89results about How to "Prevent spillover" patented technology

The invention relates to an electrolyte for a lead-acid accumulator, in particular to a colloidal electrolyte and a preparation method thereof. The invention adopts the following technical scheme that the colloidal electrolyte is prepared from the following components in percentage by weight: 0.3 to 1.0 percent of silicon dioxide, 0.05 to 0.25 percent of cobaltous sulphate, 0.5 to 1.0 percent of sodium sulphide, 0.05 to 0.5 percent of stannous sulfate, 92 to 95 percent of dilute sulphuric acid of which the density is 1.330 to 1.400g/cm<3> and the balance of water of which the pH value is 7 to 9.

The invention provides an insertion and expansion type ink injecting bottle. The insertion and expansion type ink injecting bottle comprises a bottle body, a liner, a needle base and an injection pipe. The bottle body comprises a bottle neck provided with a hollow cylinder. The liner is arranged in the bottle body. The bottom surface of the liner is an elastic surface. The lower end of the hollow cylinder stretches into the upper portion of the liner. The needle base is arranged in the liner through the hollow cylinder and can move up and down in the hollow cylinder. The needle base comprises a supporting base and a sleeve base, wherein the supporting base is located on the upper portion of the needle base and allows a pen body to be inserted therein, and the sleeve base is located on the lower portion of the needle base and fixedly connected with the injection pipe in a sleeving mode. The upper end of the injection pipe is exposed out of the supporting base and communicated with the outside. The lower end of the injection pipe stretches to the bottom surface of the interior of the liner and communicated with the interior of the liner. A first sealing piece connected with the pen body in a sealing mode is fixedly arranged on the supporting base. A second sealing piece connected with the sleeve base in a sealing and sleeving mode is fixedly arranged on the inner wall of the hollow cylinder. At least one ventilation channel is formed in the needle base. By the adoption of the insertion and expansion type ink injecting bottle, ink returning in a pen barrel of an ink pen can be achieved before ink injection, and ink can be prevented from overflowing.

The invention belongs to the related technical field of treatment of sludge slurry with ultrahigh water content. The full-automatic hydraulic permeation consolidation device comprises a water pressurecontrol assembly, a permeation consolidation assembly, a measuring assembly and a data acquisition assembly, the water pressure control assembly is connected with the permeation consolidation assembly, and the measuring assembly is arranged on the permeation consolidation assembly and connected with the data acquisition assembly; the consolidation device is used for realizing drainage consolidation of a soil body through pushing and friction dragging effects of seepage force of high-pressure water on a soil sample; the water pressure control assembly is used for controlling the seepage force,and the data acquisition assembly is used for acquiring the pore pressure at each depth of a soil sample in the seepage consolidation assembly, the displacement at each time and the drainage rate inreal time so as to obtain the seepage coefficients of different stages. According to the invention, the filter pressing benefit is improved, real-time and automatic acquisition of test data is realized, large errors caused by manual reading are avoided, and the test data is accurate and reliable.

The invention relates to an automatic magnetic check valve, which comprises a cover body, an upper magnet, a valve body, a shaft seat, a valve, a lower magnet and a sealing ring, wherein the shaft seat is arranged on one side of the bottom of the valve body; the valve is hinged on the shaft seat; the upper magnet is arranged on the valve body; the lower magnet is arranged on the valve; the sealing ring is arranged between the valve and the valve body; and the upper magnet and the lower magnet are in a Z-plane asymmetric structure. When asymmetric magnets attract each other, an Fx component force not equal to zero is generated, the consistency of the repeated opening/closing action of the valve is greatly improved under the action of the Fx, and the valve is closed to be accurately attracted and sealed; the valve body has a high flow structure, so that an effective area of fluid flowing through the valve body is greatly improved; the valve body is hardly wound with hair and cotton and is cleaning-free; the valve can realize 90-degree opening in a circular pipeline, the drainage is not hindered and the flow velocity is high; and the overflow of sewage is prevented, polluted air, insects and cockroaches are prevented. The check valve is conveniently arranged at a sewage pipeline to replace the conventional water return bend, is suitable for sewage drainage, and is also suitable for other fluid pipelines with one-way flow requirement.

The invention discloses a low-silver copper-based solder free of a spillover phenomenon during a weld period. Aiming at the defect that the spillover phenomenon of the solder often occurs when brazing is performed by using traditional low-silver copper-based solder, the invention aims to provide the low-silver copper-based solder which is controllable in flowability and is free of the spillover phenomenon of the traditional low-silver copper-based solder during a process of welding copper and copper alloy. The low-silver copper-based solder disclosed by the invention is realized through the following technical scheme: the low-silver copper-based solder free of the spillover phenomenon during the weld period comprises the following components in weight percent: 6.6-7.8 percent of phosphorus (P), 0.5-2.2 percent of silver (Ag), 0.01-0.4 percent of indium (In), 0.001-0.2 percent of silicon (Si), 0.001-0.1 percent of rare earth and the balance copper (Cu).

The invention relates to the technical field of hygienic products and particularly relates to a unisex mobile-free urinal. The invention provides the unisex mobile-free urinal, the unisex mobile-free urinal comprises a urine container and a urine receiver which are respectively provided with closed inner chambers, a first opening in the upper part of the urine container corresponds to the external structure at the bottom of the urine receiver and is movably connected with the external structure at the bottom of the urine receiver in a closed manner, a second opening corresponding to the physiological feature of a human body private part is formed in the upper part of the urine receiver, a urine guiding port is formed in the bottom of the urine receiver, a urine guiding pipe is arranged on the urine guiding port, and the urine guiding pipe is positioned in the urine container. With the combination of the human body physical structure, the unisex mobile-free urinal provided by the invention is scientific and reasonable, the body of a user is not required to move, urinating can be achieved easily in a supine position, the unisex mobile-free urinal is widely applicable to people in different ages and sexes, and the user feels more comfortable; due to the design of a split structure, more flexibility and convenience are achieved; due to the adoption of the flange on the urine receiver, the occurrence of frequent urine outflow during urine receiving is thoroughly avoided; and the container is designed to be a volume adjustable structure, and the unisex mobile-free urinal is large in volume, thereby being capable of being shared by husband and wife.

The invention relates to a straight-through drying oven with an air curtain system. The straight-through drying oven comprises an inlet hood region, a fresh air curtain region, an inlet air curtain region, a preheating region, an internal air curtain region, a heating region, an outlet air curtain region, and an outlet hood region, wherein the regions are communicated with one another sequentially from front to rear. Each of the fresh air curtain region, the inlet air curtain region, the internal air curtain region and the outlet air curtain region is provided with an air curtain guide plate. Each air guide plate comprises a first angle plate and a second angle plate. A first top plate of the first angle plate and a second top plate of the second angle plate are both mounted a top wall plate of the drying oven. A gap between a first sloping plate of the first angle plate and a second sloping plate of the second angle plate forms an air passage. The air curtain guide plates in the inlet air curtain region and the outlet air curtain region prevent smoke inside the drying oven from overflowing. The air curtain guide plate in the internal air curtain region separates different temperature areas, so that temperature disturbance amongst different temperature areas is prevented effectively.

The invention provides regulation and control type beverage canning equipment. The regulation and control type beverage canning equipment comprises a transverse rod and a conveying belt arranged belowthe transverse rod, a plurality of canning heads are arranged at the bottom end of the transverse rod at intervals, the canning heads are rotationally connected with the transverse rod through shaftholes and shaft pins, the transverse rod can ascend and descend horizontally and move transversely at the same time, a plurality of fixing plates are arranged on the conveying belt, rotating bracketsare arranged on the fixing plates, the rotating brackets are used for containing beverage bottles, a liquid filling pipe and an air exhaust pipe are arranged on the transverse rod, the canning heads are of double-connector structures, first channels and second channels which are separated from each other are arranged in the canning heads, the liquid filling pipe is connected with the first channels, the air exhaust pipe is connected with the second channels, liquid filling heads are arranged at the other ends of the first channels, and air exhaust heads are arranged at the other ends of the second channels. By means of the regulation and control type beverage canning equipment, the floating foam generation amount in the beverage bottles can be reduced, the qualified rate of canned finishedproducts is increased, and meanwhile the canning speed can be increased.

A mammary gland catheter injector comprises a needle cylinder and a needle head. The needle head is in a hard hollow pipe shape. An arc bottom face is arranged at the lower end of the needle head. The bottom face protrudes outwards. Grooves are formed in the outer side and the bottom of the needle head. Needle holes are formed in the middle of the grooves. The needle holes are communicated with a needle head inner pipe. The end of the needle head is smooth and cannot damage a mammary gland catheter of a patient, the pain of the patient is lowered, a hard structure can go in and out of the mammary gland catheter conveniently, radiography liquid flowing is convenient, radiography liquid flows out along the grooves downwards, the phenomenon of overflowing is avoided, and radiography effect is guaranteed.

The invention discloses a eutectic brazing fixture and eutectic brazing process for an MCM. The eutectic brazing fixture for the MCM is used for applying a uniform pressure on micro-strip sheets, LTCCsubstrates and copper-clad dielectric plates at the upper end of an AlSiC carrier plate in a box body of the MCM separately, and comprises a cover plate arranged at the box opening of the box body ina covering manner, wherein a plurality of press blocks parallel to the cover plate through a plurality of adjustment elements are arranged at one side close to the interior of the box, of the cover plate, and each adjustment element penetrates through the cover plate; moreover, each micro-strip sheet, each LTCC substrate and each copper-clad dielectric plate correspond to one press block separately; each press block adjusts the pressure applied onto the corresponding micro-strip sheet, the corresponding LTCC substrate or the corresponding copper-clad dielectric plate through the adjustment element corresponding to the press block; and a brazing hole penetrating through a position exposed in a manner of corresponding to the upper end of the AlSiC carrier plate in the box body, on the coverplate, is formed in the position. The eutectic brazing fixture for the MCM is simple in structure; and moreover, the uniform and controllable pressure can be applied onto the micro-strip sheets, theLTCC substrates and the copper-clad dielectric plates separately by virtue of the fixture, and layers in the box body are mutually extruded, so that eutectic brazing is facilitated.

The invention provides rotating disc type regulation and control type beverage canning equipment. The cross section of the canning equipment is I-shaped, the canning equipment comprises a rotating table for accommodating beverage bottles, a canning table which is provided with a plurality of canning heads, and a lifting column which is used for connecting the rotating table and the canning table,the rotating table and the canning table are both in a disc shape, the canning table is connected with the top end of the lifting column, the canning heads are evenly distributed on the outer edge ofthe bottom end of the canning table at intervals, the canning table is further provided with a sliding rail, the sliding rail allows the canning heads to slide towards the center of the canning table,the outer end of the rotating table can stretch out and draw back in the radial direction, an accommodating groove is formed in the outer end of the rotating table, along with lifting of the liftingcolumn, the canning heads move along the sliding rail, and meanwhile the outer end of the rotating table stretches out and draws back in the radial direction. Through the disclosure of the rotating disc type regulation and control type beverage canning equipment, the floating foam generation amount in the beverage bottles can be reduced, the qualified rate of canned finished products can be improved, and the canning speed can be increased at the same time.

The invention discloses copper foil gluing and rolling integrated equipment which comprises a gluing mechanism and a rolling mechanism, the rolling mechanism is arranged on one side of the gluing mechanism, a packaging layer is arranged on the surface of a filling layer, isolation blocks are arranged on the two sides of the bottom face of the filling layer, a filling cavity is formed in the filling layer, glue is arranged in the filling cavity, the packaging layer and the filling layer are components made of paper materials, anti-sticking coatings are arranged on the surfaces of the packaging layer and the filling layer, a traditional barreled glue brushing process is replaced, when the bottom of the filling layer is scratched through a tool bit in the copper foil rolling process, glue in the filling cavity flows to the surface of a copper foil roll through a discharging opening, a brush head is matched for brushing operation, a colloid assembly is matched for synchronous sealed rolling, the drying process in the rolling process is simplified, when copper foil is rolled into a rolling bin, a hot air fan can be matched with a heating cavity and a communicating cavity, rolling and drying are conducted synchronously, and the rolling efficiency of the copper foil is improved.