67results about How to "Avoid the risk of water leakage" patented technology

The invention relates to a resistance spot welding device for aluminum-steel special plate welding and a welding method. The technical problems that an existing aluminum-steel special plate resistance spot welding has aluminum plate warping deformation and is poor in welding quality, low in production efficiency and not safe in operation are mainly solved. The resistance spot welding device comprises a center copper electrode, an insulating ring, a steel sleeve, a lower portion copper electrode and an insulation pin, the steel sleeve and the center copper electrode are coaxial, a gap matched with the thickness of the insulating ring is formed between the inner wall of the steel sleeve and the center copper electrode, the outer side of the center copper electrode is sleeved with the insulating ring in an inlaid manner, and the steel sleeve, the insulating ring and the center copper electrode are fixedly connected through the insulating pin to form a whole so as to form a composite electrode; and the lower portion copper electrode and the center copper electrode are coaxial, and cooling nozzles are arranged outside the peripheries of the composite electrode and the lower portion copper electrode. The resistance spot welding device is low in manufacturing cost, high in welding efficiency and high in welding quality and meets the aluminum plate and steel plate welding requirement.

The invention belongs to the technical field of concrete outer wall construction, and provides an anti-cracking structure for a joint of a full-concrete outer wall under-window filling wall and a shear wall and a construction method thereof in order to prevent the problem that cracks are generated at the positions such as the under-window wall due to concrete shrinkage. Anti-cracking steel bars and joint pulling plates are arranged in a concrete pouring layer at intervals, wherein the joint pulling plates comprise horizontal structure joint pulling plates and vertical structure joint pulling plates; the horizontal structure joint pulling plates are arranged between floors or beams of all layers and the under-window filling wall; and the vertical structure joint pulling plates are arrangedbetween the shear wall and the under-window filling wall; transverse anti-cracking steel bars are arranged at the joint of the shear wall and the under-window filling wall, and the transverse anti-cracking steel bars penetrate through the vertical structure joint pulling plates to be bound and overlapped with wall body steel bars of the shear wall and the under-window filling wall on the two sides. The anti-cracking structure is convenient to assemble and disassemble, construction joints are avoided, the hidden danger of water leakage of the structure is reduced, and the applicability is improved. The operation is convenient, the construction quality and effect are good, the change of the overall rigidity is avoided, the construction period is shortened, and the structural safety is guaranteed.

The invention discloses an integrated waterway board of a water purifier. The integrated waterway board comprises an integrally formed waterway board and a waterway board upper cover arranged above the waterway board. One side of the upper portion of the waterway board upper cover is provided with a plurality of water inlet solenoid valve ports, a plurality of waste water solenoid valve ports, a plurality of check valve high-voltage switch ports, a TDS port, a plurality of rear filter core ports, a first pump port and a second pump port. One side of the upper portion of the waterway board is provided with a tap water port, a living water port, a waste water port, a pressure barrel port and a pure water port. The lower portion of the waterway board is provided with a filter bottle port. The waterway board integrates a plurality of parallel water flow channels and control devices, and a waterway, a water inlet and a water outlet of the whole water purifier are controlled directly through the waterway board. The integrated waterway board can lower manufacturing cost, and a process for producing a water purification device is optimized. The use of PE pipes in a conventional water purifier for connection with a pipe is reduced, dozens of pipe connectors are reduced, and the risk of water leakage in connection of waterway units of the water purifier and potential risk are effectively avoided.

The invention discloses a water purifier and a waterway board of the water purifier. The waterway board of the water purifier comprises a raw water inlet, a waste water outlet, a purified water outlet, a raw water waterway, a first rough filtration water waterway, a refined filtration water inlet waterway, a waste water waterway, a first refined filtration water waterway, a second refined filtration water waterway, a purified water outlet waterway, a first-grade filter element water inlet faucet, a first-grade filter element water outlet faucet, a refined filtration water inlet faucet, a refined filtration filter element waste water faucet, a refined filtration filter element water outlet faucet, a postpositional filter element water inlet faucet and a postpositional filter element water outlet faucet. According to the water purifier and the waterway board of the water purifier, raw water can be filtered by the water purifier, and the structure is compact, thereby avoiding the risk of water leakage at the junction of the water purifier; and in addition, a multi-waterway flow direction design is also adopted, so as to meet the requirements of users for multi-waterway output, such as output of purified water and output of pure water.

The invention discloses a construction method for milling a cement soil stirring wall waterproof curtain through double wheels. The construction method is characterized by comprising the following steps that firstly, surveying and setting out are conducted for positioning; secondly, a trench is excavated; thirdly, a double-wheel pile milling machine is arranged in place, a positioning red line is pulled to the construction side of the excavated trench, a framing point is set according to a surveying and setting-out result and marked, and the double-wheel pile milling machine is arranged in place; fourthly, at each frame of station, the double-wheel pile milling machine is used, a cutter head conducts cutting and digging and sinks to the target depth, meanwhile, cement grout is injected in a jetting manner, and the cement grout is injected in the jetting manner and stirred while the cutter head is elevated; and fifthly, after one frame of wall is constructed, the double-wheel pile milling machine is moved to the next position, the fourth step is repeated, and the next frame of wall is constructed till construction of the waterproof curtain is finished. According to the construction method, connectors are few, the water leakage risk caused by construction of cold joints can be completely avoided, and the construction efficiency is high. In the construction process, vibration is avoided, and safety performance is good. Replacement soil is little, environment friendliness is achieved, and outward transporting of slurry is reduced.

The invention provides a joint structure between ground and a wall and a sandy soil layer foundation pit construction method. A lock catch pipe is installed at the position of an H-steel connector and can effectively ensure bonding of the H-steel connector and have the effect of preventing concrete flowing around. In addition, wing plates are arranged on two sides of H-steel and can prevent a gap between the H-steel and a foundation pit groove wall from being overlarge and accordingly prevent concrete from easily flowing out of a groove section, and accordingly the water seepage and leakage problem at the joint position between the ground and the wall is solved. Furthermore, by adopting the sandy soil layer foundation pit construction method, good precipitation treatment can be performed on a foundation pit, the water seepage and leakage risk is avoided during construction, and the risk of deep foundation pit construction in a sandy soil layer can be further reduced.

The invention discloses a pipeline system for an integral bathroom. A water outlet of a toilet is connected with a toilet sewage discharge connector on a sewage discharge integration module by virtue of a sewage discharge connecting pipe, a water outlet of a washstand is connected with a washstand water drainage connector on the sewage discharge integration module by virtue of a washstand water drainage pipe, a water outlet of a floor drain is connected with a floor drain water drainage connector on the sewage discharge integration module by virtue of a floor drain water drainage pipe, a water outlet part of the sewage discharge integration module is in plug-in type connection with a pipe fitting embedded in a wall body, and the embedded pipe fitting is communicated with a main sewage discharge pipe. The toilet, the washstand and the floor drain are respectively butted with corresponding connectors on the sewage discharge integration module by virtue of telescopic corrugated pipes, the connectors are collected on the sewage discharge integration module, and quick connection and mounting are realized; arrangement of pipelines utilizes a space of waterproof disk bottom reinforcing ribs and a space of wallboard reinforcing ribs, connecting pipes are flat pipes, and space is greatly saved; and height of a wallboard mounting surface above the ground is lowered, and effective space of the integral bathroom is increased, so that people can feel more comfortable when entering the bathroom.

The invention discloses a building big data management and control platform, which comprises a control cabinet, an environment monitoring module, a building equipment module and a remote monitoring module, and is characterized in that one side of the control cabinet is fixedly connected with a touch display, the control cabinet comprises a touch display, a management and control unit, an information receiving unit and a communication module, and a storage function is built in the management and control unit; and the environment monitoring module comprises an information transmission unit, a temperature monitoring unit, a humidity monitoring unit, an air quality monitoring unit, an illumination monitoring unit and an entrance guard monitoring unit. According to the invention, the indoor temperature, humidity, air quality, illumination and entrance guard of the building are monitored through the environment monitoring module; the control unit performs logic judgment on the environment monitoring information and generates a control instruction, and the control instruction is transmitted to each piece of equipment in the building equipment module through a wire, so that each piece of equipment in the building equipment module is regulated and controlled, and an environment capable of enabling a human body to feel comfortable is kept indoors.

The invention relates to an electric-vehicle-mounted charger. The electric-vehicle-mounted charger is fixed into a spare tire pond. The portion between the spare tire pond and the electric-vehicle-mounted charger is filled with supporting parts, gaps are reserved between the supporting parts and the spare tire pond, and cooling loops where air can flow are formed by the gaps between the supporting parts and the spare tire pond. The electric-vehicle-mounted charger is arranged in a closed space of the spare tire pond of a vehicle, an air inlet passage connected with the exterior and an air outlet passage connected with the exterior are avoided, the space occupied by an external air passage is avoided, and meanwhile the development cost is effectively reduced. A cooling fan is integrated in the electric-vehicle-mounted charger, and the space additionally occupied by installing the fan in the external air passage is avoided; internal air cyclically flows along the metal plate wall of the spare tire pond, the aim that overall metal plates of the spare tire pond exchange heat with the exterior to achieve cooling is achieved, and the electric-vehicle-mounted charger is cooled under the sealed condition; and an air passage outlet, opened outwards, of an automobile body is not needed, the development cost is reduced, and water leakage risks caused by hole forming are avoided.

The invention discloses a rapid installing clamp. A bottom plate fixedly connected with color steel tiles is included. Each of the two sides of the bottom plate is provided with a pressing plate and aside plate. The pressing plates and the side plates are arranged at intervals in the horizontal and vertical directions and provided with limiting clamps buckled to photovoltaic assemblies, and accordingly the photovoltaic assemblies are clamped and fixed to the two sides of the rapid installing clamp. The invention further discloses a roof photovoltaic building integrated system. According to the above rapid installing clamp, for the problems that an existing industry plant photovoltaic building integrated system is high in fire disaster hidden danger, the water leakage risk exists, and installation and construction are complex, the rapid installing clamp is adopted for fixing in the photovoltaic assembly installing manner, the problem that the installing and construction cost of the existing industry plant photovoltaic building integrated system is high is effectively solved, the water leakage risk is avoided, the later running and maintaining cost is reduced, the stress performanceof the photovoltaic assemblies is improved through the photovoltaic assembly and color steel tile combination manner, firmness and reliability are achieved, and the wind resistance performance is excellent.

The invention relates to a thermosistor seat assembly of an engine cooling system. The thermosistor seat assembly is mainly characterized in that a water inlet pipe cavity is integrated on a thermosistor seat, a minor-circle hole is machined between the thermosistor seat and the water inlet pipe cavity to form internal minor-circle; meanwhile, a heat radiator outlet connecting pipe and a water pump water-inlet pipe are assembled on the water inlet pipe cavity so that the whole periphery size of the engine is reduced. By means of the thermosistor seat assembly, an engine assembly is arranged on the whole vehicle more easily, and the pipelines of the whole vehicle are arranged more attractively and reasonably.

The invention discloses an underwater flexible arm and an AUV (Autonomous Underwater Vehicle) underwater flexible recovery mechanism. The underwater flexible arm comprises a composite unit, a torsion unit, a two-way pump, a three-position three-way valve, a motor and a control unit, the composite unit and the torsion unit are fixedly connected and are made of a flexible material; a spiral cavity with an opening in one end is formed in the torsion unit; at least five cylindrical cavities of which one ends are opened are formed in the composite unit; two-way pumps and three-position three-way valves are arranged at the opening ends of the spiral cavities and the cylindrical cavities; the two-way pump is driven by a motor; the control unit controls the motor and the three-position three-way valve, and the same-form rigidity changing function of the underwater flexible arm is achieved. The AUV underwater flexible recovery mechanism comprises a bottom plate and a long arm unit. Each long arm unit is composed of at least two underwater flexible arms which are connected in series end to end. According to the underwater flexible recycling mechanism, the AUV can be recycled in a flexible contact mode, and the water leakage risk caused by connection collision of the AUV is avoided.

The invention discloses a water deflector. The water deflector comprises a water deflector body, a socket, a seal ring, a flat mat, a fixing base, an annular backing ring, a downstream cup and a filter screen, wherein the water deflector body comprises an annular internal cylinder with the open top, an annular external cylinder, an annular external cavity and an annular internal cavity. The annular external cylinder is vertically arranged on the inner wall of the bottom of the annular internal cylinder with the open top along the central axis, the socket is cooperatively inserted into a side end opening of the annular internal cylinder with the open top, an inner cavity of the annular internal cylinder with the open top and the outer wall of the annular external cylinder form the annular external cavity, and the bottom of the annular internal cylinder with the open top and an inner cavity of the annular external cylinder form the annular internal cylinder. According to the water deflector, the requirement for the installation height is effectively reduced, more market requirements can be met, and the water leakage risk caused by adhesion or ultrasonic welding is effectively avoided. According to the overall structure, fewer parts are adopted, the cost is reduced, distinguishing between left and right directions is completely avoided, and the problem caused by human factors areeffectively solved.