged at the lower end of the base. As being fixed on a tabletop by the sucker, the sucker clock is not easy to be knocked down and cannot be knocked off, thereby reducing the damage of the clock. The clock body can rotate by 360 degrees, thereby being convenient for people to check time.
Owner:梁世伟
Drafting frame and operating process
Owner:WUJIANG FUHUA WEAVING
Bottle cap with positioning function
InactiveCN104129557AWith positioning functionAchieve upside-down placementClosure capsClosure with auxillary devicesEngineeringBottle cap
The invention discloses a bottle cap with a positioning function. The bottle cap consists of a bottle plug and a sucker, wherein the bottle plug is screwed on a bottle opening of a bottle body, and is inserted in the sucker, so that the inverted placement of the bottle body is realized, and the bottle body is difficultly knocked over.
Owner:张旖
Charging pile for preventing plug from falling
InactiveCN110843582ANot easy to knock downReduce security risksCharging stationsElectric vehicle charging technologyStructural engineeringMechanical engineering
The invention discloses a charging pile for preventing a plug from falling. The charging pile comprises a charging pile body, the charging pile body is fixed to the ground through a base, a mounting rod is fixed into the charging pile body, a rotating drum is connected to the mounting rod through a torque device, and a cable is wound on the rotating drum; the rotating drum is connected with a charging plug, and outwardly turned L-shaped clamping blocks are mounted on the two sides of the charging plug; an insertion groove is formed in the charging pile body, a top plate is mounted in the insertion groove, an elastic member is mounted between the top plate and the bottom of the insertion groove; two oppositely arranged arc-shaped plates seal the top of the insertion groove, and the arc-shaped plates extend inwardly to form baffle plates; a strip-shaped plug interface is formed between the baffle plates; and an outlet for the cable to be pulled out is formed in the charging pile body. According to the charging pile for preventing the plug from falling, the cable of a set length can be drawn out according to needs, the cable can be automatically recovered after charging is completed,the plug is not prone to falling after being placed, and the potential safety hazards are reduced.
Owner:衡阳市宇松科技有限公司
Braille touch practice chess game board
Provided is a braille touch practice chess game board. The braille touch practice chess game board is characterized in that a player covers eyes to throw a dice or throws the dice for a blind person,a chess piece is taken out arbitrarily after the dice is thrown, a referee assists the player in touching the dice, acquiring the dot number and taking out the chess piece, the player touches and compares the number of convex and concave dots of the bottom of the chess piece and thrown dice; if the dot numbers are same, the player takes away the chess piece, and thereout, the player obtains one point; if the dot numbers are different, the chess piece is put back on a rotary table; if a player first collects 5 points, the game is over, and the referee obtains the ranking according to the collected points. The braille touch practice chess game board has the advantages that the demonstration and experiment effect is achieved with the simplest equipment, the cost is reduced, blind people or able-bodied people practice touch and perception in the happy game, thereby being helpful for the able-bodied people to feel difficulties caused when the blind people cannot see, and enabling the able-bodied people to put themselves in the position of the blind people, and being helpful for the blind people to practice touch, so that the sensory ability of the blind people is improved.
Owner:佛山市多营工业设计有限公司
Anti-falling pencil box
InactiveCN104544874AImprove protectionNot easy to knock downOther accessoriesEngineeringGround level
The invention discloses a daily study article, and particularly discloses an anti-falling pencil box. The anti-falling pencil box comprises a casing, and is characterized in that a sucker is mounted at the bottom end of the casing, and a sponge layer is added to the outer surface of the casing. The anti-falling pencil box has the benefits as follows: by means of the sucker mounted at the bottom of the casing, the pencil box can be fixed on the desktop and is not likely to fall off, even if the pencil box is knocked down and falls on the ground, the sponge layer on the outer side of the casing can protect the casing and stationery in the pencil box very well, and unnecessary waste is reduced.
Owner:闫乃笑
Water cup protection device
The invention discloses a water cup protection device. The water cup protection device includes a base, a baffle is vertically connected over the base, and a cup handle placement groove is formed in the baffle; a plurality of air suction cups are connected to the bottom of the base, the top surface of the base is provided with a heating plate, the heating plate is internally provided with a heating device, the base is provided with a power supply and a switch, and the heating device is in circuit connection with the switch. According to the water cup protection device, the baffle is connectedwith the base, the water cup protection device is fixed on a desk through the air suction cups, a cup is placed into the water cup protection device, and in this way, the water cup can be effectivelyprotected from falling on the ground easily; the heating plate on the base can also conduct heat preservation on the water cup, and therefore the water cup protection device has the advantages of being simple in structure, high in reliability and capable of preserving heat and has great progressive significance and practical value.
Owner:广安市广安区肖溪镇初级中学校
Ladder for decorating ceiling of house
ActiveCN109653673APlay a positioning rolePull up smoothlyLaddersEngineeringElectrical and Electronics engineering
The invention discloses a ladder for decorating a ceiling of a house. The ladder is characterized in that the ladder comprises a herringbone ladder; the herringbone ladder comprises two symmetrical straight ladders, two support seats are connected to the tops of the straight ladders, and the lower sides of the support seats are connected through hinges; a picking device is arranged on one side ofthe support seats, and comprises a storage platform and a storage basket; a picking hole allowing the storage basket to pass through is formed in the middle of the storage platform, and a thread is connected to two opposite sides of the storage basket; the storage platform is connected with one side of a connection plate through a side plate, a winding component for winding the thread is rotatablyconnected to the side plate, and two guide components for guiding the thread are arranged on the upper side of the storage platform. Compared with the climbing mode in which it is danger and inconvenient for users to climb the ladder by a single hand when holding objects such as brushes, the ladder has the advantages that the ladder is labor saving and especially suitable for high ceilings; the storage platform can provide a region for placement of the objects, and the decoration efficiency is improved conveniently.
Owner:温州市东日建筑装饰工程有限公司
Mosquito dispeller capable of realizing timing
InactiveCN104642288APlace at randomNot easy to knock downAnimal repellantsFumigatorsEngineeringTimer
The invention provides a mosquito dispeller capable of realizing timing. The mosquito dispeller comprises a mosquito dispeller seat and a mosquito dispelling device, wherein the mosquito dispeller seat comprises a timer, a power switch, an LED (Light Emitting Diode) lamp, a groove, a two-pin plug with a wire, air holes and a through hole; the groove and the air holes are arranged in the upper surface of the mosquito dispeller seat; the power switch, the timer and the two-pin plug with the wire are arranged on the side face of the mosquito dispeller seat; the LED lamp is positioned in the mosquito dispeller seat and is connected in series with the timer and the power switch in sequence; the through hole is positioned in the lower end of the mosquito dispeller seat, is provided with internal threads and is connected with the external threads of the mosquito dispelling device. The mosquito dispeller has the beneficial effects that timing can be realized, leakage can be prevented, and the use is convenient.
Owner:TIANJIN FANKAI TECH & TRADE
Chemical sealing bottle
The invention discloses a chemical sealing bottle comprising a bottle body and a bottle cap, wherein the bottle body comprises an inner bottle and an outer bottle, a cavity is arranged between the inner bottle and the outer bottle, and the top of the bottle body is provided with a bottle mouth. The position between the bottom mouth and the outer side of the bottle body is provided with a base ring. The top of the base ring on the outer side of the bottle mouth is provided with three equidistant arc-shaped blocks, and the inner wall of the bottle mouth is provided with a profiled ring having an L-shaped section. One end of the shaped ring is connected to the inner sidewall of the bottle mouth, and the other end of the profiled ring is bent upwardly and extends out of the bottle mouth, and a seal groove is formed between the profiled ring and the bottle mouth. The sealing bottle effectively improves the sealing effect, effectively avoids the occurrence of the spillage of the reagent, effectively improves the safety at the time of use, makes the operation of the operator more convenient, and effectively increases the friction between the bottle and the bench, so that the bottle can be more stable on the bench, and more difficult to be knocked down.
Owner:工大开元环保科技(安徽)股份有限公司
A new type of water cup for infants and young children
InactiveCN103549844BNot easy to knock downAvoid repeated water changesFeeding-bottlesDrinking vesselsEngineeringScrew joint
Owner:SUZHOU WILDER IND & TRADE
Compressed air distribution bag
The invention belongs to the technical field of an air distribution bag and particularly relates to a compressed air distribution bag. The air distribution bag comprises an air distribution bag body,wherein fixing blocks are fixedly connected with ends, away from a rotating shaft, of the two arc-shaped blocks, threaded holes are formed on the fixing blocks, a threaded rod is arranged in the threaded holes in a matched manner, one end of the threaded rod is fixedly connected with a rotating block, a rubber soft cushion is fixedly connected with an inner wall of the arc-shaped block through a first spring, a base is arranged at a bottom end of the air distribution bag body, a first limiting block and a second limiting block are slidably connected with the base, a top end of a third spring is fixedly connected with a pull block, and a bottom end of the third spring is fixedly connected with an upper end face of the first limiting block. The air distribution bag has the advantages that through the arc-shaped block, the rubber soft cushion, the first limiting block, the second limiting block and the base, the air distribution bag can be conveniently connected with a connecting pipe, anair leakage phenomenon is effectively prevented, sealing performance is better, moreover, the air distribution bag is not prone to shaking, and stability is higher.
Owner:CHINA RAILWAY 14TH BUREAU GRP LARGE SHIELD ENG CO LTD
Child bowl
The invention relates to a child bowl used when a child has meals. The child bowl is provided with a bowl body with a bowl bottom and is characterized by being further provided with a fixing clamp; the bowl bottom is provided with a sunken part, the sunken part is provided with a sunken part through hole communicated with the outer side of the bowl body, a magnet is arranged in the sunken part in a sleeved mode, an operation handle is fixedly connected to the magnet and extends to the outer side of the bowl body through the sunken part through hole, the fixing clamp comprises a clamping end and a metal attraction surface which the magnet can attract, and the metal attraction surface is matched with the bowl bottom. The child bowl is not likely to be knocked off by a child and can be taken to be used more conveniently by a patient, and the service life is prolonged.
Owner:钟敏
Multifunctional water cup fixing device
InactiveCN109259556ANot easy to knock downPrevent knock downBottle holdersArchitectural engineeringMultiple function
A multi-functional water cup fixing device is disclosed and includes a placement cartridge, a base is mounted on the bottom wall of the placing box, the outside wall of the base is provided with a mounting opening, two fixing rods are arranged on the bottom wall inside the mounting opening, a mounting plate is arranged at the top ends of the two fixing rods, a control rotary lever is inserted on the mounting plate, one end of the control rotary lever is provided with a rotary table, the turntable is provided with a turntable convex lever, a turntable lever is provided on the outer side wall ofthe mounting plate, a swing lever is provided on the turntable lever, a notch is provided on the swing lever, two fixing sleeves are fixedly installed on the inner side wall of the mounting opening,and a movable lever is inserted into the sleeve openings of the two fixing sleeves. The invention has the advantages of simple structure, easy realization, fixing the water cup by using a splint so that the water cup is not easily knocked down, and lifting and lowering the water cup by using a flat plate can be applied to the water cups of different heights, is practical and easy to operate, and can well prevent the water cup from being knocked down.
Owner:SHENZHEN XINGDINGYUAN TECH CO LTD
Rapid formaldehyde detection method and device based on fuchsin-sodium sulfite reagent
PendingCN110441301AHigh-precision detectionAvoid harmMaterial analysis by observing effect on chemical indicatorColor/spectral properties measurementsSulfite saltSodium sulfite
A rapid formaldehyde detection method based on a fuchsin-sodium sulfite reagent comprises the following steps of preparing a formaldehyde standard solution; preparing a sodium sulfite solution; preparing a fuchsin solution; preparing the fuchsin-sodium sulfite reagent; taking a certain amount of the formaldehyde standard solution and using deionized water to dilute the solution to a certain concentration; taking 2.5ml of the fuchsin-sodium sulfite reagent prepared in the S4, and adding the same to the formaldehyde solution diluted in the S5; detecting the absorbance change of the solution in the S6 by using a visible spectrophotometer; and repeating the S5, S6 and S7. The invention also proposes a rapid formaldehyde detection device based on the fuchsin-sodium sulfite reagent, and the device comprises a detection box body, a detection box cover, a liquid container, a fan, a suction cup, a fixing rod, a connecting member and a pressing assembly. The invention produces an obvious color developing effect by the reaction of the fuchsin-sodium sulfite solution with the formaldehyde solution, is easy to obtain materials and simple to operate, and can accurately and quickly detect formaldehyde, thereby introducing formaldehyde detection to each family.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST
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