233results about How to "Avoid water leaks" patented technology

The invention relates to the technical field of pipe gallery layouts and discloses an integrated pipe gallery. The pipe gallery includes a drainage cabin arranged under the ground, the drainage cabin includes an inspection layer and a drainage layer, the inspection layer is arranged above the drainage layer and allows an inspector to walk through, an inspection well is formed in the bottom surface of the inspection layer and used for inspecting drainage of the drainage layer, and an opening is formed in the side wall of the inspection layer and allows the inspector to enter or get out of the drainage cabin. The introduction of a drainage system in the integrated pipe gallery promotes the construction of city underground integrated pipe gallery; at the same time, the inspection layer and the drainage layer of the drainage cabin are both arranged under the ground, the upper space of the drainage layer of the drainage cabin is rationally used, the inspection well is not needed to be arranged in the ground, the water leakage situation caused by penetrating of the inspection well through a pipe gallery structure is avoided, and the waterproofness of the integrated pipe gallery is improved; at the same time, the inspection layer is arranged under the ground, and thus the situation that staff cause adverse effects on the ground traffic in inspection operation is avoided.

The invention discloses a multi-functional trolley for subway station construction. The multi-functional trolley comprises a trolley main frame (1), a top form (2), side forms (3) and a trolley base (5); the trolley base (5) is located below the trolley main frame (1) and fixedly connected with the bottom of a column (11); the side forms (3) are located on the bilateral sides of the trolley main frame (1) respectively and fixedly connected with the column (11); each side form (3) is fixedly connected with the column (11) through at least two rows of side form oil cylinders (4); each end of the top form (2) is provided with a hinged rotating shaft (6) which is connected with an axillary angle formwork (7). According to the multi-functional trolley for the subway station construction, the construction is performed through the steel form trolley and accordingly side wall concrete and roof concrete can be poured simultaneously and accordingly the construction efficiency is improved, the construction quality of a station structure is improved, the construction safety risk is reduced, the working intensity of workers is reduced, and the safe, high quality, efficient and harmonious construction purpose is achieved.

The invention provides a water distribution and collection device which comprises a water distributor, a water collector and a supporting structure, wherein a water-collection main pipe of the water collector is provided with a plurality of water-collection joints and flow regulating valves which are in one-to-one correspondence with the water collection joints; the flow regulating valves comprise regulating valve cores and regulating caps above the regulating valve cores; the regulating valve cores comprise valve core screw caps fixedly arranged on the water-collection main pipe and regulating bases fixedly arranged above the valve core screw caps; the outer walls of the regulating bases are provided with external thread parts spacing bosses which has certain distance with the upper parts of the external thread parts; the inner walls of the regulating caps are provided with internal thread parts and spacing clamping platforms above the internal thread parts; the regulating caps are upward rotated until the internal thread parts are separated from the external thread parts, the spacing clamp platforms can not continuously move upward as being clamped by the spacing bosses, so that the internal thread parts of the regulating caps can rotate freely at smooth intervals between the external thread parts and spacing bosses of the regulating bases, so that the condition that the regulating caps and the regulating bases are locked can be prevented, the reliability of the water distribution and collection device is improved, and the operation comfort of a user is enhanced.

The invention discloses a processing method of a hot forming conformal waterway mould. The method comprises the steps that 1, a base body of a hot forming conformal waterway mould is cast by adoptinga casting technology, and the surface of the base body is subjected to finish machining to form a supporting surface corresponding to a molded surface of the mould; 2, a cooling insert with a conformal waterway is printed on the supporting surface of the base body by adopting 3D printing equipment; 3, finish machining is carried out on the printed cooling insert. The hot forming conformal waterwaymould is integrally formed by the base body and the cooling insert, and inserts do not need to be spliced. The conformal waterway is formed in the cooling insert, so that water leakage is avoided. The molded surface of the mould is free of splicing seams, so that the quality of the molded surface of the mould is high. In the method, only the cooling insert is formed through the 3D printing technology so that the consumption of printing materials can be greatly reduced, 3D printing time is shortened, and the production efficiency is improved. Meanwhile, the method has the advantages of being high in cooling efficiency and good in molded surface temperature uniformity.

The invention provides an ultrathin overall kitchen air conditioner. The ultrathin overall kitchen air conditioner comprises a shell; the internal of the shell is divided into an evaporation side anda condensation side; a horizontal compressor, a condenser and a direct-current condensation centrifugal fan are mounted on the condensation side; an evaporator, an alternating-current evaporation centrifugal fan and a direct-current power supply are mounted on the evaporation side; the evaporator is connected with the horizontal compressor through an air return pipe; the alternating-current evaporation centrifugal fan is connected with the evaporator; the direct-current power supply is connected with a direct-current condensation centrifugal fan; a water storage box is mounted at the lower part of the evaporator; a drainage pump is arranged in the water storage box; first and second triggers are arranged in the water storage box; the first trigger is lower than a liquid level of the secondtrigger; when a water level of the water storage box exceeds the first trigger, the drainage pump is started for drainage; and when the water level exceeds the second trigger, the compressor is stopped operating, and an alarm prompt is displayed on a controller. The overall kitchen air conditioner is compact in internal structure, can reach the total thickness of below 200 mm, and meanwhile, caneffectively prevent the internal water leakage condition.

The metal roof snow removal system described in the present invention can effectively remove the snow accumulated on the area near the cornice, reduce the damage of the snow to the metal roof, and avoid the occurrence of water leakage. The present invention has a simple structure, can be industrialized, and is practical powerful.

An active touch control pen comprises a touch-press element and a pressure sensing module; one end of the touch-press element is arranged at the nib of the active touch control pen and is used for receiving external pressure; the pressure sensing module is connected with the touch-press element and is used for generating oscillating signals; when the touch-press element receives external pressureand the external pressure is less than a first threshold value, the oscillating signal oscillates at a first frequency; when the touch-press element receives external pressure and the external pressure reaches to the first threshold value, the oscillating frequency of the oscillating signal is adjusted into a second frequency; the difference between the first frequency and the second frequency isgreater than the second threshold. According to the active touch control pen provided in the invention, by setting the threshold value of the external pressure, the active touch control pen can generate oscillating signals at first frequency and the second frequency which are different from each other according to that whether the external pressure reaches to the threshold value; therefore, the active touch control pen can avoid false point-report or water leakage caused by the active touch control pen due to noise disturbance of the external environment.

The invention discloses a water level alarm device for a bathtub. The device comprises a transparent casing, wherein a hook is placed on the upper end of the transparent casing, the lower end of the hook is fixed with a first foam block, a buzzer is installed in the middle of the first foam block, a hard wire connected in series with the buzzer penetrates through the lower end of the first foam block, the lower end of the first foam block is fixedly connected to the second foam block by a thin wire, the upper end of the second foam block is bonded and connected with a mosquito-repellent copperwire by a double-sided tape, the front end of the transparent casing is provided with a scale line, the left side of the transparent casing is provided with a bathtub, the buckle fixed at the left end of the transparent casing is clamped with the buckle fixed at the right end of the bathtub, and the inner wall of the socket opened at the right end of the bathtub is fixed with a sealing rubber strip. By setting the buzzer, the mosquito-repellent copper wire, the sealing rubber strip and the buckle, the water level alarm device for a bathtub solves the problems of complicated structure, expensive cost, bad effect, difficult installation and disassembly, and too large gap and easy water leakage after the installation.

The invention discloses a bathing pebble cleaning device with intermittent feeding and combined with double-axis washing, and relates to the technical field of pebbles. The bathing pebble cleaning device with intermittent feeding and combined with double-axis washing includes a machine body, a feeding hopper is mounted at the top of the machine body in a sleeving mode, and the top of the inner left wall of the feeding hopper is fixedly connected to the left side of a guiding plate; and the right side of the guiding plate is tilted relative to the inner bottom of the feeding hopper, a partitionplate is arranged below the feeding hopper, discharging openings are formed in the inner bottom of the feeding hopper and the top of the partition plate, and the two discharging openings penetrate through the inner and outer sides of the bottom of the feeding hopper and the upper and lower sides of the partition plate. According to the bathing pebble cleaning device with intermittent feeding andcombined with double-axis washing, cleaning cotton are driven to brush the pebbles through a double-axis linkage mechanism, the pebbles are rinsed through water tanks, water pumps, water guiding pipes, water spraying pips and nozzles, and the problem that a lot of time and manpower are consumed due to the manual washing of the pebbles in a bath is solved.

A structure-improved house skylight comprises a skylight frame and a window sash device which are embedded in a roof. The window sash device comprises a movable outer window sash arranged in an inner frame of the skylight frame in an overturning up and down mode and an inner window sash. The movable outer window sash comprises an outer frame and lower glass arranged at the lower end of the inner side wall of the outer frame. The inner window sash comprises an inner frame and upper glass arranged at the upper end of the inner side wall of the inner frame, wherein the outer side wall of the inner frame is in interference fit with the outer frame. A plurality of LED lamps are embedded in the upper glass, and a water containing space is formed between the upper glass and the lower glass. The skylight has the function of illumination, and the practical value of the skylight is improved; when the LED lamps illuminate on the ground, the ripple effect is achieved, and the attractiveness of lamplight is improved; and splitting can be conducted, so that maintenance cost is saved.

The invention relates to the technical field of railway vehicles, and discloses a railway vehicle air conditioner flat top structure and a railway vehicle. The railway vehicle air conditioner flat topstructure comprises: a first end top plate structure, a first top plate, a second end top plate structure and a second top plate, wherein the first end top plate structure, the first top plate, the second end top plate structure and the second top plate are welded end to end to form a frame structure, each of the first end top plate structure and the second end top plate structure comprises an end top plate and an end top cross beam integrally connected with the end top plate, the middle area of the bottom wall of the end top cross beam is higher than the areas on the two sides, and the two sides of the end top cross beam are connected with the first top plate and the second top plate on the corresponding sides; and drainage grooves formed in the lower surface of the first top plate and the lower surface of the second top plate respectively, wherein through holes communicated with the drainage grooves in the corresponding sides are formed in the first top plate and the second top plate. The railway vehicle air conditioner flat top structure has the advantage of being free of water storage and water leakage.

The invention belongs to the technical field of closed water connection, and particularly relates to an FRD double-sealed immediate detection closed water socket-and-spigot joint. The problems that inthe prior art, a spigot and a socket possibly make contact with each other and are sealed, the positions which make contact with each other and are sealed are prone to causing connectivity of the interior of a annular space to be interrupted, accordingly, sealing performance detection of a double-sealed socket-and-spigot joint is uncompleted are solved. According to the technical scheme, the FRDdouble-sealed immediate detection closed water socket-and-spigot joint comprises a spigot and a socket, the spigot is a joint part of an inserting-in end, and the socket is a joint part of a socket end; the outer wall of the spigot is provided with an annular pressure test groove, the two sides of the pressure test groove are provided with annular sealing ring installation grooves correspondingly,and sealing rings are installed in the sealing ring installation grooves; and the socket is provided with pressure test holes which correspond to the pressure test grooves. In addition, baffles are arranged in the pressure test grooves. The FRD double-sealed immediate detection closed water socket-and-spigot joint is suitable for connection of drainage pipelines.

The invention belongs to the technical field of drainage pipes, and specifically relates to a polyolefin drainage pipe with FRD double seal for instant detection of a closed water bell and socket joint. The polyolefin drainage pipe aims at the problem that in the prior art, a socket and a bellmouth may be contacted and sealed, and the contacted and sealed parts may lead to the interruption of theinternal connectivity of an annulus, and then the incomplete detection of the sealing inspection of the double-sealed bell and socket joint may exist. According to the technical scheme, the polyolefindrainage pipe comprises a pipeline, two ends of the pipeline are separately provided with the socket and the bellmouth through an integral forming mode, an annular pressure test groove is arranged onthe outer wall of the socket, and annular sealing ring installation grooves are arranged on both sides of the pressure test groove; and a pressure test hole is formed in the bellmouth, the distance between the pressure test hole and a bellmouth opening is equal to the distance between the middle of the pressure test groove and a socket opening, and in addition, a baffle can be arranged in the pressure test groove. The polyolefin drainage pipe with the FRD double seal for instant detection of the closed water bell and socket joint is applicable to the connection of the drainage pipeline.

The invention discloses a multifunctional protection ball valve for a washing machine. The multifunctional protection ball valve comprises a valve body (1), a ball valve core (2), a valve rod (21), a knob (22), a check core (3), a filter net (4), a pressure relief ball (5) and a plug cover (6). The device formed by components is adopted, the valve body is a copper casing in a four-way shape, a water inlet, a valve core chamber and a net cavity chamber are arranged in the valve body from the left side to the right side, a valve rod seat is arranged on the valve core cavity, a water outlet is formed under the net cavity chamber, the ball valve core is positioned in the valve core chamber, the valve rod is positioned in the valve rod seat, the ball valve core is connected with the knob positioned outside the valve body through the valve rod, the check core is arranged in the water inlet, the tubular filter net is arranged in the net cavity chamber, a pressure relief ball is positioned at the right side of the filter net, and the plug cover is sealed and plugged at the right end of the net cavity chamber. Through the technical scheme, the washing machine can be connected with a tap water pipeline, and the goals of leaking water flushing disengagement avoidance, easy sand plugging clearing, reverse flowing hidden danger elimination and water hammer danger relief can be reached.

The invention provides an electric heating water cup which comprises a cup cover (1) and a cup body (2). The cup cover (1) comprises a lower cover assembly (11) and an upper cover assembly (12). A first hole (111) and a second hole (112) are formed in the lower cover assembly (11). The upper cover assembly (12) comprises a first upper cover (121) for opening or closing the first hole (111) and a second upper cover (121) for opening or closing the second hole (111). The first upper cover (121) and the second upper cover (122) are rotatably connected with the lower cover assembly (11) through the same rotating shaft (13). The rotation range of the second upper cover (122) is between the first upper cover (121) and the lower cover assembly (11). When heating water, the first cover is opened to expose the first hole so that steam is discharged from the first hole to ensure the heating safety and heating efficiency; when drinking water, the second cover is opened to expose the second hole so that the water flows out of the second hole. The electric heating water cup is easy to use.

The invention discloses an automatic sewage classification treatment device. The device comprises a support plate, the top of the support plate is orderly and fixedly connected to a pretreatment box,a slide rail, a box body and a first motor box from left to right. The top of one side of the box body is communicated with a taking box and one side of the taking box is communicated with a communication pipe. A supporting vertical rod and a first water collecting tank are orderly and fixedly connected between the inner walls of the box body from top to bottom. The device relates to the field ofsewage treatment. Through the pretreatment box, the box body, the taking box, a wheel rotating box and a discharge box, the sewage is classified and is thoroughly purified. Through a first filter net,a second filter net, a first inclined screen plate and a second inclined screen plate, the dirt in the sewage is completely filtered and the solids and liquid in the sewage are completely separated.The device solves the problem that the existing sewage purification device is too simple and easily causes incomplete sewage purification.

The invention belongs to the field of connecting pieces for cleaning tools and specifically discloses a quick-installation connector for a brush head of a vehicle-mounted cleaning system. The quick-installation connector comprises a connection pipe. One segment of the connection pipe is a connection segment connected with the brush head. The other segment of the connection pipe is a thread segment connected with a water pipe. The connection segment is provided with a plurality of slide grooves. The slide grooves are communicated with inner holes of the connection pipe. Insertion blocks and pressing blocks are arranged in the slide grooves. Elastic parts are arranged between the insertion blocks and the pressing blocks. The outer wall of the connection pipe is provided with a lantern ring in slide connection with the connection pipe. The inner wall of the connection segment is provided with a seal ring. The outer wall of the connection pipe is provided with a limiting block. The lantern ring is provided with a slide groove matched with the limiting block. The connector has the characteristic that the brush head is installed rapidly.

The invention relates to the technical field of sludge concentration. The invention discloses a novel sludge concentration tank comprising a concentration tank and a sludge discharge groove, the sludge discharge groove is connected to the middle of the lower portion of the concentration tank and communicates with the interior of the concentration tank, a drainage mechanism and a sedimentation mechanism are arranged inside and outside the concentration tank, and the drainage mechanism comprises a through opening, a drainage groove, an electric-hydraulic push rod, a drainage pipe, a baffle, an abutting block, a clamping block and a sliding groove; the drainage groove is formed in the surface of the outer wall above the right side of the concentration tank, and the through hole is formed in apart, on the left side of the drainage groove, of the outer wall of the concentration tank. The drainage groove is formed in the outer surface of the upper right side of the concentration tank and communicates with the interior of the concentration tank; the baffle is vertically and slidably fixed in the sliding groove formed in the drainage groove, when the electric-hydraulic push rod pushes thebaffle to move up and down, the height above the baffle can be adjusted, the drainage height can be adjusted according to different amounts of sludge, and the situation that the sludge is dischargedor the water content of the sludge is large is avoided.

The invention relates to a flocculation washing machine. The flocculation washing machine comprises a shell, and an outer barrel (3) and a flocculation treatment device are arranged in the shell (1). A first upper cover (5) corresponding to the outer barrel (3) and a second upper cover (6) corresponding to the flocculation treatment device are arranged on the upper portion of the shell (1). The two independent upper covers corresponding to the outer barrel and the flocculation treatment device respectively are disposed on the upper portion of the shell of the washing machine, so that the flocculation treatment device and an existing washing machine structure are installed in the same shell of the washing machine at the same time, and a user can conduct washing and flocculation separately or simultaneously. Meanwhile, the washing machine is remarkable in water-saving effect, simple in structure and suitable for application and popularization.