15results about How to "Improve sealing function" patented technology

The invention provides a multi-layer composite spherical tank heat insulation structure which comprises a plurality of felt-shaped heat insulation material layers and paste-shaped heat insulation material layers which are alternately arranged on a storage tank body and wrap the storage tank body. The felt-shaped heat insulation material layer and the paste-shaped heat insulation material layer are both aerogel coatings. Comprising strip-shaped heat insulation materials which are wound on the surfaces of felt-shaped heat insulation material layers in a transverse or longitudinal mode and used for fixing the first felt-shaped heat insulation material layer, the third felt-shaped heat insulation material layer, the fifth felt-shaped heat insulation material layer and the like. The netted heat insulation layer is used for fixing the second layer, the fourth layer, the sixth layer... the felt-shaped heat insulation material layer; and the outer protective layer structure plays a role in protecting the whole heat insulation structure. The aerogel felt and the aerogel coating are jointly applied to the storage tank heat insulation field for the first time, and compared with a traditional heat insulation material, the material has the obvious advantages of heat insulation, fire prevention, hydrophobicity and the like; the energy-saving effect of a heat insulation system can be improved, the service life can be prolonged, and the anti-corrosion function, the bonding function, the sealing function, the protection function and the like of a heat insulation structure can be improved.

The invention discloses a lightning protection device for power supply equipment, and relates to the technical field of power supply equipment lightning protection, and the lightning protection device comprises a lightning protection mechanism, the lightning protection mechanism comprises a lightning rod, the bottom of the lightning rod is provided with a connecting piece, the bottom of the connecting piece is electrically connected with an equipment box through a wire, and the outer side of the lightning protection mechanism is provided with a protection mechanism. And a removing mechanism is arranged on the outer side of the protection mechanism. The insulation protection box covers the outer side of the equipment box, the inner side of the insulation protection box is matched with the air buffering bag through the fixing columns to provide a buffering and supporting function, the lightning rod is connected with the bearing plate through the fixing mechanism, the lightning rod is fixedly installed on the bearing plate, and the air buffering bag buffers wind power and external force borne by the lightning rod; when a heavy object such as clothes is encountered or the gravity is increased due to freezing, the lightning rod moves downwards to drive the lower air buffer bag to be in contact with the upper part of the equipment box, and the weight change of the lightning rod can be monitored constantly in cooperation with a gravity sensor.

The present invention relates to a food processing machine with reliable control, comprising a machine body and a water supply component, a crushing component and a pulping component arranged on the machine body, the crushing component comprising a pulping chamber and a crushing member arranged in the pulping chamber, the water supply component providing a water source to the pulping chamber, the pulping chamber being provided with a pulping outlet, the pulping component being connected to the pulping outlet and guiding the pulp out of the pulping chamber, the pulping component comprising a pulping channel, a blocking member and a driving member, the pulping channel having a containing space, the blocking member being movable in the containing space to close the pulping channel, and the driving member being arranged outside the pulping channel to magnetically drive the blocking member. By moving the blocking member in the containing space to close the pulping channel, the control component does not need to be too large in size to be realized, thereby reducing the space occupied by the food processing machine and improving the space utilization rate of the food processing machine. By relying on the magnetic drive of the blocking member, the blocking member can be controlled in both the closed state and the non-closed state, and can ensure that the blocking member is in the closed position quickly, efficiently and stably.

The utility model relates to the technical field of sterilization, and discloses a sterilization device for dairy product production, which comprises a shell, two electric push rods are fixedly connected in the shell, the bottoms of the two electric push rods are fixedly connected with the same scraping block, the top of the shell is fixedly connected with a motor, and the motor is fixedly connected with a motor. A motor is fixedly connected to the bottom of the shell, a vertical shaft is fixedly connected to the bottom of the motor, a plurality of stirring rods are fixedly connected to the outer side of the vertical shaft, two scraping rods are fixedly connected to the bottom of the vertical shaft, and a heating pipe is fixedly connected to the interior of the shell. The sterilization device for dairy product production has the advantages of being low in use cost, clean in discharging and the like, and solves the problems that when the sterilization device is used, most existing sterilization devices do not have a wall scraping function, so that the inner walls of the sterilization devices adhere to a large number of dairy products when the dairy products are discharged after sterilization is completed, and then the dairy products are wasted; and the use cost of the sterilization device is increased.

The utility model relates to the technical field of sampling tubes, in particular to a novel blood sampling tube which comprises a temporary support, a plurality of circular grooves are formed in the top of the temporary support, blood sampling tubes are placed in the circular grooves, and first annular anti-falling blocks and second annular anti-falling blocks are arranged on the outer walls of the blood sampling tubes. Four first rubber positioning sheets which are arranged in an annular array are arranged at the middle upper part of the inner wall of the circular groove, and two second rubber positioning sheets which are arranged in a bilateral symmetry manner are arranged at the positions, close to the bottom, of the inner wall of the circular groove. According to the novel blood sampling tube, a first annular anti-falling block and a second annular anti-falling block are arranged and are matched with a first V-shaped groove in a first rubber positioning piece and a second V-shaped groove in a second rubber positioning piece respectively, so that the movement of the blood sampling tube in the longitudinal direction and the transverse direction can be effectively limited, and the blood sampling tube is prevented from moving or sliding due to shaking; the stability of the sampling pipe is greatly improved, and the sampling pipe is particularly suitable for being used in transportation or bumpy environments.

The utility model discloses a microwave heating packaging bag, including bag body and its setting exhaust area. The exhaust area is from inside to outside in proper order for inner layer, adhesive layer, release layer and outer layer. Inner layer is equipped with fourth knife line, and adhesive layer is equipped with the third knife line coincident with it, and release layer is equipped with the second knife line coincident with it, and outer layer is equipped with first knife line. The knife line encloses the area and is all located in release layer area. When microwave heating, the steam pressure in the bag breaks through the knife line of inner layer, adhesive layer and release layer in proper order, enters the clearance between release layer and outer layer, and finally breaks through the first knife line of outer layer and discharges, prevents the bag body explosion. Release layer reduces the adhesion between outer layer and adhesive layer, and is favorable to steam diffusion. When daily storage, the outer layer and release layer other parts are closely bonded, ensure good sealing property, prolong food shelf life.

The utility model discloses an electromagnetic shielding cold shrink sleeve, which relates to the technical field of cold shrink sleeves and comprises a cold shrink sleeve. The reinforcing ribs are fixedly connected in the cold shrinkage sleeve; the supporting mechanism is arranged in the cold shrinkage sleeve and is used for expanding the cold shrinkage sleeve; the supporting pipe is arranged in the supporting mechanism and is used for supporting the inner support of the mechanism; and a closing mechanism. According to the electromagnetic shielding cold shrinkage sleeve, through the use of the reinforcing ribs, the overall structural strength of the cold shrinkage sleeve is improved, the phenomenon that the cold shrinkage sleeve is broken due to mechanical damage or electric shock in the installation process is reduced, the shrinkage force is more uniform, the protection effect and the sealing function are improved, and through the use of the supporting pipe, the electromagnetic shielding cold shrinkage sleeve is more convenient to use. The inner supporting core piece cannot collapse due to extrusion of external force in the transportation and using process, the using effect is improved, and the sealing mechanism ensures that the appearance is fixed when the whole is not used, and the whole stability is ensured.

The utility model discloses a cable explosion -proof box belongs to cable equipment technical field, including mounting spare and glue injection spare, two mounting spares can be relatively buckled and detachable connection to form explosion -proof box body, and the inside of explosion -proof box body forms sealed cavity, and the both ends of sealed cavity are provided with fixed line passageway, and fixed line passageway one end communicates sealed cavity, and the other end communicates outside, and fixed line passageway and sealed cavity coaxial setting, glue injection spare fixed connection in any mounting spare, and the glue injection passageway of being through being provided on glue injection spare, and glue injection passageway communicates sealed cavity with outside, is used to inject solidified explosion -proof glue in sealed cavity. The cable explosion -proof box through the design of mounting spare and glue injection spare, has realized the assembly of cable explosion -proof box convenientization and has dismantled, has effectively promoted the sealing and explosion -proof performance to cable and junction box interface, has guaranteed the stable safe operation of cable and related equipment.

The utility model relates to the technical field of air pipes, and discloses an air pipe with good sealing performance for a fan for clinker production. The air pipe with the good sealing performance for the draught fan for clinker production comprises an air pipe body, one side of the air pipe body is movably connected with a connecting pipe, the outer surface of the air pipe body is movably connected with a clamping base, the lower portion of the clamping base is fixedly connected with a sealing ring, and the outer surface of the air pipe body is movably connected with a fixing sleeve. An annular partition plate is fixedly installed on the inner wall of the fixing sleeve, a buckle groove and a reinforcing groove are formed in one side of the annular partition plate and one side of the inner wall of the fixing sleeve, an injection pipe is fixedly installed on one side of the reinforcing groove, an air bag cover is movably connected to one end of the injection pipe, and a reinforcing ring is movably connected to the inner wall of the reinforcing groove. And the outer surface of the connecting pipe is movably connected with a connecting sleeve. The novel air pipe sealing structure facilitates all-directional air pipe sealing performance use, the use range of the sealing structure is widened conveniently, the sealing effect is further improved, and normal work and use of the air pipe are facilitated.

The utility model provides a sealed enhancement type flushes the valve control device, including the valve disc, be provided with the valve cavity in the valve disc, be provided with the valve plate in the valve cavity, fixedly be provided with and the control pivot of valve cavity rotation connection on the valve plate, open the flush mouth that is opposite control pivot eccentric on the valve plate, the disc surface of valve disc is equipped with the through -hole that flush mouth cooperation uses is connected with valve cavity, the annular limit slot that is located valve plate both sides is seted up in the valve cavity, the annular limit slot and the coaxial heart of through -hole, in the utility model, set up the positioning ring that can slide in the annular limit slot, then set up the supporting spring on one side of positioning ring, set up the sealing rubber bushing that is opposite and the valve plate on the other side, the supporting spring is extruded to sealing rubber bushing continuously by positioning ring, when sealing rubber bushing wears, the supporting spring still can make sealing rubber bushing to valve plate add certain extrusion pressure, has the advantage that strengthens the sealing.

The invention relates to an overpressure valve for the regulated discharge of an overpressure of a gas, in particular CO2, from a refrigerant circuit of a vehicle, comprising:-a valve body (1) having a gas inlet (11) and a gas outlet (12) and a flow channel (13) connecting the gas inlet (11) and the gas outlet (12); a sealing piston (2) which is arranged in the flow channel (13) so as to be movable in particular along the axis of the valve body (1) relative to a sealing surface (14), which is arranged on the valve body (1) and which is in particular of conical design, and which has a conical piston sealing surface (21), the piston sealing surface abuts against the sealing surface (14) in the closed state and closes the flow channel (13); an adjusting bolt (4) for adjusting the opening pressure, the adjusting bolt in the valve body (1) being arranged downstream of the sealing piston (2) in the flow channel (13); and-a spring (3), in particular a compression spring, which is arranged between the sealing piston (2) and the adjusting bolt (4) and which applies a closing force to the sealing piston (2) in order to bear against the sealing surface (14); and wherein the sealing piston (2), the valve body (1) and the spring (3) are designed in such a way that, when a defined pressure level at the gas inlet (11) is exceeded, the sealing piston (2) is displaced against the spring (3) in the opening direction and releases a passage cross-section for the gas and can be returned from an open state into a closed state when below the pressure level, wherein the piston sealing surface (21) has a piston angle (a) between 26 DEG and 35 DEG, in particular 26.5 DEG and 28.5 DEG, and wherein the sealing surface (14) of the valve body (1) has a body angle (beta) between 27 DEG and 38 DEG, in particular 30 DEG and 31 DEG, and wherein the ratio of the body angle (beta) to the piston angle (a) is 15 / 14 < = beta / alpha < = 124 / 108.

The utility model provides a self-pressure type water and fertilizer integrated water supply valve for farm irrigation, relates to the technical field of farm irrigation, and solves the problems that the design of a water supply valve in the prior art has defects, an upper valve body and a lower valve body need to be realized by connecting an upper valve body flange and a lower valve body flange through bolts, and the bolt connection mode is difficult to realize. The complexity of assembly and disassembly is increased, and the use convenience is poor. The self-pressure type water and fertilizer integrated water supply valve comprises an upper valve body and a lower valve body, the water inlet end of the upper valve body is in sealed threaded connection with the water outlet end of the lower valve body, meanwhile, the self-pressure type water and fertilizer integrated water supply valve has the advantages of being convenient to assemble and connect, improving the sealing performance, and being simple in structure, reasonable in design, convenient to assemble and disassemble and convenient to overhaul and maintain in the later period. Moreover, the upper flange and the lower flange are fixed by using two or three groups of bolts, so that the circumferential rotation between the upper valve body and the lower valve body is limited, and the stability and the reliability of the use of the water supply valve are improved.

The power distribution room multifunctional baffle comprises a baffle body, a door frame, a driving device and a sealing device, side frames of the door frame are of a groove-shaped structure, and openings of the two side frames are opposite; an accommodating space is arranged in the bottom frame and is pre-buried under the ground at the entrance and exit door opening of the power distribution room; the driving device is arranged in the containing space of the bottom frame, the two sides of the baffle are in sliding fit with the two side frames respectively, and the bottom of the baffle extends into the containing space in the bottom frame and is wound around the driving end of the driving device. The baffle is driven by the driving device to ascend and unfold along the side frame or descend and retract along the side frame, the sealing device is movably arranged at the notch of the side frame and the entrance and exit of the bottom frame, and sealing is achieved by pressing the baffle. The baffle is reasonable in structural arrangement, has a good mouse blocking function, can timely cope with possible emergency situations in the power distribution room, and is high in automation degree and convenient to go in and out. The invention further provides a control method of the power distribution room multifunctional baffle and an electric power facility.

The application relates to the technical field of building adhesives, and particularly discloses a fire-retardant polyurethane two-component corner adhesive and a preparation method thereof; the fire-retardant polyurethane two-component corner adhesive comprises an A component and a B component; the A component comprises, in mass parts, first polyether polyol: 40-55 parts; first filler: 20-35 parts; first thixotropic agent: 1-5 parts; compounded fire retardant: 20-25 parts; modifier: 1-2 parts; catalyst: 0.004-0.008 parts; the B component comprises, in mass parts, curing agent: 35-45 parts; second polyether polyol: 1-5 parts; plasticizer: 8-12 parts; second filler: 40-50 parts; and second thixotropic agent: 1-2 parts; the fire-retardant polyurethane two-component corner adhesive has good fire-retardant function, high hardness, high toughness and high bonding strength; and the fire-retardant polyurethane two-component corner adhesive also has excellent sealing function, structure reinforcing function, shock-absorbing function, sound insulation function and heat insulation function.