581results about How to "Improve connection tightness" patented technology

The utility model discloses an extruder discharge device for rubber production, which relates to the technical field of extruders and comprises a base, a screw extrusion cylinder is fixedly mounted at the top of the base, an extrusion head is arranged at one end of the screw extrusion cylinder, and a fixing component and a labyrinth seal structure are arranged between the screw extrusion cylinder and the extrusion head. According to the technical scheme provided by the utility model, by arranging the fixing assembly, specifically, when in use, the extrusion head is sleeved at one end of the screw extrusion barrel, then one end of the clamping rod is clamped on the outer side of one end of the extrusion head, the clamping block is clamped in the clamping groove, then one end of the movable deflector rod is pulled to enable the clamping rod to be pulled at the 1 / 5 position of one end of the movable deflector rod, and the clamping rod is clamped in the clamping groove under the action of the high-elasticity spring. The linkage clamping rod pulls the extrusion head, so that the extrusion head and the screw extrusion barrel are clamped, one end of the fixing ring sleeves the movable driving lever to fix the movable driving lever, the movable driving lever is pulled up to loosen the clamping rod during disassembly, the extrusion head can be quickly disassembled and assembled, and the portability of replacing the extrusion head is improved.

The utility model discloses a valve seat convenient to maintain, relates to the technical field of valve seats, and solves the problems that an opening and closing plate in an existing valve seat rotates to be attached to the valve seat for blocking, but after repeated use and excessive contact frequency of the opening and closing plate and the valve seat, a butterfly seat is abraded, so that the sealing effect between the opening and closing plate and the butterfly seat becomes poor, and the service life of the valve seat is prolonged. The service life of the valve seat is shortened, and great troubles are brought to people. Comprising a valve seat body, sealing notches are formed in the two sides of the valve seat body, and sealing rubber rings are arranged in the sealing notches; the mounting block is arranged on the side face of the valve seat body, positioning studs are arranged at the four corners of the side face of the mounting block, and each positioning stud is connected with a fastening cylinder part; the inflation extrusion ring is arranged on the inner wall surface of the valve seat body; according to the valve seat, extrusion sealing can be achieved, meanwhile, abrasion of the valve seat body caused by too much contact frequency of the opening and closing plate and the valve seat is effectively avoided, and therefore the service life of the opening and closing plate and the service life of the valve seat body are prolonged.

The utility model discloses an anti-blocking drainage device for a road. The road anti-blocking drainage device comprises a filtering mechanism and a drainage mechanism, the filtering mechanism is located at the upper end of the drainage mechanism, the filtering mechanism comprises a curb, a cover plate is fixedly arranged on one side of the curb, the cover plate is U-shaped, a drainage groove is formed under the cover plate, the drainage groove is also U-shaped, a plurality of holes are formed in one side of the drainage groove, and the holes are communicated with the drainage groove. And a filtering assembly is detachably arranged in the hole. According to the road anti-blocking drainage device, the drainage effect of the road surface is achieved by arranging the drainage grooves, compared with the mode that drainage holes are horizontally formed in the road surface in the prior art, the holes for road surface drainage are formed in the side wall of the curb and are vertically formed, impurities such as fallen leaves on the road surface float on the water surface under the buoyancy action of water, and therefore the road surface cannot be blocked. When fallen leaves gather at the opening of the hole along with water flow, water can still pass through the lower end of the hole, and therefore the possibility of being blocked is small.

The present invention relates to the field of slope reinforcement technology, specifically to a rapid construction method for mudstone interlayer slope protection and reinforcement technology, which solves the problems that the existing reinforcement efficiency of slopes with mudstone interlayers through on-site concrete pouring is low, and it cannot meet the rapid reinforcement of different slopes. When the water content of the slope soil is too high, it is not convenient to maintain soil stability, which easily causes slope collapse and other problems. A mudstone interlayer slope protection and reinforcement device includes a slope body, an X-direction reinforcement mechanism and a Z-direction tensioning mechanism. A plurality of Y-direction reinforcement mechanisms are installed on one side of the slope body, and a drainage ditch is provided on the side of the bottom of the slope body. The present invention can effectively improve the slope solidification effect and construction efficiency by using an assembled method to segment and anchor the slope, and is convenient for active drainage of the slope soil to avoid slope collapse caused by excessive water content.

The utility model relates to the technical field of beer barrel beer spear opening sterilization, in particular to beer barrel beer spear opening automatic sterilization equipment which is characterized in that a lower cover is arranged at one end of a beer spear body, an inclined plate is arranged in the lower cover, a through hole is formed in the side face of a containing groove, a sealing ring is arranged on the outer ring face of the lower cover, a filter plate is arranged in an upper cover, and aseptic cotton is arranged on the surface of the filter plate; the beer spear has the beneficial effects that firstly, the connection sealing performance between the beer spear main body and a beer barrel can be improved in cooperation with a plurality of groups of sealing rings, then sterilization liquid can be injected into the sterilization cotton through the sterilization cotton placed in the upper cover, and the sterilization liquid in the sterilization cotton slowly drips into the lower cover through the filter plate in the upper cover; the sterilization liquid can flow into the sealing ring through the through hole by utilizing the flow guide of the inclined plate arranged in the lower cover, so that the contact part of the inner side surface of the barrel cover pipe of the beer barrel and the sealing ring can be conveniently sterilized, the sterilization liquid flows out in a dripping manner and is slow in flowing speed, and the sterilization liquid in the aseptic cotton can be recycled for a long time.

The invention belongs to the field of crawler belt core gold production, and provides a feeding device for crawler belt core gold production, which comprises a workbench, the upper end face of the workbench is fixedly connected with an inclined guide plate, the upper end face of the workbench is connected with a positioning groove, the positioning groove is arranged on one side of the guide plate, a plurality of guide holes are arranged on the positioning groove, and the guide holes are communicated with the guide plate. A thrust assembly is arranged on the side, away from the positioning groove, of the material guide plate, the thrust assembly can be fixed to the crawler belt core metal in a magnetic attraction mode and can push the crawler belt core metal to move in the direction of the positioning groove, and a guide assembly is arranged between the material guide plate and the positioning groove. According to the invention, the electric telescopic sleeve pushes the positioning seat to apply pressure to all the track core metals in a vibrating manner, so that the two ends of each track core metal are released from abutting against the inner walls of the positioning grooves; and meanwhile, an air pump is started to induce air into the lifting seat, and particles between the crawler belt core metals are brought out from the guide holes through wind power, so that all the crawler belt core metals are aligned and positioned.

The utility model belongs to the field of electric tools, and discloses a blowing and suction fan which comprises a two-half shell, a brush blowing nozzle is arranged at the front end of the shell in a sleeved mode, and the brush blowing nozzle is composed of a blowing nozzle body, a dust collection cavity and a shell connecting part. A positioning convex strip is arranged on the shell I, and a positioning groove is formed in the shell II; a clamping spring is arranged on the inner side of a limiting protrusion at the head of the shell, an assembling step is arranged at the tail of the shell, a fixing ring is sleeved on the assembling step, and an integrally-formed handle sleeve is sleeved on a grab handle of the shell. A dust collection cavity of the brush blowing nozzle is also of a two-half type, the upper half portion of the dust collection cavity, the blowing nozzle and the shell connecting portion are integrally formed, a clamping groove I is formed in the cavity wall of the connecting position of the upper half portion, and a clamping buckle I is arranged on the connecting edge of the lower half portion. The shell is assembled in a three-point positioning mode and does not need to be tightened and fixed through screws, it is guaranteed that the shell is not damaged in the assembling process, and the assembling quality is improved. The upper half portion of the dust collection cavity is integrally formed on the shell, the upper half portion and the lower half portion of the dust collection cavity can be connected through only one buckle structure, and assembling is very convenient.

The utility model discloses a novel environment-friendly autoclaved aerated concrete plate which comprises an autoclaved aerated concrete plate main body and a frame, and the autoclaved aerated concrete plate main body is fixedly arranged in the frame. The long limiting columns are used for guiding and positioning, the fixing columns at the upper end and the lower end can be conveniently inserted into the corresponding first limiting grooves, the splicing accuracy of the plates is guaranteed, the splicing mode is convenient and fast, the installation difficulty is low, and the splicing fixing mode of the first rectangular groove and the first rectangular plate and the splicing fixing mode of the second rectangular groove and the second rectangular plate are matched. The stress area of the plate at the connecting position is increased, the weight can be better borne in cooperation with the design of integral forming, the pressure bearing capacity of the plate can be greatly improved by arranging a plurality of pressure bearing positions in the plate connecting position, the positioning blocks and the positioning grooves are used in cooperation, the fixing columns are fixed in the first limiting grooves in a barb-like mode, and therefore the positioning blocks and the positioning grooves are not prone to falling off. Therefore, the connection fastening degree between the plates is enhanced.

The utility model discloses a multi-way valve with excellent connection sealing performance, which comprises a valve body, a plurality of connectors are arranged on the outer side of the valve body, one end of each connector is provided with an external thread used for being connected with an oil pipe, and a leakage-proof component is arranged on the inner side of each connector. A linkage assembly used for controlling the leakage-proof assembly is further arranged on the inner side of the connector. The multi-way valve is simple in structure and reasonable in design, the effect of sealing the connector through the sealing ball when an external oil pipe is separated from the multi-way valve is achieved, hydraulic oil in the multi-way valve is prevented from leaking outwards after the external oil pipe is detached, the hydraulic oil is saved, and the working efficiency is improved. And when the external oil pipe is separated from the multi-way valve, the interior of the multi-way valve is effectively protected, and the service life of the multi-way valve is prolonged. And meanwhile, the effect that the connector is synchronously opened and closed when the external oil pipe is inserted and pulled out is achieved, the protection effect on the multi-way valve is further improved, and the connecting efficiency of the multi-way valve and the external pipeline is also guaranteed.

The utility model relates to the field of waterproof coiled materials, in particular to a waterproof coiled material with high structural strength. The waterproof coiled material with the high structural strength comprises a coiled material body, a plurality of protruding blocks are arranged at the top of the coiled material body, sunscreen cloth is arranged at the top of the coiled material body, a plurality of limiting grooves corresponding to the protruding blocks in position are formed in the bottom of the sunscreen cloth, and a winding rod is fixedly connected to one side of the sunscreen cloth. According to the waterproof coiled material with the high structural strength, the sunscreen cloth is clamped on the protruding blocks of the coiled material body through the limiting grooves, the sunscreen cloth can be temporarily fixed, the connecting tightness between the sunscreen cloth and the coiled material body is improved, the problem that traditional sunscreen cloth is prone to position deviation or folding due to external factors is solved, and the waterproof coiled material with the high structural strength is convenient to use. The problem that the sun protection effect of the waterproof coiled material is poor due to the fact that the sun protection effect of the waterproof coiled material is poor is solved, and when the sun protection cloth is folded, the sun protection cloth can be wound through the winding rod, so that the auxiliary performance of the sun protection cloth in the retracting process is improved.

The utility model discloses a basement ventilation pipe construction penetrates the mouth sealing structure, including the pre -buried pipe sleeve of pre -buried in the inside of wall body, the inner chamber of pre -buried pipe sleeve is provided with the ventilation pipe, the inner chamber of pre -buried pipe sleeve is provided with sealing assembly, the sealing assembly includes the multiple heat preservation board of sticking in ventilation pipe surface, the left side of pre -buried pipe sleeve inserts the rubber bushing, the surface of rubber bushing is provided with the multiple water -resisting strip, the heat preservation board and rubber bushing between fill with polyurethane filling layer. The utility model discloses through the setting of pre -buried pipe sleeve, provides the penetration wall body position for ventilation pipe, and under the cooperation of sealing assembly, carries out sealing protection and heat -proof waterproof between ventilation pipe and pre -buried pipe sleeve, and under the cooperation of outer sealing cover and inner sealing cover, further carries out sealing treatment to the penetration position of wall body inside and outside, can reach the purpose of effective heat -proof protection and connecting sealing performance strong.

The utility model discloses a microporous filter which comprises a shell and a bracket, a cover body is hermetically fixed on one side of the shell, the cover body is bolted with the shell, a liquid inlet valve is fixed at the top end of one side, far away from the shell, of the cover body, a liquid outlet valve is fixed at the bottom end of one side, far away from the cover body, of the shell, a flow meter is fixed at the liquid outlet end of the liquid outlet valve, and the flow meter is connected with the bracket. A cleaning valve is fixed to the top end of the side, away from the cover, of the shell, and a water pump is fixed to the top of the shell. Compared with an existing microporous filter, the microporous filter is provided with the convenient cleaning mechanism, when the filtering efficiency of the microporous filter is reduced due to the fact that many impurities are intercepted by the filtering mechanism, a worker can conveniently and efficiently clean the filtering mechanism through the cleaning mechanism, and the convenience of the microporous filter is improved; meanwhile, the device is provided with a plurality of tubular filtering mechanisms, so that the filtering area can be effectively increased, the water resistance is reduced, the filtering efficiency is further improved, and the device is convenient to maintain.

The utility model relates to the technical field of dies, in particular to a thermostat machining die which comprises a lower die and an upper die, a heat dissipation cavity is formed in the lower die, an air inlet pipe is fixedly connected to the middle of the left end of the lower die, an air inlet valve is arranged on the upper portion of the outer surface of the air inlet pipe, and an air outlet pipe is fixedly connected to the middle of the right end of the lower die. An air outlet valve is arranged on the upper portion of the outer surface of the air outlet pipe, extrusion grooves are formed in the four corners of the upper end of the lower die, springs are fixedly connected to the lower groove walls of the four extrusion grooves, contact pieces are fixedly connected to the ends, away from the lower groove walls of the extrusion grooves, of the four springs, and a sealing gasket is arranged at the lower end of the upper die. According to the thermostat machining mold, cold air is introduced into the heat dissipation cavity for heat exchange, so that the interior of the lower mold can be rapidly dissipated, the demolding time of a thermostat can be shortened, and the thermostat can enter the next working procedure more rapidly for machining.

The utility model discloses an oxygen analyzer structure for a brazing furnace. The oxygen analyzer structure comprises a plurality of collecting pipes which are uniformly distributed around an analyzer body, the mounting plate is fixedly connected with the rear end surface of the analyzer body; the sampling pump is arranged in the analyzer body and fixedly connected with the analyzer body, and one end of the collecting pipe penetrates through the analyzer body and then is fixedly connected with the sampling pump; the filter is arranged in the collecting tube and is fixedly connected with the collecting tube; the purging pipe is arranged on the collecting pipe and on one side of the filter, the purging pipe is communicated with the interior of the collecting pipe, and the purging pipe is fixedly connected with the collecting pipe; the outlet pipe is arranged on the collecting pipe and on the other side of the filter, a communicating port of the outlet pipe is parallel to the purging port, and the outlet pipe is fixedly connected with the collecting pipe; the contactor is arranged in the collecting tube, is fixedly connected with the collecting tube, and is connected with the analyzer body. The filter has the beneficial effects that impurities can be conveniently filtered, and the filter can be better cleaned.

The utility model belongs to the field of vacuum packaging machines, and provides an automatic vacuum packaging machine which comprises a body, a cover body and a sealing assembly. Wherein the body forms a packaging cavity with an opening; the cover body is rotationally connected to the body through a supporting rod and used for sealing the opening of the packaging cavity. The first magnetic single body is connected to the body and arranged around the opening edge of the packaging cavity, the second magnetic single body is connected to the cover body and used for being in mutual magnetic attraction with the first magnetic single body, and the first magnetic single body and the second magnetic single body are magnetic steel capable of generating magnetism after being powered on. The sealing assembly further comprises a power supply element used for being electrically connected with the first magnetic single body and the second magnetic single body.

The utility model relates to the technical field of air filter element cleaning, and provides an air filter element cleaning tool with a sealing structure, which comprises a shell, an ash discharge groove is arranged at the middle position of the inner bottom wall of the shell, the lower end of the inner wall of the shell is fixedly connected with a supporting seat, the top end of the supporting seat is movably connected with a mounting plate, and the mounting plate is fixedly connected with the shell. An exhaust pipe is fixedly connected to the upper end of one side of the shell, a connecting pipe is fixedly connected to one side of the top end of the shell, a pneumatic telescopic rod is fixedly connected to the middle of the top end of the shell, and the output end of the pneumatic telescopic rod extends into the shell and is fixedly connected with an air spraying pipe. The elastic piece is tightly attached to the interior of the pipeline through elastic deformation of the elastic piece, the clamping sealing performance of the connecting sleeve and the interior of the pipeline is guaranteed, the sealing ring can be tightly attached to the inner wall of the pipeline through the elastic force of the elastic strip, the sealing effect reduction caused by long-term elastic failure of the sealing ring is avoided, and the connecting sealing performance of the sealing ring is improved.

The utility model discloses an integrated MBBR (Moving Bed Biofilm Reactor) sewage treatment device and relates to the technical field of sewage treatment equipment. The device comprises a mixing cavity, an aeration cavity, a connecting pipe, a filter plate, a bolt and a brushing mechanism. According to the utility model, the brushing mechanism is arranged; a second rotating rod extends into the mixing cavity from the top end of the mixing cavity, the connection sealing performance of the mixing cavity and the second rotating rod is improved, compared with a traditional connection mode, the situation that sewage in the mixing cavity leaks is avoided, meanwhile, a filter plate is connected with the mixing cavity through a plug pin, rapid disassembly and assembly of the filter plate are facilitated, and the use is convenient. Compared with a traditional mode that the filter plate is installed in the connecting pipe, the convenience of dismounting and mounting of the filter plate is improved, the stirring plate and the brushing plate are driven to rotate through the same power source, the stirring plate rotates and stirs sewage in the mixing cavity, the brushing plate rotates and brushes one end of the filter plate, and the sewage circulation of the filter plate is guaranteed.

The utility model relates to the technical field of pipeline sealing, in particular to an oil field pipeline safety valve with a sealing assembly, which comprises a connecting pipe arranged on the side face of a safety valve main body, a sealing groove arranged on the end face of the connecting pipe, a positioning ring sleeved on the surface of the connecting pipe, and a sealing rubber pad arranged on the end face of a petroleum pipeline. The surface of the petroleum pipeline is sleeved with a positioning nut, and an extrusion spring and a sealing gasket are arranged in the positioning nut. The safety valve has the beneficial effects that firstly, a positioning nut is screwed on a positioning ring, so that a sealing rubber pad arranged on the end face of a petroleum pipeline is extruded in a sealing groove, and the petroleum pipeline is hermetically connected with a connecting pipe on the side face of the safety valve body; in the process of rotating the positioning nut, the sealing gasket can be matched with the extrusion spring to extrude to seal the joint of the connecting pipe and the petroleum pipeline, the extrusion spring is arranged to enable the sealing gasket to be in an extrusion state all the time, the sealing gasket is matched with the sealing rubber gasket, the sealing effect of the connecting pipe and the petroleum pipeline can be improved, and the service life is prolonged.

The utility model relates to the technical field of center shaft five-piece bowl stabilizing structures, in particular to a center shaft five-piece bowl stabilizing structure, and solves the technical problems that in various structures of a bicycle, the position of a center shaft is the most important, the stability of the center shaft five-piece bowl structure needs to be guaranteed, however, most of the center shaft five-piece bowl stabilizing structures are simple in structure arrangement, and the stability of the center shaft five-piece bowl structure is poor. The connecting part is easy to loosen, so that the structure is unstable, and the safety of the riding use of the vehicle is influenced; according to the technical scheme, the center shaft five-bowl stabilizing structure comprises a center shaft assembly, a five-bowl assembly, an adjusting assembly, a connecting assembly and a fixing assembly. Compared with a traditional center shaft five-bowl stabilizing structure, the center shaft five-bowl stabilizing structure has the advantages that the connecting structure is usually simple, parts are easy to loosen during use, and the use safety is reduced, the center shaft structure is flexibly fastened in a clamping and fixing mode according to actual conditions, the connecting tightness between the parts is improved, and the service life of the center shaft five-bowl stabilizing structure is prolonged. The use safety is guaranteed, and the structural stability of the center shaft is enhanced.

The utility model provides a battery cold plate clamp device and a battery cold plate detection system. The battery cold plate clamp device comprises a base, a movable pressing plate, a pressing assembly and a plurality of workpiece connecting assemblies. A groove is formed in the base, and a cold plate supporting part is arranged in the groove; the movable pressing plate is provided with a pressing part, and the movable pressing plate and the groove are encircled to form a vacuum detection cavity; the workpiece connecting assemblies are arranged in the grooves, each workpiece connecting assembly comprises a supporting base, a workpiece connecting head and a first translation driving module, the supporting bases are arranged in the grooves, and the workpiece connecting heads are arranged on one sides of the supporting bases. The battery cold plate clamp device can stably clamp a workpiece, so that the workpiece is not easy to deform and damage during vacuum detection, an interface of the workpiece can be stably connected through the workpiece connecting assembly, the operation is convenient, and the detection efficiency is improved.

The present invention discloses a connection device for prefabricated steel beams and prefabricated panels for assembled buildings, which relates to the technical field of connection of building structures, including prefabricated channel steel beams, beam-slab connection clamps and prefabricated panels, one side of the beam-slab connection clamp is provided with an upper mounting groove and a lower mounting groove corresponding to the top plate and the bottom plate of the prefabricated channel steel beam, the upper mounting groove and the lower mounting groove are respectively connected to the top plate and the bottom plate through a convenient connection piece, the convenient connection piece includes two first bolts and at least one bite stripe located at the end of the prefabricated channel steel beam, the other side of the beam-slab connection clamp is provided with a connection groove corresponding to the prefabricated panel, the connection groove is connected to the prefabricated panel through a plurality of second bolts and nuts. The present invention adopts a connection device for prefabricated steel beams and prefabricated panels for assembled buildings of the above structure, avoids the use of a large number of bolts and expansion agents, reduces construction costs and difficulty, uses the beam-slab connection clamp to ensure the connection strength between the prefabricated steel beam and the prefabricated panel, and realizes rapid assembly and disassembly.

The invention discloses a vertical dust collector, and aims to provide a vertical dust collector capable of improving the assembly efficiency and stability and enhancing the heat dissipation efficiency. The dust collector comprises a dust collecting box which is connected with rollers; the mounting seat is detachably connected with the dust collection box, and an air inlet is formed in the mounting seat; the ventilation net rack is connected with the mounting base, one side of the ventilation net rack is detachably connected with a dust filtering cup assembly, and the other side of the ventilation net rack is detachably connected with a dust collection motor; the connecting assembly is connected with the mounting seat; the motor cover is provided with an air outlet, and the mounting seat is provided with an air outlet channel; the box cover, the motor cover and the box cover are respectively provided with a heat dissipation opening, and the box cover is rotationally connected with a handle. The dust collector has the beneficial effects that the cleaning capacity of the dust collector is improved; the assembly efficiency of dust collector accessories is improved; disassembly and maintenance are convenient, and moving and using are convenient; the heat dissipation performance and the dustproof effect are enhanced; the cleaning time and the service life are prolonged; the overall strength is improved.

The invention relates to the technical field of electrics, in particular to an adjustable modular anti-collision device which comprises a vehicle door and a vehicle door sealing plate detachably mounted on the inner side of the vehicle door, and an adjustable obstacle avoidance mechanism is arranged on the inner side of the vehicle door sealing plate. The adjustable obstacle avoidance mechanism comprises a millimeter wave radar sensing module, a control unit processing module, an adjustable response module and a threading groove. The intelligent obstacle avoidance device has the beneficial effects that the modularized design is adopted as a whole, installation, maintenance and upgrading are facilitated to adapt to different vehicle models and vehicle door structures, surrounding obstacles can be intelligently sensed through the integrated millimeter wave radar sensing module, the control unit processing module and the adjustable response module, automatic obstacle avoidance adjustment of the vehicle door is achieved, and the intelligent obstacle avoidance device is convenient to use. The automobile door is effectively prevented from colliding with an obstacle in the opening and closing process, meanwhile, the connection stability and the sealing performance of the device are enhanced through the design of the wire harness protection sleeve, the automobile door insertion assembly and the like, and safe and reliable operation of the device is guaranteed.

The present application relates to the field of biodiesel storage, and particularly relates to a biodiesel production and storage device, which comprises a storage tank, the storage tank is composed of a tank body and a cover, the cleaning part of the present application can simultaneously polish the inner ring surface and the inner bottom wall of the tank body, and can further polish the joint between the inner ring surface and the inner bottom wall of the tank body, so that the inner wall of the tank body is fully polished, and the one-time cleaning effect of the tank body is improved, meanwhile, the cleaning part as a whole can move downward along the vertical plane and reciprocate along the horizontal plane, thereby the polishing effect of the inner ring surface of the tank body is greatly improved through the double movements, the side dust collection plate in the present application is mainly used for sucking and removing the impurities removed from the inner ring surface of the tank body, and the main dust collection plate is mainly used for sucking and removing the impurities removed from the inner bottom wall of the tank body, so that the impurities are sucked and removed in multiple directions, the impurities sucking and removing speed is accelerated, and the impurities are also avoided from being re-missed in the tank body.

The application relates to the technical field of weighing equipment, in particular to a connecting structure for weighing tank discharging, a tank body bottom of a weighing tank is provided with a discharging pipe, the discharging pipe has a bend pipe section, the discharging pipe is used for being connected with a conveying pipeline to quantitatively convey materials to a process equipment; the connecting structure comprises a flexible connecting pipeline and fasteners, two fasteners are arranged at two ends of the flexible connecting pipeline; one end of the flexible connecting pipeline is detachably connected with the discharging pipe through the fastener, and the two ends of the flexible connecting pipeline are detachably connected with the conveying pipeline through the fasteners. In the application, the flexible connecting pipeline is arranged between the existing discharging pipe and the conveying pipeline, so that the staff can periodically separate the flexible connecting pipeline from the discharging pipe, so as to facilitate the staff to clean the materials on the inner circumferential wall of the discharging pipe by using tools, and the risk of material blocking the discharging pipe is reduced.

The invention provides a nasal indwelling tube assembly with lubrication and anesthesia functions, which comprises a nasal indwelling tube with an insertion end and a connecting end; the lubricating anesthetic piece is used for arranging lubricating anesthetic on the outer wall of the insertion end, and the lubricating anesthetic comprises anesthetic and a lubricating agent; the cotton swab bag comprises a cotton swab packaging bag and cotton swabs sealed in the cotton swab packaging bag, and cotton swab heads of the cotton swabs are infiltrated with anesthesia lubricant; the spiral loose tower type outer joint is made of an elastic material, is fixed at the end part of the connecting end and is of a circular truncated cone cylindrical structure, the inner diameter of the spiral loose tower type outer joint is sequentially increased in the direction from the inserting end to the connecting end, and an internal thread is arranged on the inner wall of the spiral loose tower type outer joint; the rubber plug is of a circular truncated cone structure, the outer size of the rubber plug is matched with the inner size of the spiral loose tower type outer connector, and a first outer thread matched with the inner thread is arranged on the outer wall of the rubber plug. The indwelling tube assembly through the nasal cavity has lubrication and anesthesia functions, and discomfort of a patient can be relieved.

The utility model relates to the technical field of leakage repairing, in particular to a basement internal and external corner anti-leakage repairing structure which comprises a wall surface and an internal corner, a repairing assembly is arranged on the right side of the wall surface, a repairing hole is formed in the right side of the wall surface, and the repairing assembly comprises a pouring needle tube fixed to the interior of the repairing hole. And repairing liquid is arranged in the pouring needle tube, and the repairing assembly further comprises a supporting assembly which is arranged at the lower end of the pouring needle tube and used for supporting the pouring needle tube. According to the anti-leakage repairing structure for the internal and external corners of the basement, by arranging the repairing assembly, damage to an original structure can be effectively reduced, water in a wall surface water seepage layer structure can be adsorbed, the waterproof repairing layer is reinforced, the connecting strength and the sealing degree of the repairing layer and the original structure layer are improved, materials are environmentally friendly, and the waterproof effect is good; the anti-seepage device is simple in structure, long in service life, resistant to corrosion and aging and capable of effectively enhancing the anti-seepage effect, and the phenomenon that the inclination angle of the pouring needle tube deviates after long-time grouting is avoided through the supporting assembly.

The invention discloses a buoyancy tank connecting device capable of being quickly assembled and disassembled. Belongs to the technical field of buoyancy tanks and comprises a first supporting frame and a second supporting frame which are connected with each other, a locking device is connected between the first supporting frame and the second supporting frame and comprises an installation frame, a locking block and a sliding groove, clamping grooves are formed in the two sides of the installation frame, the locking block is clamped in the installation frame, and the sliding groove is formed in the top of the locking block. A first spring and a second spring are arranged outside the guide rod in a sleeving mode, a first clamping plate is fixedly connected to the first sliding block, and a second clamping plate is fixedly connected to the second sliding block. According to the device, a user can conveniently and rapidly disassemble and assemble the first box body and the second box body through the locking device, the disassembly and assembly time of the first box body and the second box body can be shortened through an elastic clamping mode, the disassembly and assembly work can be completed without the help of external tools, more time and labor are saved, and the working efficiency is improved. And no gap exists between the first box body and the second box body after the first box body and the second box body are connected, so that the connection tightness of the first box body and the second box body is improved.

The utility model discloses a low-energy-consumption door leaf framing structure, which belongs to the technical field of door leaf framing, and comprises a light opening, a transverse frame, a framing corner brace and a framing clamping plate, the framing corner brace comprises an outer frame and a reinforcing rib, the outer side of the framing corner brace is provided with two first through holes, and the outer side of the framing corner brace is provided with two second through holes. And the two first through holes are internally provided with anti-skid retaining bolts, spring washers are arranged between the anti-skid retaining bolts and the framing corner connector, two first threaded holes are formed in the outer side of the framing clamping plate, and a through glue groove is formed in the side, close to the optical opener, of the framing corner connector. The utility model solves the problem that the heat insulation performance is influenced by the quality problems that the splicing position is not flat, warped and the like when used on a large-specification unit door, cracks occur at the splicing position in the using process, water seepage occurs in a corner cavity, the integral attractiveness of a door and a window is influenced, leakage occurs and the like.