66results about How to "Affect storage" patented technology

The invention discloses a distributed storage method based on the consistent Hash algorithm, and belongs to the technical field of distributed database storage. The method comprises the following steps that firstly, a Hash value space is set into a circular ring connected in an end-to-end mode; secondly, an object is mapped into the Hash value space; thirdly, a Cache is mapped to the same Hash value space into which the object is mapped, and the same Hash algorithm is used; fourthly, the object is mapped into the Cache; fifthly, the Cache is removed or added. The distributed storage method has the following advantages that the data retrieving efficiency is high, corresponding data can be obtained in corresponding servers every time retrieving is carried out, and response can be fast made; when the number of the servers is increased or reduced, an existing distributed environment cannot be greatly affected, and only the storage of part of data can be affected while the Hash server cannot be changed.

The invention relates to a method for separating hemopoietic stem cells through a cord blood separation double bag. According to the method provided by the invention, red blood cells and blood plasma are separated and transferred to a transfer bag step by step by adopting a main bag and the transfer bag, and a freezing protection liquid is added, the cells are transferred to a cell freezing bag and are finally frozen and stored. The method realizes the separation of the hemopoietic stem cells by adopting a centrifugal method, the structure of the adopted transfer bag for separation is simple and practical, the overall separation process is simple and convenient, the separation is totally enclosed, the pollution is reduced, the storage volume of the hemopoietic stem cells can be safely and effectively concentrated, and the recovery rate of the hemopoietic stem cells can be improved as much as possible.

The invention relates to a tower type garage, which consists of a main body structure, a lifting elevator and an intelligent control system. The tower type garage is characterized in that the main body structure is of a multi-layer structure formed by combining girders, columns and floor slabs; one elevator shaft used for the lifting elevator is at least arranged in the main body structure; a transportation device or / and a movable automobile tray capable of realizing vertical ascending and descending and horizontal movement is / are arranged on a bottom plate of a lift car of the lifting elevator; the transportation device or / and the automobile tray or / and a traction device operate(s) through being commanded by the intelligent control system; and each floor slab is provided with a rail on which the transportation device operates. The whole parking process realizes the full automation; the occupation of a great number of space resources for vehicles to run into the garage is not needed; the use space is greatly reduced; secondly, the vehicles can fast and accurately move to specified parking spaces through the automatic control; the collision with an adjacent vehicle during the parking due to a personnel driving technology is avoided; and unnecessary dispute is avoided.

The invention relates to a winding machine, in particular to a cloth winding machine. In order to achieve the technical purposes that the cloth winding machine can replace manpower to wind cloth, thecloth winding speed is high, and the situation that storage is affected when the cloth is loose can be prevented, the cloth winding machine comprises a base, supporting bases, arc-shaped placement plates, pull rods, a winding drum, a hexagonal rhombohedral sleeve, a horizontal slider, a first spring, second springs, a supporting block, a driving motor and the like, wherein the supporting bases aresymmetrically fixedly connected to the left side and the right side on the top of the base, the arc-shaped placement plates are fixedly connected with the tops of the supporting bases, and arc-shapedguide grooves are symmetrically formed in the front side and the rear side on the outer side face of each arc-shaped placement plate. By fixing the cloth to the winding drum, a driving motor is started, then the cloth can be wound up by the winding drum without manually winding the cloth up, and the cloth winding speed is high; through a limiting device, the amount of the cloth which is wound byeach winding drum can be consistent, and the situation that a lot of cloth is wound by the winding drum, and storage is affected can be avoided.

The invention discloses a weld joint nondestructive testing device for pipeline flaw detection. The device comprises a machine base, a liquid storage tank is formed in the middle of the top end of themachine base, a wastewater discharging mechanism is arranged in the liquid storage tank, and limiting and screening mechanisms are symmetrically arranged at the positions, corresponding to the two sides of the liquid storage tank, of the top end of the machine base, an efficient spraying mechanism is arranged at the top end, corresponding to the top of the liquid storage tank, of the machine base; each limiting and screening mechanism comprises an embedded groove, a supporting seat and a bearing wheel. The device is scientific and reasonable in structure and safe and convenient to use, the limiting and screening mechanisms are arranged, side guide rollers are pressed to descend through the self-weight of a pipeline, electrode plates at the bottom ends of the side guide rollers are attached to electrode plates at the top ends of bottom blocks, power is supplied to an electromagnet, and electromagnets are matched with magnetic strips, and sliding blocks are pushed to slide, meanwhile, the magnetic force of the electromagnets is increased according to the current conveying strength, and the pushing force of the electromagnets for pushing the magnetic strips is increased, therefore the moving effect of the sliding blocks is guaranteed.

The invention discloses a refrigerator. The refrigerator comprises a box body, a door body and a microwave oven, wherein refrigerating chambers and a microwave oven chamber are arranged inside the box body; an air inlet and an air outlet which communicate the microwave oven chamber with the outside are formed in the box body; the microwave oven is arranged inside the microwave oven chamber; the microwave oven comprises a shell; the shell comprises a cooking chamber; an air inlet through hole and an air outlet through hole which are communicated with the cooking chamber are formed in the shell; the air inlet through hole is communicated with the air inlet; the air inlet, the air inlet through hole, the cooking chamber, the air outlet through hole and the air outlet forma main radiating air duct of the microwave oven. According to the refrigerator, through the main radiating air duct, heat inside the microwave oven is taken away in the flowing process of air in the main radiating air duct to dissipate the heat of the microwave oven, so that storage of articles inside the refrigerating chambers is affected by extremely high temperature of the microwave oven, and thus the adverse effect of the heat generated by the microwave oven on the refrigerator is reduced and the stability and the using performance of the refrigerator are improved.

The invention relates to a holder stabilizer, and concretely provides a stabilizer folding structure and a handheld stabilizer. The stabilizer folding structure is used for rotatably connecting a motor base and a rocker arm, so that the motor base and the rocker arm have a first unfolding state and a second storing state during the relative rotating process. The stabilizer folding structure comprises a buckle structure arranged on the connecting position of the motor base and the rocker arm, wherein at the first state and the second state, the buckle structure is clamped so as to limit the motor base and the rocker arm from relatively rotating; and at the other states, the buckle structure is separated, so that the motor base and the rocker arm can relatively rotate. The folding structureprovided by the invention is convenient for folding and storing a stabilizer, and is convenient to use by a user.

The invention discloses a leaning type safe light and convenient vehicle for people to pick and husk Chinese chestnuts. The leaning type safe light and convenient vehicle for people to pick and husk the Chinese chestnuts comprises a leaning type movable mechanism, a husking mechanism, a flexible telescopic gliding module, a wrapping type telescopic grabbing and picking mechanism and a detachable loading vehicle, wherein the husking mechanism is arranged on the leaning type movable mechanism; the wrapping type telescopic grabbing and picking mechanism is arranged on the leaning type movable mechanism; one end of the flexible telescopic gliding module is arranged on the wrapping type telescopic grabbing and picking mechanism; the other end of the flexible telescopic gliding module is arranged on the husking mechanism; and the detachable loading vehicle is detachably arranged at the rear end of the leaning type movable mechanism. The invention belongs to the field of farm tools, particularly, by the leaning type safe light and convenient vehicle for people to pick and husk the Chinese chestnut, the practicality is high, people pick the Chinese chestnuts comfortably, the working efficiency is improved, the labor intensity is reduced, the problems that people who pick the Chinese chestnuts easily suffer from cervical diseases when looking up to observe the Chinese chestnuts, and theChinese chestnuts are difficult to pick due to over-high Chinese chestnut trees are solved, and husks of the Chinese chestnuts are automatically and nondestructively removed.

The invention relates to a method for regulating nitrous oxide recovery based on a NO denitrification process. The gaseous pollutant NO is immobilized into a solution to form Fe (II) EDTA-NO in a complex state as a denitrification substrate, the yield of N2O in the reaction process is controlled by adjusting the addition amount of a carbon source, enrichment is achieved, and energy recovery in thedenitrification process is facilitated. Compared with the prior art, the method is simple in process, low in energy consumption and free of by-products, the conversion rate of Fe (II) EDTA-NO to N2Ois high and can reach about 0.45, and the obtained N2O gas can be used as an oxidizing agent, a combustion improver and the like.

The invention relates to the technical field of lamp processing, and discloses a hole-opening equipment capable of opening the a hole stably used for a lamp shell. The hole-opening equipment used forthe lamp shell comprises an operation table, a sliding block is movably connected to the top of the operation table through a supporting frame, and an inserting plate is fixedly connected with the bottom of the sliding block through a hydraulic rod; a punching machine is fixedly connected to the bottom of the inserting plate, and a threaded rod is in threaded connection with the top of the slidingblock; the bottom of the threaded rod is fixedly connected with the supporting frame through a fixing block, an inserting rod is connected to the bottom of the side face of the inserting plate in aninserting mode, and the bottom of the inserting rod is fixedly connected with the top of the operation table; a fixing sleeve is fixedly connected with the top of the operation table through a fixingplate, and a shell body is connected in the fixing sleeve in a clamping mode; and the top of the fixing plate is fixedly connected with the shell body through a telescopic rod. According to the hole-opening equipment capable of opening the hole stably used for the lamp shell, the sliding block and the supporting frame are fixed through the fixing block by adjusting the threaded rod, and fixing ofthe position of the punching machine is convenient; stability of punching is enhanced by pre-positioning of the inserting plate by the inserting rod and fixing of the telescopic rod and the shell body.

The invention discloses a special garbage picking pliers for sanitation personnel, which includes a first pliers handle, the first pliers handle is rotatably connected with a second pliers handle through a rotating shaft, and a bracelet is arranged at one end of the first pliers handle. A handle is welded at one end of the second pliers handle, a limit rod is arranged between the first pliers handle and the second pliers handle, and a spring tube is arranged inside the limit rod, and a buffer cavity is opened inside the first pliers handle, And the bottom of the buffer cavity is provided with an engaging rod, the surface of the engaging rod is provided with a lifting rod, and a bayonet pin is provided on one side of the lifting rod, and a chute is provided on the outer surface of the second pliers handle, and the chute passes through the locking groove Connected with the bayonet pin, the bottom of the connecting rod is provided with an elastic plate, and the bottom of the elastic plate is provided with a roller shaft. In the present invention, the design of the overall structure of the pick-up pliers is simple and reasonable, realizing the effect of double recovery of solid waste and liquid waste, flexible and convenient operation, and strong practicability.

The invention discloses an agricultural mechanized fertilization device and method, and relates to the field of fertilization devices. The device comprises a material storage box, a drying assembly arranged in the material storage box and a pressure reduction assembly arranged on the material storage box; the drying assembly is used for drying fertilizer in the storage box, the pressure reducing assembly comprises a transfer pipe, a pressure reducing pipe, a pressure reducing valve and a soft air pipe, a plurality of discharging pipes are arranged in the storage box and are in a linear array, an inner cavity is divided into a small cavity and a large cavity, the small cavity is located above the large cavity, two air bags are arranged on the inner wall of the large cavity, and the air bags are arranged in the middle of the storage box. And the discharging speed and the discharging amount are adjusted.

The invention discloses a wooden packaging box with a moisture-proof function. The wooden packaging box comprises a box body and a box cover movably connected to the top of the box body, wherein fixing grooves are formed in the two sides of the bottom of the inner wall of the box body, and the bottoms of the inner walls of the fixing grooves are fixedly connected with blowing fans; the top of one side of the inner wall of the box body is fixedly connected with a humidity sensor, and the bottom of the box cover is fixedly connected with a sealing block; and a moisture absorption mechanism is arranged in the box cover, and the two sides of the bottom of the sealing block are fixedly connected with electric heating pipes. The invention relates to the technical field of packaging boxes. According to the wooden packaging box with the moisture-proof function, the moisture absorption mechanism is arranged at the bottom of the box cover, a dehumidification structure is arranged in the box body, and then the humidity sensor is used for automatically monitoring the humidity value in the box body, so that moisture in the box body can be automatically removed and adsorbed, the storage of articles is prevented from being influenced by the moisture, the probability of economic loss is reduced, and the wooden packaging box meets the actual use requirements.

The invention discloses a sealing structure capable of sealing food. A shell is mainly composed of a first shell body and a second shell body connected with the first shell body. A first locking block is arranged on the first shell body and is inward concaved to form a locking hole. A fixing block is arranged on the second shell body and is inward concaved to form a first groove. A second locking block is arranged in the first groove. A locking pin is arranged in the second locking block. A locking ring is arranged in the fixing block and penetrates the fixing block. A displacement groove is formed in the fixing block. A spring is arranged in the displacement groove and arranged on the locking ring in a sleeving manner. The fixing block is inward concaved to form a second groove. The second groove is communicated with the displacement groove. A pull block is arranged in the second groove and is arranged in the displacement groove and connected with the spring. According to the sealing structure, a bottle cap can be firmly clamped on a bottle mouth, sealing can be firmly achieved even though the bottle cap is opened many times, and the situation that due to thread losses, sealing fails or the bottle cap loosens, or the bottle cap is prone to falling off under the action of vibration and the like is avoided.

The invention discloses a cache device and method for one-number one-responsibility one-person page authorization based on a management system. The device comprises a box body and a top cover, the topcover is fixedly connected to the top surface of the box body; a data wiring port is formed in the side surface of the top cover; a pick-and-place opening is formed in the side surface of the box body; a sealing mechanism is arranged on the pick-and-place opening; a boosting mechanism is arranged on the outer side of the pick-and-place opening, inserting grooves are evenly formed in the top of the inner side of the box body, the inserting grooves are electrically connected with the data wiring port, a disc, clamping mechanisms, a jacking mechanism and a driving mechanism are arranged in the box body, the disc is connected in the box body through the driving mechanism, the clamping mechanisms are evenly distributed on the disc, and the jacking mechanism is located below the disc. Synchronous and automatic mounting and dismounting of multiple caches can be achieved, the mounting precision is improved, the service life of the caches can be prolonged, dust is prevented from entering the caches and safety is improved.

The invention relates to the technical field of forestry engineering, in particular to a forestry engineering greening tree seedling fixing device which comprises a mounting frame, and a fixing mechanism is clamped on the mounting frame in a matched mode. A supporting mechanism is mounted on the mounting frame; an adjusting mechanism is rotationally arranged on the mounting frame; an abutting mechanism is fixed on the adjusting mechanism; a mounting mechanism is fixed on the mounting frame; meanwhile, a plurality of supporting mechanisms are arranged, it can be ensured that the device is used on the uneven ground, and the situation that the saplings are blown down in windy and rainy days can also be prevented; the adjusting mechanism is sequentially rotated, so that the abutting mechanism can abut against the saplings, and therefore, the saplings can be conveniently protected and stabilized, and meanwhile, the inclined saplings can be conveniently corrected; the installation mechanism is fixed to the installation frame, then nameplates of the saplings are placed in the installation mechanism, then people can distinguish the saplings conveniently, and meanwhile the situation that normal growth of the saplings is affected due to the fact that the nameplates are directly hung on the saplings through ropes is prevented.

The invention discloses a shock absorption and moisture prevention mechanism of an electromechanical equipment instrument. The shock absorption and moisture prevention mechanism of the electromechanical equipment instrument comprises a storage box, suction cups and pulling ropes. A storage tank is connected into a clamping groove in the lower surface of the interior of the storage box, and a drying agent box is connected to the portion, located in the storage tank, of the clamping groove. Air holes are fixedly formed in the upper surface of the interior of the storage tank, and a limiting block is arranged above the air holes. The suction cups are located at the lower end of the storage tank, and clamping blocks are arranged in the suction cups. Threaded rods are fixed to the lower ends ofthe suction cups. Springs are arranged at the lower end of a storage plate. Fixing blocks are fixedly connected to the left end and the right end of the storage box. The pulling ropes are connected to fixing shafts in a sleeving mode, and the other end of each pulling rope is connected with an electric telescopic rod through a buckle ring. A box cover is connected into a clamping groove in the upper end of the storage box. The shock absorption and moisture prevention mechanism of the electromechanical equipment instrument can be conveniently used for moisture prevention of the electromechanical equipment instrument and can also be conveniently used for damping and shock absorption of the electromechanical equipment instrument, and thus, the electromechanical equipment instrument is protected.

The invention discloses a construction site entrance guard capable of being rapidly disassembled and assembled, and belongs to the technical field of entrance guards, the construction site entrance guard comprises two entrance guard bodies which are arranged in a bilateral symmetry manner, side plates are fixedly connected to the back surfaces of the entrance guard bodies, disinfection mechanismsare arranged in the side plates, and steering mechanisms are arranged on the disinfection mechanisms; a positioning mechanism is arranged on the disinfection mechanism, and the upper surface of the side plate is fixedly connected with a top plate. According to the invention, through the arrangement of the temperature measuring mechanism, when people step on the fourth supporting plate, the fourthsupporting plate moves downwards, the fourth supporting plate can stably move along a track under the action of a second sliding block and a second sliding groove, and the fourth supporting plate pulls the first supporting plate to move downwards through a fixing rope; and when the worker leaves the fourth supporting plate and does not pull the pull rope any more, the first spring and the second spring push the first supporting plate and the camera to move upwards to the initial position through the elasticity of the springs, and the worker cannot be influenced when passing through the accesscontrol body.

The invention provides a panel for family shoe cabinet production. The panel comprises a first dampness proof layer, a panel layer, a second dampness proof layer and a deodorizing layer, the deodorizing layer is prepared by using a curing agent, a binding agent, a zinc oxide, a central power body and a sterilization agent, the first and second dampness proof layers are prepared by adopting emplaster, a dampness proof agent and a binding agent, a dew river panel is adopted as an original panel by the panel layer, zinc oxide is zinc oxide power body monomer, and the diameter of the zinc oxide is0.1 millimeter. The deodorizing layer is added to the surface of the panel, an SCFA component in an odor is converted into an SCFA metal salt according to the absorbing characteristics of the zinc oxide in the deodorizing layer and the central powder body to remove the odor from the shoe cabinet, the dew river panel as the original panel, the shoe cabinet has the advantages that the shoe cabinetdoes not deform, the color does not fade, the shoe cabinet is protected from scratching and the shoe cabinet is environmentally friendly, the shoe cabinet is effectively prevented from deforming in the using process, the causes of the damage of the dampness proof layers and the deodorizing layer are prevented, and the influence on the effects of dampness proofing and deodorizing are removed.

The invention relates to the technical field of power equipment, and discloses a cable fixed-length winding auxiliary device for a power transmission line. The cable fixed-length winding auxiliary device comprises a support, a first rotating shaft is movably connected in the support, a first gear is fixedly connected to the exterior of the first rotating shaft, second gears are engaged with the exterior of the first gear, a second rotating shaft is fixedly connected in each second gear in a sleeved manner, a first rotating disc is fixedly connected to the exterior of each second rotating shaft, a pole N is fixedly connected in each first rotating disc, a pole S is fixedly connected in each first rotating disc, a connecting rod is movably connected in each first rotating disc, and a secondrotating disc is movably connected to the exterior of each first rotating disc. Through interaction among the support, a shell, the first rotating shaft, the first gear, the second gears, the first rotating discs, the second rotating discs, the connecting rods, the poles N, the poles S, balancing weights and first springs, a winding roller cannot generate any influence on normal winding during normal winding, and the situation that use of the device influences normal winding, and consequently storage and transportation of power transmission cables are influenced is avoided.

The invention discloses a warehouse circulating system and a control method thereof, and belongs to the technical field of clothing manufacturing warehouses. The warehouse circulating system comprisesa circulating rail, a conveying rail, a storage rail, a delivery rail and carriers. The storage rail and the delivery rail are both arranged between the circulating rail and the conveying rail. The control method includes the steps that the carriers needing to be stored enter the circulating rail from the conveying rail through the storage rail, when the carriers need to be transferred, the carriers are made to do circulating movements in the circulating rail until arriving at the delivery rail, and the carriers enter the conveying rail through the delivery rail. By means of the warehouse circulating system, the delivery operation is greatly simplified, and the cargo delivery efficiency is effectively improved.

An embodiment of the invention discloses a three-dimensional memory and a forming method of the three-dimensional memory. The three-dimensional memory comprises a plurality of first conductive wires which extend along a first direction, a plurality of second conductive lines extending in a second direction, and a plurality of phase change memory units, wherein the first direction and the second direction are perpendicular to each other; the plurality of phase change memory units are arranged between the first conductive wire and the second conductive wire and are perpendicular to the first conductive wire and the second conductive wire; and a gap exists between two adjacent phase change storage units, the gap is filled with a heat insulation material, and a heat conductivity coefficient ofthe heat insulation material is lower than a threshold value.

The invention discloses a preservation method for long-distance transportation of kumquats in winter, and the method comprises the following steps: washing and draining the kumquats, putting the kumquats into a kumquat preservation box for sealed preservation, and transporting the kumquats after sealing; sodium bicarbonate, high-molecular water-absorbent resin, essential oil, plant debris and methyl naphthylacetate are contained in the kumquat preservation box, during transportation, when the environment temperature is higher than-10 DEG C, no treatment is carried out, and when the environment temperature is lower than-10 DEG C, the heat preservation box in the box body is heated and subjected to heat preservation, and the temperature in the heat preservation box is heated to 5 DEG C. Methyl naphthalene acetate can improve the cold resistance of the kumquats, the water absorption expansion area can absorb water vapor, meanwhile, essential oil and sodium bicarbonate arranged in the water absorption layer have the antibacterial effect, and the kumquats can be effectively prevented from deteriorating. The kumquats are extremely suitable for being sold and transported to the north in winter, and the fresh-keeping effect of the kumquats is good under the low-temperature environment condition.

The invention provides a dark tea storage box. The dark tea storage box comprises a box body, ventilation grooves and a moving assembly, wherein the ventilation grooves are formed in the left side andthe right side of the top of the box body; and the moving assembly is fixedly connected to the top of the outer surface of the box body, the bottom end of the moving assembly extends into the box body, the moving assembly comprises a motor and a sliding rod, and one end of an output shaft of the motor is fixedly connected with a first threaded rod through a coupler. According to the dark tea storage box, the ventilation grooves are formed in the top of the box body, so that the interior of the box body is conveniently and rapidly ventilated and dehumidified, dark tea is prevented from being affected with damp due to the fact that the interior of the box body is too damp, the quality of the dark tea is prevented from being affected, meanwhile the moving assembly and a cover plate are arranged on the upper portion of the box body, the cover plate can cover the top of the box body, and the situation that in the driving process, wind power is too large and blows on dark tea cakes, the dark tea cakes are broken, and the quality of dark tea is affected is avoided.

The invention relates to the technical field of drying equipment, and discloses a crop drying device. The crop drying device comprises drying equipment. A supporting base is fixedly installed at the bottom of the drying equipment. Universal wheels are fixedly installed at the bottom of the supporting base, a feeding pipe is fixedly communicated with the top of the drying equipment, a supporting block located above the feeding pipe is fixedly installed on the top of the drying equipment, and a motor is fixedly installed at the bottom of the supporting block. According to the crop drying device,due to matching of the drying equipment and the supporting base, after crops are harvested, no long-term airing is needed, the crops are directly placed into the drying equipment to be dried, the phenomenon that the crops are excessively humid, and storage of the crops is affected is avoided, by means of the effect of the universal wheels, the drying equipment can move constantly, the phenomenonthat the crops need to be pulled, and unnecessary resources are affected is avoided, the convenience of the drying equipment is improved, and by means of cooperation of the motor and a quantity control board, drying of the crops is ensured.

Embodiments of the present invention provide a flash memory unit and a method for forming the same. The flash memory unit provided by the embodiment of the present invention includes: a semiconductor substrate; and a gate structure located on the surface of the semiconductor substrate. The gate structure includes tunnels formed in sequence. Through oxide layer, floating gate, isolation oxide layer and control gate; source and drain located in the semiconductor substrate on both sides of the gate structure; the floating gate has a first p-type doping close to the drain terminal and the second p-type doped terminal close to the source, and the doping type of other parts is n-type. The present invention can improve the storage performance of the flash memory unit.

The invention relates to an ice-making assembly. The ice-making assembly comprises an ice-making cavity, an ice machine mounted on the upper portion of the interior of the ice-making cavity, and an ice storage box located on the lower portion of the interior of the ice-making cavity. The ice-making assembly further comprises a movable partition plate arranged between the ice machine and the ice storage box and used for enabling the ice machine to communicate with the ice storage box or isolating the ice machine from the ice storage box. According to the ice-making assembly, the ice making and ice storage zones are partitioned, energy loss is reduced, and the ice making amount is improved; meanwhile, the situation that the temperature in the ice storage box fluctuates when the ice machine starts to heating for deicing, and accordingly the storage of ice blocks is influenced can be avoided; and the ice making and ice storage zones are partitioned, the temperature of an ice storage chamber is relatively high, a bubble layer around the ice storage chamber can be thinned, the size of the ice storage chamber is increased, and thus the ice storage amount is increased.

The invention provides a body fluid collection device for a clinical laboratory, and relates to the technical field of body fluid collection, the body fluid collection device comprises a base, the main body of the base is a box body structure, the top end face of the base is fixedly connected with a cover plate, the top end of the cover plate is provided with a round hole, the round hole formed in the top end of the cover plate is used for a test tube to pass through, and the top end face of the cover plate is further provided with an annular groove; cleaning cotton is embedded in an annular groove formed in the top end of the cover plate and is used for cleaning the outer wall of the test tube, so that the problem that in the prior art, due to differentiation of collected persons, it is difficult to ensure that enough samples are provided for use when the samples are provided, and then follow-up inspection work is affected is solved; by arranging cleaning cotton, the problem that external impurities enter the base to pollute the base and a sample is avoided, and by means of the design, the problem that cross infection is easily caused due to the fact that body fluid of a patient makes contact with a user due to the fact that a test tube makes direct contact with manual work can be effectively solved.