40 results about "Interval distribution" patented technology

The utility model relates to the technical field of morchella esculenta production, and discloses a morchella esculenta culture shelf which comprises two supporting plates which are distributed up and down at an interval and a side shelf with the two ends fixedly connected with the supporting plates, culture assemblies for placing morchella esculenta stock seeds are arranged between the supporting plates, and the two culture assemblies are arranged in a front-and-back symmetry mode. The two culture assemblies are supported and fixed through the supporting assemblies and the supporting plates. The stock culture shelf has the advantages that a one-groove culture mode is adopted, the placing space of the culture shelf is reasonably utilized, stock seeds cannot be stacked when placed and cultured, taking out or placing operation of each stock seed becomes simple and fast, meanwhile, the air circulation on the shelf is guaranteed, and meanwhile the culture shelf is convenient to use. And the hypha development condition of the stock seeds can also be visually observed, so that the stock seeds are convenient to culture, load and take, and the orderliness and efficiency of production are improved.

The automatic concrete fishing bucket comprises an inner cylinder and an outer cylinder which are coaxially arranged in a sleeving mode and can rotate relatively, and slurry inlets distributed in the circumferential direction at intervals are formed in the bottoms of the inner cylinder and the outer cylinder; a shaft hole is formed in the center of the bottom of the outer cylinder, a shaft penetrating through the shaft hole is arranged in the center of the bottom of the inner cylinder, a hoop abutting against the bottom of the outer cylinder is arranged on the shaft in a sleeving mode, the hoop is provided with a shifting rod, and the shifting rod is located between the two adjacent guide plates to shift the outer cylinder to rotate, so that the slurry inlets of the inner cylinder and the outer cylinder are opened and closed. The slurry inlets are overlapped or staggered through relative rotation of the inner cylinder and the outer cylinder, the guide plate guides concrete to smoothly enter the inner cylinder, and the efficiency is improved; the hoop prevents the outer cylinder from being axially disengaged; during forward rotation, the slurry inlets coincide to achieve continuous feeding, during reverse rotation, the slurry inlets are staggered and completely closed, concrete leakage in the lifting process is prevented, pile head concrete cleaning is achieved, and the construction efficiency is improved.

The utility model discloses a medicine bottle distributing device which comprises a star-shaped bottle distributing wheel, a rotating shaft and a magnetic coupler. A plurality of notches distributed at equal intervals are formed in the outer circumference of the star-shaped bottle distributing wheel, and the star-shaped bottle distributing wheel has a rotating state and a static state; the rotating shaft penetrates through the central position of the star-shaped bottle separating wheel and moves synchronously with the star-shaped bottle separating wheel; the magnetic coupler is connected with the rotating shaft; when the number of the medicine bottles in the medicine bottle queue reaches a preset value, the star-shaped bottle distributing wheel is in a rotating state under the thrust action of the medicine bottle queue, and when the number of the medicine bottles in the medicine bottle queue does not reach the preset value, the star-shaped bottle distributing wheel is in a static state under the action of the magnetic coupler. By means of the design, the phenomenon that when the number of the medicine bottles in the medicine bottle queue does not reach the preset numerical value due to shutdown of the conveying line, the medicine bottles continue to approach the star-shaped bottle separating wheel due to the inertia effect, and consequently the medicine bottles pass through the star-shaped bottle separating wheel is effectively avoided, the distance between the separated medicine bottles is not affected, and the bottle separating effect is improved.

The utility model relates to the technical field of gears, in particular to a gravity center eccentric gear which comprises a gear body and gear teeth distributed at intervals in the circumferential direction of the gear body, a shaft hole used for installation of a transmission shaft is formed in the center of the gear body, a hub surrounding the shaft hole is formed in the middle of one side of the gear body in a protruding mode, and an offset groove is formed in the end face of at least one side of the gear body. The offset grooves are used for changing the weight ratio uniformity during rotation of the gear, so that the center of the gear deviates from the central axis of the gear during rotation, the rotation gravity center of the gear is changed by directly forming the offset grooves in the gear body, unbalanced force and vibration generated during deflection transmission are counteracted, the gear is convenient to prepare, and materials for manufacturing the gear are reduced.

The utility model discloses a multi-finger independent driving type mechanical arm which comprises a finger assembly, a driving assembly and a driving assembly. The finger assembly comprises a plurality of at least two fingers distributed at intervals in the height direction. The grading transmission assembly comprises a plurality of supports corresponding to the finger assemblies, each support comprises a first end and a second end, the first ends are arranged on the same horizontal datum plane in a coplanar mode, the second ends are located at different height levels respectively, and the second end of each support is connected with the corresponding finger; the driving assembly comprises a plurality of driving sources which are horizontally arranged on the same mounting plane side by side, and the power output ends of the driving sources are located on the same horizontal plane and are in driving connection with the first ends of the corresponding supports; the driving force of the driving source is transmitted to the fingers at different height levels through the grading transmission assembly. By the adoption of the scheme, the thickness of the multi-finger independent drive type mechanical arm is reduced under the condition that the conveying capacity is guaranteed.

The utility model discloses a photovoltaic support for a refuse landfill, which comprises at least 2N strip-shaped foundations which are distributed at intervals along an inclined plane, two straining beams are arranged between adjacent strip-shaped foundations, and two ends of the adjacent strip-shaped foundations are respectively connected by the two straining beams; the buttresses are arranged at the two ends of the strip-shaped foundation; the bottom of the steel column is fixed on the buttress; the photovoltaic module is fixed at the top of the steel column; the anti-slip coefficient mu between the bottom of the foundation and the soil is increased by adopting the cast-in-place strip-shaped foundation, and the anti-slip coefficient mu meets the standard anti-slip requirement on the premise of not damaging the impermeable film at the bottom of the soil layer. The strip-shaped foundations are connected through straining beams to form a net-shaped structure. The rigidity of the whole structure is improved, the influence of uneven settlement of a site is reduced, and stability and safety are ensured.

The utility model provides a rotating disc type needle shaft grooving machine. Comprising a vertical rotating disc and a grooving cutter, wherein bearing grooves and an arc rolling surface are distributed on the circumferential surface of the rotating disc at equal intervals; the grooving cutter is arranged in front of the rotating disc; a cutting edge of the grooving cutter faces the circumferential surface of the rotating disc; the ejection mechanism is used for ejecting out the needle shafts in the bearing grooves so as to transfer the needle shafts to the arc rolling surface when the bearing grooves are sequentially rotated to the position of the cutting edge inlet end of the slotting tool by the rotating disc; the elastic buffer piece is arranged on the outer side of the circumferential surface of the rotating disc and is close to the inlet end of the cutting edge of the grooving cutter; and the elastic buffer piece is provided with a blocking surface which is closer to the circumferential surface of the rotating disc than the cutting edge. The utility model has the advantage that the cutting edge of the grooving cutter cannot be impacted and broken when the needle shaft is ejected out, and the service life of the grooving cutter can be prolonged.

The utility model discloses a classification weighing workbench of a fish processing production line, and relates to the technical field of fish processing, the classification weighing workbench comprises a workbench, the workbench is provided with a first conveying table, a material distributing structure, a second conveying table and a discharging assembly from left to right in sequence; a plurality of spacing plates which are distributed at intervals are arranged on the conveying table I; a weighing device and a classifying assembly are arranged on the portion, above the second conveying table, of the workbench, the weighing device and the classifying assembly are arranged in a spaced mode, and the weighing device is arranged on the side, close to the material distributing structure, of the workbench; the working end of the classification assembly is located above the second conveying table, and movement of the fishes on the second conveying table can be limited through the classification assembly so that the fishes can enter the discharging assembly from different positions on the second conveying table. The problems that in the prior art, when the fish yield is large, the labor intensity of workers is high and the workers are prone to fatigue after working for a long time in a manual fish classification mode, and the classification speed is very low are solved.

The utility model discloses a ball-end cutter which comprises a cutter handle and a cutter head, the cutter head is arranged at one end of the cutter handle, a first ball blade, a second ball blade and a third ball blade which are circumferentially distributed around the axis of the cutter head at intervals are arranged on the cutter head, the curvature radius of the first ball blade is 5mm, and the second ball blade comprises a first blade part and a second blade part which are connected with each other. The curvature radius of the first blade part is 2.9 mm, the curvature radius of the second blade part is 3.5 mm, the curvature radius of the third ball blade is 3 mm, and on the same cross section of the tool bit, the distance from the first ball blade to the axis of the tool bit is a first distance, the distance from the second ball blade to the axis of the tool bit is a second distance, and the distance from the third ball blade to the axis of the tool bit is a third distance. The first distance and the second distance are opposite to each other, a first difference value is formed between the first distance and the second distance, a second difference value is formed between the first distance and the third distance, in each cross section of the tool bit, the maximum value between the first difference values is between 0.14 mm and 0.18 mm, and the maximum value between the second difference values is between 0.2 mm and 0.25 mm. The ball-end cutter is long in service life.

The utility model provides a connecting ring for electric hammer, including annular body and the multiple first connecting parts of annular body outside circumference, the multiple first connecting parts are interval distribution between, and the annular body inside rotation setting has a plurality of needle roller along the circumference, the utility model discloses can improve the connecting stability and reliability of electric hammer connecting ring structure, prevent the connecting ring from heating and slipping.

The utility model relates to a switch button, which comprises a base and a button cap arranged on the base, the button cap can move between a first position and a second position which are distributed at an interval relative to the base along a first linear direction, and a first magnet and a second magnet are respectively arranged on the base and the button cap. When the keycap moves from the first position to the second position, the repulsive force between the first magnet and the second magnet is overcome, and the position of the second magnet relative to the keycap in the first linear direction is adjustable. The magnetic force serves as the reset force of the keycap, the magnetic force cannot be weakened or disappeared, and the situation that the keycap cannot be reset due to springback failure is avoided; the repulsive force can be adjusted according to the operation hand feeling requirement of the user, so that the hand feeling requirement of the user is met; even if the magnetic force of the first magnet and the second magnet is weakened, the repulsive force between the second magnet and the first magnet can be enough to reset the key cap by adjusting the position of the second magnet relative to the key cap, so that the service life of the key is prolonged.

The utility model discloses an extrusion die for copper bar production, which belongs to the technical field of extrusion dies and is characterized in that one end of an extrusion die body is fixedly connected with a mounting plate, the surface of the mounting plate is provided with mounting holes which are annularly distributed at equal intervals, one end of the extrusion die body is provided with a die hole, and one end of the die hole is provided with a working tape; according to the extrusion die for copper bar production, a flow guide nozzle can be additionally arranged at the discharging end of the extrusion die body through the connecting part arranged on the extrusion die body, and the stroke of a working belt is increased through a flow guide hole, so that the copper bar subjected to extrusion molding cannot be bent and wavy; and the flow guide coating is arranged on the inner wall of the die hole, the flow guide coating is a DLC coating, the hardness of the inner wall of the die hole can be greatly improved, meanwhile, the friction coefficient of the inner wall of the die hole is extremely low, deformation, abrasion and metal filing remaining of the die hole are avoided, and then the surface of the copper rod is prevented from being scratched and bruised.

The utility model discloses a kind of for microsurgery can be universal bending laryngeal forceps, including welding bending lever and connecting rod, the inner surface of bending lever is equipped with several interval distribution ring grooves, the front end of bending lever is welded with forceps head, connecting rod rear end is welded with handle head pipe, the inside of handle head pipe is provided with placing cavity, the front end of placing cavity is connected with connecting rod rear end, the rear end of handle head pipe is equipped with flushing hole, the front end of placing cavity is installed with piston column, the front end of piston column and the movable forceps tongue of forceps head are jointly connected with traction steel rope, the both ends between the outer surface of piston column are equipped with evenly distributed through slot, the front end of handle head pipe outside is provided with handle assembly. The utility model in the process of application operating personnel can be according to experience to bending lever corresponding radian, angle universal bending, to reduce the difficulty that operating personnel will laryngeal forceps smoothly stretch into to patient's throat, easy to operate, it is convenient to use.

The utility model discloses a turbine blade of gas turbine, including the cooling cavity chamber of multiple interval distribution from below to above inside turbine blade and multiple cooling channel that penetrates turbine blade from bottom to top for the cooling inside turbine blade of gas turbine, based on the design of turbine blade cooling channel and cooling cavity chamber of the utility model, cooling gas can enter from the port of turbine blade bottom cooling channel, from below to above fills different height cooling cavity in proper order, and flows out through the port of turbine blade top cooling channel, compared with the blade of traditional cooling channel, the interior heat exchange area becomes big, improves the cooling effect and gas turbine overall efficiency, can effectively promote the cooling performance, and can also give consideration to manufacturing feasibility and economy.

The utility model relates to the technical field of fans, and discloses an axial flow fan blade and a fan, the axial flow fan blade comprises a plurality of blade units distributed at intervals along the circumferential direction, each blade unit comprises: a first blade comprising a first blade root part, a first blade top part, a first front edge part, a first tail edge part, a first suction surface and a first pressure surface; and the second blade comprises a second blade root part, a second blade top part, a second front edge part, a second tail edge part, a second suction surface and a second pressure surface, and the second tail edge part is connected with the first front edge part. Each blade unit is composed of the first blade and the second blade, a double-blade fitting mode is adopted, the blade units are novel in structure and attractive in appearance, and the blade units are closer to petal shapes.

The utility model provides a toy gun with an improved structure, which comprises a gun body and a rotating wheel rotationally connected to the gun body, and further comprises a launching assembly, the rotating wheel is of a through hollow structure, a plurality of guide surfaces distributed at intervals are arranged on the inner wall of the rotating wheel in the circumferential direction, and the guide surfaces are arranged on the inner wall of the rotating wheel. Each guide face is obliquely arranged in the penetrating direction of the rotating wheel, and the multiple guide faces are arranged in parallel. The launching assembly comprises a piston rod which is arranged in the rotating wheel in the penetrating direction of the rotating wheel in a reciprocating motion mode, a shifting block is arranged on the inner wall, opposite to the rotating wheel, of the piston rod, and the shifting block can be sequentially matched with the multiple guide faces in the reciprocating motion process. The push rod is used for pushing the guide face to achieve rotation of the rotating wheel. According to the toy gun, the rotating wheel is controlled by the piston rod to rotate, the piston rod can drive the rotating wheel to rotate for corresponding times according to different shooting times, the toy gun can be widely applied to toy guns with pneumatic piston structures, and the use impression is better.

The utility model discloses an underwater propeller's no -shaft rotor structure, including inner shell, permanent magnet and blade, the inner shell is the pipe body that has the fluid passageway in the middle part, the permanent magnet is equipped with a plurality, and interval distribution along the outer peripheral wall of inner shell, the blade is equipped with a plurality, and locates the inner wall of inner shell, the blade extends from the inner wall of pipe body to the axle core. In actual design, still include the shell, wherein the shell is equipped with stator (magnetic inductance coil) and also presents the pipe body shape, and the shell is equipped with the drive passageway, and the inner shell is located in the drive passageway, and can rotate relative to the drive passageway, wherein the inner shell is the integral of rotation axis and rotor, can provide greater torque therefore, reduces the wear and tear, the inner extension setting of blade not only considers the water flow efficiency, but also considers the ability of foreign matter processing, even if the blade is hooked to the foreign matter in the operation process, also can not easily influence the normal rotation of rotor, effectively improves the rotor operation stability, also improves its service life (that is smaller wear and tear).

The utility model discloses a rear sub-frame and a vehicle. The rear sub-frame comprises at least one frame cross beam, at least one rear sub-frame and at least one rear sub-frame, the two vehicle frame longitudinal beams are distributed in the transverse direction of the vehicle at intervals, the at least one vehicle frame cross beam is connected between the two vehicle frame longitudinal beams, and at least part of each vehicle frame longitudinal beam is of an arch structure; wherein the arched structure is constructed to be arched upwards, so that an avoiding space is formed below the arched structure, and the avoiding space is used for avoiding a driving shaft of the electric drive assembly. According to the rear auxiliary frame disclosed by the embodiment of the utility model, the frame cross beam and the frame longitudinal beam are connected, so that the frame cross beam and the frame longitudinal beam can transmit and dissipate transverse force and longitudinal force together, the riding comfort of a vehicle can be improved, and the structural stability and the working reliability of the rear auxiliary frame can be improved; at least part of the frame longitudinal beam is constructed to be of the arch structure to form the avoiding space, interference between the frame longitudinal beam and the driving shaft of the electric drive assembly can be avoided, and therefore the working reliability of the frame longitudinal beam and the electric drive assembly can be improved.

The utility model discloses an automatic circulation powder supply device for binder spraying, a forming mechanism, two powder supply mechanisms and two powder recovery cylinders are collinear along an x axis and are distributed at intervals, the forming mechanism is positioned between the two powder supply mechanisms, and the powder recovery cylinders are arranged between the forming mechanism and each powder supply mechanism; a door cover used for covering an inlet of each powder recovery cylinder is hinged to the corresponding powder recovery cylinder, and the door covers can be driven by first air cylinders to rotate to be attached to the inner walls of the corresponding powder recovery cylinders so as to open the inlets of the corresponding powder recovery cylinders. The powder falling mechanism is connected to the rack through a third reciprocating linear motion driving mechanism and can reciprocate in the x-axis direction, the inlet end of the powder falling mechanism communicates with a vacuum feeding machine through a first telescopic pipe, and meanwhile the discharging end of the powder falling mechanism detachably communicates with an inlet of any powder supply mechanism. According to the utility model, powder can be supplemented without shutdown.

The utility model discloses an eyebrow pencil core, the front end surface of the eyebrow pencil core is an inclined surface, the side surface where the highest edge of the inclined surface is located is a fluctuating surface and is provided with a plurality of bulges and recesses which are distributed at intervals and extend along the length direction of the eyebrow pencil core, so that the highest edge of the front end surface forms a plurality of forked eyebrow drawing tips. According to the eyebrow pencil, due to the fact that the front end face of the eyebrow pencil core is the inclined face, and the side face where the highest edge of the eyebrow pencil core is located is the fluctuating face, a plurality of forked eyebrow drawing tips are formed on the highest edge of the front end face of the eyebrow pencil core, when the forked eyebrow drawing tips of the eyebrow pencil core make contact with skin, a plurality of fine eyebrow lines can be drawn at the same time, and then eyebrow drawing efficiency is improved.

The utility model belongs to the technical field of lifting appliances, and discloses an adjustable lifting appliance which is characterized in that two lifting appliance bodies of the adjustable lifting appliance are distributed at intervals along a first directional direction; the first rotary driving part is fixedly arranged on the lifting arm of one lifting appliance body, an output shaft of the first rotary driving part rotatably penetrates through the lifting arm of one lifting appliance body and is in transmission connection with the lifting arm of the other lifting appliance body, and the output shaft of the first rotary driving part can drive the lifting arm in transmission connection with the output shaft to rotate around a fixed axis; the first orientation is parallel to the fixed axis; the two translation driving assemblies of each lifting appliance body are symmetrically distributed on the two sides of the fixed axis, and the two lifting blocks of each lifting appliance body are arranged at the output ends of the two translation driving assemblies in a one-to-one correspondence mode. And each translation driving assembly can drive the corresponding hoisting block to translate along a second orientation, so that the two hoisting blocks of each sling body can be close to or far away from each other along the second orientation, and the first orientation is perpendicular to the second orientation. The adjustable lifting appliance is good in universality and high in adjusting efficiency.

The utility model discloses a tray braiding machine which comprises a machine table, a tray feeding mechanism is arranged on the machine table, a tray of the tray feeding mechanism is provided with tray material grooves distributed at intervals, the tray material grooves can be aligned with a feeding groove of a linear vibration feeder under the driving of a first moving assembly, and a material pushing plate pushes products into the feeding groove under the action of a second moving assembly. The linear vibration feeder is used for feeding the products to a feeding station; the turntable is provided with at least one suction nozzle assembly, comprises a suction nozzle, a gas circuit and a pneumatic control element, can adsorb a product and rotate clockwise, and is transferred to a discharging station of the track frame after being calibrated by a plurality of assemblies; the track frame is provided with a track groove, a material receiving disc on the machine table can wind a braid, a product sequentially passes through a detection station, a film laminating station and a hot pressing station along with the braid, and each station is provided with a detection assembly, a film pressing assembly and a heat sealing cutter assembly to complete corresponding operation. According to the tray braiding machine, orderly feeding is achieved through the tray feeding mechanism, the discharging stability and the product percent of pass are improved through multiple times of calibration of the rotating disc, and the product quality and the yield are improved through secondary detection before heat sealing.

The utility model discloses a tool for measuring the roundness of a casing type casting. The tool comprises an annular positioning table serving as a stress foundation; and the plurality of roundness detection columns are distributed on the annular positioning table in a circumferential array at intervals. The end portions of the plurality of roundness detection columns which are arranged at intervals in a circumferential array mode correspond to the casing type casting, the feeler gauge is plugged between the end portions of the roundness detection columns and the casing type casting, roundness deviation values, corresponding to the end portions of the roundness detection columns, of a plurality of positions of the periphery of the casing type casting are detected, and the roundness of the casing type casting which is integrally in a circular ring shape is detected.

A rack is provided with a placing table and a flower cutter, a fodder chopper is hinged to the rack, the flower cutter comprises a cutting ring and a plurality of blades extending outwards from the outer wall of the cutting ring, the blades are distributed at intervals in the circumferential direction of the cutting ring, the upper ends of the cutting ring and the blades are provided with cutting edges, and the cutting rings and the blades are used for placing jackfruits to be split. The pressing assembly comprises a pressing head located above the flower cutter and a wrench suitable for driving the pressing head to press the jack fruit to be split, so that the jack fruit to be split is split into a fruit core and fruit sections surrounding the fruit core by the flower cutter. Compared with the prior art, the to-be-split jackfruit can be split into a fruit core and a plurality of fruit petals by pressing once, so that the efficiency of splitting the jackfruit is improved; and the wrench is adopted to drive the pressure head, so that more labor is saved, and the subdivision efficiency is laterally improved.

The utility model discloses a fin structure and a radiator, relates to the power module heat radiation technical field, the fin structure comprises at least two layers of fins, the at least two layers of fins are laminated, the fins are provided with a plurality of flow channel holes distributed at intervals, in the two adjacent layers of fins, the flow channel hole of one fin is partially overlapped with the flow channel hole of the other fin, and the flow channel hole of the other fin is partially overlapped with the flow channel hole of the other fin. The two adjacent flow channel holes of one fin are connected in series through one flow channel hole of the other fin. According to the technical scheme provided by the utility model, the problem of large junction temperature difference of different positions of the power module can be improved.

The invention discloses a bucket wheel machine driving device and a using method, the bucket wheel machine driving device comprises a rotary driving case, and a rotary disc, two worm wheels and a speed reduction driving mechanism which are respectively arranged in the rotary driving case, a plurality of convex rods which are distributed at equal intervals are fixed on the rotary disc, the two worm wheels are distributed between two symmetrical side walls of the rotary driving case, and the convex rods are fixed on the rotary disc. The worm wheels are meshed with the convex rod, and the speed reduction driving mechanism is located between the two worm wheels; a sealing groove is formed in the inner wall of the rotary driving machine box, and a protruding edge is arranged at the edge position of the top end of the rotary disc and matched with the sealing groove. The driving device is tight in sealing and low in failure rate, the service life of equipment is prolonged, and a unit can operate safely and reliably.

The utility model discloses a unit type coal mining machine rocker arm which comprises a cutting roller, a plurality of cutting tool bits distributed at intervals along the rotating axis direction of the cutting roller, and a plurality of rocker arms arranged on the side wall of the cutting roller and distributed at intervals along the circumferential direction, the arm body is detachably and fixedly connected with a detachable mounting part, and the detachable mounting part is detachably connected with the cutting roller; and the driving assembly is fixedly connected with the detachable mounting part, is detachably and fixedly connected with the transmission mechanism, and is used for driving the transmission mechanism to drive the cutting roller and the coaling roller to rotate. According to the scheme, through the arrangement of the detachable mounting part, the single cutting roller can be assembled and disassembled, during daily maintenance or overhaul operation, the single cutting roller can be disassembled, the workload is smaller, and the efficiency is higher.

The utility model discloses a multichannel detection kit, specifically related to detection kit technical field, including the box body of upper and lower distribution, two box bodies are connected through the hinge, and the side of two box bodies is far away from each other and is equipped with a plurality of recesses of equal interval distribution, and each recess is equipped with test strip inside, and the side of two box bodies is far away from each other and is hinged with the cover plate, the outer wall of cover plate is equipped with the detection channel corresponding with a plurality of recesses, and each detection channel is connected with the flap inside, and the outer wall surface of each flap is equipped with rectangular groove, and the rectangular groove is equipped with frame and identification paper inside. The utility model discloses a plurality of detection channels on two box bodies can distinguish use, improve the detection efficiency, and utilize the flap protection test strip to improve the detection accuracy, and simultaneously, the detection personnel can use the identification paper and directly distinguish the test strip that has been used and has not been used, effectively avoid the detection deviation caused by repeated use, guarantee the standardization of detection operation, and can further improve the detection efficiency.