50results about How to "Solve the waterproof problem" patented technology

The utility model discloses a laser radar fixing device, which comprises a radar fixing device main body and a laser radar, the radar fixing device main body is covered with a decorative cover, the bottom of the radar fixing device main body is provided with a bottom plate support, the bottom plate support is a stamping bending piece, and the laser radar is arranged on the bottom plate support. The bent part of the bottom plate support is clamped and matched with the bottom of the radar fixing device body, welding studs are evenly welded to the bottom plate support, fixing penetrating holes corresponding to the welding studs in position are formed in the bottom of the radar fixing device body, and radar mounting holes are formed in the side face of the radar fixing device body. And camera preformed holes are symmetrically formed in two sides of the radar mounting hole in the side surface of the radar fixing device main body. The laser radar fixing device has universality for the laser radar fixed on the top of a vehicle head or a container, solves the problems of attractiveness and water resistance of installation of the laser radar, is simple in structure, and gives consideration to the installation process and maintenance convenience.

The utility model relates to an assembly type kitchen and bath. The assembly type kitchen and bath comprises a base plate and a wall body assembled around the base plate. The chassis comprises a plurality of bottom plates which are spliced together; the wall body comprises a plurality of wallboards which are spliced together; the bottom plates are spliced through a first splicing assembly; the wallboards are also spliced through the first splicing components; the bottom plate and the wall plate are spliced through a second splicing assembly; the first splicing assembly comprises a first splicing and inserting body and a second splicing and inserting body which are integrally arranged with the edge covering profile of the bottom plate or the wall plate and are mutually buckled and locked; the second splicing assembly comprises a guide splicing body which is integrally arranged with the edge covering profile of the bottom plate, and a slot body which is integrally arranged with the edge covering profile of the wall plate; and the slot cavity of the slot body is matched with the guide splicing body. The utility model has the advantages of high assembly efficiency, stable structure and prominent sealing and waterproof effects; and meanwhile, kitchen and bath requirements of various layouts can be met.

The utility model discloses a building toilet seepage water integral isolation drainage drainage waterproof device which comprises a drainage pipe arranged at the upper end of a sewage drainage pipe, a PVC (polyvinyl chloride) floor sealing plate is arranged on the inclined surface of a floor, a stainless steel filter plate is arranged on the PVC floor sealing plate, an accumulated water overflow cover is fixedly arranged in the middle of the PVC floor sealing plate, and the drainage pipe is arranged on the drainage pipe. Grid holes are formed in the upper end of the accumulated water overflow cover, a geotechnical cloth layer is arranged in a cavity between the accumulated water overflow cover and the stainless steel filter plate, a PVC side face sealing plate is arranged on the inner side face of the wall body, the lower end and the side face of the PVC side face sealing plate are integrally provided with bent connecting edges, and the connecting edges enable the PVC side face sealing plate and the PVC floor sealing plate to achieve electric melting sealing connection at the wall corner. The utility model not only has a simple structure and is convenient to manufacture and construct, but also can effectively prevent seepage water from seeping into the floor of the toilet, and effectively solves the hidden danger of water leakage and the difficult problem of water prevention at the place where the toilet of the building is contacted with the pipe and at the corner.

This utility model relates to the field of hydraulic station housing technology, and provides a rainproof hydraulic station housing, which includes a plurality of lifting rings on the top surface of the housing; a rain cover plate is detachably installed on the top surface of the housing, and the rain cover plate has a plurality of clearance holes adapted to the size of the lifting rings, with each clearance hole corresponding to one of the lifting rings, and each clearance hole is surrounded by a water baffle plate, and the rain cover plate is surrounded by water guide grooves. In this design, the top surface of the housing is provided with welded lifting rings that meet export requirements, the rain cover plate is detachably installed with adapted clearance holes, the exposed lifting rings are suitable for lifting, and the lifting rings can seal the clearance holes to prevent rainwater from seeping in. The water baffle plates around the clearance holes prevent water from entering through gaps, and the water guide grooves around the cover plate accelerate drainage, reducing the possibility of rainwater entering through gaps. Its detachable design facilitates installation and maintenance, and the combined structure combines waterproofing and lifting, making it suitable for export products.

The utility model belongs to the technical field of waterproof of lower room structures, and particularly relates to a waterproof and anti-leakage structure of a basement connection node. In order to solve the problems that complex water seepage paths are difficult to resist, the maintenance cost is increased due to inconvenience in disassembly and maintenance and a waterproof layer is easy to crack due to insufficient deformation coordination of a rigid assembly and a wall body in the existing single-layer waterproof or permanent fixed installation design, the following scheme is provided: the waterproof structure comprises an existing wall body and a newly-built wall body; a multi-stage water seepage blocking path is formed through the inner waterproof layer and the water stop steel plate, and even if a single layer is damaged, underground water pressure can still be effectively resisted; quick disassembly and assembly are achieved through threaded connection and a clamping structure, wall damage is avoided, and the maintenance cost is remarkably reduced; the flexible coiled material and the sealing rubber strip absorb structural deformation displacement, the fixing block embedment design limits displacement of the waterproof belt, long-term stability under dynamic loads is ensured, and the technical problems that a traditional waterproof layer cracks, is difficult to maintain and poor in adaptability are comprehensively solved.

The utility model discloses a new energy truck battery replacing device, including box, box top installation has the box cover, and the box is installed with the rubber ring between the box cover, is equipped with the cavity in the box, and the bottom of cavity installs the mounting panel, and the electronic component and the connecting wire bundle are installed on the mounting panel, and one side of electronic component and connecting wire bundle is connected with the battery replacing connection device, and the battery replacing connection device installs at the bottom of box, and the other side of electronic component and connecting wire bundle is connected with the quick -witted connector, and the quick -witted connector installs at one side of box, and the quick -witted connector is connected with the battery pack, and one side of box is installed with the breather valve.

The invention provides a low-level waterproof switch circuit and a vehicle, comprising: a main circuit, one end of the main circuit is connected to the positive electrode of the battery, the other end is connected to the negative electrode of the battery, and the main circuit is provided with a controlled element and a conducting element connected in series; a low-voltage control circuit, connected to the control end of the conducting element, used to control the on and off of the conducting element; a control switch, which is arranged in series on the low-voltage control circuit, used to control the operation of the low-voltage control circuit. The low-level waterproof switch circuit effectively improves the waterproofness and spark-proof performance of the circuit.

The invention discloses a building glass curtain wall photovoltaic assembly integrated design system which comprises a keel unit, a glass curtain wall assembly, a crystalline silicon photovoltaic curtain wall assembly and a thin film photovoltaic curtain wall assembly, the keel unit is fixedly arranged on a building structure, the glass curtain wall assembly is arranged on the keel unit and located at the indoor daylighting position, and the crystalline silicon photovoltaic curtain wall assembly is arranged on the thin film photovoltaic curtain wall assembly. The crystalline silicon photovoltaic curtain wall assemblies are arranged at the positions, between every two adjacent keel units on the upper layer and the lower layer, of building interlayer floor slabs, the film photovoltaic curtain wall assemblies are fixedly arranged on the keel units and located at the indoor daylighting positions, and the film photovoltaic curtain wall assemblies and the glass curtain wall assemblies on the same layer are arranged at intervals. The building glass curtain wall photovoltaic module integrated design system integrates fire prevention, water prevention, heat preservation and power generation, the compatibility problem of fire prevention, power generation, heat preservation, heat dissipation and the like is solved by arranging an airflow channel, a waterproof measure, the wiring duct trend and the like, and economical efficiency, practicability and attractiveness of building design are guaranteed.

The present invention relates to a drive device for rotating a single output shaft at a high speed or a low speed, and a juicer which uses the drive device and can also be used as a blender, the drive device for rotating a single output shaft at a high speed or a low speed comprising: a drive motor; a clutch which moves up and down, is coupled to a rotor shaft top gear formed on a motor shaft of the drive motor when moving downward, and rotates together with the motor shaft; an output shaft having a lower end coupled to an upper end of the clutch and rotating together with the clutch; the output shaft gear is sleeved on the output shaft and rotates, and when the clutch moves upwards, the output shaft gear is combined with the clutch and rotates together with the clutch; the rotor shaft gear is arranged on the motor shaft in a sleeving mode, rotates together with the motor shaft and is elastically supported, and when the clutch moves towards the lower side, the rotor shaft gear makes contact with the clutch and moves towards the lower side; and a reduction gear coupled between the rotor shaft gear and the output shaft gear and configured to reduce a rotational speed of the output shaft gear with respect to a rotational speed of the motor shaft.

The utility model relates to the technical field of electric wires, in particular to a waterproof electric wire, which comprises a first connecting part and a second connecting part, the second connecting part comprises a second insulator, and a sealing seat inserted into the sealing cavity is coaxially fixed at the rear end of the second insulator; a plurality of waterproof barriers are formed through close fit of the sealing edges of the sealing piece and the grooves of the sealing seat and insertion connection of the sealing rings and the double sealing grooves, and the splicing gap of the connector is completely filled; meanwhile, a multi-layer protection structure of the insulating layer, the filling layer, the waterproof layer and the wear-resistant layer of the waterproof wire body and the waterproof design of the joint are in synergistic effect, so that full-link waterproof of the wire from the wire body to the joint is realized; the design effectively prevents conductor corrosion and insulation layer failure, ensures long-term stable operation of an electrical system in complex environments such as humid, underground and underwater environments, and effectively solves the waterproof problem of the wire joint.

The utility model relates to cooking equipment, which comprises a box body, a heating device, a heating device and a control device, the door body is movably connected to the box body, the door body comprises a door frame, a first glass layer and a second glass layer, the first glass layer, the second glass layer and the door frame jointly define a containing space, and the containing space comprises an air inlet and an air outlet; the camera assembly is arranged in the accommodating space; the camera assembly comprises a shell, a waterproof breathable film and a camera, an upper opening is formed in the top side of the shell, a lower opening is formed in the bottom side of the shell, and a hollow area is defined by the inner wall of the shell; the hollow area is communicated with the accommodating space through the upper opening and the lower opening; the air inlet is located below the shell, and the air outlet is located above the shell; the waterproof breathable film is arranged on the shell and covers the upper opening; the camera is at least partially located in the hollow area, a lens of the camera faces the cooking cavity, and the camera is located under the top side of the shell in the state that the door body is closed. According to the cooking equipment, the heat dissipation and waterproof problems of the camera are solved.

The utility model relates to building board wall technical field, and disclose a kind of building board wall with sound insulation mechanism, including board wall ontology, still including splicing component, the splicing component is set on board wall ontology, still including sound insulation component, the sound insulation component is set in board wall ontology, still including sealing component, the sealing component is set in splicing component, the sealing component includes rubber strip.This building board wall with sound insulation mechanism can make the contact surface of first splicing block and second splicing block more conformable by the chamfer of first splicing block, after splicing, different groups of first splicing block and second splicing block can be injected into sealing material by injection port, sealing material penetrates into the gap of first splicing block and second splicing block by outlet, realize good sealing, the device strengthens wall body anti-seepage, improves sound insulation effect and the like advantages, solve the problem that board wall gap expansion leads to sound insulation and waterproof failure.

The utility model discloses a waterproof paint spraying machine for waterproof construction. The waterproof paint spraying machine comprises a base, a mixing mechanism and a spraying mechanism, a mounting plate is arranged on the right side of the upper end of the base, a storage tank is arranged on the left side of the upper end of the base, a feeding pipe is arranged in a feeding port formed in the front side of the outer cambered surface of the storage tank, a feeding valve is connected in series with the middle of the feeding pipe, a connecting pipe is arranged in a discharging port formed in the right side of the outer cambered surface of the storage tank, and a connecting valve is connected in series with the middle of the connecting pipe; the mixing mechanism comprises an output rod, a fixing plate, mounting rods and stirring fan blades, the output rod is rotationally connected to the middle of the top wall of the storage tank through a bearing, the fixing plate is arranged at the lower end of the output rod, and the mounting rods are rotationally connected to the lower end of the fixing plate through bearings correspondingly. The cost is relatively low, the time for mixing the waterproof coating is shortened, and the problem that the subsequent waterproof effect is affected due to uneven mixing of the waterproof coating is solved.

The invention discloses a composition for a breathable waterproof coating, the coating and a preparation method of the coating, belongs to the technical field of building coatings, and aims to solve the problem that a coating is bubbled and stripped due to low water vapor permeability of an existing waterproof coating. The composition is prepared from the following raw materials in parts by weight: 35 to 45 parts of acrylic emulsion, 0.1 to 0.3 part of cross-linking agent, 5 to 10 parts of diatomite, 0.2 to 0.5 part of wetting agent and 0.1 to 0.3 part of carbon nano tube. The preparation method comprises the step of sequentially dispersing and mixing the acrylic emulsion, the defoaming agent, the cross-linking agent, the water, the preservative, the diatomite, the heavy calcium carbonate, the wetting agent, the carbon nano tube, the precipitated barium sulfate and other raw materials at a specific rotating speed. The coating keeps excellent waterproof performance, tensile strength and flexibility, meanwhile, the water vapor permeability is remarkably improved, and the coating has good constructability and durability and is suitable for building waterproof engineering with high requirements for air permeability.

This utility model discloses a waterproof intermediate joint, relating to the field of cable joint technology, comprising: a connecting structure disposed on the outside of the cable core; a first waterproof layer disposed on the outer periphery of the connecting structure and the core insulation layer; a joint body disposed on the outer periphery of the first waterproof layer; an end sealing structure disposed at both ends of the joint body; and a second waterproof layer disposed between the joint body and the end sealing structure. This utility model provides an interface compatibilizer between the joint body and the core insulation layer, and provides an interface compatibilizer or primer at the ends of the joint body, which effectively improves the connection strength between the joint body and adjacent structures. The interface compatibilizer or primer eliminates interface gaps, solving the waterproofing issues between the joint body and the internal core, as well as between the joint body and the outer ends, ensuring safe, stable, and reliable operation of the product under long-term water immersion conditions.

The present invention provides a waterproof and spark-proof switch circuit system for electric vehicles, comprising a switch SW, a triode Q1, a triode Q2, a MOS tube Q3 and a voltage regulator ZD1; one end of the switch SW is connected to the base end of the triode Q1, and the other end is connected to the negative end of the battery; the collector end of the triode Q1 is respectively connected to the negative end of the voltage regulator ZD1 and the base end of the triode Q2, and the emitter end of the triode Q1 is connected to the negative end of the battery; the collector of the triode Q2 is connected to the positive end of the battery, and the emitter end of the triode Q2 is connected to the negative end of the battery; the gate end of the MOS tube Q3 is connected to the collector end of the triode Q2, the source end of the MOS tube Q3 is connected to the positive end of the battery, and the drain end of the MOS tube Q3 is connected to the negative end of the battery through a controlled component. The present invention meets the functional requirements of waterproof and spark-proof for electric vehicles, and has a simple structure, low cost, and is conducive to a large number of applications.

The utility model provides a flashing node at high and low spans of an extended plant, which solves the waterproof problem of a sandwich panel wall surface of the extended plant and ensures the safe production and operation of the plant. The wall comprises a high wall body and a low wall body, a high-position window is arranged at the high-position wall body, and a sandwich board is arranged on the surface of the high-position wall body; a deformation joint is arranged between the high wall body and the low wall body; the device is characterized by further comprising an edge closing bracket, an edge closing plate, a flashing plate and rock wool, the edge closing bracket is fixed at the bottom of the sandwich panel; the upper portion of the edge closing plate is fixed to the edge closing support, and the lower portion of the edge closing plate is bent inwards, then stretches into the position above a window frame of a high-position window from the bottom of the sandwich plate and is fixed to a high-position wall. The flashing plate is arranged above the deformation joint, the upper portion of the flashing plate is fixed to the edge closing plate, the lower portion of the flashing plate is fixed to the low wall, and the middle of the flashing plate inclines downwards. And rock wool is fixed at the lower part of the deformation joint for blocking.

The invention provides a quick-splicing type steel structure module building roof mounting structure and a mounting method. The quick-splicing type steel structure module building roof mounting structure comprises a main body structure, roof purlins, roof panels and connecting and sealing assemblies, wherein the main body structure comprises longitudinal top edge beams and transverse top edge beams; the roof purlines are detachably arranged on the upper portions of the transverse top edge beams. The roof panel is detachably arranged on the roof purline; the connecting and closing assembly is detachably arranged on the periphery of the main body structure and the roof panel and comprises a transverse connecting assembly, a high-end connecting assembly and a low-end connecting piece. By arranging the connection sealing assembly, the waterproof problem of the steel structure module building roof installation structure is effectively solved, connection joints are reliable, and the waterproof performance is excellent; the connection between the roof structure and the main body structure is firmer; all the components are prefabricated in a factory and are assembled on site through bolts, so that the components are more convenient to transport and can be quickly mounted and dismounted for multiple times, and the use flexibility of the steel structure module building is improved.

The utility model discloses hot stamping reverse gloss oil alumite, which relates to the field of alumite, solves the problem that each coating in the existing alumite is poorer in antistatic property and water resistance, and adopts the following scheme that the hot stamping reverse gloss oil alumite comprises a base film layer, a stripping layer, a color layer, a color layer, an electroplated layer and a glue layer, the base film layer is coated with a stripping layer, and the stripping layer comprises a water-based release coating and a paint coating; the water-based release coating is tightly attached to the outer wall surface of the base film layer, and the base film layer is coated with the water-based release coating through a coating machine; the main material of the paint coating is waterproof paint, and the paint coating is coated on the water-based release paint in an electrostatic spraying manner; according to the hot stamping reverse gloss oil alumite, the high temperature resistance can be guaranteed through the arrangement of the water-based release coating in the stripping layer, the alumite has the waterproof performance due to the arrangement of the paint coating, and the electrostatic capacity of the alumite can be guaranteed through the electrostatic spraying mode.

The utility model discloses a heat pump unit, and belongs to the technical field of heat pumps. The heat pump unit mainly comprises a box body, an electric control box used for controlling the heat pump unit is installed in the box body, an electric control board is installed in the electric control box, and a heat dissipation assembly used for cooling the electric control board is installed in the electric control box; the heat dissipation assembly comprises a heat dissipation copper pipe, a heat absorption mechanism is installed on the side wall of the heat dissipation copper pipe and makes contact with the side wall of the electric control board, a water removal mechanism used for removing water drops on the side wall of the heat absorption mechanism and the side wall of the heat dissipation copper pipe is installed on the side wall of the heat absorption mechanism, and the side wall of the heat dissipation copper pipe is further fixedly connected with a driving mechanism. The driving mechanism is installed on the water removal mechanism through a coupler and provides power for the water removal mechanism, cooling water flows to provide power for the water removal mechanism, energy consumption is reduced, meanwhile, water drops attached to a heat dissipation copper pipe and an aluminum plate of the heat absorption mechanism due to condensation can be removed through the water removal mechanism, and the water removal efficiency is improved. Therefore, a better heat dissipation effect is provided while contact with the electric control board is achieved.

The present invention provides a tunnel waterproofing construction method, which identifies water-prone areas on an underground three-dimensional model by graying a deformation distribution cloud map into a grayscale cloud map; marks corresponding positions of the water-prone areas on a tunnel area to be constructed as installation positions of a waterproof protective layer to perform waterproofing layer construction at the installation positions; the waterproofing protective layer established by the waterproofing layer construction operation includes a self-waterproofing structural layer of a concrete structure connected to each other by a moisture-proof adhesive, an inner waterproofing layer of at least one layer of synthetic polymer waterproofing coiled material, and a reinforcing layer. The construction method can realize the identification of water-prone areas of a tunnel to be constructed in advance, and then waterproof protection of the tunnel is performed by a variety of effective waterproofing structures including synthetic polymer waterproofing coiled materials, thereby reducing the manpower and material resources for surveying, and has a good waterproofing effect, and can prevent possible water seepage in the future.

The invention provides an electric hydrofoil, and relates to the technical field of hydrofoils. The electric hydrofoil comprises a floating plate, a vertical rod assembly arranged on the lower wall of the floating plate, a battery bin arranged in the floating plate, a battery pack, a controller and a bin cover rotationally connected to the upper wall of the battery bin. According to the invention, the vacuum pump is adopted to form negative pressure in the battery compartment, the battery compartment and the compartment cover are more tightly combined through extrusion of external air pressure, and then the first sealing piece is matched, so that the waterproof problem is fundamentally solved; the fixing plate on the vertical rod assembly is pushed into the clamping groove in the lower side of the fixing base, the vertical rod assembly is manually flattened, and then the hand-turned screw is inserted and tightened, so that mounting and fixing can be completed, mounting and dismounting are very efficient, and through the integrated design, connecting lines of all parts are concentrated on one connector; during use, any one plug can be selected to be plugged with a to-be-connected part, so that the connection operation is simple and efficient.

The utility model belongs to the technical field of coating spraying, and particularly relates to a multi-component waterproof coating full-automatic spraying machine which comprises a supporting assembly, the supporting assembly comprises a working table and a placing table, the working table is installed on the upper surface of the supporting assembly, and a transmission assembly used for driving materials to move is arranged on the supporting assembly. The placing table is mounted in the transmission assembly and is used for placing all materials; the transmission assembly is arranged on the workbench, the transmission assembly comprises a transmission gear and a transmission hinge, the transmission gear is installed on the workbench and used for driving the transmission hinge to move, the transmission hinge is arranged in the transmission gear in a sleeved mode, a detection assembly used for conducting waterproof detection on materials is arranged on the workbench, and the placement table is located on the upper surface of the transmission hinge; the detection assembly comprises a control panel, an alarm lamp and a detection box, the control panel is installed at the tail end of the workbench, the alarm lamp is installed on the upper surface of the control panel, and the detection box is installed on the workbench.

The utility model relates to the technical field of connectors, in particular to a waterproof connector which comprises a connecting seat assembly and a connector assembly, the connector assembly can be inserted into the connecting seat assembly, and the connecting seat assembly can be electrically connected with the connector assembly. The connecting seat assembly comprises a jack, a connecting seat insulator, a connecting seat shell, a large sealing ring and a small sealing ring, the large sealing ring and the small sealing ring are connected with the connecting seat shell, the connector assembly comprises an outer sleeve, an inner sleeve, a connector head cap, a shielding clamping ring, a wire clamp, a contact pin, a connector insulator and a cable sealing ring, and the contact pin can be inserted into the jack. And the cable sealing ring is placed between the two shielding clamping rings and the wire clamp. According to the utility model, the housing is made of a plastic material, and the internal material is all-metal, so that the problem that an all-plastic connector does not have EMC protection is solved, the problem of pressure-resistant safety regulation which cannot be solved by an all-metal connector is solved, and the waterproof problem of a product is solved through the cable sealing ring, the large sealing ring and the small sealing ring.

The application provides a rolling brush motor and a ground brush assembly. The rolling brush motor comprises a stator, a rotor shell and a fixed shaft led out from the stator and the rotor shell; the stator is fixed on the fixed shaft; the rotor shell is rotatably sleeved on the stator and is configured to drive the rolling brush of the cleaning device to rotate; a wire channel is arranged in the first end of the fixed shaft to lead the lead wire of the stator out of the rotor shell; and the material of the fixed shaft is engineering plastic. The fixed shaft is made of engineering plastic to form the wire channel in the fixed shaft, realize internal wiring, enhance waterproof reliability, reduce the entry of water vapor into the rotor shell from the assembly position of the bearing and the fixed shaft, stably assemble the uniform outer surface of the fixed shaft and the inner ring of the bearing to reduce shaking, and avoid the need for more installation fixing structures and space for additional wiring.

The utility model discloses a full waterproof structure of a square motor, which is characterized in that the full waterproof structure comprises an upper waterproof sleeve and a lower waterproof sleeve, the lower waterproof sleeve is sleeved on one end of the square motor, which is used for inserting a wiring terminal, and the upper waterproof sleeve is sleeved on one end of the square motor, which is provided with an output shaft; a shaft penetrating hole is formed in the top of the upper waterproof sleeve, and an output shaft of the square motor penetrates through the whole square motor and penetrates through the shaft penetrating hole. And the upper waterproof jacket and the lower waterproof jacket are embedded together by adopting a mutually staggered structure. According to the utility model, the square motor structure is fully wrapped by the upper waterproof sleeve and the lower waterproof sleeve, so that the waterproof capability is more excellent under the clamping of elastic force and friction force. The waterproof square motor can solve the waterproof problem of the square motor, has the advantages of simple structure and convenient installation, is convenient to produce, has few procedures, and greatly reduces the production cost.

The present invention relates to the field of building maintenance technology, in particular to a method for repairing bathroom leaks; including laying ground membranes in all aisles of the room; disinfecting and decontaminating the bathroom floor; repairing the leaks of toilets and / or squat toilets, and bathtubs; reconstructing the waterproof layer at the bottom of the caisson, and installing and treating the drainage system; the bathroom leak repair method of the present invention is a method for quickly repairing the leaks in the bathroom that has been put into use, transforming its drainage system, the waterproof process for reconstructing the bottom layer, the waterproof technology for reconstructing the mortar layer at the bottom of the tile, the waterproof layer for reconstructing the gap, the technology for repairing other leaks in the bathroom, and the construction process for permanent leakage prevention. Due to the different situations in the bathroom, it normally takes 4-8 hours to solve the problem of water accumulation in the bathroom, the source of the leak, the leaks in the bright and dark places, and it can be delivered to the owner for use immediately after completion. The surface effect is cleaner and more beautiful than before, the construction time is short, and it does not affect the normal use of the owner.

The utility model discloses a condensation sample collection multi-element dispersing device. Comprising a main shell, a water temperature control unit, a specimen shaking unit, a diluent filling unit and a control mainboard. Through a multi-element condensation set sample dispersion method integrating warm bath, shaking and warm bath diluent injection, the dispersion efficiency of the condensation set is greatly improved, and the dispersion time is saved; meanwhile, a swinging and rotating mode is adopted to replace a traditional centrifugal method, the structural design is simplified, the design cost is reduced, in addition, alternate magnetic pole ring spaced transmission is adopted, and the waterproof problem caused by dynamic sealing inside and outside the warm bath cavity is solved. Besides, the conduit passes through the warm bath chamber, so that before the condensation sample is loaded, the conduit diluent reaches the temperature in the warm bath chamber, the temperature-containing diluent is controlled to be injected at the beginning of starting of the device, direct contact heat transfer of the condensation sample can be realized in advance, the temperature rise speed in the condensation sample is further improved, and the dispersion efficiency is improved.

The utility model provides a waterproof structure between an underground structure and an accessory structure of a host room of a supergravity centrifuge, which is characterized in that a channel is arranged between an underground diaphragm wall and the accessory structure at the periphery in a communicated manner, and the underground diaphragm wall is connected with a wall body of the accessory structure; a lining wall body is arranged outside the underground diaphragm wall, a flanging wall body part wrapping the end of the opening side of the underground diaphragm wall is arranged on the lining wall body, a wall body protruding section is arranged between the side wall of the flanging wall body part and the underground diaphragm wall, and a water stop component is arranged between the side wall of the flanging wall body part and the accessory structure wall body. According to the utility model, effective separation between different structural bodies is realized; weak waterproof parts are treated, so that the waterproof problem caused by the time sequence of concrete pouring construction is solved; the waterproof problem of the connecting part of the underground structure is solved, and a good operation environment is provided for the super-gravity centrifugal machine chamber.

The invention relates to the technical field of household beauty and skincare electronic equipment, and discloses a waterproof beauty device modularization system based on magnetic attraction connection and anti-skid design. Comprising a main body shell, a battery arranged in the main body shell, a mainboard PCB and a contact head assembly located at the front end of the main body shell, and the main body shell comprises a main body upper shell and a main body lower shell; the main body lower shell, the head lining plate, the head lower shell and the main body upper shell define a closed cavity to accommodate a battery and a mainboard PCB, and the main body lower shell, the head lining plate, the head lower shell and the main body upper shell are assembled by adopting a buckle structure; a magnetic attraction alignment structure is adopted between the front end of the main body shell and the contact head assembly; the surface of the main body shell is provided with silica gel anti-skid textures, and a conductive shielding layer is embedded into the silica gel anti-skid textures; the contact head assembly is rotatably arranged relative to the main body shell, the contact head assembly adopts a modular design, and the contact head assembly adopting the modular design comprises illumination heads with different wavelengths and customized electrode tips.