94 results about "Barrel Shape" patented technology

The utility model discloses a mushroom sample primary aluminum sampling and fixing device which comprises a bearing groove, the bearing groove is distributed in a round barrel shape with the upper end open and the lower end closed, three puller bolts are evenly arranged on the outer wall of the bearing groove, and the puller bolts penetrate through the bearing groove and are fixedly connected with the bearing groove through threads. And a handle is arranged outside the object bearing groove. According to the utility model, a sample is fixed in the object bearing groove, so that the aluminum skimmings can be conveniently drilled, free translation can be carried out according to the drilling condition, meanwhile, the aluminum skimmings can be prevented from falling out of the object bearing groove, the aluminum skimmings can be conveniently and uniformly collected, the use is convenient, the operation is simple, and the popularization is easy.

The invention discloses a liquid damping shock absorber which comprises an outer shell (6) and a middle shaft (2) and is characterized in that the outer shell (6) is in a barrel shape, the middle shaft (2) is installed at the bottom of the barrel through an axial supporting mechanism (14), a damping barrel is arranged in the outer shell (6) and installed on the middle shaft (2), and the damping barrel is of a cavity structure with an elastic gap in the lower bottom face. The upper end of the middle shaft (2) penetrates out of the center of an upper end cover (3) of the outer shell (6), damping liquid is contained in the outer shell (6), and the liquid level of the damping liquid is higher than the lower bottom face of the damping cylinder. According to the shock absorber, the damping liquid and the damping cylinder are organically combined, the damping cylinder extrudes the damping liquid when the shock absorber is subjected to an external load, vibration energy is counteracted through viscous dissipation and dynamic pressure generated by liquid shaking, gaps can be changed when pressure is received by the porous structure characteristics of the bottom of the damping cylinder, and the flow of the damping liquid penetrating through the gaps is influenced; therefore, the damping of the shock absorber is variable.

The utility model provides a grinding head quick-changing structure of an internal grinding machine, and belongs to the technical field of grinding machines. One end of the main shaft is connected with the chuck rod with the clamping end, the clamping end is arranged in a barrel shape, the outer side wall of the clamping end is provided with the clamping thread, the outer side wall of the clamping end is of the conical structure with the deformation grooves, the clamping thread is provided with the quick-release nut in a matched mode, and the quick-release nut is arranged on the outer side wall of the clamping end. Due to the fact that the nut is arranged on the clamping end, when one end of a clamping rod of the grinding head is inserted into the clamping end, the clamping rod can be clamped or loosened by screwing the nut, a polygonal inserting hole is formed in the barrel bottom of the clamping end, a polygonal inserting head is arranged at the end of the clamping rod, and circumferential limiting can be achieved by inserting the polygonal inserting head into the polygonal inserting hole. By means of the structure, the grinding head installation requirement can be met, synchronous rotation of the grinding head and the chuck rod can be achieved, only the quick-release nut needs to be screwed during disassembly and replacement, operation is easy, the replacement efficiency is higher, and the grinding head quick-release requirement is met.

The utility model discloses an aluminum ash harmless treatment device, and belongs to the technical field of aluminum ash treatment. The innocent treatment device is in a sealed barrel shape, a feeding port and an exhaust port are formed in the upper portion of the outer portion of the innocent treatment device, and the exhaust port is communicated with a gas treatment system. A heating device, a stirring device, an ultrasonic device and an aeration device are arranged in the sealed cylinder. Meanwhile, a liquid inlet and an aeration air inlet are formed in the side face of the sealed cylinder, and a discharging opening is formed in the lower portion of the sealed cylinder. According to the utility model, the ultrasonic device is coupled with the aeration device, so that the removal efficiency of harmful substances in the aluminum ash is effectively improved, the defect of the traditional aluminum ash treatment equipment in the removal efficiency aspect is overcome, and a more efficient and reliable device is provided for harmless treatment of the aluminum ash.

The utility model relates to pipeline anticorrosion technical field, especially a kind of cathodic protection test pile structure, including support pipe;Support pipe inside upper end is equipped with terminal block;The four terminal ends of terminal block back surface are respectively used to be connected with the four detection lines that go up into from the lower end of support pipe, and the two terminal posts of terminal block surface are respectively used to be connected with the terminal pen of multimeter;Support pipe upper end is equipped with the protection cover of barrel shape;The position of support pipe opposite terminal block surface is equipped with let position opening, and the position of protection cover opposite let position opening is equipped with operation opening and is hingedly installed with cover plate;It is equipped with mounting pipe in support pipe, and the inner peripheral wall of mounting pipe has two protruding blocks, and the mounting protruding block formed by protruding on the upper end both sides of terminal block is respectively hung and installed on protruding block;The utility model has the characteristics that terminal block can be more conveniently installed and disassembled, and better sealing effect can be achieved.

The utility model relates to the technical field of liquid degassing, in particular to a degassing device. The degassing device comprises a tank body, a plurality of groups of turntable assemblies and a driving mechanism, a feed port is formed in the upper end of the tank body, a discharge port is formed in the lower end of the tank body, and a rotating shaft extending vertically is arranged in the tank body; the rotating disc assemblies are arranged at intervals in the vertical direction, each rotating disc assembly comprises a dynamic dispersion disc and a static dispersion disc which are each in a conical barrel shape with an upward opening, and each dynamic dispersion disc is hollow in the middle and fixed to the rotating shaft; the static dispersion disc is positioned below the dynamic dispersion disc, is hollow in the middle and is spaced from the rotating shaft, and the periphery extends to the periphery of the dynamic dispersion disc and is fixed on the inner wall of the tank body; the driving mechanism is connected with the rotating shaft, drives the rotating shaft to rotate and drives all the dynamic dispersion discs to rotate, materials rotate to the periphery along with the dynamic dispersion disc at the topmost part to be dispersed, under the action of centrifugal force, liquid materials upwards generate liquid films along the inclined surfaces of the dynamic dispersion discs, liquid reciprocates on the dynamic dispersion discs and the static dispersion discs, and the vacuumizing device extracts gas in the tank body. And gas in the material can be removed.

The elastically-connected high-damping three-way shock absorber comprises an outer shell (6) and a middle shaft (2), the outer shell (6) is in a barrel shape, the middle shaft (2) is installed at the barrel bottom through an axial supporting mechanism (14), a cylindrical inner shell (10) is embedded in the outer shell (6), the inner shell (10) is connected with the middle shaft (2) through a horizontal connecting piece, and the upper end of the middle shaft (2) penetrates out of the center of an upper end cover (3) of the outer shell (6); the outer shell (6), the inner shell (10) and the middle shaft (2) are of a rigid structure, and the horizontal connecting piece, the upper end cover (3) and the axial supporting mechanism (14) are of an elastic structure. The three-direction vibration reduction capacity is achieved, and axial, radial and torsional vibration energy can be absorbed through the structural design of the upper-layer horizontal connecting piece, the middle-layer horizontal connecting piece and the lower-layer horizontal connecting piece.

The present invention relates to a vertical compressor and a laundry treating apparatus including the same, a vertical compressor driving motor including: a stator having a stator coil wound around a stator core, a rotor rotatably provided on an inner circumferential side of the stator, and a rotating shaft coupled to the rotor and rotating with the rotor; a compression unit provided on one side of the driving motor and provided with at least one compression part that operates under the action of the driving force transmitted through the rotating shaft and compresses the refrigerant; and a housing having an intermediate housing formed in a barrel shape and a cover inserted and coupled to an open end of the intermediate housing. The intermediate housing includes: a main body portion accommodating the drive motor and the compression unit; and a cap insertion part which is provided at one end of the main body part, into which the cap body is inserted, and which expands the tube in the radial direction of the rotating shaft. Thus, the height of the vertical compressor can be reduced, the space required for mounting the vertical compressor can be minimized, and the vibration of the vertical compressor can be reduced.

The utility model relates to the field of foundation engineering construction, in particular to a composite pile structure capable of firstly draining water and then reinforcing, which comprises a geogrid rolled into a barrel shape, a layer of geotextile fixed on the inner side surface of the geogrid, a grouting pipe vertically inserted on the inner side of the geotextile, a plurality of radial through holes arranged on the side wall of the grouting pipe at intervals, and a plurality of drainage holes arranged on the side wall of the grouting pipe. The surrounding area between the outer wall of the grouting pipe and the inner wall of the geotechnical cloth and the grouting pipe are filled with broken stones, cement mortar injected after soft soil drainage is poured into gaps among an inner cavity of the grouting pipe, the radial through holes and the broken stones, and the grouting pipe, the broken stones and the geotechnical cloth are fixed into a whole through the cement mortar. According to the composite pile, the soft soil strength can be improved, and the high strength of the composite pile can be fully utilized.

The utility model discloses a B-type liquefied gas storage tank. The B-type liquefied gas storage tank comprises a tank body shell, a tank body internal structure, a heat insulation layer and a tank bottom supporting mechanism. The tank body shell is in a cylindrical barrel shape. The internal structure of the tank body comprises two middle reinforcing frames, a plurality of vertical reinforcements, a plurality of horizontal strong and weak structure rings, a tank top reinforcing structure and a tank bottom reinforcing structure. The two middle reinforcing frames are located on the transverse center line and the longitudinal center line of the storage tank cavity in a one-to-one correspondence mode. A plurality of vertical strong structures are uniformly distributed and fixed on the inner wall surface of the side part of the tank body shell; a plurality of horizontal strong and weak structure ring edges are fixed on the inner wall surface of the side part of the tank body shell at intervals; the tank top reinforcing structure comprises a top inner annular reinforcing structure, a top outer annular reinforcing structure and a plurality of top radial reinforcing structures; the tank bottom reinforcing structure comprises a bottom inner annular reinforcing structure, a bottom outer annular reinforcing structure and a plurality of bottom radial reinforcing structures; the heat insulation layer covers the outer surface of the tank body shell; the tank bottom supporting mechanism comprises a bottom anti-swing / anti-tilting support and a plurality of bottom supporting seats. The utility model has the characteristics of uniform stress, easiness in processing and low cost.

The application provides a beverage machine, and belongs to the technical field of beverage equipment. The beverage machine solves the problem of how to improve the preservation effect of the beverage machine. The beverage machine comprises a machine body, a refrigeration inner container and a top cover, further comprises a cold conduction cover made of a metal cold conduction material and in a barrel shape, the cold conduction cover is located in the top cover and is arranged separately from the top cover, the barrel opening of the cold conduction cover faces downward and is fixedly connected with the top cover, the barrel opening end of the cold conduction cover is provided with a cold conduction part for conducting cold energy and in a ring shape, the barrel opening end of the cold conduction cover is inserted into the refrigeration inner container, and the outer circumferential surface of the cold conduction part is attached to the inner surface of the refrigeration inner container, and the cold conduction cover and the refrigeration inner container are combined to form a preservation cavity for accommodating the whole beverage barrel through the cold conduction part. Through the above design, the beverage machine can refrigerate the whole beverage barrel, thereby greatly improving the refrigeration speed, and the preservation effect is good, the cold energy loss is slow, and the preservation effect of the beverage machine is greatly improved.

The utility model discloses a liquid packaging paperboard, which belongs to the technical field of packaging paperboards and comprises an inner protective layer, a blocking layer, a supporting layer and a printing layer which are sequentially arranged. The side face, making contact with the blocking layer, of the supporting layer is in a wave shape, the blocking layer and the inner protection layer are both in a wave shape, and the wave-shaped face of the supporting layer comprises wave crest parts and wave trough parts which are clamped and matched with each other. Two groups of first convex edges are arranged at transverse sealing positions, corresponding to two ends, of the corrugated surface of the supporting layer, are respectively positioned on the upper-layer paperboard and the lower-layer paperboard at the joint of the cylindrical liquid packaging paperboard, and are distributed in a staggered manner. When the end opening of the liquid packaging paperboard folded into the barrel shape is sealed, the corrugated surfaces of the two attached layers of liquid packaging paperboards are embedded with each other, a corrugated sealing surface is formed at the attaching position, tight attaching at the edge sealing position is achieved structurally, and the bonding stability can be improved by being matched with bonding of the inner protection layer.

The utility model relates to the technical field of cable laying, in particular to an anti-falling combined device for vertical cable laying, which comprises supporting structures, the supporting structures are respectively mounted on the upper layer and the lower layer of a cable well, a height for buffering falling of a cable is reserved between the supporting structure positioned on the lower layer and the bottom of the cable well, and each supporting structure comprises two supporting frames; supporting rods are fixed to the opposite sides of the supporting frames, and connecting blocks are fixed to the free ends of the two supporting rods. The cable ring is fixed between the two connecting blocks of the upper-layer supporting structure, a rope is fixed to the bottom of the cable ring, a gravity hammer is fixed to the rope, and a through hole is formed in the gravity hammer; the two valves are in a semi-barrel shape, the outer sides of the two valves are fixed to the two connecting blocks respectively, the inner sides of the two valves are oppositely in a barrel shape, and an upper opening is smaller than a lower opening. When the cable falls off due to a certain reason, the cable and the gravity hammer can quickly move downwards, and the valve is tightened due to friction of the cable, so that the cable is prevented from falling to the bottom to cause serious damage.

The invention relates to the technical field of liquid carrying, in particular to a rocket corrugated board skin cabin section which comprises an upper end frame, a middle frame, a corrugated board skin and a lower end frame. Wherein the corrugated board skin is provided with a plurality of parallel corrugated grooves, the corrugated board skin is curled into a barrel shape, and the extending directions of all the corrugated grooves of the barrel-shaped corrugated board skin are the same as the axial direction of the barrel-shaped corrugated board skin; the upper end frame is located at the position, close to the upper edge, of the inner side of the barrel-shaped corrugated board skin and is in threaded connection with the corrugated board skin, the lower end frame is located at the position, close to the lower edge, of the inner side of the barrel-shaped corrugated board skin and is in threaded connection with the corrugated board skin, and the middle frame is located in the middle of the inner side of the barrel-shaped corrugated board skin and is in rivet connection with the corrugated board skin. The working efficiency of processing the corrugated board skin cabin section of the rocket can be improved, and the force transmission efficiency of the corrugated board skin cabin section of the rocket can be improved.

The invention provides a laser cut-off device which comprises a heat absorbing body, a reflecting body and a cut-off plate, the heat absorbing body is in a barrel shape with two open ends, the reflecting body is installed on the opening in one end of the heat absorbing body, and the cut-off plate is installed on the reflecting body and located on the side, away from the heat absorbing body, of the reflecting body. The problem that the cost of the laser cut-off device is high due to the fact that the laser cut-off device is cooled in a water cooling mode can be avoided.

The utility model relates to the field of snow melting machines, in particular to a snow melting machine which comprises a machine base, a cooling assembly and an outer shell, the outer shell is in a barrel shape with an opening in the rear end, the outer shell is arranged outside the cooling assembly in a sleeved mode, the outer shell is detachably connected with the machine base, a water pan is detachably installed at the bottom of the machine base, and the machine base comprises an upper shell. A condensate water through hole is formed in the upper shell, a condensate water pipe is installed on the condensate water through hole, and the condensate water pipe is communicated with the water pan. Condensate water is led into the water pan at the bottom, a user only needs to clean the water pan instead of cleaning the condensate water pan, and cleaning is more convenient.

This invention discloses an automated copper wire drawing device and its drawing process to prevent wire tangling. It relates to the field of automated copper wire drawing equipment and includes a fixed base with a fixed sleeve on top. Inside the fixed sleeve are three extrusion columns and an elliptical column. A brush plate is installed on the outer side of each extrusion column. Oil tanks are fixed to both sides of the top of the fixed sleeve, with a one-way valve on the top of each oil tank and a piston connected to one end. A slider is fixed to the bottom of the fixed sleeve, with a fixing block fixed to the outer side of the slider. Circular rings are installed on the inner walls of both sides of the fixed sleeve, and multiple oil nozzles are installed on the inner walls of these rings. This invention utilizes extrusion columns with a small head and a large tail, forming a conical barrel shape, which facilitates the drawing of the copper wire and reduces breakage and scratches.

The application provides a kind of ceramic slurry mixing tank for slurry, belongs to large-scale slurry mixing tank technical field, including round barrel shape pool body, the upper portion of pool body is provided with crossbeam, lifting type stirring mechanism is set on crossbeam, the inner bottom of pool body is provided with circular groove, bottom shaft is rotatably arranged in circular groove, the middle part of bottom shaft is provided with support disc, circular support plate is rotatably arranged on the bottom shaft above support disc, the upper surface of support plate is flush with the upper edge of circular groove, annular slide is left between support plate and the inner wall of circular groove;The application discards the traditional hexagonal structure and uses round barrel shape structure, and uses the combination of lifting type stirring mechanism and bottom shaft in the inner bottom of pool body to drive the rolling ball on retainer to roll in annular slide while stirring, not only can effectively avoid the formation of slurry sticky residue in the bottom and corner of slurry mixing tank, but also does not need to idle down to carry out ceramic slurry sediment cleaning, greatly improves the utilization efficiency of slurry mixing tank.

The utility model discloses a measuring foot stool with a tunnel lighting function, which comprises a foot stool body and a screw used for connecting the foot stool body and a measuring instrument, the grip section comprises a grip sleeve, illuminating lamp bodies, a switch and a power supply, the grip sleeve is in a hollow conical barrel shape or a cylindrical shape, the upper end of the grip sleeve is contracted to be connected with the threaded connection section or connected with the threaded connection section through a main connection rod section, and at least two illuminating lamp bodies are fixed on the bottom surface of the sleeve body. The screw has a lighting function and can help an instrument or a prism to be quickly aligned with a monitoring measurement mark, and the convenience and accuracy of measurement are improved.

The utility model relates to an auxiliary feeding device, and provides the auxiliary feeding device of the circular knitting machine, which comprises a mounting seat, a thread guide seat, a thread guide tube, a tool I and the like, a yarn guiding seat is fixedly arranged on the upper portion of the mounting seat, a yarn guiding tube is vertically arranged on the yarn guiding seat, a first tool is fixedly mounted on the lower portion of the yarn guiding seat, a notch allowing yarn to penetrate through is formed in the upper portion of the first tool, and the lower portion of the first tool is in a big-end-up conical barrel shape. According to the utility model, the cone-shaped tool is arranged, the yarns conveyed by the yarns which are deformed by pulling are wound on the cone-shaped tool, the tension of the yarns can be gradually reduced from the wide end to the narrow end of the cone in the winding process of the yarns through the shape of the cone-shaped tool, and the gradually-changed tension distribution is beneficial to gradually releasing the internal stress of the yarns; meanwhile, when the yarn is wound outside the conical tool, the yarn can be naturally bent instead of being forcibly straightened, the natural bending is beneficial to rearrangement of molecular structures in the yarn, and internal stress generated by stretching is reduced.

The utility model relates to the technical field of sleeping bags, and discloses a split zipper type combined sleeping bag which comprises an outer bag, a plurality of bag sleeves are arranged at the top of the outer bag, sleeve zippers are fixedly connected to the side walls of the bag sleeves, a plurality of side zippers are fixedly connected to the side wall of the outer bag, another outer bag is arranged on the side wall of the outer bag, and a plurality of side zippers are fixedly connected to the side wall of the outer bag. The side walls of the multiple outer bags are attached, a winding assembly is arranged on the side walls of the outer bags, the winding assembly comprises elastic bands, the multiple elastic bands are slidably connected into the outer bags, one end of each elastic band is fixedly connected with a fixing part, and the upper surface of each fixing part is fixedly connected with a push table. According to the utility model, the side zippers are zipped and detached, so that flexible combination can be realized, multi-person or single-person sleeping space requirements can be met, and different sleeping persons, places and travel scenes can be adapted. The bag sleeve can store articles and prevent the articles from falling off, the outer bag is rolled into a barrel shape and then is fixed through the elastic belt, the push table and other components, convenient storage is achieved, the arrangement time is saved, and the use efficiency is improved.

A stand column is fixedly installed on a base, a sliding barrel is installed on the stand column in a sliding and sleeving mode through the lower end, a sleeve is in a hollow barrel shape and installed on the outer side of the sliding barrel in a sleeving mode, the lower end face of the sleeve is in contact with the base, a hydraulic cylinder is fixedly installed at the upper end of the sleeve, and the hydraulic cylinder is fixedly installed on the lower end face of the sleeve. The front end of a telescopic rod of the hydraulic cylinder is connected with the upper end of the sliding barrel, a plurality of receding grooves are formed in the sleeve, the first supports are fixedly installed on the sleeve respectively and correspond to the receding grooves respectively, and the second supports are fixedly installed on the portions, located at the receding grooves, of the sliding barrel respectively. The rice transplanter has the advantages that the supporting plates can be folded through the hydraulic cylinder, so that the operation space on the rice transplanter can be increased, and the safety of workers is improved; and the walking stability of the rice transplanter can be improved.

The utility model relates to the technical field of battery testing, and particularly provides a fixture for testing a solid-state battery, which comprises a pressing plate, a clamping plate and a clamping plate, the screwing sleeve is rotationally connected to the first rotating sleeve, a first unscrewing face, a first screwing face and a first clamping face which are continuous are arranged on the end face of the end, away from the first rotating sleeve, of the screwing sleeve, and the first screwing face is an inclined face connecting the first unscrewing face and the first clamping face; a handle is arranged on the screwing sleeve to rotate the screwing sleeve, and a positioning column is further arranged on the pressing plate. The positioning sleeve is in a barrel shape with openings formed in the two ends, and the face, matched with the first unscrewing face, of the positioning sleeve is provided with a second unscrewing face, a second screwing face and a second clamping face so as to be attached to the first unscrewing face, the first screwing face and the first clamping face correspondingly; according to the utility model, the pressing force on the battery is controllable, and meanwhile, no extra tool is needed when the battery is fixed.

The utility model relates to the technical field of filter screen welding, in particular to a filter element filter screen welding positioning tool which comprises a workbench, an L-shaped frame capable of bearing a positioning mechanism, the positioning mechanism capable of being adjusted according to a filter screen and clamped in the filter screen and two fixing mechanisms, and a rectangular hole is formed in one end of the top face of the workbench. According to the utility model, a plurality of propping rollers are sleeved with a curled filter screen, then the rotation and height of a pipe body are controlled by starting a driving motor and two hydraulic cylinders, so that the angle and height of the filter screen are adjusted, an electric push rod is started to drive a movable ring to move, and the movable ring drives a lantern ring to synchronously move in a deviating manner through a plurality of pull ropes; the movable ring and the lantern ring drive the multiple abutting rollers to be away from the pipe body synchronously through the adjacent supporting arms, the filter screen which is curled to be in a barrel shape is expanded and pulled to a proper degree, then the two air cylinders are started to enable the two pressing plates to abut against the filter screen, and therefore the filter screen is fixed, a user can conveniently unfold the filter screen, and welding operation of the filter screen is facilitated.

The utility model discloses a reaction kettle for an MDI derivation test in the technical field of experimental apparatuses, and aims to solve the problems that in the prior art, the interior of a reaction kettle is heated unevenly, and air leakage is prone to occurring. The device comprises a rack and a rotating table rotationally arranged on the rack, a reaction kettle is fixedly arranged on the rotating table, and a driving device is further mounted on the rack; the whole reaction kettle is in a hollow barrel shape, a plurality of notches sunken towards the interior of the reaction kettle are formed in the outer wall face of the reaction kettle, the notches are provided with protruding parts in the reaction kettle, each protruding part comprises a first inclined face and a second inclined face which are connected with the outer wall of the reaction kettle, and the included angle between the first inclined face and the tangent line of the connecting point of the inner wall of the reaction kettle is an obtuse angle. An included angle between the second inclined surface and a tangent line of a connecting point of the inner wall of the reaction kettle is not more than 90 degrees. The reaction kettle is used for improving the uniform heating effect of reactants in the MDI derivation experiment, an external stirring device does not need to be inserted into the reaction kettle, the gas leakage phenomenon can be reduced, and the operation safety can be improved.

The utility model relates to a reducing sleeve mounting device. The technical problem that an existing reducing sleeve is low in installation efficiency is solved. The installation device is arranged on a barrel body lining plate, an installation hole used for installing a reducing sleeve is formed in the barrel body lining plate, the reducing sleeve is in a conical barrel shape with a deformation opening, the installation device comprises a limiting piece which is arranged on one side of the barrel body lining plate and can abut against one end of the reducing sleeve, and the limiting piece corresponds to the installation hole. The other side of the barrel body lining plate is provided with an extrusion piece which is arranged in the variable-diameter sleeve in a penetrating mode and can abut against the other end of the variable-diameter sleeve, and the outer side of the end, away from the limiting piece, of the extrusion piece is provided with a connecting piece; and a mounting connecting structure which enables the connecting piece and the limiting piece to be fixedly connected and enables the connecting piece to push the extrusion piece to move towards the limiting piece is arranged between the connecting piece and the limiting piece. The device has the advantages that the variable-diameter sleeve can be mounted through the limiting piece, the pressurizing piece and the connecting piece, the mounting efficiency is improved, and the mounting effect is guaranteed.

The utility model provides a tobacco section, an aerosol-generating product and an aerosol-generating system. The tobacco section comprises a wrapping piece, a tobacco rod and a tobacco rod, the wrapping piece is arranged on the periphery of the composite tobacco sheet in a sleeving mode, and the composite tobacco sheet comprises a flexible metal base body; the aerosol generating substrate layer is coated on the surface of the metal substrate to form a composite tobacco flake; the metal base body is provided with a first edge and a second edge which are opposite to each other, the metal base body is wound from the first edge to the second edge so that the composite tobacco sheet can be wound into a hollow barrel shape, a gap is formed between the first edge and the second edge, and the composite tobacco sheet can be heated to generate aerosol. The gap is formed between the first edge and the second edge, interference caused by induction of a magnetic field at the first edge and the second edge is avoided, and the metal matrix can generate a uniform temperature field under the action of the magnetic field.

The conjoined suction nozzle comprises a base, a pipe body, a cover body, a connecting part and an inverted-cone-shaped connecting ring which are integrally formed in an injection mode, the upper end face of the inverted-cone-shaped connecting ring is connected with the bottom end face of the cover body, and the lower end face of the inverted-cone-shaped connecting ring is connected with the top end face of the pipe body. The wall thickness of the conical connecting ring is smaller than the wall thickness of the pipe body and the wall thickness of the cover body, the pipe body is in a conical barrel shape with the narrow upper portion and the wide lower portion, and the inner diameter of the cover body is larger than the outer diameter of the 1 / 5 position of the upper portion of the pipe body. The invention further provides a secondary shaping tool for producing the suction nozzle, the secondary shaping tool comprises a working table, an upper die, a lower die, forming mechanisms and a lifting mechanism, the top of the upper die and the bottom of the lower die are each provided with one forming mechanism, the lifting mechanism is arranged at the bottom of the working table and is in transmission connection with the upper die, secondary shaping is conducted through the shaping tool, and the secondary shaping tool is arranged on the working table. The final forming of the suction nozzle can be completed, the mold opening and injection molding times are reduced, the cost is reduced, and meanwhile the production efficiency of the suction nozzle is remarkably improved.

The invention relates to the technical field of water pump filtering, in particular to a water pump inlet filtering device which is characterized in that the filtering device comprises a left connecting pipe, a right connecting pipe, a spherical pipe body, a water outlet pipe and a filtering net, the left end and the right end of the spherical pipe body are connected with the left connecting pipe and the right connecting pipe respectively, and a right flange plate is arranged at the end of the right connecting pipe; the right flange plate is connected with the closing plate through a locking bolt, the end of the left connecting pipe is connected with the horn pipe, the necking end of the horn pipe is connected with the left connecting pipe, the flaring end of the horn pipe faces the interior of the water storage tank, a filter screen is arranged in the spherical pipe body and is in a barrel shape, and the filter screen is connected with the right flange plate through a locking bolt. The two ends of the cylindrical filter screen are inserted into the left connecting pipe and the right connecting pipe respectively, a water outlet is formed in the side face of the spherical pipe body and connected with a water outlet pipe, the water outlet pipe is connected with an inlet of a water pump, and the device has the advantages that the structure is simple, the filtering effect is good, cleaning is convenient, and the problem that a suction inlet of the pump is blocked due to impurities is solved.

The feeding barrel for the non-human primates comprises a barrel body and a barrel cover detachably installed on the barrel body, the barrel body is in a barrel shape with the top open, and the side wall of the barrel body is hollowed out so that the feeding position can be observed conveniently; the barrel cover is detachably hung on the top wall of the rearing cage, and the barrel body and the barrel cover are made of food-grade hard materials. According to the feeding barrel for the non-human primates, food is placed in the feeding barrel, so that the food is effectively prevented from being contaminated by dirt in a rearing cage; the hand and the arm of a non-human primate extend into the feeding barrel from the feeding hole for feeding, and meanwhile, the position of food is observed through the hollow structure, so that foraging is facilitated, the fun of exploring and finding in the foraging process of the non-human primate is increased, and animal welfare is increased; the barrel body and the barrel cover are preferably made of food-grade hard materials, can be effectively prevented from being damaged by non-human animals, are convenient to clean and meet the strict requirements of industries such as medicine research and development on sanitary conditions.