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

The invention discloses a waterproof shell for a camera. The waterproof shell comprises a front shell for accommodating the camera and a rear cover which is hinged with the front shell, wherein the front shell is fixedly connected with the rear cover through a buckling structure; an annular waterproof groove for accommodating a first sealing ring is formed on an end surface of the side wall of the front shell along the circumference of the end surface, and is matched with a pressing strip which is arranged at a position opposite to the rear cover to clamp the first sealing ring; and at least one tenon is arranged on the end surface and is matched with a tenon groove which is formed at a position opposite to the rear cover. According to the waterproof shell for the camera, the first sealing ring is accommodated in the waterproof groove on the front shell, so that a good waterproof effect can be achieved in coordination with the extrusion of the pressing strip; and in addition, the first sealing ring can be prevented from being directly extruded and impacted by water, so that the first sealing ring has long service life. When the front shell is buckled with the rear cover, the tenon is inserted into the tenon groove, so that a buckling position of the front shell corresponds to a buckling position of the rear cover completely, and the phenomenon of water leakage caused by mismatched buckling is prevented.

The invention discloses a portable hydrogen-rich water cup which comprises a cup body, a cup cover and a water microelectrolysis hydrogen generating device. The cup body and the cup cover are fixedly connected through an internal thread and an external thread. The water microelectrolysis hydrogen generating device is located at the lower end of the cup body and fixedly connected with the cup body, and comprises an electrolysis module, an electrolysis control device, a power supply battery and a wireless charging device. The electrolysis module, the electrolysis control device and the power supply battery are sequentially and electrically connected and are sequentially and fixedly connected. The power supply battery is connected with the wireless charging device through wireless electromagnetic waves. The water cup has the advantages that by matching a wireless charging receiving module arranged in the water microelectrolysis hydrogen generating device with a wireless charging transmitting module arranged in the wireless charging device, the battery is charged, a redundant power line used during power line connection charging is omitted, the charging device is easy to carry, and use is rapid and convenient.

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 discloses a hydrogen-rich water cup which comprises a cup body, a cup lid and a water micro-electrolysis hydrogen generating device, wherein the cup body is fixedly connected with the cup lid through an internal thread and an external thread; the water micro-electrolysis hydrogen generating device is arranged at and fixedly connected with the lower end of the cup body, and comprises an electrolysis module, an electrolysis control device, a power supply device and a wireless charging device; the electrolysis module, the electrolysis control device and the power supply device are electrically and fixedly connected in sequence; the power supply device and the wireless charging device are connected through radio electromagnetic waves; an activated carbon layer is fixedly connected to the interior of the electrolysis module. The hydrogen-rich water cup has the advantages that a wireless charging receiving module arranged in the water micro-electrolysis hydrogen generating device and a wireless charging emitting module in the wireless charging device work together to charge a battery, the use is convenient and practical, and the waterproof performance is high.

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 invention discloses a waterproof construction method for a building roof. The waterproof construction method comprises the following steps that firstly, on-site inspection of a leakage part of theroof is carried out, the leakage part is determined, the reason is ascertained, and the repairing processes are determined, wherein the specific steps include that firstly, multiple water separatingtrenches are dug in the roof to prevent water flowing in a roof insulation layer; the two sides of each water separating trench are plugged with a leakage stoppage material, macromolecule waterproof rolled materials are pasted, and therefore waterproof layers are made; and backfill of insulating layers of the water separating trenches is carried out, and when filling is carried out to be about 4 cm away from a leveling layer, inorganic aluminum salt water-proofing agent doped cement mortar is used as the leveling layer. By means of the waterproof construction method for the building roof, thetrenches are dug in the roof, the trenches are filled with a waterproof material, therefore rainwater is difficult to permeate to other places through an insulation layer box, and occurrence of waterleakage at multiple places is avoided; and the leveling layer is provided with separation seams and is filled with a sealing material, so that the rainwater is difficult to diffuse in the leveling layer, the rainwater diffusion area is limited, and control over permeation of the rainwater is facilitated.

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.

The invention relates to a leak-protection device, particularly relates to a device which is capable of cutting off the water when leakage of water is detected to prevent leakage. The device comprises a water impellor, a pipeline component, a blockader and a reducer. The water impeller is arranged in the No. 1 cavity of the pipeline component; the gear on the water impeller mates with the primary speed changing gear in the reducer; the blockader is arranged in the No. 2 cavity of the pipeline component; and the device installed in series near a water flowmeter or on the main pipe in the house. The value of water flow which continuously passes through the device every time is taken as the standard of water leakage to control the automatic cutting-off. The invention settles the problem that water leakage can not be detected in time and the water can not be cut off automatically to prevent leakage; besides, the device has a pure mechanical structure.

The invention discloses a drinking water heating device with a separation water tank. The drinking water heating device comprises a seat body and a separation water tank of the seat body, wherein a water outlet nozzle, an instant heating pipeline heater, a balance water tank and a water pump are arranged on the seat body, a water inlet and a backflow opening are arranged on the balance water tank, and the water inlet is connected with the water pump. The drinking water heating device is characterized in that a pumping opening of the water pump is communicated with a pumping pipeline, and the other end of the pumping pipeline is inserted into the separation water tank through the upper part of the separation water tank. The drinking water heating device has the advantages that the defect that the adoption of a check valve is needed in the prior art because the pumping pipeline is inserted into the separation water tank from the bottom is overcome through inserting the water pumping pipeline from the upper part of the separation water tank, the adoption of the check valve is avoided, the cost is reduced, the defect of water leakage when the separation water tank is taken out for water addition can also be avoided, in addition, the whole structure is simple, and the use is convenient.

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 relates to the technical field of valves, in particular to a portable sewage draining valve for a dining hall. The portable sewage draining valve comprises a valve body, a connecting structure, a sealing structure, an adjusting structure, a treading structure and a filtering structure; and the connecting structure is arranged, the valve body can be quickly connected and fixed with sewers at bottom ends of vegetable washing tanks with different diameters, the sealing structure is arranged, the tightness between the valve body and a sewer can be realized conveniently, the conditionof water leakage is prevented, the treading structure is arranged, the drainage of sewage in a vegetable washing tank can be controlled by feet, therefore the drainage of the sewage in the vegetablewashing tank is not required to be controlled by hands, hands can be liberated, the hands can act on other works, the secondary pollution of the hands can be avoided, the cleanness of washing vegetables can be improved, while the treading structure works, the treading structure can act on the filtering structure , the filtering structure is arranged, broken vegetable leaves inside vegetable washing water can be intercepted and filtered, and accordingly the situation that the broken vegetable leaves block the sewer can be avoided.

The invention discloses an outdoor electric louver awning. The outdoor electric louver awning comprises a beam frame body, a plurality of louvers, an electric driving device and a transmission assembly; the beam frame body comprises a left beam and a right beam; the multiple louvers comprise driving louvers and driven louvers; one ends of the driving louvers are hinged to the left beam, and the other ends of the driving louvers are connected with the output end of the electric driving device through a louver transmission part; the two ends of the driven louvers are respectively hinged to the left beam and the right beam, and the driven louvers are connected with the driving louvers based on the transmission assembly and rotate synchronously; and the electric driving device drives the driving louvers to rotate, and when the multiple louvers rotate synchronously to a closed state, the two adjacent louvers in the multiple louvers are closely attached. According to the outdoor electric louver awning, structure design is reasonable, severe weather can be coped with, by controlling the electric driving device, opening and closing of the louvers can be controlled as a whole, and the outdoor electric louver awning has the advantage of high degree of intelligence and automation.

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.

The invention discloses a water tap not prone to leaking. The water tap comprises a pipe body, a water inlet end arranged on the pipe body, a piston capable of moving up and down, a water outlet end arranged on the pipe body, a handle capable of moving back and forth and a transmission structure for driving the piston to move up and down; and the handle is movably connected with the pipe body, andthe piston comprises a piston core and a sealing sleeve arranged outside the piston core. According to the water tap, by arranging the piston core and the sealing sleeve, the piston can better seal the water outlet end, and water leakage is avoided.

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 discloses a box type non-negative-pressure automatic-switching variable-frequency water supply system which comprises a current stabilization tank, a water tank, a variable-frequency constant-pressure water pump unit and a non-negative-pressure electrical cabinet. A first water pipe communicates to a water inlet part of the current stabilization tank; a third water pipe communicatesto a water inlet part of the water tank; a second water pipe communicates to a water outlet part of the current stabilization tank; and a fourth water pipe communicates to a water outlet part of the water tank. According to the box type non-negative-pressure automatic-switching variable-frequency water supply system provided by the invention, through arranging a spring sleeve, the displacement amplitude produced by a support plate is reduced, and the vibration amplitude of a digital variable-frequency pump and the current stabilization tank on a bed hedgehopping plate is further reduced, so that the digital variable-frequency pump and the current stabilization tank have higher reliability in the working process, the occurrence of the phenomenon that a support frame is deformed due to the shaking of the current stabilization tank after long-time use is effectively avoided, meanwhile, the occurrence of the phenomenon that the connecting part of a second water pipe, a connecting pipe andthe digital variable-frequency pump is leaky due to the shaking of the digital variable-frequency pump after long-time use is effectively avoided, and the technical problem that the water pipe connecting displacement airtightness becomes poor under the circumstance that the current stabilization tank and the water pump work for a long time in the prior art is solved.

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 the field of waterproof installation of photovoltaic modules, A photovoltaic module waterproof mounting structure is disclosed, comprises a photovoltaic module, a long-side guide rail and a short-side guide rail for installing the photovoltaic module, wherein the long-side guide rail is installed on a housing bracket, a first water guide groove is arranged on the long-sideguide rail, a plurality of notches are symmetrically arranged along the length direction of the long-side guide rail, and the short-side guide rail is installed at the notches. The water guide grooveis arranged on the guide rail, and after the photovoltaic module is spliced with sealant, the water guide groove is also arranged at the bottom of the sealant, which can play the role of multiple waterproofing. Therefore, the dependency on the construction process quality can be reduced, and at the same time, water leakage caused by aging and poor quality of the sealant can be 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.