40results about How to "Regulating capacity" patented technology

The invention discloses a material sampling device for product quality detection, comprising an outer sleeve and an inner sleeve, wherein one sealed end on the outer sleeve is in threaded connection with the bottom part of a taper head, and the other end of the outer sleeve is fixedly connected with a handle; a sampling window is arranged on the outer sleeve along the bus direction, and the sealing end of the inner part of the outer sleeve is fixedly connected with one end of a link rod; the link rod crosses through the center of the inner sleeve, and the other end of the link rod is fixedly connected with a top block; the outer wall of the inner sleeve is connected with a sampling separation blade, a sampling cabin is arranged between the sealing ends of the inner sleeve and the outer sleeve. Through rotating the inside thread, the inner sleeve is driven to stretch; the volume of the sampling cabin can be accurately and conveniently adjusted through the scale, thereby improving the sampling precision in sampling, avoiding the insufficient and excessive extraction of the sample volume, and saving products. The invention further discloses a using method of the material sampling device for product quality detection.

The invention discloses a method for reducing the energy consumption of a base station. The method is characterized by including the steps that a working mode and a power supply source of the MBS are selected according to a current MBS energy value, wherein the working mode is communication or hibernating, and the power supply source comprises a power grid and an energy collecting device; working modes and power supply sources of SAPs are selected according to current SAP energy values and numbers of the adjacent SAPs, wherein the working modes of the adjacent SAPs are communication. Compared with the prior art, the method for reducing the energy consumption of the base station has the advantages that due to selection of the base station modes based on dual-threshold judgment and the power supply sources, the consumption of the electric quantity of the power grid can be reduced under the condition that the network coverage and the QoS of terminal users are effectively guaranteed. By means of the method, the capacity of a battery for storing the energy of the power grid is further adjusted according to the activity probability of the MBS / SAP so as to achieve the further energy-saving aim.

A multi-stage rotation compressor for saving electric energy is composed of casing, driver unit in said casing, the first and the second compression units, the first suction tube of the first compression unit, the second suction tube of the second compression unit, control valve in the first suction tube, the second exhaust valve for the second compression unit, a cavity for temporary storage of cold medium exhausted from the second compression unit, cold medium channel between said cavity and the first compression unit, and regulator for cold medium channel.

The invention discloses a variable volume mining excavator bucket which comprises a hopper body. The hopper body comprises a rear baffle on the rear portion, side baffles located on the left side and the right side of the rear baffle, and a bottom plate connected with the rear baffle and the side baffles on the two sides. A plurality of bucket teeth are arranged at the front end of the bottom plate, an adjusting plate is arranged in the hopper body in a sliding mode in the front-and-back direction, and a locking mechanism for locking the adjusting plate and the rear baffle to at least two working positions is arranged between the adjusting plate and the rear baffle. The volume of the bucket is adjusted by changing the distance between the adjusting plate and the rear baffle, the change that multiple volumes are achieved on one bucket is achieved, and the use range is wide.

The invention discloses an external-use unguent quantitative extruding device and relates to the technical field of medical instruments. The technical effect of avoiding unguent waste is achieved. The device comprises a pipe cover, a push rod and an unguent storing chamber which is fixed to the pipe cover; an unguent quantitative outlet is formed in the left end of the unguent storing chamber; anunguent extruding inlet of the lower left portion of the unguent storing chamber is in butt joint with an outlet of a one-way valve of the upper portion of the pipe cover; a piston which can slide leftwards and rightwards, a quantitative adjusting block and a spring which is used for driving the quantitative adjusting block to move leftwards are disposed in the unguent storing chamber; a rod bodyof the push rod penetrates through a passing hole in the quantitative adjusting block; the left end of the push rod is fixedly connected with the piston; the right end of the push rod extends to theexterior of the unguent storing chamber; an adjusting clamping pin which can move up and down is disposed on the unguent storing chamber; a plurality of adjusting clamping grooves which are distributed at intervals in sequence from left to right are formed in the quantitative adjusting block; and the adjusting clamping ping is inserted into any one of the adjusting clamping grooves so that the quantitative adjusting block and the adjusting clamping pin can be mutually fixed. By means of the device provided by the invention, unguent can be quantitatively extruded according to the using demands.

The invention belongs to the technical field of medical instruments, and particularly relates to a pharmaceutical spraying preparation liquid mixing device which comprises a bottom plate; a shell is fixedly connected to the bottom plate, a liquid mixing device is arranged on the upper surface of the shell, and the liquid mixing device comprises a medicine storage box and a quantitative box which are fixedly connected with the shell; the bottom of the medicine storage box is fixedly connected with a first guide pipe, the other end of the first guide pipe is fixedly connected with the quantitative box, a medicine outlet is formed in the quantitative box and fixedly connected with a second guide pipe, and the second guide pipe is fixedly connected with a water pump; a shaking-up device is further arranged on the shell and comprises a shaking-up box, the second guide pipe is fixedly connected with the shaking-up box, and the shaking-up box is further fixedly connected with a third guide pipe; and a stirring device is further arranged on the shell, the stirring device comprises a stirring box fixedly connected with the shell, and the third guide pipe is fixedly connected with the stirring box, so that the problems that in the prior art, the proportion of mixed liquid medicine cannot be adjusted, the shaking and stirring effect is poor, and operation is troublesome are effectively solved.

The invention discloses a preparation method of a transitional metal oxide / carbon nanotube porous composite negative electrode material. The preparation method comprises the steps of performing functionalization of carbon nanotubes, performing preparation of a transitional metal oxide / carbon nanotube precursor, performing preparation of the transitional metal oxide / carbon nanotube porous compositenegative electrode material, and the like. By virtue of the transitional metal oxide and the carbon nanotubes with high conductivity, a carbon nanotube embedded transitional metal oxide hollow spherical structure is formed, so that a three-dimensional conductive network is formed, thereby taking full advantages of high specific capacity of the transitional metal oxide and excellent conductivity of the carbon nanotubes, and obtaining the high-rate and high-cycle-stability negative electrode material.

The invention discloses a bottle cap capable of achieving quantitative medicine liquid taking. The bottle cap comprises a bottle cap body; a liquid storage barrel is fixedly connected to the inner bottom wall of the bottle cap body, and the inner wall, close to the upper end, of the interior of the liquid storage barrel is fixedly connected with a fixing plate; the fixing plate is provided with anopening in a penetrating mode, and the upper end of the fixing plate is connected with a blocking mechanism capable of blocking the opening; the blocking mechanism comprises a rotary plate rotationally connected to the upper end of the fixing plate, the side wall of the rotary plate is fixedly connected with a sealing plate corresponding to the opening, and a first magnet is fixedly connected tothe side wall of the rotary plate; the side wall of the bottle cap body is sleeved with a rotary ring capable of being rotated; a second magnet which is in heteropolar attraction with the first magnetis embedded in the inner wall of the rotary ring; and the liquid storage barrel is internally provided with an adjusting mechanism capable of controlling the liquid storage capacity of the liquid storage barrel. According to the bottle cap, during medicine liquid taking, medicine liquid can be quickly and quantitatively taken, and in addition, according to the different requirements for the single-time medicine liquid taking quantity of different kinds of medicine liquid, the storage capacity of the liquid storage barrel is adjusted and preset.

The invention discloses a vertical heat preservation water tank. The vertical heat preservation water tank comprises a box body, three partitioning devices, a plurality of electric heating devices, two temperature sensors and a liquid level sensor. The box body is partitioned into a first cavity, a second cavity, a third cavity and a fourth cavity from bottom to top in sequence through the three partitioning devices respectively. The second cavity can be communicated with the first cavity or the third cavity in use according to setting of a user. The electric heating devices are arranged at the lower end in the third cavity and the lower end in the fourth cavity respectively. The number of the electric heating devices in the third cavity is larger than that of the electric heating devices in the fourth cavity. The two temperature sensors are arranged in the third cavity and the fourth cavity respectively and located above the electric heating devices. The liquid level sensor is arranged at the lower end in the fourth cavity. The vertical heat preservation water tank has the beneficial effects of being low in energy consumption, high in energy efficiency, stable in outlet water temperature, capable of providing hot water continuously, convenient to use, high in comfort and the like.

The invention relates to a dry-type hollow parallel capacity regulating reactor used for compensation of capacity current of long distance transmission line, belonging to the reactive power compensation device technical field. The reactor comprises an installation base plate, a first high voltage insulator and a primary coil; wherein the first high voltage insulator is connected with the installation base plate, and the primary coil is arranged on the first high voltage insulator. The primary coil is fixedly connected with a secondary coil by a screw and a nut, the secondary coil is arranged above the primary coil, and an adjustable gib with scales is arranged between the primary coil and the secondary coil; the primary coil and the secondary coil are connected in series, the terminal arranged at the primary coil is an outlet terminal, the terminal arranged at the secondary terminal is an inlet terminal, and the inlet terminal and the outlet terminal are all arranged on an aluminum current conducting electrode arm. The invention can obtain different required inductances when a load changes; the capacity of the reactor can change correspondingly along with the change of capacity current of a power supply system; and use and installation are convenient and capacity regulating of a reactor can be realized by regulating the adjustable gib on the reactor.

The invention belongs to the technical field of trash cans, and particularly relates to a trash can. The trash can comprises an inner barrel and an outer barrel which are matched with each other, the inner barrel is hollow and movably arranged in the outer barrel, the outer side wall of the inner barrel is provided with at least one abutting piece, the side wall of the outer barrel is provided with a sliding groove for the abutting piece to move, the inner barrel can move vertically relative to the outer barrel under the action of the abutting piece and the sliding groove, and the side edge of the sliding groove is provided with at least one limiting part for the abutting piece to stay. The trash can is simple and stable in structure, adjustable in capacity and convenient to operate.

The invention relates to the technical field of powder subpackaging, and particularly provides anti-leakage powder quantitative subpackaging equipment. The anti-leakage powder quantitative subpackaging equipment comprises a hopper, the hopper is provided with a discharging channel and an equipment channel, the discharging channel communicates with the equipment channel, a rotary drum is arranged in the equipment channel, a metering groove is formed in the circumferential surface of the rotary drum, a sliding sleeve is arranged on the outer wall of the rotary drum in a sleeving mode, and a discharging opening is formed in the circumferential surface of the sliding sleeve; and an adjusting device comprises an adjusting screw rod, two nuts, two connecting rods, a top plate and a groove block,the groove block is slidably installed in the metering groove, the top plate is fixed to the lower surface of the groove block, the two ends of the connecting rods are hinged to the nuts and the topplate correspondingly, the nuts are installed on the adjusting screw rod, and a power device is connected with the rotary drum. Quantitative taking of the hopper is achieved through the hopper and themetering groove formed in the rotary drum, meanwhile, an adjusting mechanism capable of adjusting the capacity of the metering groove is further arranged in the metering groove, and thus, when quantitative taking of powder in different quantities is needed, the capacity of the metering groove can be adjusted to meet the requirements.

The invention relates to a feeding device, and especially relates to a poultry feeding device for livestock breeding. The poultry feeding device can prevent feed from being eaten by wild birds. The poultry feeding device includes a base plate, a feed storage barrel, a barrel cover, food box mechanisms and discharging mechanisms; an installation frame is connected in the middle of the base plate; the feed storage barrel is connected to the installation frame; the barrel cover is placed on the feed storage barrel; the food box mechanisms are installed on the base plate; and the discharging mechanisms are installed between the food box mechanisms and the feed storage barrel. Poultry can be fed through the mutual cooperation of the food box mechanisms and the discharging mechanisms; the food box mechanisms can prevent the feed from being eaten by the wild birds; the poultry can drink water through water box mechanisms, and the water box mechanisms can prevent the water from being drunk bythe wild birds; and loading amount adjusting mechanisms can adjust the capacity of the feed stored in the food box mechanisms.

The invention discloses a clinker chain conveyer, comprising a rack, a fixing base, a guiding frame, a first hydraulic cylinder, a driven wheel, a driving wheel, a driving motor, carrying rollers, a second telescopic column, a second hydraulic cylinder, lower supporting rollers, a hydraulic controller, a hydraulic pump aggregate, and a chain belt. The rack is integrally connected with the fixing base. The left end and the right end of the fixing base are provided with length adjusting devices. The length adjusting device comprises the guiding frame, the first hydraulic cylinder, and a first telescopic column. Compared with the prior art, beneficial effects of the clinker chain conveyer are that design is rational, the clinker chain conveyer is provided with the length adjusting devices and can change length of conveyed materials, and can adjust conveying length at will when having requirement on conveying length. Through changing length of conveyed materials, capacity of materials placed on the clinker chain conveyer is adjusted, so material conveying is more convenient and flexible.

The invention provides a portable cleaning dosing device for anorectal nursing. The portable cleaning dosing device comprises a shell, a telescopic tube, a top shell, a pressurizing piece and a spraying cover; a base is fixed at the lower end of the shell; the lower end of the telescopic pipe is hermetically connected with the upper end of the shell; the lower end of the top shell is hermetically connected with the top end of the telescopic pipe; the pressurizing piece is fixed on the top shell; the spraying cover is positioned above the top shell; when the device is used, liquid medicine is stirred through the stirring mechanism, the liquid medicine is heated through the heating pipe, the interior of the device is pressurized through the pressurizing piece, the liquid medicine in the device is sprayed to a wound by pressing down the spraying cover, the situation that a cotton swab makes direct contact with the skin and accordingly nerves are stimulated is avoided, the liquid medicine is mild through the arrangement of the heating pipe, and the recovery effect of the wound is improved; and by rotating an adjusting knob on the adjusting plate, the adjusting plate moves up and down, the length of the telescopic pipe is adjusted through movement of the adjusting plate, the volume of the device is adjusted, the volume of the device is matched with the amount of needed liquid medicine, waste of the liquid medicine is avoided, and use is convenient.

The invention discloses a production line for thick and solid environment-friendly cosmetic bottles. The production line comprises a production line body, the production line body comprises a production workbench, a conveying belt and cosmetic bottle bodies, a control panel is fixedly installed on the front face of the production workbench, and the conveying belt is rotationally installed in the production workbench; and a fixed table is fixedly mounted at the top end of the production workbench, and a filling box is fixedly mounted at the top end of the fixed table through a quantifying mechanism. According to the production line, the quantifying mechanism is arranged, a push-pull plate slides to the position below a liquid outlet pipe for shielding, liquid at an edge opening of the liquid outlet pipe can be adsorbed by a water absorption sponge, so that the cosmetic bottle bodies and the conveying belt can be kept clean and tidy, and the cleaning burden of workers is reduced; and a screw rod is rotated, a threaded block is driven to slide in a second sliding rail, an air cylinder is driven to move, and a piston moves back and forth in a hollow pipe, so that the quantitative filling capacity can be adjusted according to the sizes of the different cosmetic bottle bodies.

The invention relates to the technical field of medical instruments and equipment, and discloses clinical gas purification device manufactured by high-end equipment for anesthesia department, which comprises a frame body, clamping rods are hinged to the left end and the right end of the frame body, and electromagnets are fixedly connected to the side, close to the centers of the clamping rods, ofthe frame body. Magnets are fixedly connected to the upper sides and the lower sides, close to the electromagnets, of the clamping rods, and a fixed support is fixedly connected to the right end of the top of the frame body. According to the clinical gas purification device manufactured by the high-end equipment for anesthesia department, the relative distance between the movable seats is changedby rotating a screw rod, and the suction volume of the air bag is limited by the heights of the limiting blocks on the upper side and the lower side, so that the effect of adjusting the anesthetic gaspurification capacity is achieved; the intermittent circuit of a connection board is connected by touching a ball, the clamping and loosening actions of the clamping rod are repeated, and through cooperation of an elastic rod and an air bag, anesthetic gas is purified one by one, foreign gas of the anesthetic gas is purified, and the purification capacity of the equipment is improved.

The invention discloses a material sampling device for product quality detection, comprising an outer sleeve and an inner sleeve, wherein one sealed end on the outer sleeve is in threaded connection with the bottom part of a taper head, and the other end of the outer sleeve is fixedly connected with a handle; a sampling window is arranged on the outer sleeve along the bus direction, and the sealing end of the inner part of the outer sleeve is fixedly connected with one end of a link rod; the link rod crosses through the center of the inner sleeve, and the other end of the link rod is fixedly connected with a top block; the outer wall of the inner sleeve is connected with a sampling separation blade, a sampling cabin is arranged between the sealing ends of the inner sleeve and the outer sleeve. Through rotating the inside thread, the inner sleeve is driven to stretch; the volume of the sampling cabin can be accurately and conveniently adjusted through the scale, thereby improving the sampling precision in sampling, avoiding the insufficient and excessive extraction of the sample volume, and saving products. The invention further discloses a using method of the material sampling device for product quality detection.

The invention relates to a stirring mixing device, more specifically to a new material stirring and mixing device comprising a cover, a stirring barrel, a bracket, a stirring device I and a stirring device II, the capacity of the stirring barrel can be adjusted, the stirring device I is selected for use according to the amount of to-be-stirred materials, and the height of a stirring rod can be adjusted. The cover is screwed to the upper end of an inner cylinder; the bracket is fixedly connected to the side of an outer cylinder by welding; a gear is clearance-fitted with a gear groove I and a gear groove II, and the gear meshes with a transmission gear; the upper end of a shaft rod is connected in a circular groove I and a circular groove III by bearings; a rectangular rod is in clearance fit with a circular hole; a rectangular clamping block is in clearance fit with a circular groove II, and the rectangular clamping block is in clearance fit with a rectangular groove, and the rectangular clamping block is in clearance fit with a rectangle clamping groove; a motor bracket is fixedly connected to the lower end of the inner cylinder by welding.

The invention discloses a dual-mode self-adaptive automatic fertilizer applicator which comprises a rack, and a fertilizer box, a fertilizer conveying system and a fertilizer discharging system which are sequentially connected from top to bottom are arranged on the rack. The dual-mode self-adaptive automatic fertilizer applicator adopting the technical scheme is simple and compact in structure and easy to operate, can be carried on walking equipment such as a trolley and a small crawler, and is particularly suitable for mountainous and hilly landforms; in addition, the capacity of a fertilizer storage tank can be adaptively adjusted on line, and accurate and quantitative fertilization is achieved; and moreover, the fertilizing mode can be switched, and a direct furrow fertilizing or throwing fertilizing mode can be selected according to actual needs, so that the fertilizing effect is improved, the requirements of different types of fertilizers are met, and the application range is further widened.

The invention relates to a scroll compressor and a control method thereof. The scroll compressor provided by the invention comprises: a scroll assembly, a motor, a bypass device, and a control device,wherein the scroll assembly comprises a fixed scroll and a movable scroll cooperating with each other to compress working fluid; the fixed scroll comprises a first fixed scroll blade, the movable scroll comprises a first movable scroll blade, and the first fixed scroll blade and the first movable scroll blade cooperate to define a first compression chamber group; the motor drives the scroll assembly to operate by a rotating shaft; the bypass device is configured to selectively communicate one or more compression chambers of the first compression chamber group with a suction pressure region ofthe scroll compressor; the control device is configured to control the motor and the bypass device, so that the bypass device is turned on before or when starting the motor. The invention further provides a corresponding control method of the scroll compressor.

The invention relates to a heat exchanger performance testing device for air conditioning. The device solves the problems of high cost of performance test and complex testing process of the prior heatexchanger for air conditioning. The device comprises two refrigeration compressors connected in parallel, the outlets of the two refrigeration compressors are communicated with a condenser, the condenser is communicated with a subcooler, the subcooler is connected with a heater, an evaporator is connected at the other end of the heater, and the evaporator is communicated with the inlets of the two refrigeration compressors connected in parallel; regulating valves are connected on the two refrigeration compressors connected in parallel in parallel; exhaust temperature measuring points and exhaust pressure measuring points are arranged at the outlets of the two refrigeration compressors connected in parallel, and suction temperature measuring points and suction pressure measuring points forthe refrigeration compressors are arranged at the inlets of the two refrigeration compressors connected in parallel; and temperature and pressure measuring points are also respectively arranged on other pipelines. The invention has the advantages that firstly, the wide-range stepless regulation for the capacity of the tested heat exchanger is realized, and the electric control is easy to realize;and secondly, the capacity of the tested heat exchanger can be adjusted within a small range.

The invention discloses a vertical heat preservation water tank. The vertical heat preservation water tank comprises a box body, three partitioning devices, a plurality of electric heating devices, two temperature sensors and a liquid level sensor. The box body is partitioned into a first cavity, a second cavity, a third cavity and a fourth cavity from bottom to top in sequence through the three partitioning devices respectively. The second cavity can be communicated with the first cavity or the third cavity in use according to setting of a user. The electric heating devices are arranged at the lower end in the third cavity and the lower end in the fourth cavity respectively. The number of the electric heating devices in the third cavity is larger than that of the electric heating devices in the fourth cavity. The two temperature sensors are arranged in the third cavity and the fourth cavity respectively and located above the electric heating devices. The liquid level sensor is arranged at the lower end in the fourth cavity. The vertical heat preservation water tank has the beneficial effects of being low in energy consumption, high in energy efficiency, stable in outlet water temperature, capable of providing hot water continuously, convenient to use, high in comfort and the like.

In order to achieve the purpose, the cake paper tray processing equipment and the using method thereof are achieved through the following technical scheme that the cake paper tray processing equipment structurally comprises a rack, a cutting device, a draught fan, a cutting table, a pressing table, a bearing plate, a pressed table, a moving table, a telescopic pipe, a collecting device and a mechanical arm; the cutting device is located on one side of the rack, the cutting table is located on one side of the cutting device, the fan is located on one side of the cutting table, the pressing table is located on one side of the cutting table, the rack can conduct circular or square cutting on raw materials through the cutting device, the raw materials are adsorbed and fixed through the cutting table, and paper scraps on the cutting table are cleaned through the fan. The raw materials on the pressed table are pressed down and molded through the pressing table, the cutting table is moved through the moving table, the pressed and molded raw materials are guided through the telescopic pipe, packaging bags are stored through the collecting device, and the packaging bags are clamped through the mechanical arm.

According to the composite floor production process capable of improving the production efficiency, two collecting frames are arranged on one side of a discharging conveying belt, an adjusting mechanism is arranged between the two collecting frames, a bottom plate is arranged below a cross cutting saw body, and supporting mechanisms are arranged on the two sides of the bottom plate; the adjusting mechanism comprises two fixing plates, two adjusting plates, two bearing plates, two gears, a plurality of gear teeth, a sliding block, two limiting teeth, a screw rod and an adjusting frame, the adjusting plates are fixedly connected with the fixing plates, and the gears are rotationally arranged in the bearing plates. By means of the arrangement mode that the collecting frames, the fixing plates, the adjusting plates, the bearing plates, gears, gear teeth, sliding blocks, limiting teeth, screws and adjusting frames are matched, the distance between the two collecting frames is adjusted through the adjusting plates, the positions of the gears are limited through the limiting teeth, the capacity of the collecting frames can be adjusted easily, and the collecting efficiency is improved. And therefore, the plate containing capacity can be adjusted conveniently, and resources can be saved conveniently.

The invention relates to the technical field of powder packaging, and specifically provides a leakage-proof powder quantitative packaging equipment, including a hopper, the hopper is provided with a feeding channel and an equipment channel, the feeding channel and the equipment channel are connected, and the drum is arranged in the equipment channel , There is a metering groove on the peripheral surface of the drum, the sliding sleeve is set on the outer wall of the drum, and a feeding port is opened on the peripheral surface of the sliding sleeve. The adjusting device includes an adjusting screw, two nuts, two connecting rods, and a top plate. And the tank block, the tank block is slidably installed in the metering tank, the top plate is fixed on the lower surface of the tank block, the two ends of the connecting rod are respectively hinged with the nut and the top plate, the nut is installed on the adjusting screw rod, and the power unit is connected to the drum. The quantitative use of the hopper is realized through the metering tank on the hopper and the drum. At the same time, the metering tank is also equipped with an adjustment mechanism that can adjust the capacity of the metering tank, so that when it is necessary to quantitatively take different amounts of powder, the metering can be done. The capacity of the tank is adjusted to meet demand.

The invention discloses a telescopic floating type medical care negative pressure drainage device which comprises a telescopic mechanism. The telescopic mechanism is additionally arranged at the bottom of the liquid storage tank, the lower screw hole plate and the floating tank are driven to float up and down by rotating the driving screw rod, and meanwhile the telescopic ring body is driven to stretch out and draw back, so that the volume of the bottom of the liquid storage tank is adjusted, volume adjustment is achieved, and use is more flexible.

The invention provides a urine catheterization bag for the Urology Department for medical use. The urine catheterization bag comprises a plurality of urine storage units connected in sequence, and each urine storage unit comprises a urine catheterization bag body, a urine catheter arranged at the top of the urine catheterization bag body, an evacuating catheter arranged at the bottom of the urine catheterization bag body and a control valve arranged on the evacuating catheter; the end, protruding out of the urethral catheterization bag body, of the urethral catheter is a urine inlet end, the end, extending into the urethral catheterization bag body, of the urethral catheter is a first connecting end, the end, protruding out of the urethral catheterization bag body, of the evacuating catheter is a urine outlet end, and the end, extending into the urethral catheterization bag body, of the evacuating catheter is a second connecting end; and the first connecting end and the second connecting end of the same urine storage unit can be fixed in an inserted mode, and the urine outlet end of the upper urine storage unit and the urine inlet end of the lower urine storage unit can be fixed in an inserted mode. When in use, different numbers of urine storage units are communicated according to the situation, and waste of the urine storage units can be reduced while the applicability of the urethral catheterization bag is improved.