32results about How to "Avoid sealing difficulties" patented technology

A packaging device is provided which prevents trays accommodating packaged items from being broken due to the tension in a film acting from above. The sealing base and the sealer perform a box motion by the combination of the back and forth movement of the general frame, and the upward and downward movement of the sealing base and the sealer, and the film is welded onto the flange of the tray while in movement. In this case, by setting the upper limit of the sealing base to the lower surface of the flange of the tray, it is possible for the deck plate to receive the tension of the film acting on the tray through the packaged item.

The invention discloses a device for preparing stannous sulfate by electrolysis in a mobile cathode chamber. The device comprises an electrolytic bath and anodes and a cathode arranged in the electrolytic bath, wherein the anodes are arranged on two sides of the cathode respectively; a diaphragm is arranged between the cathode and the anode; and the mobile cathode chamber is formed in the electrolytic unit bath, the mobile cathode chamber is positioned between two adjacent anodes, the mobile cathode chamber comprises a cathode cavity and diaphragm frames, the cathode is positioned in the cathode cavity, the diaphragm frames are arranged on two sides of the cathode cavity, the diaphragms are positioned in the diaphragm frames, and a sealing washer is arranged between the diaphragm frame and the cathode cavity. The invention provides the device for preparing the stannous sulfate by electrolysis in the mobile cathode chamber, which reduces the voltage of the bath, is convenient for diaphragm maintenance and bath maintenance and reduces the processing cost.

The invention discloses a complex tubular component flexible forming device and method based on a magnetorheological elastomer. The device comprises an upper mould body (1), a lower mould body (2), electromagnetic coils (3), a left punch (4), a right punch (5), an initial tube blank (6) and the magnetorheological elastomer (7). Under the effect of an external magnetic field, the elasticity modulusof different portions of the magnetorheological elastomer changes differently, so that the to-be-formed tube blank is formed in a required shape under the proper elasticity modulus of the magnetorheological elastomer. According to the complex tubular component flexible forming device and method, by means of changing of the elasticity modulus of the magnetorheological elastomer under different magnetic field conditions, the problems that sealing is difficult in the high-pressure forming process of existing complex components, and thin-walled components are prone to cracking in the forming process are solved. The magnetorheological effect of the magnetorheological elastomer is fully achieved, in addition, the equipment is simple, and the production efficiency is high.

The invention discloses an energy-saving machine provided with a box-shaped detergent dissolver. The energy-saving washing machine is characterized in that a detergent dissolving device is arranged at the upper part of a case, and a heat exchanger is arranged in the case; a wet and hot air inlet, a cold air outlet, a wet and hot air outlet and a cold air inlet are formed in the heat exchanger; the cold air outlet, a fan, an electric heater and a warm air supply port are connected through a pipeline, a wet and hot air exhaust port is connected with the wet and hot air inlet through a pipeline, the wet and hot air outlet is connected with a tee joint through a pipeline, and the tee joint is connected with an exhaust port and a drain pipe through a pipeline respectively; the cold air inlet is connected with a filter and an air suction port through a pipeline. The detergent dissolving device comprises a box, a guiding pipe and a stirrer, wherein a water inlet and a water outlet are formed in the box, and a water inlet solenoid valve and a water outlet solenoid valve are mounted on the outer sides of the water inlet and the water outlet respectively; the water inlet solenoid valve is connected with a detergent box through a water pipe; the guiding pipe is fixed in the box, stirring impellers of the stirrer are inserted into the guiding pipe, and a liquid level sensor is further arranged in the box.

The invention discloses a washing machine provided with a washing powder dissolving device. The washing machine comprises a machine shell, an outer cylinder, an inner cylinder and an impeller. A detergent box and the washing powder dissolving device are arranged above the machine shell. The washing powder dissolving device comprises a box body, a guide pipe and a stirrer. The right side of the box body is provided with a water inlet, the outer side of the water inlet is provided with a water inlet electromagnetic valve, the water inlet electromagnetic valve is connected with a water inlet tee joint through a water pipe, and the water inlet tee joint is connected with the detergent box through a water pipe. The bottom of the box body is provided with a water outlet, the outer side of the water outlet is provided with a water outlet electromagnetic valve, and the water outlet electromagnetic valve is connected with a water outlet tee joint through a water pipe. The water inlet tee joint is connected with the water outlet tee joint through a branch water pipe. The guide pipe is fixed into the box body and divided into a vertical segment, an elbow segment and a horizontal segment. The vertical segment and the horizontal segment are connected through the elbow segment. The stirrer comprises a motor and a stirring impeller. The motor is arranged above the box body, and the lower end of an output shaft of the motor penetrates into the box body and inserted into the vertical segment of the guide pipe. The stirring impeller is fixed to the lower end of the output shaft of the motor. The inner side of the box body is further provided with a liquid level sensor and a temperature sensor.

The invention discloses a washing machine with a detergent dissolution device. The washing machine comprises a machine casing, an outer barrel, an inner barrel and an impeller. A detergent box and the detergent dissolution device are arranged on the upper portion of the machine casing. The detergent dissolution device comprises a water containing pipe, a guide pipe installed in the water containing pipe and a stirrer installed on the water containing pipe. The stirrer comprises a motor and a stirring impeller, the motor is fixedly installed above the outer side of the water containing pipe, an output shaft of the motor penetrates into the water containing pipe to be inserted in the guide pipe, the stirring impeller is fixedly installed at the lower end of the output shaft of the motor, the water containing pipe is further provided with a water inlet and a water outlet, a water inlet solenoid valve is installed on the outer side of the water inlet, and a water outlet solenoid valve is installed on the outer side of the water outlet. The water inlet solenoid valve is connected with the detergent box through a water pipe, the water outlet solenoid valve is connected with a water pipe for leading washing water flowing through the water outlet solenoid valve into the inner barrel, and a liquid level sensor is further arranged in the water containing pipe.

The invention relates to a motor shaft surface coating structure applied to a power tool turret. The motor shaft surface coating structure comprises a main shaft, a front bearing and a rear bearing, wherein the front bearing and the rear bearing are assembled on the two sides of the main shaft. The main shaft is supported by the front bearing and the rear bearing at the two ends and forms axial positioning; the outer side of the front bearing and the outer side of the rear bearing are connected with a front flange plate and a rear flange plate respectively; the front flange plate and the rearflange plate are mounted at two ends of the main shaft box; an end cover is installed on the outer side of the front flange plate; a front oil seal and a rear oil seal are installed in the end cover and the rear flange plate respectively; oil seal lips of the front oil seal and the rear oil seal are in contact with the outer circle of the main shaft and are in sliding friction with the outer circle of the main shaft; a front wear-resistant coating and a rear wear-resistant coating are respectively arranged on contact areas of the main shaft and the front oil seal and the main shaft and the rear oil seal. According to the invention, the coating structure is compact in structure; the problem that the main shaft is difficult to seal due to the fact that the main shaft box is arranged in a cutter head structure is solved; and the service life of the sealing structure can be greatly prolonged especially when the main shaft rotates at high speed.

The invention relates to the technical field of woven bags, in particular to an environment-friendly plastic woven bag. The environment-friendly plastic woven bag comprises a woven bag main body and aplacing frame for placing the woven bag main body, wherein the placing frame comprises a base, two ends of the upper surface of the base are respectively provided with supporting columns, the upper ends of the two supporting columns are connected with an annular mounting plate, two ends of the annular mounting plate are respectively provided with a first mounting through hole, a connecting rod isfixedly connected in each first mounting through hole, the upper end part of each connecting rod penetrates through the corresponding first mounting through hole, the bottom end of each connecting rod is fixedly connected with a supporting plate, and an opening of the woven bag main body is provided with two woven bag through holes which are matched with the connecting rods. According to the environment-friendly plastic woven bag, sandy soil can be added into the woven bag main body by a single person, and in the process of adding the sandy soil, the woven bag main body can be effectively prevented from deforming and interfering with the filling of the sandy soil. Therefore, the manufacturing efficiency of flood control bags is effectively improved, and the flood control effect is improved.

The invention relates to the technical field of microbial culture, and concretely relates to a culture medium apparatus provided with an anaerobic device, and a culturing method. The problems of provision of an effective anaerobic environment in the anaerobic culture process, and complicated sterilization and subpackaging extraction during culture experiments of a large amount of microbes are solved in the invention, and the problems of cross pollution between/among different culture media and the bacterial pollution risk brought in the culture medium packaging process are also prevented. The apparatus is disclosed against the problems during the storage of a liquid culture medium and can conveniently provide the anaerobic environment. The culture medium apparatus provided with the anaerobic device is a closed container, the closed container comprises a culture medium storage space and an anaerobic bag storage space; the culture medium storage space mutually communicates with the anaerobic bag storage space; and the closed container is provided with a seal membrane structure.

The invention discloses an energy-saving pump with ultralow specific speed, which is characterized in that a rotor consisting of a pump body and an impeller is mounted in a cavity formed by a top cap and a connecting plate, the upper end of the rotor is connected with a motor, the lower end of the rotor is arranged in a center hole of the connecting plate through a hollow shaft of the impeller, a circular water outlet is arranged at the outer edge of the impeller, a base is connected with the connecting plate, a vertical pipe of an inverted-L-shaped water collection pipe is arranged in the hollow shaft of the impeller, the lower portion of the vertical pipe is fixed to the center hole of the base by a positioning sleeve in a threaded connection manner, a flat key is arranged between the positioning sleeve and the center hole, a cross pipe of the water collection pipe is arranged above the impeller, a water inlet is arranged at the outer end of the cross pipe, a water inlet pipe at the base is communicated with the hollow shaft, and a water outlet pipe is communicated with the water collection pipe. The energy-saving pump is simple in structure, reliable in running, low in flow, high in lift, high in performance adaptability and efficiency and reliable in sealing performance, and is particularly suitable for occasions having requirements for low flow, high lift and constant pressure.

The invention discloses an energy-saving washing machine with a box-shaped washing powder quick dissolving device. The washing machine is characterized in that a washing powder dissolving device is arranged on a case; a heat exchanger is arranged in the case; a hot and humid air inlet, a cold air outlet, a hot and humid air outlet and a cold air inlet are formed in the heat exchanger; the cold air outlet, a fan, an electric heater and a warm air feeding hole are connected by a pipeline; a hot and humid air discharge outlet is connected with the hot and humid air inlet by a pipeline; the cold air inlet is connected with a filter and an air suction inlet by a pipeline; the washing powder dissolving device comprises a box, a guide pipe and a stirrer; a water inlet solenoid valve and a water outlet solenoid valve are installed outside a water inlet and a water outlet in the box respectively; the water inlet solenoid valve and the water outlet solenoid valve are respectively connected with a water inlet tee joint and a water outlet tee joint by water pipes; the water inlet tee joint is connected with a detergent box by a water pipe; the water inlet and outlet tee joints are connected by a branch water pipe; a heating wire is wound outside a horizontal section of the guide pipe; a drag plate is arranged in the horizontal section; a stirring impeller of the stirrer is inserted in a vertical section; and a liquid level sensor and a temperature sensor are also arranged in the box.

The invention discloses a washing machine with a washing powder dissolving device. The washing machine comprises a machine shell, an outer tub, an inner tub and an impeller. A detergent box and the washing powder dissolving device are arranged at the upper portion of the machine shell. The washing powder dissolving device comprises a water containing pipe, a guide pipe arranged in the water containing pipe, and a stirrer arranged on the water containing pipe. The stirrer comprises a motor and a stirring impeller. The motor is fixedly installed above the outer side of the water containing pipe. An output shaft of the motor penetrates into the water containing pipe and is inserted into the guide pipe. The stirring impeller is fixedly installed at the lower end of the output shaft of the motor. A water inlet and a water outlet are formed in the water containing pipe. A water inlet electromagnetic valve is installed on the outer side of the water inlet. A water outlet electromagnetic valve is installed on the outer side of the water outlet. The water inlet electromagnetic valve is connected with a water inlet three-way joint through a water pipe. The water inlet three-way joint is connected with the detergent box through a water pipe. The water outlet electromagnetic valve is connected with a water outlet three-way joint through a water pipe. The water inlet three-way joint is connected with the water outlet three-way joint through a branch water pipe. A liquid level sensor is arranged in the water containing pipe.

The invention relates to the technical field of microbial culture, specifically relates to a culture medium storage apparatus, and aims to overcome the problem of trouble in sterilization and sub-package and extraction of the culture medium in a microbial culture experiment with a huge amount of sample size, prevent from the problem of cross infection between different culture mediums and avoid the microbiological contamination risk in the culture medium sub-package process; for solving the problems existing in the liquid culture medium storage, the invention provides the culture medium storage apparatus; the culture medium storage apparatus comprises a culture medium storage container and a sealing film structure arranged on the culture medium storage container; and the culture medium storage container is 2-10ml in volume.

The invention discloses a tube-type solid oxide fuel cell monocell and a preparation method thereof. In the tube-type monocell, a fuel cell generation tube body is arranged in a cathode shell, a cathode air inlet tube and a cathode air outlet tube are arranged between the cathode shell and the fuel cell generation tube body, an upper connector of the fuel cell generation tube body is arranged at the upper end of the fuel cell generation tube body, a lower connector of the fuel cell generation tube body is arranged at the lower end of the fuel cell generation tube body, and a cathode binding post and an anode binding post are arranged at a position where the fuel cell generation tube body and the cathode shell are in contact. With the adoption of a ceramic sealing sintering technique, all components of the fuel cell monocell are sealed and sintered to form an integrated ceramic structure, the problem of difficulty in sealing of all components of the solid oxide fuel cell in a high-temperature working condition is avoided, and the solid oxide fuel cell is further easy to assemble and build.

The invention discloses a low-noise washing machine with a box-shaped detergent instant dissolver. The low-noise washing machine comprises a machine shell, an outer barrel, an inner barrel and an impeller, and a detergent box and a detergent dissolving device are arranged on the machine shell; a first permanent magnet is arranged at the upper end of the outer side of the outer barrel, a second permanent magnet is arranged on the inner side of the machine shell, and the two permanent magnets are magnetically arranged oppositely; the detergent dissolving device comprises a box body, a guide pipeand a stirrer, a water inlet and a water outlet are formed in the box body, a water inlet electromagnetic valve and a water outlet electromagnetic valve are arranged outside the water inlet and the water outlet, the water inlet electromagnetic valve is connected with the detergent box through a water pipe, and the water outlet electromagnetic valve is connected with a water pipe for guiding waterinto the inner barrel; the guide pipe is installed in the box body, the outer side of the guide pipe is wound with an electric heating wire, and the inner side of the guide pipe is provided with a resistance plate; the stirrer comprises a motor and a stirring impeller, the lower end of an output shaft of the motor penetrates into the box body through a shaft hole formed in the upper portion of the box body and is inserted into the guide pipe, and the stirring impeller is fixed to the lower end of the output shaft of the motor; and a liquid level sensor and a temperature sensor are further arranged on the inner side of the box body.

The invention discloses an energy-saving machine provided with a box-shaped detergent dissolving device. The energy-saving washing machine is characterized in that the detergent dissolving device is arranged at the upper part of a case, and a heat exchanger is arranged in the case; a wet and hot air inlet, a cold air outlet, a wet and hot air outlet and a cold air inlet are formed in the heat exchanger; the cold air outlet, a fan, an electric heater and a warm air supply port are connected through a pipeline, a wet and hot air exhaust port is connected with the wet and hot air inlet through a pipeline, and the cold air inlet is connected with a filter and an air suction port through a pipeline. The detergent dissolving device comprises a box, a guiding pipe and a stirrer, wherein a water inlet and a water outlet are formed in the box, and a water inlet solenoid valve and a water outlet solenoid valve are mounted on the outer sides of the water inlet and the water outlet respectively and are connected with a water inlet tee joint and a water outlet tee joint through water pipes respectively; the water inlet tee joint and a detergent box are connected through a water pipe, and the water inlet tee joint and the water outlet tee joint are connected through a branch water pipe; a liquid level sensor is further arranged in the box.

The invention discloses a washing powder dissolving device. The washing powder dissolving device comprises a box body, a guiding pipe and a stirrer. A water inlet used for leading washing water into the box body is formed in the right side of the box body, and a water inflow electromagnetic valve is installed on the outer side of the water inlet. A water outlet used for discharging the washing water in the box body is formed in the bottom of the box body, and a water outflow electromagnetic valve is installed on the outer side of the water outlet. The guiding pipe is detachably and fixedly arranged in the box body and composed of a vertical segment, an elbow segment and a horizontal segment, and the vertical segment and the horizontal segment are connected through the elbow segment. The stirrer comprises a motor and a stirring impeller, the motor is fixedly installed above the outer side of the box body, and the lower end of a motor output shaft penetrates into the box body through a shaft hole formed in the upper portion of the box body and is inserted into the vertical segment of the guiding pipe. The stirring impeller is fixed to the lower end of the motor output shaft. A liquid level sensor is further arranged on the inner side of the box body. The washing powder dissolving device can fully use the idle space of a washing machine, and therefore washing powder can be fully dissolved.