42results about How to "Good sealing environment" patented technology

A portable speech communication apparatus, preferably a radio telephone, has a flip (14) which is swingable from the apparatus (10). A sound channel is arranged in the flip for guiding sound from at least one speech opening (54, 62) in the flip to a microphone (24) located in the apparatus. The sound channel is formed as a recess (52) in a plate means (50, 60), which is arranged on an essentially even inside (40) of the flip (14).

The invention discloses a pickled vegetable fermentation device and an automatic feed and discharge process of the the pickled vegetable fermentation device. The pickled vegetable fermentation device comprises a fermentation tank body, wherein a material inlet is formed in the upper part of the fermentation tank body, a material outlet is formed in the bottom of the fermentation tank body, the fermentation tank body is connected with an automatic feed mechanism and an automatic discharge mechanism respectively, the automatic feed mechanism comprises a feed pipe, an exhaust pipe and a vacuum pump, one end of the feed pipe is communicated with a material storage tank, the other end of the feed pipe is communicated with the material inlet, one end of the exhaust pipe is communicated with a closed space above material liquid level in the fermentation tank body, the other end of the exhaust pipe is communicated with an air inlet of the vacuum pump, the automatic discharge mechanism comprises an air compressor and an air inlet pipe, one end of the air inlet pipe is communicated with an air outlet of the air compressor, and the other end of the air inlet pipe is communicated with the closed space above the material liquid level in the fermentation tank body. The pickled vegetable fermentation device disclosed by the invention can fast and automatically feed and discharge materials in the fermentation tank body by adopting a way of feeding under negative pressure and discharging under positive pressure, so that the labor intensity is greatly reduced and the large-scale and industrial production of pickled vegetables is realized.

The invention discloses an intelligent spray gun for spraying, and relates to the technical field of paint spraying assemblies. The intelligent spray gun for spraying comprises a spray gun nozzle, a connecting pipe, a main pipe, a handle, a rear shell, a distance sensor and transmission teeth, wherein the main pipe is fixedly mounted at one end of the handle, the connecting pipe is fixedly mountedat one end of the main pipe, a liquid flow sensor is fixedly mounted on the connecting pipe, the spray gun nozzle is fixedly installed at one end of the connecting pipe, a pressure gauge is fixedly mounted at the top of the spray gun nozzle, a battery box and the rear shell are fixedly mounted on the outer wall of the rear side of the main pipe, an electric plate is fixedly mounted inside the rear shell, and a data receiving chip, a data storage device and a single-chip microcomputer are fixedly mounted on the electric plate from left to right. According to the intelligent spray gun, the pressure gauge and the liquid flow sensor are mounted outside so that the paint spraying pressure and flow can be monitored during use, intelligent control over the pressure and flow in the spray gun is achieved, the distance between the nozzle and the spraying surface can be automatically sensed to automatically adjust the pressure, and the effect of being intelligent is achieved.

The invention discloses a pull-type picking, kneading, bundling and bagging machine for straw feed. The pull-type picking, kneading, bundling and bagging machine comprises an integral rack, a picking, kneading and transporting device, a straw smashing filling bin, a straw compacting, bundling and bagging device and a powder transmission system. The innovative technologies such as the picking kneading and transporting device being front-arranged to suspend and hydraulically lift, deep tearing, kneading and smashing processing conducted on coarse hard section head and dense surface of corn straw, straw smashing three-direction hydraulic strong compaction and bundling to transport, straw compaction bundling, automatic packing after manual bagging are adopted, and combination processes of picking and smashing, compacting and bundling, bagging and packing are conducted on corn straw in the field. And the pull-type picking, kneading, bundling and bagging machine for the straw feed has the advantages that the technology is advanced, the structure is reasonable, the production efficiency is high, and the working quality is good. Straw feed compaction bales made by the machine has good sealing environment, microbial fermentation action can also occur in a natural condition, the slaking degree is improved, the nutrition ingredient is increased, and the palatability, the grazing rate and the digestion and absorption rate are improved when cattle and sheep are fed.

The invention discloses vacuum packaging equipment with a failure alarm function for an optical lens. The vacuum packaging equipment with the failure alarm function for the optical lens comprises a box body, a cover plate, a disc and a permanent magnet disc, wherein a mounting groove, a liquid storage groove and a through groove are formed in the cover plate; the disc is arranged in the liquid storage groove; the lower part of the disc is fixedly connected with a containing box through a connecting rod; a getter is contained in the containing box; a sealing ring is fixedly connected to the position, corresponding to the through groove, on the connecting rod; and magnetorheological fluid is contained in the liquid storage groove. Due to the arrangement of the permanent magnet disc, the magnetorheological fluid, the connecting rod and the sealing ring, a limiting block, the connecting rod and the sealing ring can form an integral liquid seal by utilizing the morphological transformation of the magnetorheological fluid in a zero magnetic field environment and a strong magnetic field environment, and the magnetorheological fluid cannot flow again when being used for conducting liquid seal on the through groove; a groove is formed in the containing box; a limiting ring and a piezoelectric plate are fixedly connected into the groove; a sliding plate is further connected into the groove through a telescopic spring; and a controller and an alarm are fixedly connected onto the permanent magnet disc.

The invention discloses a medicine box storage chamber system based on a rotating holder. The medicine box storage chamber system comprises a rotating holder part system and a medicine box storage chamber part system. A medicine box storage chamber is rotated through the rotating holder, a sealing cover is lifted through a lead screw module, and therefore corresponding medicine is obtained. The sealing cover is made of partition plate gum materials, and the leakproofness in a medicine storage box is guaranteed. The storage chamber is divided into 12 parts through a partition rotary disc in themedicine box, and therefore the placed medicine is classified. The system can be driven through an Internet of things system, and therefore medicine obtaining is more intelligent and more automatic.

The invention discloses an evaporation and concentration device for ultra-clean high-purity electronic chemicals and application of the evaporation and concentration device. The evaporation and concentration device comprises an outer shell, an inner shell, vacuum pumping equipment and a heating assembly, an inner cavity of the outer shell is a first-stage vacuum cavity, an inner cavity of the inner shell is a second-stage vacuum cavity, and the first-stage vacuum cavity and the second-stage vacuum cavity are respectively connected with the vacuum pumping equipment; the inner shell is arranged in the first-stage vacuum cavity, top cover sealing assemblies used for sealing top openings of the first-stage vacuum cavity and the second-stage vacuum cavity are arranged at the tops of the outer shell and the inner shell, and the top cover sealing assemblies are detachably arranged at the tops of the outer shell and the inner shell. The heating end of the heating assembly acts on the inner shell. And a fixing frame for fixing a beaker filled with a sample is arranged in the secondary vacuum cavity. The device realizes evaporation and concentration of ultra-clean high-purity electronic chemicals, and is rapid, efficient and low in maintenance cost.

The invention relates to the field of infrared simulation. The invention discloses an infrared point source deflection device and a control method. The device includes: a metal sheet in contact with an electrode, used for simulating the infrared radiation characteristics of a target at a frame rate and a temperature range that can be achieved through heating up and natural cooling processes . The control method includes: determining the energized voltage according to the infrared radiation characteristics of the target; and energizing and heating the metal sheet according to the energized voltage. The invention satisfies the requirement of high frame frequency and is used for simulating the infrared radiation characteristics of important targets; it provides a solid technical guarantee for the use of important ground defenses, and can be used as the last protection means for important ground after missile interception fails. New solutions for existing technology research and development ideas.

The invention discloses a square food packaging tin which comprises a tin body, an inner cover and an outer cover, wherein a turned edge and protrusions are arranged on an upper opening of the tin body, a shaft seat and a lock catch are arranged on the inner cover, a hinged shaft and a tearing buckle are arranged on the outer cover, the inner cover is buckled on the outer side of the turned edge of the tin body, the outer cover is buckled on the inner cover, the hinged shaft of the outer cover is hinged to the shaft seat of the inner cover, and the tearing buckle of the outer cover is connected with the lock catch of the inner cover in a buckled mode. The structure including the tin body, the inner cover and the outer cover is adopted, the tin body is open in the production procedure so that filling can be conveniently and rapidly conducted, the inner cover is pressed so that the food can be conveniently sealed, the outer cover and the tin body are not separated after the inner cover is opened so that the outer cover can be conveniently and repeatedly opened through the hinged shaft in the using process and a good sealing environment can be kept for food, and the square food packaging tin has the advantages of being simple in structure and convenient to use.

The invention belongs to the technical field of metal purification, and relates to a furnace pipe device and a method for preparing ultra-high purity aluminum. The furnace pipe device is characterized by sequentially comprising a furnace pipe outer frame, a thin-wall seal sleeve and a graphite crucible from outside to inside, wherein a hinge furnace lid is arranged at the upper part of the furnace pipe; a water inlet hole, a water outlet hole, an observation hole, an air exhaust hole, an air inlet hole, an exhaust vent, a temperature measuring hole and a pressure measuring hole are formed in the furnace lid; a rubber seal strip is arranged between the furnace lid and the furnace pipe outer frame; and the furnace lid is connected and fastened with the furnace pipe through buckles and bolts. The furnace pipe device disclosed by the invention is capable of melting aluminum one time; the crystal is 65Kg; the height of a crystal aluminum ingot can reach 90cm; the single production can be increased by 2.5 times in comparison with that of a conventional high-purity aluminum production technology; an argon protection environment is only kept in the furnace pipe; the furnace pipe device has no environmental requirements on heating and electromagnetic stirring devices, and is strong in continuous working ability; compared with a conventional production technology, the furnace pipe device and the method have the advantages that the power consumption is reduced by 2 / 3; and the energy consumption cost is saved by 3 / 5.

The invention relates to the field of hydraulic power mechanical components, and discloses a hydraulic cylinder equipped with a device for automatically detecting and processing liquid leakage. The front end of the cylinder casing is fixedly connected with a right hydraulic oil valve, the upper end of the right hydraulic oil valve is provided with a hydraulic oil main port, a limit block is arranged inside the hydraulic cylinder casing, and the right end of the hydraulic cylinder casing is movable A power rod is connected, a cylinder cover is fixedly connected to the opening of the hydraulic cylinder shell, a left hydraulic oil valve is arranged on the left end of the cylinder cover, and a detection device is fixedly connected to the left side of the hydraulic cylinder shell. The upper end of the detection device is movably connected with a switch, and the lower end of the switch is fixedly connected with a main helical gear. The device can provide a good sealing environment for the detection device and improve the detection performance of the detection state through the cooperation of the closed door and the latex block. .

The invention provides an ultrahigh-voltage direct-current sleeve joint. The ultrahigh-voltage direct-current sleeve joint comprises a conducting pipe as well as an epoxy pipe and a supporting cover plate which are arranged coaxially relative to the conducting pipe, wherein the supporting cover plate is provided with a through hole which is vertical to the axial direction of the supporting cover plate and coaxial with the conducting pipe and the epoxy pipe; the conducting pipe passes through the through hole and is connected with a top cover plate; a part, surrounded between the supporting cover plate and the top cover plate, of the conducting pipe is provided with a corrugated pipe which is positioned at the upper end of the supporting cover plate and connected with the supporting cover plate and the top cover plate. Compared with the prior art, the ultrahigh-voltage direct-current sleeve joint disclosed by the invention has the advantages of solving the problem of extension and contraction of the conducting pipe by enabling the corrugated pipe to extend and contract correspondingly along with the extension and contraction of the conducting pipe, solving the problem of metal friction caused by hard connection between parts, improving the sealing reliability, guaranteeing good leakproofness of a sleeve chamber body, improving the problem of easy loosening caused by own gravity of the parts, simplifying the installation process of the conducing pipe and lowering the time cost.

The invention relates to large-scale equipment of a selective molecular sieve gel-forming crystallization kettle, the equipment is a vertical stirring kettle with a jacket and a full volume of 52 m < 3 >, and comprises a stirring device and an inner kettle body. The stirring device is of a vertical stirring structure and is formed by sequentially connecting a motor, an upper transmission sealing assembly with a balance tank, a coupling assembly and a stirring assembly from top to bottom. The stirring assembly is a three-layer four-inclined-blade turbine type stirring paddle, and the stirring paddle at the bottommost layer is close to the bottom of the inner kettle body; the inner kettle body is formed by connecting an upper elliptical head, a straight cylinder section and a lower elliptical head; the top of the upper elliptical head is provided with a feed port and an exhaust port, and the bottom is provided with a discharge port; a heating coil is arranged in the straight cylinder section; a jacket is arranged on the outer sides of the straight cylinder section and the lower elliptical head, and a spiral guide plate is arranged in the jacket; an emptying pipe and a sealing liquid output pipe are arranged on one side of the upper transmission sealing assembly, and the sealing liquid output pipe is connected with a balance tank. According to the invention, the product quality can be ensured, the labor intensity is reduced, and the productivity of a single reaction kettle is improved.

The invention relates to a packaging lid of a milk powder tank. The packaging lid comprises a lid body, a lid ring, a hinge and a locking plate. An outer wall, an inner wall and an opening are arranged on the periphery of the lid body. A lock catch is arranged at the position of the opening. The lid ring is composed of a base ring and a sealing ring. A convex rib is arranged on the inner wall of the base ring. A lock catch base is arranged on the sealing ring. A step is arranged at the position where the base ring is connected with the sealing ring. The lid body is buckled on the step of the lid ring. The lock catch of the lid body is connected to the lock catch base of the sealing ring in a clamped mode. The hinge is connected between the lid body and the lid ring. An extending edge is arranged at the portion, located at the edge of the bottom of one side of the hinge, of the inner wall of the lid body. According to the packaging lid of the milk powder tank, the composite structure of the lid body and the lid ring is adopted; in the filling link, filling can be completed conveniently and rapidly; during sealing, the lid body and the lid ring seal the packaging tank; in the using link, due to the guiding of the extending edge, when the lid body is closed, the inner wall can conveniently slide into the inner side of the lip edge of the sealing ring, and use is more convenient.