108results about How to "Simple waterproof structure" patented technology

A housing structure includes an upper housing, a lower housing, a first waterproof member and a second waterproof member. The upper housing has a first connecting portion, and the lower housing has a second connecting portion. The upper housing and the lower housing are connected to each other by the first connecting portion and the second connecting portion. The first waterproof member is disposed between the first connecting portion and the second connecting portion. The second waterproof member is disposed between the first connecting portion and the second connecting portion. Wherein, a distance is formed between the first waterproof member and the second waterproof member.

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.

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 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.

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 present invention provides a paper container and a method of making the same. The method comprises the steps of preparing a mold; sending paper into the mold; injecting plastic material after closing the mold; and opening the mold to acquire a paper container. Thereby, the plastic material can be connected between two distal ends of the paper. So the connection part of the paper is smooth and flat without any bumps, and the paper container has a good waterproof structure.

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.

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.

The invention relates to the field of communication cabinets, in particular to a waterproof cabinet body with a water guide structure for a communication cabinet for an extreme weather. A groove is formed in the top part of an opening side of a cabinet body; a pull plate is arranged in the groove; limiting parts which protrude upwards are arranged at the outer ends of the pull plate; the other limiting parts are arranged at the inner ends of the pull plate for preventing the pull plate from being pulled away from the cabinet body; diversion trenches are formed in the upper surface of the pull plate and are arranged along the edge of the upper surface of the pull plate to communicate with each other; drainage channels which protrude outwards are formed in the outer ends of the pull plate and communicate with the adjacent diversion trenches respectively; leaking holes are formed in the top part of the cabinet body; the positions of the leaking holes correspond to those of the diversion trenches of the pull plate up and down; a movable turnover plate is arranged at the lower part of the pull plate; the size of the movable turnover plate is smaller than that of the pull plate; and rotating shafts of the movable turnover plate are located at the positions, close to the edge, of the outer ends of the pull plate. The communication cabinet capable of reducing the device damage risk during maintenance in a rainy day is provided through improvement of the cabinet body of the integrated communication cabinet.