355results about How to "Improve sealing and waterproof performance" patented technology

The invention discloses a preparation method of a water-expandable single-component polyurethane sealant, which comprises the following steps: mixing and dispersing water-expandable polyurethane prepolymer, vacuum-dried plasticizer, filler, thixotropic agent and water-absorbing resin according to the formula amount at 30-50 DEG C under the vacuum degree of not less than 0.092 MPa in a double planetary mixer or tri-roller grinder for 1-4.5 hours; in high-purity nitrogen atmosphere under atmospheric pressure, adding catalyst B, bonding accelerator and moisture remover, uniformly mixing and dispersing; removing micromolecules under the vacuum degree of not less than 0.092 MPa; and mixing for 0.3-1 hour to obtain the water-expandable single-component polyurethane sealant. Compared with the prior art, the water-expandable single-component polyurethane sealant is easy for construction, and has the characteristics of favorable bonding performance for seal interface, high water-expansion speed after moisture curing, adjustable expansion rate and the like.

The invention discloses a patch type device for monitoring multiple physiological parameters. The patch type device comprises a shell being suitable for being attached to the human skin and made of aflat flexible material, wherein the front side of the shell can be attached to the human skin through glue, the shell is provided with a pulse wave sensor, the pulse wave sensor and the shell are integrally formed through the liquid silicone injection molding method or the solid silicone compression molding method, a circuit module used for processing the collected physiological parameter data isarranged in the shell in a sealed mode, and the circuit module is connected with the pulse wave sensor. The device is convenient to use, can not generate discomfort to the human skin after long-time wearing, is good in airtight waterproofing property, is long in continuous use time, and can collect and monitor various physiological parameters of a user, and the data is more accurate and more comprehensive.

The invention discloses an environmentally-friendly organosilicon-modified polyurethane adhesive sealant and an adhesive. The sealant contains a base material, a filler, a plasticizer and a catalyst, wherein the plasticizer is macromolecular polyether polyol of which the molecular weight is over 600. The sealant can be used for adhering glass and sealing joints of transport vehicles such as automobiles, buses and motor cars and adhering and sealing containers in the field of transport, and sealing door and window joints and indoor decoration joint filling sealing in the field of building. Thesealant has high adhesive performance and high elasticity, avoids polluting and corroding adhered base material and can conduct a good sealing and waterproof function.

A cable connector has a hollow housing, an input cap, an output cap, a wire separating base, a cable sealing assembly and a wire sealing assembly. The hollow housing has an input end and an output end. The input cap is mounted on the input end of the housing. The output cap is mounted on the output end of the housing so as to define a sealed space between the housing, the input cap and the output cap to hold the wire separating base, the cable sealing assembly and the wire sealing assembly inside. The wire separating base is mounted in the housing and has a first end and a second end. The cable sealing assembly is connected to the first end of the wire separating base. The wire sealing assembly is connected to the second end of the wire separating base.

The invention discloses a snake-like amphibious robot provided with modular joints. The robot comprises multiple universal modules which are connected in series end to end, one of two adjacent universal modules which are movably connected can have pitching motion or/and yawing motion relative to the other universal module, and the first universal module and the last universal module of the snake-like amphibious robot are provided with a cylindrical head protective case and a cone-like tail protective case respectively. The snake-like amphibious robot provided with the modular joints has the advantages of flexible action, simple structure, low cost, reliable and stable performance and the like which existing products do not have.

The invention discloses a self-heating floor system and a self-heating floor thereof. The floor system comprises the self-heating floor, a mounting seat, an insertion stopper and a power supply system. The power supply system comprises a power supply circuit and keel circuits. The self-heating floor comprises a lower main body, an upper panel, electric heating plates and plug assemblies; and the electric heating plates are arranged between the lower main body and the upper panel, and two electrodes of the electric heating plates are hermetically and electrically connected with the corresponding plug assemblies. The mounting seat comprises a seat part and an insertion part; and the corresponding keel circuits and the insertion stopper are arranged in the insertion part. The self-heating floor is fixedly connected to the mounting seat through the corresponding insertion stopper on the mounting seat, and the plug assemblies are hermetically and electrically connected with the corresponding keel circuits respectively. The power supply circuit supplies power to each keel circuit, the corresponding keel circuits supply power to the corresponding electric heating plates, and the electrified electric heating plates emit heat to form the self-heating floor system.

The invention discloses a connecting structure of a panoramic sunroof and a vehicle body. The connecting structure comprises a supporting frame and sunroof glass, wherein the supporting frame is formed by a front beam cover plate, a left supporting plate, a rear top cover and a right supporting plate, the front end of the left supporting plate and the front end of the right supporting plate are connected with the front beam cover plate in an overlap mode, and the rear end of the left supporting plate and the rear end of the right supporting plate and the rear top cover are welded in an overlap joint mode; a main positioning hole and an auxiliary positioning hole are formed in the front beam cover plate, a main positioning pin and an auxiliary positioning pin adhere to the sunroof glass, the main positioning pin is matched with the main positioning hole in the front beam cover plate, the auxiliary positioning pin is matched with the auxiliary positioning hole in the front beam cover plate, and the lower surface of the edge of the sunroof glass directly adheres to the supporting frame through gluing. Not only is the matching precision of installation of the panoramic sunroof ensured, but also the sealability and waterproofness of an installation structure of the sunroof glass are improved.

The invention relates to the technical field of concrete building waterproof structures, in particular to a method for carrying out waterproof treatment on an old and new concrete interface. The method comprises the following steps that the old and new concrete interface is cleaned, and then dabbing is carried out on the old and new concrete interface; a water-meeting expansion water stop strip isinstalled on an old concrete interface subjected to dabbing; a grouting pipeline is arranged at the old concrete interface; a template is built for pouring of new concrete, and the grouting pipelineand the water stop strip are poured into the new concrete; joint materials are injected into the grouting pipeline after the new concrete is stabilized; the template and a grouting guide pipe are disassembled, and waterproof sealing joints are arranged at the upper ends of the new concrete and the old concrete. The interface processing method is simple in process, good in sealing and waterproof effects, can be applied to the field of various new and old concrete connection and has great popularization value.

The invention discloses an automobile sliding window, and relates to the technical field of automobile windows. The automobile sliding window comprises an integral window frame, fixed window glass, an upper guide rail, a lower guide rail and a sliding glass window assembly. The integral window frame is provided with a window which is opened and closed by the sliding glass window assembly, the sliding glass window assembly is provided with sliding pieces stretching into the upper guide rail and the lower guide rail respectively, sliding grooves are formed in the opposite end faces of the upper guide rail and the lower guide rail, locking clamping positions are arranged in the sliding grooves, the sliding glass window assembly is provided with lock catch devices which are clamped with the locking clamping positions, arched leaf springs are arranged at the upper end and the lower end of the window frame of the sliding glass window assembly, one end of each leaf spring is fixed to the window frame of the sliding glass window assembly, the other end of the corresponding leaf spring is hung in the air, and the arched top of each leaf spring is a plane. A notch is formed in the outer side wall of the upper guide rail, and a lock cover for sealing the notch is mounted on the upper guide rail. Compared with the prior art, the automobile sliding window is smoother in sliding, good in sealing performance and easy and convenient to disassemble and assemble.

The invention discloses an electric-heating floor system. The electric-heating floor system is characterized by comprising electric-heating floors, mounting seats, inserting stoppers and a power supply system. The power supply system comprises power supply circuits and keel circuits. When the electric-heating floor system is mounted, firstly each mounting seat is laid on the ground horizontally from the length direction and from the backward to the forward, each process corresponding keel circuit is placed into a socket of the corresponding mounting seat, a first keel socket of each keel circuit is in waterproof inserting fit and electrically connected with a power socket of the corresponding power circuit, and finally the electric-heating floors are fixedly connected to the corresponding mounting seat through the inserting stoppers respectively, are in mutual waterproof inserting fit and electrically connected with the keel sockets of the corresponding keel circuits through socket components and operate in a series connection manner, all the electric-heating floors heat together for heating when a power is on, and operation of the other electric-heating floors is free of influence from damage of a certain electric-heating floor.

The invention relates to a cable butting connector. The butting connector is provided with an integral shaped columnar plastic cement connecting socket body on which a plurality of wire butting hole seats which are distributed in a circumference manner are formed. The butting connector further comprises components of a first cylinder body which is in a penetrating manner and can accommodate the connecting socket body, a second cylinder body which is in a penetrating manner, is connected with one end of the first cylinder body and is used for positioning the connecting socket body in the first cylinder, a first locking nut, a first sealing component, a second locking nut and a second sealing component. The connector disclosed by the invention adopts a circumference distribution structure, so that the volume and the cost of the whole connector can be greatly reduced; the components are in coaxial threaded connection, so that the assembling and the disassembling are quick and convenient, the operating efficiency can be improved, the troublesome operation is reduced, the effects of sealing and water prevention are good, pulling force to electric connection parts is smaller, the service life is longer, the electrical property is more stable, the viewing effect is good after the cable butting connector is mounted, and the influence of the cable butting connector on the whole appearance of cables is little.

The invention provides a cabinet body of a low-voltage power distribution cabinet for boats and belongs to the field of cabinet bodies of electrical equipment. The cabinet body comprises a cabinet body frame, a front door plate, a rear seal plate, a top seal plate, a bottom seal plate and a side seal plate and is characterized in that: the cabinet body frame comprises a pair of frames and four longitudinal beams; the pair of frames are arranged opposite to each other and in parallel and are connected through the longitudinal beams; each frame comprises two transverse beams and two vertical columns; the transverse beams and the vertical columns adopt sectional materials with the same structure and are assembled into a rectangular frame; a waterproof folding edge is formed on the inner frame of the frame; a first U-shaped groove is formed on the outer frame of the frame; each longitudinal beam comprises a first folding edge; a second folding edge is formed on one side of the first folding edge; a third folding edge is formed on the other side of the first folding edge; a second U-shaped groove is formed on the other side of the second folding edge; a third U-shaped groove is formed on the other side of the third folding edge; and angle seam sealing pieces are arranged four corners, connected with the longitudinal beams, of the frames. The cabinet body has the advantages of high integrated strength, high weather resistance, high protection grade, high generality and convenience for assembling and disassembling.

The invention relates to an inflatable seal cable laying drawing head made of aluminum alloy, belonging to the field of cable application. The inflatable seal cable laying drawing head comprises a cable conductor, an inflatable anti-bending drawing head, a conductor press-connecting pipe, a cable metal sheath, a tail-end inflatable sealing cap, an inflatable nozzle and a barometer; the cable conductor is inserted into and press-connected with the conductor press-connecting pipe so that the cable conductor is compacted; the conductor press-connecting pipe is fixed on the inflatable anti-bending drawing head; one end of the cable metal sheath is fixedly welded with the inflatable anti-bending drawing head, and the other end of the cable metal sheath is fixedly welded with the tail-end inflatable sealing cap; the inflatable nozzle is arranged on the tail-end inflatable sealing cap; and the barometer is arranged on the inflatable nozzle. The invention can effectively improve the drawn bearing tension in the cable laying process and simultaneously has reasonable structure and design, convenient machining and installation, no harm to the human body, large bearing tension, high sealing and waterproof effects, low cost and convenient field construction monitoring.

The invention discloses a remote-control massage cushion bra. The remote-control massage cushion bra comprises two cups, two colloid massage cushions and a remote controller, wherein the two colloid massage cushions are arranged in the two cups; a plurality of vibrators and inner shells are arranged in the colloid massage cushions; a plurality of convex points for enhancing massage effect are formed on the outer surfaces of the colloid massage cushions; each inner shell is provided with a battery holder and a circuit board; the circuit board is electrically connected with the battery holder and the vibrators; a first opening for placing or taking out a battery is formed on the position of the battery holder of the inner shell; the colloid massage cushions are provided with a cover body for sealing the first opening; and the remote controller is in wireless communication connection with the circuit board. Therefore, the remote-control massage cushion bra has good sealing and waterproof effect and good massage effect, is convenient to operate and use, can promote blood circulation, activates female mammary cells and enhances mammary development to motivate the breasts so as to plump the breasts and reduce and prevent various breast diseases.

The invention relates to a waterproof sealant as well as a preparation method and an application thereof. The waterproof sealant is prepared from components in parts by mass as follows: 30-70 parts of ultraviolet curing resin, 4-10 parts of a photoinitiator, 10-40 parts of a reactive diluent, 2.5-5.5 parts of a thixotropic agent, 1-4 parts of a coupling agent, 0.5-8 parts of an aid and 0.2-3 parts of a pigment, wherein the ultraviolet curing resin is one or more of polycarbonate polyurethane acrylate, polybutadiene polyurethane acrylate, polyester acrylate, modified epoxy acrylic resin and organic silicon acrylic resin. The waterproof sealant has better sealing and waterproof performance, can replace a traditional hot melt adhesive process or sealing washer after being applied to the sealing and waterproof field of electronic products and can significantly improve the production efficiency and reduce the cost.

The invention relates to a large-power LED light source module comprising large-power LEDs welded on an aluminum substrate. A transparent lampshade is fixed to the front of the aluminum substrate, and a radiator is fixedly arranged at the back; and an LED driver is fixed to the other end surface of the radiator and is electrically connected with the aluminum substrate by a lead. The invention integrates necessary devices, such as the LEDs, the aluminum substrate, the radiator, and the like, provides convenience for subsequent application, particularly simplifies the design, the production and the assembly of the lamp manufacture industry, forms a uniform and standard criterion, brings convenience for repairing, is suitable for developing and applying indoor lighting products and is more suitable for the illumination field of outdoor engineering lamps with high power requirements, such as street lamps, spot lights, tunnel lamps, and the like, thereby providing the light source module with energy saving, high efficiency, waterproofness and good radiation performance.

The invention relates to the technical field of lighting lamps and discloses an LED module. The LED module comprises a radiator, a lens and a base plate provided with an LED light-emitting body. The LED light-emitting body is arranged in the lens, the lens is provided with at least one protruding cavity, the LED light-emitting body comprises at least one LED light-emitting body unit, and the protruding cavity can correspond to the LED light-emitting body unit in a one-to-one mode. A sealing waterproof space used for containing the LED light-emitting body is formed between the protruding cavity of the lens and the radiator. In the lens, the protruding cavity between the LED light-emitting body and the lens is filled with index-matching fluid used for improving the light efficiency, and in addition, filling of the index-matching fluid is performed in a glue infusing or glue dispensing mode. The LED module has the advantages of being high in reliability and high in light efficiency; due to filling of the index-matching fluid, the high-sealing waterproof grade is achieved, heat dissipation is assisted, and therefore the high reliability is achieved; and due to the index-matching liquid, light emitting media are changed into colloid from air to achieve the high light efficiency.

The invention discloses a TD-SCDMA dualpolarization intelligent integral antenna which comprises an antenna dome, an antenna backboard, a stiffener, a cavity body, a prop and an end cover. A grab is arranged on the antenna dome; a clamping slot matched with the grab is arranged on the stiffener; and the antenna dome and the stiffener are tightly clamped by the matched use of the grab and the clamping slot. The TD-SCDMA dualpolarization intelligent integral antenna has light entire weight, does not need to be fastened by bolts, can accomplish excellent sealing and water prevention only by filling less silicone adhesive, has good consistency and high production efficiency during production, and improves the first-time qualification rate of products.

The invention relates to a self-locking type electric connector, comprising a first middle sleeve sleeved on a first rubber head, a second middle sleeve sleeved on a second rubber head, a first outer sleeve sleeved on the first middle sleeve and a second outer sleeve sleeved on the second middle sleeve; and the first middle sleeve and the second middle sleeve are in self-locking type connection through a locking ring. According to the electric connector disclosed by the invention, the locking ring is driven to rotate and reset by inserting locking springs after two connecting ends are abutted and inserted in place and pass over critical points so as to realize automatic locking; the connecting ends are inserted in place and the automatic locking is realized so that the connection electric performance of the two connecting ends is good, the connection is stable and firm, the two connecting ends do not automatically cut off and are connected on a straight line, and the self-locking type electric connector is rapid and convenient; furthermore, the sealing and waterproof performances are good; and the structure is simple and the weight is light.

The invention discloses a waterproof device for a calling display lamp of a cell phone, which consists of a light pillar and a shell. The light pillar includes three parts, namely, a light pillar head at the front end, aperture matching shafts of the light pillar and the shell in the middle, and interference matching shafts of the light pillar and the shell at the back end; a waterproof sealing ring is sleeved on the aperture matching shaft of the light pillar and then is pressed into the shell; the shell part at the calling display lamp includes a shell hole which is corresponding to the light pillar and a chamfer angle at an import place of the light pillar at the front end of the shell hole. According to the invention, little space is occupied on the shell and water can be resisted one meter below water within two hours with high waterproof performance, and thus the invention is applicable for structure design of various mini-size waterproof communications products.

The invention discloses an efficient mounting method for waterproof plate coating-free sealant, and belongs to the field of waterproof plates. According to the efficient mounting method for the waterproof plate coating-free sealant, during mounting, two adjacent waterproof plates are extruded to enable a plurality of top bag dispersed bundles to pierce a gas-liquid bag, on one hand, the sealant inthe gas-liquid bag can gradually overflow, a waterproof glue layer is formed between the two waterproof plates, waterproof sealing between the two waterproof plates is achieved, compared with the prior art that sealant is manually smeared, the workload of workers is remarkably reduced, and then the mounting efficiency is improved; and on the other hand, inert gas in the double-layer gas-liquid bag overflows as well, the air convection speed of the overflowing sealant can be increased, the airing speed of the sealant is remarkably increased, the mounting efficiency is further improved, meanwhile, after the gas-liquid bag is pierced, the constraint effect of pre-dispersed bundles is relieved, the pre-dispersed bundles are dispersed and serve as keels of the waterproof glue layer, and the waterproof glue layer is higher in strength and not easily damaged.