92results about How to "Dustproof and waterproof" patented technology

The invention relates to a passive low-frequency vibration isolator, which comprises an enclosed cylindrical base, wherein the top of the enclosed cylindrical base is provided with a through hole, and the inner side wall of the enclosed cylindrical base is uniformly provided and movably connected with cylinder bodies of three dampers; a center connecting rod is inserted into the through hole in the base, and the lower end of the center connecting rod is moveably connected with piston rods of the three dampers; the top of the base is uniformly provided with three mounting fixtures; the upper part of the center connecting rod is provided with a hexagonal center clamping piece which is uniformly provided and connected with one ends of three flat springs; the other ends of the three flat springs are connected with the three mounting fixtures respectively; and the top of the center connecting rod is provided with a bearing table. The passive low-frequency vibration isolator has obvious high static stiffness and low dynamic stiffness, reduces initial isolation frequency, can realize low-frequency vibration isolation and ultralow-frequency vibration isolation, has high static bearing capacity and reduces deformation; meanwhile, by optimizing the damping structure, the vibration isolator can automatically adjust damp according to working conditions to achieve effects of inhibiting resonance and resisting impact.

The invention discloses an integrated door lock. The integrated door lock comprises a left shell, a left cover plate and a lock body; ratchet wheel shafts, a ratchet wheel shock absorption block and a detent are installed on the left cover plate, each ratchet wheel shaft is sleeved with a ratchet wheel, a ratchet wheel return spring is installed on each ratchet wheel, the ratchet wheel shafts are connected with the left cover plate in a rivet mode, and the detent penetrates through the ratchet wheel shafts and is connected with the left cover plate in a rivet mode; a buffering block and a detent shock absorption block are installed on the lock body and arranged on the two riveted ratchet wheel shafts in a sleeved mode, then an outward-opening rocker arm provided with a left outward-opening linkage arm is installed, an outward-opening rocker arm shaft is sleeved with the outward-opening rocker arm, a left outward-opening return spring is installed in, finally a left detent return spring, a left opening rocker arm and a left locking linkage arm are installed, and a left connecting plate is covered and riveted; a left current-conducting plate assembly, a worm sleeved with a worm wheel, a left signal rocker arm matched with a left signal rocker return spring, a first left worm wheel, a second left worm wheel, a left inward-opening rocker arm and a left inward-opening return spring are installed in the left shell. The integrated door lock is compact in structure, good in waterproof and dustproof performance, high in transmission efficiency, integrated in function and stable in performance.

The invention discloses an electret wound patch, which comprises a wound patch body, a sponge compress block and strip-shaped adhesive. The technical scheme includes that composite materials of polytetrafluoroethylene and perfluoroalkyl ethylene propylene are processed and refined to form a film and sponge adsorbent carrier, and after being treated by electret technologies such as a corona methodor a breakdown method and the like, the film and sponge adsorbent carrier can be made into electret wound patches in different specifications. The electret wound patch is characterized in that an electret film is processed into the wound patch body, the strip-shaped adhesive is arranged on the wound patch body, an electret sponge is made into the compress block for treating and nursing the wound of a patient, and the compress block is arranged on the wound patch body. The electret wound patch has performances of sterilization, disinfection, pain relieving, inflammation extinction, capability of promoting wound healing without medicines, infection prevention, dust prevention, waterproofing and fine breathability, and is particularly applicable to daily wound, battlefield emergency treatment, field emergency treatment and emergency rescue and disaster relief conditions.

The invention discloses an electret preservative film and a preservative bag, which are designed to overcome the problems that current preservative films and preservative bags are poor in antibacterial and bacteriostatic performances and poor in preserving effect. The electret preservative film and preservative bag provided by the invention use polytetrafluoroethylene or ethylene-tetrafluoroethylene copolymer plastic which is processed and refined to prepare thin film material. Electrets technical treatment is performed by an electret corona process or breakdown method. The microporous diameter of the preservative film material is ranged from 0.1 micron to 0.5 micron and the thickness thereof is arranged from 15 microns to 80 microns. Electret preservative films and preservative bags in different specifications are prepared. The invention has the advantages of antibacterial and bacteriostatic performances, enzyme activity reducing performance, waterproof and dustproof performance, good air permeability, long preserving time and high preserving degree. The electret preservative film further has the advantages of resisting acid, alkali and high temperature, is not corroded and dissolved in solvents such as water and alcohol and has stable performance, reliable safety performance and is not poisonous and harmless. The invention is novel food preservative film and bag which are the updated products of current preservative film and bag and suitable for use in preserving food in shopping malls, hotels and homes.

The invention relates to a fluoroplastic electret medical bandage which comprises a medical gauze and a cover film, wherein the cover film is formed by spraying a fluoroplastic electret adsorbent dispersion liquid on the medical gauze; and the adsorbent dispersion liquid is prepared by processing and refining fluoroplastics, is treated by an electret technology such as an electret corona method, a breakdown method or the like, is sprayed on the medical gauze to form the cover film, and is processed into electret medical bandages of different specifications. The electret medical bandage has the characteristics of bacterium resistance and inhibition, inflammation diminishing, infection prevention, dust and water prevention and good air permeability.

The invention discloses an MPO / MTP cluster prefabricated optical cable component which comprises an adapter component, a first plug body component and a second plug body component. Two ends of the adapter component are open and through to form an inner cavity, a guide part is disposed in the middle of the inner cavity, and sealing bodies are respectively disposed on two sides of the guide part. The first plug body component is disposed outside a first optical fiber connector. One end, located at the head of the first optical fiber connector, of the first plug body component is provided with an opening to allow the head end face of the first optical fiber connector to be exposed. The second plug body component is disposed outside a second optical fiber connector. One end, located at the head of the second optical fiber connector, of the second plug body connector is provided with an opening to allow the head end face of the second optical fiber connector. The opening end face of the first plug body component and the opening end face of the second plug body component are respectively correspondingly connected with the sealing bodies in the adapter component. The head of the first optical fiber connector and the head of the second optical fiber connector are aligned and coupled in the guide part of the adapter part to achieve dust prevention and water prevention.

The invention discloses a dustproof glass fiber composite felt. The dustproof glass fiber composite felt comprises a matrix layer and an outer surface layer, wherein the matrix layer is formed by alternately combining a carbon nanofiber layer and a glass fiber layer, the carbon nanofiber layer is composed of a single layer of carbon nanofiber felt, the outer surface layer comprises a basalt nonwoven fabric mat, a basalt gridding cloth, the basalt nonwoven fabric mat is adhered to the top of the basalt gridding cloth through an adhesive, the basalt nonwoven fabric mat is composed of basalt fiber and high elastic polyester silk, the basalt fiber occupies 48% to 53% of the total weight of the basalt nonwoven fabric mat, the high elastic polyester silk occupies 22% to 24% of the total weight of the basalt nonwoven fabric mat. The dustproof glass fiber composite felt provided by the invention has the advantages of being dustproof and waterproof, and extremely high in economic value and social benefit.

The invention discloses a passive heat dissipation server node case, and belongs to the technical field of computer science. The computer processor solves the problems that an existing computer processor needs timing ash removal, has high requirements for the working environment and is single in fault detection function. The case is a closed shell, so that dust in an external working environment cannot enter the heat dissipation shell, and equipment short-circuit faults caused by the dust are reduced. A voltage sensor and a current sensor are used for collecting input and output voltage and current of a CPU main circuit board and a GPU slave circuit board; whether input and output signals and voltage and current of the system are detected at the same time. Whether software and hardware ofthe passive heat dissipation server node case work or not is monitored; the working state of the system is monitored in real time, when it is detected that the input current or voltage and the outputcurrent or voltage of the CPU master circuit board and the GPU slave circuit board are zero, it is indicated that case hardware breaks down or the system breaks down, a power source is restarted, andthe system is reset in time.

The invention discloses a drying and dust-proofing method for an air filter element. The transmission speed range of a power structure in the air filter element is controlled through adjusting fan blades, the fan blades can be rotated and turned over through steel balls in order to adjust the direction and the tilt angle of the fan blades, a drive motor in a drive motor storage sleeve is started to perform test run on a rotating shaft, a speed measurement device is used to perform sensitive speed measurement on the wind power at the fan blades in every segment in order to keep the wind speed in a reasonable range, the air filter element is arranged in an apparatus, a mounting tube is connected with the motor, a fixed sleeve compacts the mounting tube through a sealing gasket to avoid air leakage at the connecting position, a positioning ring is connected with other devices to guarantee stable connection, the apparatus officially starts to work after the whole air filter element is mounted, air goes through pores in an outer protection tube and an inner isolation wall plate and enters the filter element, and the outer protection tube and the inner isolation wall plate play a role indust water proofing while supporting, protecting and reinforcing the whole air filter element.

The invention discloses a telescopic remote controller with a shortcut key setting function. The telescopic remote controller comprises a remote controller body. The remote controller body comprises a main remote control zone and an auxiliary remote control zone. The main remote control zone is provided with a main circuit board assembly. The auxiliary remote control zone is provided with an auxiliary circuit board assembly. The main circuit board assembly is connected to the auxiliary circuit board assembly through a flat cable. The board of the main remote control zone is provide with power-on key, a shutdown key, a state indicating lamp, a fingerprint recognizer, a shortcut key and an enter key. The front end of the main remote control zone is provided with an emission window. The left side and the right side of the main remote control zone are provided with a volume increase key and a volume decrease key. The board of the auxiliary remote control zone is provided with digital keys, setting keys and common function keys. A connecting portion between the main remote control zone and the auxiliary remote control zone is provided with a spring lock block. The spring lock block receives signals emitted by a fingerprint recognizer through a fingerprint controller. According to the invention, the remote controller is divided into the main remote control zone and the auxiliary remote control zone; the auxiliary remote control zone can be controlled to pop out from the main remote control zone through fingerprint identification according to needs; and simultaneously, the shortcut key is arranged in the main remote control zone, so that the telescopic remote controller is simple and practical.

The invention discloses a laparoscopic camera handle with high stability, and belongs to the technical field of medical instruments. Main points of a technical scheme comprise a shell with one end asan open end, an end cover arranged at the open end of the shell, an inn shell positioned in the shell and fixedly connected with the end cover, and a 3MOS sensor positioned in the inner shell. One side of the 3MOS sensor is fixedly provided with a fixing block. The end cap is inserted with a fixing bolt for fixing the fixing block. The end cap is provided with a light transmission hole corresponding to the position of the 3MOS sensor, and a lens group is arranged at the light transmission hole. The invention has the advantages of stable imaging, good anti-jamming performance and good dust-proof and waterproof effect.

The present invention discloses a small movable contact body and a panel switch that can prevent the outer edge from peeling off even if the distance between the outer edge of the substrate and the movable contact is narrowed. The movable contact body of the present invention includes a movable contact and a base sheet. The movable contact is an elastic metal plate formed in a dome shape. The base sheet is a dome-shaped vertex portion of the movable contact bonded with an adhesive on the lower surface. , an insulating film that holds the movable contact at a predetermined position, and an auxiliary is provided on a portion of the annular portion corresponding to the non-adhesive portion that becomes the outer edge side of the substrate at the corresponding portion of the movable contact near the outer edge of the substrate Adhesive, the movable contact arranged near the outer edge including the auxiliary adhesive is bonded and held on the substrate.

The invention discloses a far-infrared electrostatic treatment film. The far-infrared electrostatic treatment film is composed of electret films, far-infrared ceramic powder, an adhesive paste and a protection layer, and is characterized in that fluorine plastics are processed and refined to be micropore film materials, the micropore film materials are processed to be the electret electrostatic films by an electrets technology, the far-infrared ceramic powder is arranged between the two electret electrostatic films, the electret electrostatic films are hotly pressed to be the far-infrared electrostatic treatment film, ventilated medical rubber particles are arranged on a treatment surface, the protection layer is arranged on the rubber particles, and a tearing and cutting line is arranged on the far-infrared electrostatic treatment film. The far-infrared electrostatic treatment film has an outstanding treatment effect and a good healing effect for treating diseases such as bone fracture, bone joint and soft tissue aseptic inflammation, strain, hypertension, varicosity, neurasthenia, face-lifting recovery, hyperplasia of mammary glands and the like, and is a hi-tech medical product.

The invention provides a battery pack. The battery pack comprises a box cover, a box body and a sealing strip; a first installing face is arranged on the periphery of the opening end of the box body, multiple limiting bolts are arranged on the first installing face, first through holes corresponding to the limiting bolts in position are formed in the sealing strip, and the limiting bolts are sleeved with the first through holes; a second installing face is arranged on the periphery of the opening end of the box cover, second through holes corresponding to the limiting bolts are formed in the second installing face, the box cover covers the box body, and bolts penetrate through the second through holes and the limiting bolts. It is avoided that the sealing strip is compacted excessively to damage rebound resilience, and stable and good dustproof and waterproof effect on the battery pack can be achieved for a long time.

The invention discloses a fast installation method for bellows weighing sensors. A bellows weighing sensor is installed between a weighing platform and a bracket through an upper connecting plate anda lower connecting plate. The bellows weighing sensor is installed on a weighing machine by installing the lower connecting plate, a sensor base, the bellows weighing sensor, a support column, a protective rod and the upper connecting plate in sequence. The method of the invention is a fast installation method from bottom to top. The method is convenient in installation and easy to operate, and greatly improves the adjustment space and installation efficiency of the bellows weighing sensor.

The invention relates to a spring key switch structure which mainly comprises a light guide panel, a key, a pressure block, a printed circuit board, a support part, an annular spring and a sliding block. Pressure is applied to the key, and the sliding block is driven by the key through the pressure block to drive the annular spring to be displaced downwards, so that the annular spring is gradually expanded and deformed till forming contact with a conductive contact layer along the lower lateral surface of the annular groove to realize electric conduction; the pressure is removed, and the annular spring is separated from the conductive contact layer under the action of elastic force accumulated by expansion and deformation, and returns into an annular groove to realize electric disconnection. The spring key switch structure has the advantages of large travel, strong pressure, simplicity in assembling, high reliability, low contact resistance, long service life and the like, white light illumination, blue white light illumination or various light illumination compatible with night vision can be selected according to actual needs, and the capabilities of three proofing properties, dust prevention, waterproofness and the like of the spring key switch structure are higher than those of the conventional key switch.

The invention discloses an electret plastic food preservation box which is characterized in that fluoroplastic is processed into microporous material, food preservation boxes with different styles and different specifications are obtained by the injection molding technology, and electret technologies such as a corona method, a breakdown method and the like are adopted for treatment. The electret food preservation box is antibacterial, dustproof and waterproof, nontoxic and harmless, safe and reliable and low-carbon, environment-friendly and energy-saving, and has good air permeability, long preservation time and high preservation degree, thereby being a brand new food preservation box; and the electret food preservation box can be widely used for preserving food in families, hotels, shopping malls, and industries of travel, fast food and the like.

The invention discloses a water cooling device for an electric vehicle charger, which comprises a shell and cooling fins, and is characterized in that the upper part of the left side of the shell is fixedly connected with a water inlet, the lower part of the left side of the shell is fixedly connected with a water outlet, the lower part of an inner cavity of the shell is fixedly provided with a circuit board, the middle part of the circuit board is fixedly connected with a water pump, the left side of the water pump is fixedly connected with the bottom part of the shell through a water pipe, the bottom parts of the cooling fins are fixedly connected with the circuit board, the upper part of the water pump is fixedly connected with a heat absorbing pipe through a water pipe, the heat absorbing pipe is distributed at the outer sides of the cooling fins in an S-shaped manner, and the upper end of the heat absorbing pipe is fixedly connected with the upper part of the shell through a water outlet pipe. The water cooling device is simple in structure, convenient and practical, effectively performs cooling on the electric vehicle charger, protects a mainboard of the charger from being damaged and prolongs the service life of the charger.

The invention provides a damping mechanism and a mixer truck. The damping mechanism comprises a deflection part, a supporting seat, a fixing seat, a bottom plate, a first damping piece, a second damping piece and a fastening piece. When the damping mechanism with the structure is used, the fixing seat can be directly used as a shell of a speed reducer; or the fixing seat serves as a component of the damping mechanism and is connected with the shell of the speed reducer; and the supporting seat is connected with a mixer truck frame, the gravity and vibration impact force of a mixing barrel are transmitted to the first damping piece through the fixing seat, the first damping piece absorbs horizontal and axial force caused by the gravity of the mixing barrel and the vibration impact force, and stable operation of the mixer truck is guaranteed. The fixing seat is fixedly connected with the deflection part, the speed reducer is arranged on the deflection part, when the stirring barrel vibrates, vibration impact force is transmitted to the speed reducer and the deflection part, the deflection part deflects at any angle in a mounting groove of the supporting seat so as to absorb the vibration impact force of the stirring barrel, the damping mechanism is good in shock resistance, and the stability and safety of operation of the mixer truck are further improved.

The invention discloses a far infrared static ear pressing paste, comprising an electret film, magnetic particles, far infrared ceramic particles, pasting glue and a protection film. The far infrared static ear pressing paste is characterized in that fluoroplastic is processed and refined into a micropore film material, the micropore film material is processed into an electret static film by adopting an electret technology, far infrared ceramic particles are arranged on the electret static film, breathable medical adhesive is arranged on the film, and the protection film is arranged on the breathable medical adhesive. The far infrared static ear pressing paste disclosed by the invention has an outstanding curative effect and a good rehabilitation effect on common chronic diseases by adopting a far infrared, static and acupuncture pressing combined treatment method, and also has good sterilization antibacterial, anti-infection, dustproof, waterproof and air-permeable performances, so the far infrared static ear pressing paste is a high and new technology medical article.

The invention relates to a socket, in particular to a socket with the wire winding function. The socket comprises a socket body and a plug connected with the socket body through a connecting wire, jacks are formed in the socket body, a wire winding groove where a connecting wire can be coiled is formed in the lateral face of the socket body, and a fixing ring capable of fixing the connecting wire is arranged in the wire winding groove. One end of the fixing ring is movably connected with the socket body, and the fixing ring can rotate relative to the socket body. When the socket is not used, the connecting wire can be wound in the wire winding groove, and the connecting wire is prevented from being scattered.

The invention discloses a 17 B multi-functional door lock assembly. The door lock assembly comprises a lock body, an opening rocker arm, an outer opening rocker arm, an inner opening rocker arm, a locking push rod, an outer locking rocker arm, a locking linkage block, an inner locking rocker arm and an inner locking linkage arm, and further comprises a motor, a worm, and a gear division assembly;functions of inner opening, outer opening and locking are achieved through mutual meshing effect of ratchets and pawls; the door lock assembly further comprises a ratchet signal rocker arm and a microswitch, and the signal transmission of vehicle door state information can be realized; and the microswitch in contact with the locking linkage block can realize the transmission of vehicle door lock locking and unlocking state signals so as to realize a central control function of a left door lock and a right door lock. According to the door lock assembly, the vehicle door lock is of an integratedstructure, and has the advantages of having a double-pull function, being compact in structure, good in dustproof and waterproof performance, high in transmission efficiency, better in control performance and the like.

The invention relates to a gasket-type pressure sensor for detecting the pretightening force of bolts, which comprises an upper cover and a casing, the upper cover is embedded in the top of the casing, and a first The elastic body, the upper pole plate, the second elastic body, the first elastic body, the upper pole plate and the second elastic body are respectively provided with second circular holes of the same size, and the upper pole plate is connected with an AC for measuring the capacitance value. The measuring instrument, the upper cover and the casing together constitute the lower plate, and there is no contact between the upper plate and the lower plate. When the first elastic body and / or the second elastic body are compressed and deformed, the upper plate and the lower plate The distance between the plates changes, so that the capacitance value generated between the upper plate and the lower plate changes, and the pre-tightening force of the bolt is detected according to the change of the capacitance value. Compared with the prior art, the present invention uses the elastic body and the parallel plate capacitor as the basic electromechanical conversion structure, and combines with the AC measuring instrument to detect the bolt pretightening force accurately in real time.

The invention provides a magnetic force line observer. The magnetic force line observer has the advantages of convenient use and easiness in processing, and is applicable to the observation of magnetic force line distribution. With the magnetic force line observer adopted, magnetic force line distribution can be observed intuitively and quickly. The magnetic force line observer check comprises a box body, a box cover, a plurality of compasses and compass rotation shafts; the box body and the transparent box cover constitute a sealed space; the compasses are rotationally arranged between the box body and the box cover through the compass rotation shafts which are in one-to-one correspondence with the compasses; and the compass rotation shafts are parallel to each other. The box body and the box cover constitute the sealed space, and therefore, the magnetic force line observer has dustproof and waterproof effects. When the magnetic force line observer is used, the magnetic force line observer is made to approach a measured magnet, the plurality of compasses deflect by different angels under the action of the magnetic force lines of the measured magnet; and through observing the deflection situations of the plurality of compasses, a user can master the magnetic force line distribution pattern of the measured magnet. The magnetic force line observer has the advantages of convenient use and easiness in processing. With the magnetic force line observer adopted, magnetic force line distribution can be observed intuitively and quickly.

The invention relates to the field of home decoration, in particular to a wall protection plate system which comprises a wall protection plate body, a top line assembly, a skirting line assembly and a wall protection plate connecting assembly. A wall protection plate connecting assembly is arranged between the wall protection plate body and a wall body, and the wall protection plate body is hung on the wall body; the top line assembly is installed between the top of the wall protection plate body and a ceiling for closing up, the top line assembly comprises a square pipe and an EV pad, the square pipe is connected with the ceiling, the EV pad is arranged between the top of the wall protection plate body and the square pipe, and the square pipe and the EV pad are parallel to the top face of the wall protection plate body; the skirting line assembly is installed between the bottom of the wall protection plate body and the ground for closing up, the skirting line assembly comprises a transversely-extending skirting line sectional material which is fixed to a wall body, and the skirting line sectional material comprises a bearing part which is arranged below the bottom face of the wall protection plate body in parallel. And the top line assembly and the skirting line assembly are arranged, so that gaps between the wall protection plate and the ceiling and between the wall protection plate and the ground can be closed and shielded, the dustproof and waterproof effects are achieved, and the overall attractiveness of the wall protection plate system is improved.

The invention relates to the technical field of information technology teaching, in particular to a display board having a splicing structure and used for information technology teaching. The display board comprises a first display board, wherein a connecting hinge is mounted above the first display board, a second display board is movably mounted on the right side of the first display board, the first display board is movably connected with the second display board through the connecting hinge, a limiting splicing clamping groove is formed in the first display board, a limiting splicing clamping block is installed in the limiting splicing clamping groove, and a splicing display board is installed at the front end of the first display board. According to the display board used for information technology teaching, the splicing display board is spliced on the first display board through the limiting splicing clamping groove and the limiting splicing clamping block, so that the display area of the display board for information technology teaching can be increased according to use requirements, the first display board and the splicing display board are simple and convenient to mount and dismount, and a large amount of display board mounting time can be saved.

The invention provides a compressor and an air conditioner with the same. The compressor comprises a shell, a driving part, a protective shell and a wiring part, wherein the shell is provided with a first containing cavity; the driving part is arranged in the first containing cavity; the protective shell is detachably connected with the shell, the protective shell is provided with a second containing cavity and a third containing cavity, and the second containing cavity is communicated with the third containing cavity; the wiring part comprises a binding post and a wiring terminal, a part of the binding post is arranged in the second containing cavity, the first end of the binding post extends into the first containing cavity to be electrically connected with the driving part, the wiring terminal is arranged in the third containing cavity, the second end of the binding post extends into the third containing cavity to be electrically connected with the wiring terminal, and the wiring terminal comprises an outgoing line; and the outgoing line extends out of the third containing cavity and is electrically connected with an external power supply structure. The compressor solves the problem that in the prior art, an installation and fixing structure of the binding post of the compressor of the air conditioner is complex.