92 results about "Large mouth" patented technology

The invention relates to a method of manufacturing a brake drum by utilizing a metal-typed sand covering technique, comprising a die joint is determined by the maximum diameter position of the brake drum, a lower joint is determined by a large mouth part and an upper joint is determined by a small mouth part; an internal model and an external model are respectively arranged in order to ensure the internal profile dimension and the external profile dimension of the brake drum; an internal sand box and an external sand box are respectively arranged in order to manufacture the lower joint and the upper joint of the brake drum; after the internal model and the internal sand box, the external model and the external sand box are assembled according to prearranged clearances, the internal sand box and the external sand box are covered with sands through a sand injection hole; metal liquid is poured after the internal sand box and the external sand box with sand cover are tightly locked. The invention has the advantages of improving working environment, more precise dimension of the castings, better surface quality, higher yield, lower cost and higher production efficiency.

The invention relates to a solid oxide fuel battery of taper-pipe anode support and battery group. Wherein, said battery comprises a porous anode support, a dense electrolyte film, and a porous cathode film. The porous anode support is in taper pipe shape whose one end mouth is large and another is small while the edge of small mouth is arc; the dense electrolyte film covers the outer edge of porous anode support; the cathode layer is at the upper layer of dense electrolyte between the arc edge of small mouth and the edge of large mouth. The battery group is formed by the outer edge of small mouth of said battery and the inner edge of big mouth of another inventive battery via the sealing material. The inventive battery has small size, high output power, easy production and the application of small SOFC electric pile. The cathode of said battery can be connected to the anode of another battery in series via sheathing one taper pipe on another taper pipe, with easy sealing.

The invention relates to a method for preparing a canned steamed large-mouth fish head with diced hot red peppers and is characterized in that a fresh large-mouth fish head, which is cut from the eyes, is chosen, immersed and seasoned in the tea water with salt and is packaged into a can container after the water is drained; diced kelp, diced hot red peppers and condiment liquid are added into the container with the weight percentage of the fish head of 45 to 55 percent, diced kelp of 10 to 20 percent, diced hot red peppers of 4 to 7 percent and condiment liquid of 25 to 35 percent; the gas in the can is dissolved out after the container is opened and heated for 15 to 30 minutes in the temperature condition of more than 85 DEG C; after the can is sealed, the sterilization is carried out for 60 to 90 minutes at temperature of 100 to 120 DEG C, and the head is cooled to room temperature, thus forming the canned steamed large-mouth fish head with diced hot red peppers. The canned large-mouth fish head manufactured with the method integrates the nutritional components of the large-mouth fish head, diced kelp, diced hot red peppers and condiment liquid and is rich in nutrition, delicious in taste, long in shelf life and convenient in eating as well as improves the added value produced by heads of large-mouth fish, reduces the waste of resources. The manufacturing method of the invention is reasonable in process, feasible in operation and is suitable for industrial production.

The invention relates to a directly-pushing connecting pipe joint comprising a joint body (3) with a through hole (2) for the insertion of a connecting pipe (1) to be connected. A sealing rubber ring (5) forming a water-tight seal with the body of the connecting pipe (1) to be connected is mounted in the through hole (2), stepped holes respectively having a large interior and a small exterior are respectively arranged at both ends of the through hole (2); the outer small hole is a sealing section (6) and has an inside diameter adaptive to the outer diameter of the connecting pipe (1) to be connected; the inner large hole is a horn hole (7) with a large mouth facing inward; a gap is formed between the inner wall of the horn hole (7) and the connecting pipe (1) to be connected; the sealing rubber ring (5) is mounted at the innermost end of the gap which is also provided with an elastic open clasp ring (8); and a circular clasp ring groove (9) corresponding to the elastic open clasp ring (8) is arranged outside the connecting pipe (1) to be connected. The groove in the joint body (2) of the connecting pipe (1) is directly arranged on the inner end wall of the horn hole (7) so that the joint body avoids generating great curvature change in a very short time and can be made by once profiling a cold expanding pipe to save raw materials and decrease the cost.

The invention discloses a method for collecting and separating medaka zygotes, and relates to the technology of fish zygote separation. In order to solve the technical problems, the invention provides the method for collecting and separating the medaka zygotes for preventing egg membranes from being punctured. The invention adopts the technical scheme that the method adopts a soft small brail, disposable engineering plastic inoculation cups, a large-mouth suction tube and culture dishes. The method is characterized by comprising the following steps of: fishing female fishes of which bellies are hung with eggs within 1 to 6 hours after laying eggs to the water surface by using the soft small brail, taking down the egg blocks by using the disposable inoculation cup, and transferring the taken-down egg blocks to the glass culture dish filled with Ringer's culture solution to perform separation; and mutually stretching the inoculation cups held in the left and right hands to break the egg silks and separate the zygotes, sucking the separated single eggs to the other culture dish filled with the Ringer's culture solution by using the large-mouth suction tube to perform hatch, and controlling the hatching temperature to be between 25 and 26 DEG C. The method is used for embryo observation and experiments.

The invention relates to a flow passage component of a pump, in particular to a flow passage component of a high-temperature high-pressure coal chemical industry, belonging to the fluid machinery field. The flow passage component of the high-temperature high-pressure coal chemical industry comprises an impeller, a guide vane and a scaleboard; a female end of the scaleboard is located with a male end of an excircle surface of a large mouth end at right side of the guide vane in a matching way, a fastening screw penetrates through a cylindrical through hole to lead the guide vane and the scaleboard to be fixed on a pump cover, the impeller is arranged on a pump shaft and is arranged between the guide vane and the scaleboard. In the invention, the guide vane and the scaleboard are arranged ina pump body, the guide vane is used for protecting the pump body to reduce erosion wear of medium to the pump body, and the scaleboard can protect the pump cover to reduce abrasion of the medium to the pump cover. The flow passage component aims at overcoming the problems that a bearing pump body and the pump cover of the existing slurry pump are seriously wore at a circulating work station of aslurry tank, and the service life is short, thereby developing a new flow passage component of the high-temperature high-pressure coal chemical industry, improving the service life of the pump and reducing the maintenance cost of the pump.

The invention specifically relates to a rapid filtering apparatus for tea oil, belonging to the technical field of tea oil production equipment. The rapid filtering apparatus comprises a pedestal; the pedestal is provided with an oil storage tank and a support column; the support column is connected with a platform; a barrel is mounted on the platform; the upper end of the barrel is provided with a barrel cover; a plurality of cylinders are vertically arranged on the platform and uniformly distributed around the barrel; the upper ends of the cylinders are connected with the barrel cover; the barrel cover is provided with an oil inlet pipe; one end of the oil inlet pipe penetrates the barrel cover and extends into the barrel; the barrel cover is further provided with a driving motor; the driving shaft of the driving motor vertically extends downward and is fixedly connected with a vertical rotating shaft; the rotating shaft penetrates the barrel cover and is connected with a filtering mechanism in the barrel; the filtering mechanism comprises one truncated cone-shaped filter tube network with an upward large-mouth end; and the oil outlet end of the oil inlet pipe is located at the inner side of the large-mouth end of the filter tube network. The rapid filtering apparatus provided by the invention can improve tea oil filtering speed and guarantee high-efficiency filtering operation of the filtering mechanism.

The invention relates to a water draining tee capable of generating rotational flow, which is connected into a whole by a vertical pipe body and a side pipe body; the side pipe body is spiral downwards at the right and is communicated with the right side of the vertical pipe body; the vertical pipe body is formed by a cylindrical pipe, a conical pipe and a bell mouth of an elastic sealing ring; the large mouth end of the conical pipe is connected with the lower end of the cylindrical pipe, and the inner diameter and the wall thickness of the large mouth end of the conical pipe are the same as those of the cylindrical pipe; a small mouth end of the conical pipe is connected with the bell mouth of the elastic sealing ring, and the inner diameter and the wall thickness of the small mouth end of the conical pipe are the same as those of the bell mouth of the elastic sealing ring; a spiral guide vane is arranged on the conical pipe along the dextrorotation of the inner wall; a groove is arranged in the middle of the bell mouth of the elastic sealing ring and is internally provided with the elastic sealing ring; a side rotary pipe of the side pie body is spiral downwards at the right and is communicated with the right side of the cylindrical pipe, and the wall thickness of the side rotary pipe is the same as that of the cylindrical pipe; the included angle between the centre line of the side pipe body and the center line of the vertical pipe body is alpha, and the included angle between a guide inclined plane of the side pipe body and the center line of the vertical pipe body is gamma; the joint between the bottom of the side pipe body and the vertical pipe body takes on u-type transition, so that the water circulating capability of a water draining system is improved, and the water draining noise can be reduced.

A system and method are disclosed for a suction nozzle for attachment to a vacuum source, such as a suction line, to collect debris such as airborne particles. The suction nozzle includes a tubular-shaped funnel with a large mouth at one end, to receive and channel airborne debris to the vacuum source. The suction nozzle also includes a connector at an opposite end of the funnel, for connecting the suction nozzle to a vacuum source. The mouth of the funnel may further include an inwardly-extending rim portion, which is shaped to accommodate objects that may be adjacent to the funnel and its mouth. The mouth includes a lip extending inwardly from the rim of the mouth for helping deflect debris inwardly into the funnel. In one embodiment, the rim portion of the funnel mouth may further include a scraper portion which extends inwardly from the rim, toward the interior of the funnel mouth. This scraper portion is useful for helping to remove debris from instruments or other.

The invention discloses a cooling and damping sneaker which comprises an upper, a midsole, outsole and an insole. Inclining midsole vent holes are formed in the midsole and runs through the edge of the insole and extends to the foot bed of the midsole. The midsole fabric, making contact with the foot bed of the midsole, of the upper is provided with midsole fabric vent holes. After combination, external normal-temperature air enters the large-mouth vent holes outside the midsole and passes through a vent channel of the midsole and the small-mouth vent holes inside the midsole, cooled air flowsinto a shoe cavity through the midsole fabric vent holes and the insole vent holes, and the environment temperature in the shoe cavity is reduced. Due to the design of the midsole vent holes, the whole shoe bottom is of a hollowed-out structure, in the activity process, the hollowed-out structure absorbs a large amount of ground impact through the compressive deformation of the hollowed-out structure, and the sneaker has a buffering and damping effect.

The invention discloses a ventilation hole structure for a rainproof type relay. The ventilation hole structure for the rainproof type relay comprises a shell and a base; the shell is provided with acavity having a downward opening, so that internal parts of the relay are contained; the base is embedded at the bottom of the shell; a vertical raised rib downwardly extending along the top is arranged outside one side wall of the shell; a groove having a downward opening is arranged on the bottom end face of the raised rib; a through hole is arranged in one side wall of the shell; the through hole is communicated with the groove; furthermore, the groove is set to a structure having a large mouth and a small internal part; and the through hole and the groove form the ventilation hole of the relay. According to the ventilation hole structure for the rainproof type relay disclosed by the invention, the structure of the ventilation hole is improved; therefore, the structure is simple; a module can be conveniently released when a part is produced; furthermore, optical cement can be prevented from flowing into the interior of the relay from the small hole at the broadside of the shell; andthus, the use performance of the relay is ensured.

The invention discloses a no-overhanging pin patch type silica gel elastic button comprising a pedestal and a button soft body. The button soft body comprises a button convex body, an elastic soft body and a conductive contact. The elastic soft body is a tapered cylinder shape. The small mouth internal edge of the elastic soft body is connected with the button convex body. The large mouth end of the elastic soft body is connected with the upper surface of the pedestal. The conductive contact is arranged at the lower end surface of the button convex body. The no-overhanging pin patch type silica gel elastic button is characterized in that the pedestal is internally provided with internal pins which do not exceed the external side of the pedestal. The lower end surfaces and the external side surfaces of the internal pins are welding surfaces. The internal pins are arranged on pin supports. Pin connecting frames connected with the internal pins are arranged between the internal pins. The internal pins and the pin connecting frames are included in the pin supports. The secondary bending process of pin welding is avoided by the button, and pin coplanarity is great so that the requirements for pin size, shape and number of different buttons can be simply realized. The button is suitable for application of surface mounting and also has advantages of high-density arrangement, low manufacturing cost and great practicality.

The invention discloses a wind power generation device capable of tracking and gathering wind. The wind power generation device comprises a base, a support, a wind gathering barrel and a wind power generator, wherein the support comprises a rotary shaft; the support is arranged on the base through the rotary shaft; the wind gathering barrel is fixed on the rotary shaft; the wind power generator is fixed on the support; the relative positions of the wind gathering barrel and the wind power generator are always unchanged; the wind gathering barrel is of a horn mouth shape; the smaller mouth of the horn mouth is fixedly aligned with the wind power generator; the large mouth of the horn mouth faces outwards; the wind direction can be tracked without consuming external energy; and the wind energy can be gathered, and the wind power is increased and then is utilized for power generation. The wind power generation device capable of tracking and gathering wind has the advantages of being simple in structure, low in cost, easy for operation, suitable for promotion and convenient for disassembly and assembly.

The invention discloses an SBH15-M sealed amorphous alloy power transformer, and belongs to the field of power transformers. The SBH15-M sealed amorphous alloy power transformer comprises a transformer body, wherein the transformer body is internally provided with an oil tank; an oil column is mounted at the left upper end of the transformer body; the oil column is communicated with the oil tank;a self-vibration funnel is inserted in the oil column; the self-vibration funnel comprises a large-mouth oil storage bucket and a narrow-mouth oil leakage pipe; vibration can be generated during an oil complementation operation through a vibrating four-way ball, so as to enable transformer oil to enter the oil tank rapidly, thereby greatly improving the oil complementation efficiency; due to the using of the vibrating four-way ball, the operators do not need to manually swing the oil complementation funnel during the oil complementation, so that the oil complementation safety is improved and the sudden sprinkling probability of the transformer oil is reduced; and through the using of a color checking and sampling mechanism, oil complementation and sampling detection are synthesized into aone-step operation, so that the frequency of opening the oil column is decreased and the workload of the operators can be reduced.

The invention discloses a device for pumping recycled water by utilizing the kinetic energy of tap water. The device comprises a pump body, an impeller, a power wheel and a power bin, wherein the power wheel and the power bin are coaxially arranged with the impeller; the power wheel comprises a wheel disc and a water skip/blade. The device is characterized by further comprising an aqueduct and a draft tube which are connected with the power bin; the inner wall of the power bin is close to the circular space formed by rotation of the wheel disc and the water skip/blade; the aqueduct comprises a gradually-reducing conical tube; the draft tube mainly comprises a gradually-enlarging conical tube; the diameter of the impeller is larger than that of the power wheel; the axes of the aqueduct and the draft tube coincide, and are tangent to part of the center line of a circular cavity; the circular cavity is formed by surrounding the water skip/blade with the power bin; the large mouths and the small mouths of the aqueduct and the draft tube have the same calibers respectively; the caliber of each small mouth is equal to the inner diameter of the circular cavity. Compared with the prior art, the device is simpler in structure, smaller in size, lower in cost, and easy to mount and popularize, and has the benefits that the tail water flow rate is maintained, and the utilization rate of water resources is improved.

An ice cube preparation device is used for preparing ice cubes for ice sculpture exhibitions with a certain scale and can also be used for preparing ice cubes for other purposes. By using the physical properties of water and ice, the device adopts large-mouth small-bottom and adding overflow pipes to the bottom to solve the problem of ice expansion in a cheap thin metal shell. Heat insulation and heating means are taken at the bottom to solve the problem that icing in the tank in advance to seal a part of water in the ice to damage the quality of ice. Water with color is added to make color ice. After solving the ice expansion problem, an internal model approach is used for making ice cubes with complex shapes. The purpose of energy-saving is achieved by using natural cold air for cooling or initiatively speeding up the flow of cold air to exchange heat. The flow of cold air can be controlled to prevent warm air to extend the effective working cycle. The convenience of movement is considered in design. The device can work at many places by seasons and efficiency is improved.

The invention discloses a portable bottle with a lifting rope. The portable bottle comprises a spiral threaded bottle cover, the lifting rope, an airtight anti-leakage gasket, a filter screen and a special bottle body. The spiral threaded bottle cover comprises a small-mouth threaded cover body, a large-mouth threaded cover body and a cover body, a buckle for fixing the lifting rope is arranged on the small-mouth threaded cover body, the small-mouth threaded cover body is screwed on the cover body through a thread, and the large-mouth threaded cover body is compressed in the cover body through a high-temperature pressing mode. The airtight anti-leakage gasket is made of food-grade silica gel, and is arranged in the large-mouth threaded cover body, the special bottle body is a double-layer glass bottle body, a segment of thread matched with the large-mouth threaded cover body is arranged on the upper portion of the special bottle body, and the filter screen is placed below the thread segment of the bottle body. The portable bottle is simple in manufacturing process, high in practicality and suitable for being used in the daily life of people.

The invention discloses a device for improving the water quality of a river bottom. The device comprises a horizontal reaction tube placed at the river bottom and a cavity floating on the surface of the river, a storage battery is arranged in the cavity, the external of the cavity is fixedly provided with solar battery panels connected to the storage battery, and the outer wall of the reaction tube is provided with a heat insulation layer; the inner wall of the reaction tube is provided with a constant temperature heater connected with the storage battery, an anaerobic reaction section, a throat tube, an aerobic reaction section and electric blades are sequentially arranged in the reaction tube, the throat part of the throat tube is provided with an upward vertical thin tube, and the top end of the thin tube is located above the river surface; the upper part of the pipeline of the aerobic reaction section is provided with an opening connected with a vertically upward cylinder, the inside of the cylinder is a mirror surface, the top of the cylinder is a bell mouth, and the top large-mouth end cover of the bell mouth is provided with a convex lens; and the electric blades connected with the storage battery are arranged at the end part of the reaction tube. The device has a very good treatment effect on river pollutants, can continuously perform the treatment in an all-weather manner, and can realize the degradation of the entire river pollutants.