109results about How to "Simple waterproof structure" patented technology

The invention discloses a peaty soft soil stratum subway station construction technology. A main structure of a constructed subway station comprises base plates, side walls, top plates and middle plates distributed between the top plates and the base plates. Underground consecutive walls are arranged on outer sides of the two side walls. The base plates, the side walls, the middle plates and the top plates are all of a rebar concrete structure formed by pouring waterproof concrete. The subway station construction technology comprises the following steps: (1) underground consecutive wall construction, (2) foundation reinforcement, namely, three-shaft stirring piles are used for reinforcing the foundation of excavated foundation pits, (3) vacuum water falling, namely conducting vacuum well point water falling construction on the foundation pits needing excavating, (4) foundation pit excavation, namely, an open excavation method is used for conducting earthwork excavation on the foundation pits needing excavating with a plurality of excavating layers from top to bottom, (5) subway station main structure construction. The method is simple, convenient to realize, quick in construction speed, capable of being ensured in construction quality easily, and good in construction effect, and enables the subway station construction process of peaty soft soil stratum to be completed simply, quickly and with high quality.

A variable speed switch includes a switch main body portion which is accommodated in a housing of an electric power tool and mounted to the housing so as to be capable of relative movement, and a load sensor which is provided in the switch main body portion and capable of outputting an electric signal in proportion to the amount of distortion caused by a pressing force. The switch operating portion is mounted on the surface of the housing so as to be capable of relative displacement with respect to the housing and transmits a pressing force applied to the switch operating portion to the load sensor, with the maximum displacement amount of the switch operating portion being set to equal to or less than 5 mm.

The invention belongs to the technical field of design and construction of tunnel and underground engineering and especially relates to a rock stratum underground excavation three-story subway station umbrella cover structure and a construction method thereof. The structure comprises a main arc structure and a reinforced concrete inverted arch. an underground two-story side wall and an underground three-story side wall are installed between the main arc structure and the reinforced concrete inverted arch. The main arc structure comprises an arch portion second lining middle segment and arch portion second lining side segments; the arch portion second lining side segments are positioned at two sides of the arch portion second lining middle segment; the reinforced concrete inverted arch comprises an inverted arch second lining middle segment and inverted arch second lining side segments; the top of the inverted arch second lining middle segment is provided with two bottom girders; the bottom of the arch portion second lining middle segment is provided with two top girders; steel-pipe columns are installed between the top girders and the bottom girders. The structure and the method of the invention is suitable for supporting structure and construction of weak rock stratum dug three-story subway station and large sections of underground space; the structure has good stability and increased construction efficiency.

Provision of a portable device capable of improving waterproof property in a push-in operation portion with a simple structure. A wrist watch (portable device) 11 includes an outer case (device outer housing) 12, an operation member 41 and a holding ring 46. The outer case 12 includes a holding portion 35 in which an annular bearing surface 35a is formed. The operation member 41 is made of a soft material having waterproof performance. The operation member 41 includes an annular packing portion 42 to be seated on the bearing surface 35a and a push-in portion 43 integrally connected to the portion, to which push-in operation is performed from the outside of the device outer housing 12.

A portable sound equipment comprising a neckband wire configured to wrap a predetermined region of a user's neck, a main body coupled to both ends of the neckband wire and configured to form an electric control unit, a first button hole configured to form an open portion in the main body; a first button exposed outside via the first buttonhole, a side case configured to cover a first area of the main body which includes the first button hole, and a drainage groove provide in the first area along a circumference of the first button hole and forming a step with an outer surface of the main body is provided, so as to enhance the waterproof structure and realize the slim design and light weight.

The invention relates to a handheld and portable capsule coffee machine which comprises a cylindrical main body, a water storage inner container and a lower liquid storage cavity. The water storage inner container is installed in the cylindrical main body, a piston cavity is formed in the middle of the water storage inner container, a water outlet valve is arranged at the bottom of the piston cavity, a push-pull plate is arranged on an upper cover arranged at the upper end of the water storage inner container, and the lower end of the push-pull plate is connected with a drawing piston rod stretching into the piston cavity; the lower end of the water storage inner container is connected with a material storage cavity, a water outlet sealing cover is installed at the upper end of the material storage cavity, the lower end of the water outlet sealing cover is arranged downwards and mediately and provided with a spike part, a lower spike body with an upward spike part is installed at the bottom of the material storage cavity, the lower end of the cylindrical main body is connected with the lower liquid storage cavity, and a water outlet hole is formed in the spike part. The handheld and portable capsule coffee machine is small in size, attractive in appearance, few in part and good in waterproof structure and cannot be generate a water leakage problem; in addition, capsules are automatically broken through the spike part, coffee in the capsules is directly brewed, and the requirements of people are met.

There is provided a wiring connection structure for electrically connecting two electrical components that is easily made waterproof and can prevent poor insulation or falling off of a wiring. The wiring connection structure 60 for a bicycle is a structure for electrically connecting a first electrical wiring 50 connected to a switch unit 23a mounted to a handlebar 15 and a second electrical wiring 51 connected to a second control unit 31, and includes a first connection terminal 61, a second connection terminal 62, and a tubular cover member 63. The first connection terminal 61 is a terminal electrically connectable to the first electrical wiring 50. The second connection terminal 62 is a terminal electrically connectable to the second electrical wiring 51 and the first connection terminal 61. The cover member 63 is a heat-shrinkable synthetic resin member covering at least both the connection terminals 61 and 62.

The invention discloses an assembly type waterproof structure of a horizontal joint of an external wall body and a construction method of the waterproof structure. The structure includes a lower prefabricated wall plate, a reinforced concrete beam is poured on the upper portion of the lower prefabricated wall plate, one part of water-stop rubber belt is embedded in a groove above the left end of the reinforced concrete beam, and water penetration is effectively prevented; the upper portion of the water-stop rubber belt is fixed with an upper prefabricated wall plate to form a first joint, thefirst joint is filled with non-shrinkage grouting materials, and the waterproof effect is enhanced; the left sides of the prefabricated wall plates are provided with a thermal insulation layer, the left end of a second joint on the thermal insulation layer is provided with a polyethylene foaming bar, and water penetration is effectively prevented; the left side of the thermal insulation layer is provided with an external wall protection layer, a third joint of the external wall protection layer is obliquely arranged, and water penetration is prevented through the gravity effect; the third joint is filled with non-shrinkage grouting materials, the left end of the third joint is provided with a weatherproof building sealant in a sealing mode, and the two materials are cooperated in preventing water penetration. The structure is simple, the waterproof effect is good and construction is simple and convenient.

An electronic cylinder includes a knob; a cylinder core connected with the knob; a motor having a protrusion block; a clutch unit; a coupler including a chamber receiving the clutch unit and a front portion having a front end face with an opening constituted by an injection channel indented inwardly from the end face and extending from a first point of a periphery confining the end face, an recess indented inwardly from a bottom surface of the injection channel and an outflow channel indented inwardly from the end face and extending from a second point of the periphery, the bottom of the recess being formed with a hole permitting extension of an axle for engaging the clutch unit, a preventing block in a depth of the opening such that after assembly, the end face abuts against the motor; and a waterproof filler hermetically filling the recess.

The invention discloses a floating type small pumping station. The floating type small pumping station overcomes the defects of existing pumping stations that construction period is long, manufacturing cost is high, structure is complicated, operation condition is unstable and maintenance is inconvenient. The pumping station is composed of a pile shaft, a pontoon, a pump chamber and a traffic bridge, wherein the pile shaft is vertically fixed to a water area suitable for water sampling, the pump chamber is connected with the pontoon, and the pontoon is provided with an inner cylinder serving as a guiding hole; the inner cylinder is in sliding fit with the pile shaft, and the pontoon can move up and down along the pile shaft along with the water level change of the water area; a water pump is fixed in the pump chamber and provided with a water inlet component and a water outlet component in a matched mode, a suction port of the water pump extends to water at the bottom of the pump chamber through the water inlet component, and an output port of the water pump is connected with a water delivery pipeline on the shore through the water outlet component; the traffic bridge is of a beam and slab structure, one end of the traffic bridge is hinged to a shoreside concrete base, the other end of the traffic bridge is connected with an idler wheel through a bearing, the idler wheel can roll along the upper surface of the pontoon, and traffic between the pump chamber and the shoreside can be maintained for any water level.

The invention discloses an LED display screen which comprises a box body, a display module and a sealing ring. The display module is arranged on the box body, and the sealing ring is arranged between the box body and the display module. The surface of the box body is provided with an opening. The display module is electrically connected with a circuit board inside the box body through the opening. The display module comprises a module body and an installation base arranged on the back side of the module body. The installation base is used for installation of the sealing ring. The sealing ring surrounds the periphery of the opening and is arranged between the installation base and the surface on the periphery of the opening in an elastic extrusion mode so as to seal a gap formed between the back side of the module body and the surface on the periphery of the opening. The LED display screen is simple in waterproof structure and good in waterproof effect, and can achieve the waterproof level being IPx5.

A portable device, which performs wireless communication with a communication peer, includes a battery, which powers an electronic component, and a case, which accommodates the electronic component and battery. The case includes a battery compartment having an opening. An elastic waterproof seal surrounds the opening. A battery lid, which covers the opening, is formed integrally with the waterproof seal and coupled to the case in a direction perpendicular to a radial direction of the waterproof seal. A rim around the opening of the battery compartment pushes the waterproof seal when coupling the battery lid to the case thereby elastically deforming the waterproof seal in an inward radial direction. The waterproof seal, when elastically deformed, keeps the battery lid coupled to the case and seals the battery lid and case in a liquid-tight state.

In this vehicle electronic control device, a control board having an electronic component mounted thereon is housed inside a case and a connector portion for connecting the control board to the outside is formed integrally with the case. The connector portion is formed by a housing portion covering the control board, and a terminal portion integrally embedded in the housing portion. The terminal portion has: a terminal for external connection, protruding from the housing portion; and an intermediate path portion extending from the terminal and connected to the control board. An exposure portion which allows the intermediate path portion to be exposed over the entire periphery thereof is formed in a part of the housing portion. An interface sealing member for sealing the interface between the housing portion and the intermediate path portion is provided in the exposure portion.

The invention discloses a fiber reinforced TSR polyethylene tire modified asphalt waterproofing coil which comprises a fiber reinforcing layer, an upper bonding layer, a modified polyethylene tire base layer, a lower bonding layer and an isolating membrane which are sequentially connected to each other. The invention further discloses a construction method of the fiber-reinforced TSR polyethylenetire modified asphalt waterproofing coil. The construction method comprises the following steps of P1, construction of a concrete underlayer of an underground engineering floor, leveling and performing of calendaring once, P2, hot melt construction and P3, pre-paving construction. According to the fiber reinforced TSR polyethylene tire modified asphalt waterproofing coil and the construction method, the hot melt and pre-paving construction methods are combined in the construction of the waterproofing coil, the waterproofing structure is simple in layer, the double guarantee of waterproofing safety is realized, and the probability of water leakage is effectively reduced.

The invention relates to a three-side turning billboard, which belongs to the field of billboards. The three-side turning billboard comprises a support frame, a plurality of triangular prisms, a driving device, a transmission device, a lighting device and a controller, wherein the plurality of triangular prisms are arranged on the support frame; a reinforcing support column is fixedly connected to one side of the back of the support frame, and the top end of the reinforcing support column is connected with one end, which is far from the reinforcing support column, of the support frame through a plurality of chains; an air filter port is formed in the reinforcing support column; each triangular prism comprises a central column, a triangular frame and a plurality of support plates and connecting plates which are used for connecting the central column with the triangular frame; the support plates are vertically arranged between the side surface of the triangular frame and the central column and are vertically arranged in the middle of the side surface of the triangular frame. According to the three-side turning billboard, the reinforcing support column is arranged, and the structure of the triangular prisms is improved, so that the strength and stability of the whole billboard are increased.

A waterproof garment in the form of a cloak is disclosed. The cloak includes an outer layer and an inner layer, each made of a suitable fabric. The outer surface of the outer layer is endowed with decorative properties such as color and texture for the intended use. The inner surface of the inner layer is preferably chosen for suitability in coming in contact with a wearer. Enclosed between the outer and inner layers, protected from abrasion and other potential hazards inherent in direct physical contact, at least one surface is a weather layer, preferably impervious to water.

The invention relates to a waterproof cross linked polyethylene insulated power cable. The cable comprises cable cores. The cable cores are wrapped by wrapping tape in a winding mode after being stranded, a cable core shielding layer is arranged on the outer side of the wrapping tape, a longitudinal waterproof layer is arranged on the outer side of the cable core shielding layer, a metal-plastic composite waterproof layer is arranged on the outer side of the longitudinal waterproof layer, a metal shielding layer is arranged on the outer side of the metal-plastic composite waterproof layer, a cross linked polyethylene insulated layer is arranged on the outer side of the metal shielding layer, an outer sheath layer is arranged on the outer side of the cross linked polyethylene insulated layer, and a semi-conductive coating is arranged on the outer side of the outer sheath layer. Each cable core comprises a conductor, and a conductive inner shielding layer, a conductor inner insulating layer, a corrugated aluminum wrapped waterproof layer, a waterproof layer, a conductor outer shielding layer and a conductive outer insulating layer are sequentially arranged on the outer side of the conductor. The waterproof cross linked polyethylene insulated power cable is provided with a good waterproof structure so that it can be effectively avoided that the water tree phenomenon is caused after the cable exists in a humid environment for a long time, and the cable is effectively protected.

A controller includes: a communication attachment member configured to be detachably attached to a measuring device body; a second light emitter / receiver provided to a communication attachment member and configured to transmit / receive a signal to / from a first light emitter / receiver of the measuring device body; and a second controller configured to transmit / receive a signal to / from the second light emitter / receiver. An electronic circuit unit, electronic calibration unit, first control unit, signal transmission unit and the first light emitter / receiver are provided inside a housing of the measuring device body. A window is hermetically provided to a plate of the measuring device body. The communication attachment member includes a cover configured to be disposed so that the second light emitter / receiver faces the window and an engagement portion provided to the cover to be engageable with the housing.

The invention provides an automatic agricultural-machinery intelligent terminal box based on Beidou positioning. The terminal box comprises a fixing mechanism, wherein a set of waist circular holes which are convenient to fix are formed in the fixing mechanism, a heat dissipation mechanism is fixed on the fixing mechanism through bolts, and the fixing mechanism is connected with an agricultural machine; the fixing mechanism is provided with four step holes which facilitate connection of screws and the terminal box, the terminal box is provided with a circuit board, and the heat dissipation mechanism is connected with the circuit board on the terminal box; and elastic seats A are arranged the positions, beside the waist circular holes, of a base, the structures of the elastic seats A are the same as those of elastic seats B, a fixing bolt with a ratchet-shaped fixing block is arranged on each waist circular hole, a damping seat with a threaded connection is arranged on each fixing bolt,and each damping seat is composed of two hexagonal nuts. When the base is connected with a machine body through the fixing bolts, the elastic seats A prevent the fixing bolts from loosening, the agricultural machine generates large vibration during work, and the terminal box is shock-reduced after installation of the damping seats.

The invention discloses a highly waterproof fireproof power cable. The highly waterproof fireproof power cable includes a cable core which is formed by parallelly intertwisting a plurality of insulated wire cores, a gap of the cable core is filled with a water-blocking rope and rounded, a water-blocking tape of an irregular shape whose centers of four sides are recessed inwards is extruded outside the cable core, four edges of the water-blocking tape of the irregular shape wrap the insulated wire cores, the water-blocking tape is longitudinally wrapped by an aluminum-plastic tape waterproof layer, a gap between the water-blocking tape and the aluminum-plastic tape waterproof layer is provided with a water-tolerant tree-shaped polyethylene extruded waterproof layer, and a water-tolerant tree-shaped polyethylene extruded waterproof layer, a ceramic silica gel fire insulation layer and a high-flame-retardant halogen-free low-smoke flame-retardant polyolefin sheath are extruded outside the aluminum-plastic tape waterproof layer in sequence. The cable has excellent high waterproof fireproof characteristics and the like, can be widely applied to places having waterproof flame-retardant fire-resistant requirements such as a power plant, a hydropower station, a transformer station and a high-rise building, and product performance is excellent.

A waterproof structure of a connector is disclosed. The waterproof structure comprises an electronic equipment housing and a waterproof jacket; a hole for exposing a connector assembly is formed in the electronic equipment housing; the waterproof jacket is arranged in the position of the hole; the waterproof jacket comprises a sleeve for accommodating the connector assembly and an installation part fixed around the hole; a sealing ring is arranged between the installation part and the electronic equipment housing; the sleeve is provided with an opening for exposing the connector assembly; the waterproof structure also comprises a waterproof soft cover connected to the electronic equipment housing; and the waterproof soft cover is used for being connected with the installation part to form a ring of sealing structure surrounding the opening.

The invention discloses a supporting and protecting pile and a composed supporting and protecting row pile. The supporting and protecting pile comprises a precast concrete pile body with a reinforcingsteel bar cage composed of multiple vertical prestressed reinforcing steel bars and multiple transverse stirrups, and the cross section of the pile body is in a first rectangular shape with a first semicircular groove in one side. The supporting and protecting pile further comprises metal end plates at the two ends. Multiple through holes allowing the multiple vertical prestressed reinforcing steel bars to penetrate are formed in the metal end plates. Multiple guide insertion connection columns are arranged on one end plate, insertion connection blind holes which are in one-to-one correspondence with the multiple guide insertion connection columns are formed in the other end plate, horn mouth clamp rings with the large upper portions and the small lower portions are arranged in the holes,and each horn mouth clamp ring is composed of multiple metal elastic pieces. The long side of the supporting and protecting pile is close to the contact face of the foundation pit inner side around afoundation pit and the supporting and protecting pile and forms a ceaseless connection line extending in the length direction. The supporting and protecting pile and the composed supporting and protecting row pile have a small earth squeezing effect, are good in compactness, are large in contact area of the contact face of the foundation pit inner side around the foundation pit and the supportingand protecting pile, and are high in bending resistance.