69results about How to "Solve the problem of water ingress" patented technology

The invention discloses a blockage preventing device for a shotcrete pumping pipe. The blockage preventing device comprises an inner pipe, an outer pipe and self-oscillating rings, wherein the outer pipe is formed by connecting at least two unit pipes by connecting components, and a splicing length is free and flexible; one self-oscillating ring is arranged inside each unit pipe, so that the dominant function of oscillating blockage prevention is realized; the self-oscillating rings are arranged on the outer wall of the inner pipe in a sleeving way and the number of the self-oscillating rings is at least two, so that the oscillating efficiency is guaranteed; a pipe body of the outer pipe is made of polyurethane rubber (PUR), so that various outside contact conditions and oscillating reduction requirements are met; the inner pipe and the connecting components are made of polybutylene (PB), so that concrete is efficiently conveyed; by using all the functions of three parts, the concrete is efficiently conveyed, the problem of pipe blockage in the shooting process is better solved, and the working efficiency of the shotcreting is improved; meanwhile, the occurrence of pipe explosion accidents is avoided, and the safety of working is guaranteed.

The invention discloses high-turbidity sewage filtration equipment, which comprises a cylinder. The lower end of the cylinder is provided with a supporting board; a water generation chamber is formed between a cylinder base and the supporting board and provided with a water outlet; a water inlet is formed on the cylinder; a plurality of hollow filter elements are arranged on the supporting board; the supporting board is provided with water discharge holes through which hollow parts of the filter elements are communicated with the water generation chamber; a hollow filter element supporting tube is arranged in each filter element; the side of the filter element supporting tube is provided with a plurality of permeable holes of the filter element; and a filter element cap is arranged on each filter element. The high-turbidity sewage filtration equipment has the advantage that: when a large number of suspended substances are attached to the surface of each filter element and the filter capacity of the filter elements is weakened or lost, the filter element supporting tubes can prevent the filter elements can be prevented from being deformed or burst caused by high inside and outside pressure difference.

The invention relates to a skimming boat with a boat body provided with a march-past lifting board device, comprising a boat body. The middle-front parts of the port and the starboard of the boat bottom are provided with symmetrical wedge boards; and the boat tail is provided with a tail lifting board. The skimming boat is characterized in that the front end of the wedge board is connected with the bottom surface of the boat bottom; the board surface of the wedge board inclines backward to form an inclined angle with the bottom surface of the boat bottom; the wedge board extends to 6/10 to 3/10 of the width position of the bottom surface of the boat bottom from the side of the boat toward the middle line of the boat bottom; and the front end of the wedge board inclines backward from the side edge of the boat toward the middle part so as to form the march-past lifting board. The skimming boat reduces the running resistance, solves the problem that the negative pressure generated at themiddle part of the boat bottom influences the water inflowing of the door at the sea bottom and leads the running speed to be effectively improved; the skimming boat adopts an adjustable march-past lifting board and the tail lifting board, and adjusts the angle of the lifting board according to the difference of the sea condition and the running speed so as to lead the lifting force to reach minimum resistance when the running is stable; and when in turning, the skimming boat realizes coordinative inward inclination turning by means of leftward and rightward differential motion of the march-past lifting board and has minimum turning diameter.

The invention provides a looper roll bearing block preventing water from entering a bearing block cavity. The looper roll bearing block comprises a bearing block body. A bearing bush is fixedly arranged on the inner side wall of the bearing block body. The bearing bush is internally and rotationally connected with a shaft head of a looper roll through a bearing. The bearing bush is in clearance fit with the bearing. The end portion of the end, close to the looper roll, of the bearing is provided with a water blocking sleeve. The water blocking sleeve is arranged on the outer side of the shaft head in a sleeving manner. A second annular protrusion is arranged on the inner side wall of the bearing bush. A first annular protrusion is arranged on the outer side wall of the water blocking sleeve. The end portion of the end, close to the looper roll, of the bearing bush is fixedly provided with an annular gland. An annular gap is formed between the gland and the water blocking sleeve. A water outlet is formed in the lower portion of the gland so that the annular gap can communicate with the outside through the water outlet. An end cover is arranged at the end, away from the looper roll, of the bearing block body. An oil inlet is formed in the center of the end cover. A spacer bush is arranged between the end cover and the bearing. According to the looper roll bearing block preventing water from entering the bearing block cavity, due to the improvement on an assembly structure of the looper roll, the problem that water enters the assembly bearing block cavity can be solved.

The invention relates to an LED electronic display screen circuit board waterproof method and a display module. The display module comprises a bottom case, a face shield and an LED circuit board, the LED circuit board is installed on the front surface of the bottom case, and waterproof glue is poured into the front surface of the LED circuit board. In order to prevent rainwater from entering the back side of the bottom case, the inner side of a framework of the bottom case is provided with a base plate, positions, of the base plate, corresponding to the a signal port and a power supply port of the LED circuit board are provided with a first pass-through opening and a second pass-through opening, when the LED circuit board is installed on the bottom case, the signal port and the power supply port pass through the pass-through openings, and waterproof glue is poured into the periphery of the signal port and the power supply port, thus, the back side of the display module is waterproof, in order to ensure that a driving integrated circuit on the LED circuit board maintains a good heat dissipation effect, the position, of the base plate, corresponding to the driving integrated circuit on the LED circuit board is provided with a heat dissipation block, and the driving integrated circuit on the LED circuit board clings to the inner surface of the heat dissipation block. Compared with the existing products, the display module is advantaged in that a waterproof aim is reached, and the heat dissipation problem is solved.

The invention provides a sewage filtering device which comprises a barrel body, wherein a support plate is arranged on the lower end of the barrel body, a water generating chamber is formed between a base of the barrel body and the support plate, a water outlet is formed in the water producing chamber, a water inlet is formed in the barrel body, a plurality of hollow filtering elements are arranged on the support plate, and drain holes for communicating the hollow filtering elements with the water generating chamber are formed in the support plate. The filtering device also comprises a filtering cover, an annular support member is arranged on the inner wall of the barrel body below the water inlet, and the filtering cover is arranged on the annular support member. The sewage filtering device is also capable of carrying out secondary filtering, and has a relatively good effect for sewage treatment; and meanwhile, the filtering cover is movably connected with the barrel body, so that the filtering cover can be lifted for being cleaned at any time thus being simple and convenient.

The invention provides a drum washing machine and a control method thereof. The drum washing machine comprises an inner drum and a water inlet pipe, wherein the inner drum is a nonporous inner drum and used for holding washing water when clothes are washed. The drum washing machine is characterized by also comprising a water metering device used for metering a water inflow; the water inlet pipe communicates with the water metering device; and the water metering device communicates with the inner drum. The invention provides the drum washing machine with the nonporous inner drum and of a frontopen type structure, the drum washing machine is simple in structure, a space between the inner drum and an outer drum does not need to be filled with washing water/rinsing water and thus the washingwater consumption of the drum washing machine is greatly reduced. According to the drum washing machine provided by the invention, due to the arrangement of the water metering device, before enteringthe inner drum, water firstly enters the water metering device for quantifying, and the number of water metering times of the water metering device is determined according to a set water level, so that the problem of water feeding of the drum washing machine with the nonporous inner drum according to the water level is solved, the washing effect is ensured, and the machine is simple in structure and convenient to control.

The invention discloses a washing machine inflow judging method and a washing machine applying the method. The method comprises the following steps of: presetting a standard slope value Kb(i) of a water level changing curve which varies along with inflow time in a washing machine computer program controller, starting inflow, and starting detection of a water level value; continuously acquiring the water level value in a set time range, processing according to the least square method to form a water level variation line, thus a slop value Ki of a water level changing line is obtained; and judging inflow condition by comparing the slope value Ki of the water level changing curve with the standard slope value Kb(i) and sending a message. By adopting the technical scheme, the washing machine can detect abnormal condition at any time in an inflow process, an alarm can be given timely, a user can be guaranteed to timely solve the inflow problem, and washing can be guaranteed to be carried out smoothly.

The invention discloses a connector device for arrangement-type pre-buried cable conduits capable of being randomly combined. The connector device is characterized in that the connector device is formed by combining at least one connector unit, each connector unit comprises a cable conduit connector (1), a rubber pad (2) and a cover plate (3), a rubber pad placing groove is arranged on the cable conduit connector (1), the rubber pad (2) is arranged in the rubber pad placing groove, the height of the rubber pad (2) is higher than the height of the rubber pad placing groove by 0.5 millimeter, the rubber pad (2) is arranged between the cable conduit connector (1) and the cover plate (3), the cable conduit connector (1) and the cover plate (3) are connected via bolt, and the upper edge and the lower edge of the cable conduit connector (1) are provided with a groove (1-1) and a bulge (1-2) which are matched with each other. The connector device has the advantages of safety, reliability, firmness, durability, difficulty in deformation, high applicability and long service lifetime, has effects of water and moisture resistance, and is not needed to maintain, and the resources are saved.

The invention discloses a cylinder fitting of a single cylinder diesel, which comprises a cylinder body, a cylinder sleeve arranged in the cylinder body and a cylinder head fixed on the end surface of the cylinder body. A sealing gasket is arranged between the cylinder body and the cylinder head and comprises an outer ring and an inner ring which are flush with each other towards one surface of the cylinder head; the thickness of the inner ring is greater than that of the outer ring; a portion of the inner ring protruding from the outer ring is embedded into a groove formed between the end surface of the cylinder sleeve and the end surface of the cylinder body; and the outer ring is attached on the end surface of the cylinder body. The invention solves the problem of the phenomenon of cylinder head gasket damage easily occurring during the use of the traditional cylinder fitting, improves the whole sealing performance, breaks through the situation of the use of mineral graphite in a large area of the traditional graphite cylinder gasket, reduces the application amount of graphite, maximizes the utilization value of materials and reduces the cost.

The invention provides a wall-mounted air conditioner. The wall-mounted air conditioner comprises a shell, wherein the shell is provided with a back side and an upper surface, the back side is arranged towards a wall and is provided with a first air inlet, and the upper surface is provided with a second air inlet. A heat exchanger is located in the shell and comprises a first heat-exchange sectionand a second heat-exchange section, wherein the first air inlet corresponds to the first heat-exchange section, the first heat-exchange section is located between the second heat-exchange section andthe first air inlet, and the first heat-exchange section is longer than the second heat-exchange section. According to the wall-mounted air conditioner, air enters the wall-mounted air conditioner from the back and the top, so that a larger air inlet area is provided; the windward area of the heat exchanger is enlarged, so that the heat exchange efficiency of the heat exchanger is improved; and by adoption of the back air inlet mode, the air stroke in the shell can be shortened, the portion, away from the air inlets, of the heat exchanger can also sufficiently make contact with air to achievegood heat exchange, and the energy efficiency of the wall-mounted air conditioner is improved.

The invention discloses a side plate assembly applied to a housing of an electric appliance. The side plate assembly comprises a side plate, and a wiring bracket which is connected to the side plate, wherein the wiring bracket comprises a main board for mounting a wiring circuit; the main board downwards extends from a part where the main board is connected to the upper end of the side plate; the main board is far away from the side plate and bulged toward the inner part of the housing; a downward opening is formed between the main board and the side plate. According to the side plate assembly, the opening of the wiring bracket is downwards formed, so that the problem that water enters the wiring bracket can be effectively prevented. The invention provides the electric appliance provided with the side plate assembly.

The invention discloses a sewage concentration device, which comprises a sewage pretreatment device, a sewage drainage device and a sewage concentration drainage device. The sewage pretreatment device comprises a special filter material layer; the sewage drainage device comprises a pressure valve, when water flow is low, the pressure valve is automatically opened so that sewage is drained, and when the water flow is high, the pressure valve is closed automatically; and the sewage concentration drainage device comprises a membrane, a water gathering tank, a clear water drainage tube and a concentrated sewage drainage tube. When sewage flow is high, the sewage can be concentrated, so that the flow of the sewage entering a sewage plant is low, treated sewage load is reduced, and simultaneously, pressure of a pipe network is reduced. The sewage is concentrated and filtered to form clear water, and the clear water is drained to a downstream river way.

The invention relates to a mechanism case cover tightening lock for substation equipment. The mechanism case cover tightening lock is composed of a lock body and a lock hook, and is characterized in that the lock body is formed by connection of a base, a pull plate and a pull arm component, the pull plate is hinged to the base through a hinge shaft, and the pull arm component is hinged to the pull plate through a hinge shaft; the pull arm component is composed of two fixed pull arms hinged to two ends of the pull plate and two movable pull arms respectively sleeving the fixed pull arms through two springs, and a lock bar is connected to ends of the movable pull arms. A mechanism case cover can be fixed on a fixed plate through a hinged connection structure and effect of the springs, sealing performance of the mechanism case cover is enhanced, and the problem about water inflowing of a mechanism case is solved. The mechanism case cover tightening lock is simple in structure, convenient to mount and use and high in universality.

The invention discloses a coupler with a waterproof function. The coupler comprises a plug and a socket, the plug is provided with a pin and a driving rod, the socket is provided with a plugging port, a waterproof component, a driving hole and a driving sliding block, when the plug is not plugged into the socket, the waterproof component shields the plugging port, and only when the plug is plugged into the socket, the driving rod penetrates through the driving hole to abut against the driving sliding block, the driving slide block drives the waterproof component to remove the shielding of the plugging port through the guide structure. By adopting the technical scheme, the structural arrangement of an original waterproof rubber mat is canceled, the problem that water enters the socket due to aging and cracking of the waterproof rubber mat is avoided, and according to the transmission fit among the driving rod, the driving sliding block and the waterproof component, it is ensured to open the plugging port when the plug is plugged into the socket and close the plugging port when the plug is separated from the socket, so that the waterproof component with the design does not influence the normal insertion of the pin and can prevent external moisture from flowing into the socket, and the safety and reliability of the coupler in outdoor use are improved.