32results about How to "Meet waterproof needs" patented technology

A portable terminal housing includes a first housing body, a second housing body engaged with the first housing body, a middle frame, and a ring cushion coiled around the middle frame. The first housing body and second housing body can cooperatively form a receiving cavity. The middle frame and ring cushion are positioned in the receiving cavity. The middle frame resists against the inner surface of the first housing body and second housing body by the ring cushion. The middle frame covers a joint of the first housing body and second housing body.

The invention provides a waterproof standard construction technology for a well-decorated kitchen and bathroom, and relates to the technical field of construction engineering. The technology comprisesthe following steps of S1, pipeline waterproof treatment, S2, base layer waterproof treatment, S3, wall face and ground face waterproof treatment and S4, internal corner waterproof treatment; firstly, a pipeline is waterproofed, then a base layer is waterproofed, and then the wall face and the ground face are waterproofed, finally, internal corners are waterproofed on a waterproof structure of the wall face and the ground face so as to further increase the waterproof effect. The multi-layer waterproof structure of which layers are stacked and the waterproof treatment for pipe edges and the inner corners can make the waterproof structure of the kitchen and bathroom room achieve the waterproof effect lasting for 15 years or above.

The invention discloses a special computer, which comprises a fully sealed and heat radiating housing. A power supply, a hard disk host module and a main board module are arranged in the housing; and the host module and the main board module are fixedly connected with the housing. The special computer has excellent sealing performance, high shock resistance and good heat radiation, is resistant to electromagnetic interferences and the waterproof grade thereof reaches IP 68, thus being capable of working for a long time under water.

The invention relates to a cable trench structure laid on a power transmission line, in particular to a power transmission line recessed assembled cable trench and a laying method thereof. The cable trench is characterized in that the cable trench comprises plural trench bodies connected end to end successively; each trench body has a recessed cross section and comprises a bottom plate and two side plates; trench cable bearer pre-embedded members are pre-embedded into the inner sides of the two side plates and are vertical to the bottom plate; the front end face of each trench body is provided with a tenon, the rear end face of each trench body is provided with a mortise, the tenon is connected with the mortise on the rear end face of a previous trench body and the mortise is connected with the tenon on the front end face of a following trench body so that an end-to-end structure is formed; water-swellable rubber bars are pressed in gaps in the mortise joints; each trench body is fixedly connected with the previous and following trench bodies through plural single-head bolts. The cable trench decreases the work amount of construction, shortens a construction period, increases the efficiency of long-distance transportation, reduces construction cost, and is expanded in application range in transmission line projects.

The invention discloses an underpass tunnel construction technology. The assembled underpass tunnel of the present invention includes a plurality of prefabricated blocks forming a tunnel section, the prefabricated blocks include a bottom plate, a top plate and a vertical wall, the bottom plate is a W-shaped structure, and the top plate is an M corresponding to the bottom plate. Shaped structure, the vertical wall includes a left vertical wall, a right vertical wall and a middle vertical wall, the joint between the top plate and the vertical wall is set as a concave-convex shear key structure, and an assembled reinforcement member is also provided at the seam . The tunnel divides the whole tunnel into a split structure of floor, roof and vertical wall, and the shape of each prefabricated block is reasonably set, the assembly structure is simple, and the construction efficiency is high. The structural strength and structural stability of the final wall can be improved, and a waterproof layer can be added on the reinforced components to meet the waterproof requirements, which is suitable for the rapid construction of urban road networks.

The invention discloses a fabricated external wallboard waterproof system. The fabricated external wallboard waterproof system comprises external wallboards, wherein the top faces of the external wallboards are in a three-step shape and comprise first drainage slopes, second drainage planes and third drainage slopes from outside to inside, and the bottom faces of the external wallboards are in a three-step shape coupled with the top faces of the external wallboards; and grooves are formed in one sides of the external wallboards, and protruding blocks coupled with the grooves are arranged on the other sides of the external wallboards. A construction method of the fabricated external wallboard waterproof system comprises the steps of external wallboard prefabricating, external wallboard storing, external wallboard transporting, external wallboard hoisting, sealing treatment of the coupling positions between the external wallboards and waterproof coating spraying. Through the structure that the external wallboards are coupled in the horizontal direction and the vertical direction, the path of water entering a room from the outside can be prolonged to the maximum extent, and after the waterproof effect of an outer side material fails, the structure of the external wallboards has a blocking effect on the water; and multiple waterproof barriers are adopted, the waterproof coating on the outermost layer has the characteristics of being high in strength, elongation and rebound resilience, excellent in fatigue resistance and aging resistance and the like, and the first waterproof requirement of the outer surface of a fabricated building is met.

The utility model relates to a waterproofing device suitable for the thermal expansion and cold contraction of the outer PE sheath outside a stay cable, comprising a waterproofing umbrella, matching screw or bolt pairs and a sliding inner liner; The waterproof umbrella is left-right type, the joint is straight line or tooth shape or broken line, the two-half type waterproof umbrella is fixed by screws or bolts, and is connected to form an umbrella-shaped waterproof object; An upper end of that waterproof umbrella is fasten and fixed on a PE sheath out of the cable through screws or bolts, A sliding liner made of a material having a small sliding friction coefficient in contact with the sealing cylinder is installed in a mounting groove (III) in the lower part of the waterproof umbrella, The sliding liner can slide freely on the cable sealing cylinder with the thermal expansion and cold contraction of the PE sheath, so that the waterproof umbrella of the waterproof device can slide up and down with the thermal expansion and cold contraction of the PE sheath. The waterproofing device can play a waterproofing and sealing role at the transition outlet between the front end of the anchor and the outer PE sheath of the cable, and has the advantages of simple installation, long service life and guaranteed cable body life.

The invention belongs to the technical field of engineering construction, and particularly relates to an anti-floating waterproof structure of an underground building. The anti-floating waterproof structure comprises a first force transmission structure and a second force transmission structure, and a first bottom plate and a second bottom plate which are tightly connected are arranged at the bottom of a second phase main body structure; a first phase envelope structure is arranged on the periphery of a first phase main body structure connected with the second phase main body structure; the second force transmission structure is between the top of the first phase envelope structure and the second bottom plate; the first force transmission structure is below the first bottom plate; one side of the first force transmission structure is appressed to the first phase envelope structure; the first force transmission structure and the second force transmission structure are in tight embodiment; a waterproof coiled material is arranged between the first force transmission structure and the second force transmission structure; and the two sides of the waterproof coiled material extend to be connected with waterproof coiled materials on the peripheries of the first phase main body structure and the second phase main body structure. The invention further provides a construction method of the anti-floating waterproof structure. According to the anti-floating waterproof structure, the waterproof coiled material is continuously laid at connection parts while floating resistance is achieved, anti-floating capacity and waterproof effect of the building are improved, and the anti-floating waterproof structure has the advantages of simple structure, easy construction and low cost.

The invention discloses an ultra thin waterproof shell battery integrated molding structure, production equipment and a production method. The ultra thin waterproof shell battery integrated molding structure comprises a plastic shell and a flexible battery which is integrally injected and formed at the inner side of the plastic shell. The other side of the flexible battery opposite to the plastic shell is covered by waterproof silica gel which is provided with a feeding through hole. The production equipment comprises a first mould part and a second mould part which are used for molding and shaping and at least a third mould part for silica gel shaping. The second mould part is used for placing the flexible battery. The first mould part and the second mould part are combined to form an injection molding cavity. The second mould part is internally provided with a local cooling system corresponding to the placing area of the flexible battery, and the local cooling system is used for preventing the overhigh temperature of the flexible battery in the process of injection molding. According to the ultra thin waterproof shell battery integrated molding structure, the ultra thin integrated molding structure with good waterproof performance can be realized, the ultra thin integrated molding shell is flexible, and various surface process can be carried out at the same time.

The invention discloses a waterproof structure for a shield-method tunnel anti-floating anchor rod node, which comprises a steel pipe body with a built-in seal end plate, and a water-seal steel ring arranged on the outer side surface of the steel pipe body, wherein the seal end plate is provided with an anchor rod hole; the seal end plate is welded inside the steel pipe body in a seal mode; the anchor rod penetrating through the anchor rod hole is welded with the seal end plate in a seal mode; the steel pipe body comprises a first steel pipe and a second steel pipe which are arranged coaxially; the diameter of the second steel pipe is greater than that of the first steel pipe; and one end of the second steel pipe is welded and fixed with one end of the first steel pipe through a connecting steel ring. The invention has the advantage of simple structure, is easy to operate; and compared with other waterproof devices, the invention is simpler to operate and has better waterproof effect in both pipe piece production and anchor rod construction.

The invention discloses a post-construction method of a reinforced-concrete-poured interior wall. According to the method, interior wall construction is performed after reinforced concrete pouring of an exterior wall, a structural beam and a roof. The method includes the specific steps that some post-pouring holes are reserved in pouring of the roof, and pouring of the interior wall is completed through the post-pouring holes in interior wall construction; or, no post-pouring hole is reserved in pouring of the structural beam and the roof, a sectional pouring mode is adopted in interior wall construction, a formwork is erected to complete pouring of the lower section of the interior wall, then another formwork is erected to complete pouring of the upper section of the interior wall, a bracket-shaped ramp is made on the formwork of the upper section of the interior wall, pouring of the upper section of the interior wall is completed through the bracket-shaped ramp from the side face of the interior wall, and a bracket-shaped concrete mixture is removed after being solidified. By means of the method, concrete pouring of the interior wall can be directly completed without digging post-pouring holes in the roof; the method has the advantages of shortening the construction period and reducing the construction cost.

The invention relates to the technical field of connectors, and discloses a Type-C connector and an assembling method thereof.The Type-C connector comprises a tongue plate, a shell, an annular sealing shell and a first sealing rubber ring, wherein the tongue plate comprises a fixing part and a tongue piece connected with the fixing part, and conductive terminals are arranged on the tongue piece; the shell sleeves the peripheral side of the tongue plate; the fixing part is positioned in the shell and is clamped with the side wall of the shell; the annular sealing shell comprises an annular body which sleeves the peripheral side of the shell and is connected with the side wall of the shell, and one end, facing the free end of the tongue plate, of the annular body is provided with a flange extending towards the outer side; the first sealing rubber ring is arranged on the peripheral side of the shell in a sleeving mode, located on the side, away from the annular body, of the flange and connected with the side face, away from the annular body, of the flange. The annular sealing shell in the Type-C connector is independently arranged and is fixed with the shell, the Type-C connector is small in thickness, simple in manufacturing process and small in occupied space, the manufacturing cost is reduced, and the Type-C connector can meet thin terminal equipment.

Waterproof dry-mixed mortar for plastering comprises the following components in percentage by mass: 18.6%-21% of cement, 78.55%-81% of sand, 0.3%-0.35% of thickening powder and 0.1%-0.12% of a waterproof additive, the waterproof requirement of plastering cement mortar is met by adopting the cement, sand and thickening powder in a proper proportion and adding the proper waterproof additive, the river sand is adopted, the sand is fine and smooth, the treatment procedure of the sand is reduced, most of the sand can be directly used, the sludge content is low, and cleaning is convenient.

The present invention relates to a waterproof frame of a photovoltaic module and a photovoltaic module comprising a waterproof frame. The waterproof frame comprises an upper frame, a lower frame, a side frame a and a side frame b. A lower frame waterproof side wing protruded outwardly is arranged on the upper frame, and a side frame waterproof side wing protruded outwardly is arranged on the sideframe a. Compared to the prior art, the waterproof frame of a photovoltaic module and the photovoltaic module comprising a waterproof frame are simple in structure, simple to process, high in installation precision and stable and reliable, and two side frames of a photovoltaic module are changed a little bit to improve the integral waterproof performance of a photovoltaic module array.

The invention discloses a waterproof direct current contactor which comprises a direct current contactor body. Fixed contacts and a movable contact are arranged in the direct current contactor body; the outer ends of two fixed contacts are exposed on the upper lateral surface of the direct current contactor body; two coil outgoing lines and a pair of pressure line terminals are arranged on the upper lateral surface of the direct current contactor body; the pair of pressure line terminals are respectively fixed to the outer ends of two fixed contacts and respectively lead out one main loop outgoing line; the waterproof direct current contactor is additionally provided with a plastic sleeve; the lower end of the plastic sleeve fixedly sleeves the peripheral surface of the upper end of the contactor body, and a height of the upper end face of the plastic sleeve is greater than that of each pressure line terminal; a waterproof insulation material is packaged in the plastic sleeve so as topackage the pressure line terminals in the plastic sleeve; the outer ends of two main loop outgoing lines and two coil outgoing lines are respectively led out of the waterproof insulation material. The waterproof direct current contactor meets the waterproof demand of a product in a case that the waterproof demand space is limited, and has the advantages of simple structure, low cost, good waterproofness and the like.

The invention discloses a magnetic resonance coil. The MR coil comprises an antenna part, one or more PCB boxes and a plug; the antenna part consists of an antenna and a waterproof sheath wrapping the antenna; the PCB boxes are electrically connected with the antenna, and the hard frameworks of the PCB boxes are stuck on the waterproof sheath; and the plug is electrically connected with the PCB boxes, and is stuck on the waterproof sheath. The MR coil can proof water, thus meeting the requirement of an MRI-guided HIFU system and other application cases on waterproofness.

The invention relates to the technical field of roofs, and discloses a roof heat preservation and waterproof structure and a construction method thereof. The roof heat preservation and waterproof structure comprises a base layer, a leveling layer is connected to the upper side of the base layer, a flexible waterproof layer is connected to the other side of the leveling layer, a heat preservation layer is connected to the side, away from the leveling layer, of the flexible waterproof layer, a rigid waterproof layer is connected to the side, away from the flexible waterproof layer, of the heat preservation layer, a reinforcing mesh layer is connected to the side, away from the heat preservation layer, of the rigid waterproof layer, a tile house layer is connected to the reinforcing mesh layer, and tiles are connected to the tile house layer. According to the roof heat preservation and waterproof structure and the construction method thereof, the problems that an existing roof needs to bedirectly exposed to the external environment and needs to be exposed to wind, sun and rain, waterproof heat-preservation materials are prone to aging and permeating, and the waterproof heat-preservation performance of the structure is affected can be solved.