51results about How to "No risk of water leakage" patented technology

The invention relates to a preparation method for a self-adhesive modified asphalt waterproof coiled material with cement reactivity. According to the technical scheme, the method comprises the following steps of coating on one or two sides of a base reinforcement layer with modified asphalt pressure sensitive self-adhesive glue with cement reactivity to form (a) modified asphalt pressure sensitive self-adhesive glue layer(s) by using an oil coating roller pair, and wrapping the modified asphalt pressure sensitive self-adhesive glue layer(s) with (an) anti-sticking separation film(s) to prepare a self-adhesive modified asphalt waterproof coiled material product with cement reactivity. The method has the beneficial effects that the modified asphalt pressure sensitive self-adhesive glue is used, so that the coiled material is endowed with a cement mortar adhesion characteristic, and has a thermal creep characteristic, the problem that an adhered surface is polluted by dust and the like on a construction site is effectively solved, and the range of construction application temperature of the coiled material is widened; the modified asphalt pressure sensitive self-adhesive glue is permanently and organically combined with concrete of a structural layer, and the hidden danger of water mixing is avoided; the reliability of a waterproof layer is improved, and unique self-healing capability for slight construction damage is achieved.

The invention relates to a construction method for pre-paving and inverted bonding of a composite macromolecule waterproof roll on a piled raft foundation. The construction method comprises the first step of cushion layer construction, the second step of base layer cleaning and paying-off positioning, the third step of deformation joint and female and male corner fine part treatment, the fourth step of large-area waterproof roll paving and attaching, the fifth step of protection film removing, the sixth step of waterproof protection layer construction and the seventh step of reinforced concrete construction. The construction method for pre-paving and inverted bonding of the composite macromolecule waterproof roll on the piled raft foundation has the beneficial effects that according to the composite macromolecule waterproof roll pre-paving and inverted bonding construction technology, a non-bonding face is emptily laid on a foundation cushion layer, a bonding face is upwards combined with a cast-in-place concrete face into a whole, and water moving hidden danger is avoided in the middle; even part of the roll is damaged, water is limited in a very small range due to the reliable bonding performance between the waterproof roll and a bottom plate, and the reliability of a waterproof layer is greatly improved.

The invention provides a cooling system on one hand. The cooling system comprises a heat pipe (10) filled with a refrigerant as well as a water cooling plate (20) which is in thermal coupling with a cold end (12), wherein the heat pipe comprises a hot end (11), a liquid outlet pipe (13), the cold end (12) and a liquid inlet pipe (14) which are communicated end to end to form a cooling circulating loop. The invention provides a server system provided with the cooling system on the other hand. The invention aims to provide the cooling system with a better cooling effect and the server system provided with the cooling system.

The invention discloses an anti-floating anchor rod and a basement bottom plate construction method. The anti-floating anchor rod comprises an anchor rod body, a prestressed steel strand and an anchoring device, wherein the prestressed steel strand is arranged in the anchor rod body in the length direction of the anchor rod body. The lower end of the anti-floating anchor rod is buried in the stratum, the upper end of the anti-floating anchor rod extends into a bottom plate area which is located on the ground and used for constructing a basement bottom plate, and the tensioning end of the prestressed steel strand extends out of the top end of the anchor rod body and then extends into the bottom plate area. The anchoring device is arranged in the bottom plate area and connected with the topend of the anchor rod body, the prestressed steel strand is arranged in the anchoring device in a penetrating mode so as to be anchored and fixed after being tensioned, and then the tensioning force of the tensioned prestressed steel strand is kept. According to the anti-floating anchor rod and the basement bottom plate construction method, the tensioning end of the anti-floating anchor rod is completely buried in the basement bottom plate and fixedly connected with the basement bottom plate into a whole, so that the construction efficiency of the basement bottom plate is high, the forming quality is good, the hidden danger of water leakage is avoided, the attractiveness is high, and using is convenient and comfortable.

The invention relates to a stereoscopic colorful auto-bonded macromolecular waterproof roll. The stereoscopic colorful auto-bonded macromolecular waterproof roll sequentially comprises a membrane layer, a first auto-bonded layer, a core layer, a second auto-bonded layer and a colorful mineral grain layer. The core layer is prepared by 100 parts of polyvinyl chloride resin, 15-25 parts of polyethylene terephthalate-1, 4-cyclohexane dimethanol ester, 10-20 parts of organic fibers and 3-5 parts of ABS high-adhesive powder by weight. Each auto-bonded layer is prepared by 100 parts of modified asphalt, 30-40 parts of naphthenic oil, 10-20 parts of butadiene styrene rubber, 25-35 parts of styrene thermoplastic elastomers, 20-30 parts of talcum powder, 1-2 parts of antioxidant and 3-5 parts of ultraviolet light absorber by weight.

The invention provides a construction method for a self-adhesion waterproof roll. The construction method comprises the following steps: a, the self-adhesion surface of the self-adhesion waterproof roll makes contact with a body structure; b, a protection layer is poured on the surface of the surface of the self-adhesion waterproof roll. Compared with the prior art, the construction method is easy to operate, the self-adhesion waterproof roll and the body structure can be bonded into a whole permanently, the hidden danger of water leakage in the middle is avoided, even if a part of the roll is destroyed, water is limited within a small range, and therefore the reliability of a waterproof layer is completely improved.

The invention provides a water heater capable of improving a water purifying effect. A water purifying device is mounted at the bottom end in an inner container of the water heater, and the water purifying device comprises a shell, a water blocking shunting device and a filtering water purifying substance. A first cavity is defined through the fit of the shell of the water purifying device and the bottom of the inner container, or the first cavity is formed by the shell of the water purifying device. A water inlet pipe of the water heater extends out of the shell of the water purifying device, and a hole allowing the water inlet pipe to penetrate through in the shell of the water purifying device is sealed with the outer wall of the water inlet pipe. A water outlet hole in the lower part of the water inlet pipe of the water heater is located in the first cavity, an opening is arranged in the shell of the water purifying device for communicating the first cavity with the other space of the inner container, and the water blocking shunting device and the filtering water purifying substance are arranged in the first cavity and between the opening and the water inlet pipe. According to the water heater capable of improving the water purifying effect, water in the inner container can be treated, both the contact area and contact time of the water with the filtering water purifying substance are increased, the purifying effect is improved, after-sale installation is facilitated, and hidden water leakage danger is avoided.

The invention discloses a basement bottom plate pre-laying anti-sticking TPO waterproof coiled material construction method, and relates to the technical field of underground building waterproofing. The method comprises the following steps of 1, base layer treatment, specifically, treating a base layer internal corner and a base layer external corner into an arc shape or a slope angle; 2, pile head treatment, specifically, cleaning a pile head, and coating the pile head and the periphery of the pile head with waterproof coating layers; 3, line snapping, specifically, paying off on the base layer and snapping out a planning line for paving the TPO waterproof coiled material; 4, pre-laying a coiled material, specifically, pre-laying the TPO waterproof coiled material on the base layer according to the planning line; and 5, welding joints of the coiled material, specifically, welding the joints of the TPO waterproof coiled material by using hot air welding equipment. The method is wide inapplication range, good in waterproof performance and free of waterproof blind areas.

The invention belongs to the technical field of house photovoltaic equipment, and discloses a novel connection and installation method between a photovoltaic bracket and a trapezoidal profiled steel plate roof. The method comprises the steps: removing dust from the top surface of the trapezoidal profiled steel plate, laying a rubber gasket, placing Z-shaped connectors and driving in 2-3 self-tapping nails; fixing the photovoltaic bracket by stainless steel bolts, sealing the self-tapping nail caps by a silicone sealant and installing a photovoltaic module; connecting the photovoltaic module with the roof board by using the Z-shaped connectors and guide rails; and fixing the self-tapping nails by penetrating through the top surface of the trapezoidal profiled steel plate, and transmitting the load of the photovoltaic module to the roof purlins through the Z-shaped connectors and then to the roof truss steel beams. The method has the advantages of convenient and simple construction; short construction period; high drawing resistance; and using the silicone sealant and the rubber gasket for double waterproofing so that there is no risk of water leakage on the roof.

The invention relates to the field of an air conditioning device of a passenger car, in particular to a full-fresh-air overhead air conditioner which comprises a fresh air inlet, a fresh air door, a return air inlet, a return air grille, an air supply outlet, a core body dust filter screen, a fresh air filter screen, a condensate fan, a core body of an evaporator, an evaporation fan and a motor of the fresh air door, and has the characteristic structure that the full-fresh-air overhead air conditioner further comprises a return air door mechanism, an overflow air door mechanism, a return air door motor and an overflow air door motor; the design of the oversized fresh air inlet is adopted, and the return air door mechanism and the overflow air door mechanism are added, so that three running modes including full fresh air, part fresh air and full return air can be realized; due to the design of water leakage prevention, a rotary shutter structure is respectively adopted by the fresh airdoor, a return air door and an overflow air door which are respectively controlled by three independent motors; and a fresh air filtering device and a return air filtering device are arranged. The full-fresh-air overhead air conditioner has the characteristics of energy conservation, environmental protection, high comfortableness and good technological efficiency.

The invention relates to the technical field of dishwashers, in particular to a sealing structure for a dishwasher inner tank middle plate and inner tank top plate, a dishwasher inner tank and a dishwasher. The sealing structure includes ribs connected to the bottom surface of the top plate of the inner tank and a seal connected to the middle plate of the inner tank. The seal has a groove that is depressed downward from its top surface, and the groove is formed alone or together with the inner wall of the inner tank middle plate The sealing groove surrounding the convex rib, and the top surface of the sealing member is attached to the bottom surface of the top plate of the inner tank. The dishwasher inner container of the present invention includes an inner container middle plate, an inner container top plate and the above-mentioned sealing structure. The dishwasher of the present invention comprises the above-mentioned inner container of the dishwasher and a shower arranged in the inner container, and the sealing structure in the inner container is at least arranged in the spraying area of ​​the shower. The sealing structure, the dishwasher liner and the dishwasher can not only solve the problem of water leakage at the joint between the top of the inner tank middle plate and the inner tank top plate, but also have simple installation.

The invention discloses a fin stabilizer lubricating system. The fin stabilizer lubricating system comprises a hand pump, three-way valves, two-way valves and grease observers, wherein each three-wayvalve is provided with an inlet and two outlets; each two-way valve is provided with a switch; an oil outlet of the hand pump is connected with the inlet of each three-way valve through a pipeline; the two outlets of each three-way valve respectively communicate with oil injecting openings of a left fin stabilizer executing mechanism and a right fin stabilizer executing mechanism through three-waypipelines; the two-way valve is respectively arranged an oil injecting pipeline of the oil injecting opening of each of the left fin stabilizer executing mechanism and the right fin stabilizer executing mechanism; and an oil overflow opening of each of the left fin stabilizer executing mechanism and the right fin stabilizer executing mechanism is connected with the grease observer and a backflowpipeline. The fin stabilizer lubricating system has the advantages that the operation is simple; the practicability is high; grease can be injected into a plurality of lubricating positions of the left fin stabilizer executing mechanism and the right fin stabilizer executing mechanism only through one set of hand pump; in the operation process, only a three-way selection ball valve and a two-way ball valve on the corresponding pipeline need to be controlled; in addition, the risk of water leakage caused by deformation of an outboard sealing cover of the fin stabilizer due to excessive pump pressure can be avoided; and waste of lubricating grease cannot be caused.

The invention discloses a cylinder block assembly and a hot runner system provided with the cylinder block assembly. The cylinder block assembly comprises a cylinder block and a mould base for accommodating the cylinder block. The cylinder block assembly further comprises at least one heat conduction component. When the cylinder block is put in the mould base, the heat conduction component abuts against the cylinder block and the mould base to conduct heat of the cylinder block to the mould base. A waterway plate and a cooling water pipe are omitted, so that the mould base occupying space is reduced, the cost is reduced, and no water leakage risk exists; and in addition, the heat of the cylinder block is directly conducted to the mould base through the heat conduction component, so that the heat dissipation efficiency and the heat dissipation reliability are ensured, the sudden temperature rise of the cylinder block is avoided, and the service life of a seal ring is not affected.

The invention provides a foldable plastic boat. The foldable plastic boat comprises a plastic film; crease lines are arranged on the plastic film; and the plastic film can be folded along the crease lines, so as to form a boat body. According to the foldable plastic boat provided by the invention, the crease lines are arranged on the plastic film in advance, and then the plastic film can be folded along the crease lines, so as to form a boat; the plastic film is thin and light, so the formed boat is light; the plastic film is integrated, thus, no water is leaked from the bottom of the formed boat; the requirements on lighter and thinner boat body are really achieved through the foldable plastic boat; and moreover, the boat body can be quickly assembled, so a reliable communication media is provided for people for travelling and exploring. The foldable plastic boat provided by the invention promotes the development of the boat technology.

The invention discloses foamed polypropylene and a foaming process thereof. The foamed polypropylene is uniform in foaming and better in sealing performance, no water leakage risk exists, and particularly, when the foamed polypropylene is applied to a foaming floating ball, the specific gravity can reach 0.5-0.7 g/cm<3>, while the specific gravity of a foaming floating ball made through a traditional process is 0.7 g/cm<3> and above. By means of the foamed polypropylene and the foaming process thereof, it is more helpful to achieve control over the liquid level, the foamed polypropylene has better high-temperature resistance, the highest operating temperature can reach 110 DEG C, the foamed polypropylene can work stably for a long time and can be directly applied to water drinking equipment, and safety and reliability are achieved.

The invention relates to the technical field of building designing, in particular to a concave curved-roof-surface waterproof structure and a construction technology thereof. The concave curved-roof-surface waterproof structure comprises a waterproof structure body, a concrete layer is arranged at the bottom of the waterproof structure body, a waterproof layer is connected to the top face of the concrete layer, a heat preservation layer is arranged on the top face of the waterproof layer, a rigid waterproof layer is arranged on the top face of the heat preservation layer, and a house decorating layer is connected to the top face of the rigid waterproof layer. The construction technology of the waterproof structure body includes the following steps that steel is rolled, a steel frame is placed, concrete is poured, the top face of the concrete is poured into a concave curved structure after fine building, the waterproof layer is laid, the heat preservation layer is sprayed, concrete is poured, and the decorating layer is laid. According to the concave curved-roof-surface waterproof structure and the construction technology thereof, the waterproof layer is directly arranged on the concrete structure layer, construction is simple, the construction procedure is simple, and the waterproof effect of the curved roof surface is good.

The invention discloses a closestool flushing mechanism and a flushing control method thereof. The closestool flushing mechanism comprises a water storage device provided with a water storage cavity,a water feeding component and a water draining component, wherein the water storage cavity is connected with a water pipe via the water feeding component; the water storage cavity is connected with the water inlet of the closestool via the water draining component. The closestool flushing mechanism is characterized in that the water feeding component and the water draining component are controlledin a linked manner, so that when the water feeding component is opened, the water draining component is closed, and water is stored in the water storage device; when the water feeding component is closed, the water draining component is opened, the water storage device drains water to flush the closestool. According to the closestool flushing mechanism provided by the invention, the water storagedevice is used for storing the water temporarily, when a water pressure is low, the waster also can be stored for flushing, and the flushing effect is ensured.

The invention discloses an electronic device and a key device, and the key device comprises an installation housing, a first magnetic part disposed at the inner side of the installation housing, and a pressing part which has magnetism and is movably disposed at the outer side of the installation housing so as to be close to or far away from the first magnetic part. And the detection part is arranged on the inner side of the mounting shell and is used for detecting the change of the magnetic field or the pressure in the moving process of the pressing part. According to the key device provided by the invention, the first magnetic part and the pressing part are arranged on the two sides of the mounting shell, a through hole does not need to be formed in the mounting shell, the sealing performance of the mounting shell cannot be damaged, the mounting position of the key device has no water leakage risk, the waterproof operation by mounting a sealing structure is avoided, and the sealing performance and the waterproof performance of the key device are improved.