13results about How to "Improve leak-proof performance" patented technology

The utility model relates to the technical field of valves, in particular to a pressure relief valve which comprises a shell body and an integrated valve element, and the shell body comprises a main flow channel, an installation channel and a pressure relief opening which are sequentially communicated. The integrated valve element comprises a valve element body, an elastic piece and a connecting piece, a sealing plate is arranged at the bottom of the valve element body, a first limiting structure is arranged at the top of the valve element body, a through hole is formed in the middle of the connecting piece, the valve element body movably penetrates through the through hole of the connecting piece, and the connecting piece is located below the first limiting structure. The elastic piece is arranged between the connecting piece and the closing plate; the outer side of the connecting piece is detachably connected with the mounting channel, and the sealing plate is used for sealing a water inlet of the mounting channel. Through the arrangement of the integrated valve core, the assembly steps are reduced, the convenience of assembly and installation of the pressure release valve is improved, and the working efficiency of pipeline laying is improved.

The utility model relates to the field of oil inlet pipe connecting structure, concretely relates to a booster lubrication oil inlet pipe leakproof connecting structure, including the connector for oil inlet pipe connection, the connector is installed in the oil guide pipe one end. The utility model discloses a booster lubrication oil inlet pipe leakproof connecting structure, through the setting of high temperature resistant guide pipe, sealing washer, rotating cover, high temperature resistant connecting pipe, fixed sleeve, butt joint cover, extrusion block and clamping block, through the high temperature resistant connecting pipe cover in high temperature resistant guide pipe outside, utilize high temperature resistant guide pipe outside two groups of sealing washer to strengthen the leakproofness, then rotate rotating cover and drive the fixed sleeve screwing of high temperature resistant connecting pipe outside, and the fixed sleeve is screwed into rotating cover after, and the connecting sleeve is inserted into the butt joint cover inside, thereby extruding extrusion block and the clamping block below, make the clamping block press in high temperature resistant connecting pipe outside, be located sealing washer rear side to strengthen sealing washer and high temperature resistant connecting pipe leakproofness, also strengthen the overall connecting strength.

The utility model discloses a hydraulic nut convenient to reinforce oil pipe, including hydraulic nut body, the top intercommunication of hydraulic nut body has the connecting pipe, the upper end sealed mounting of connecting pipe has the sealing seat, both sides of sealing seat top all lock tightly and have the sealing plug, both sides inside of sealing seat all are threadedly installed and have sealing adjusting lever. The utility model discloses through injecting hydraulic oil in hydraulic cavity, promotes sealing adjusting lever movement, can make the inside of sealing seat produce pre -tightening force, realizes the quick locking of oil pipe installation end, and the one end of oil pipe and sealing seat inside pass through locking internal thread connection, and its outside sealing washer cooperation support spring and elastic fixed sheet, forms multistage sealing structure, promotes the anti -leakage performance, can effectively seal the connecting part of oil pipe and sealing seat, in addition, further reinforce bottom structure through the external installation locking bolt, avoid the leakage of appearing in the use process and being subjected to the vibration.

The utility model discloses a kind of anti-leakage sprayers, it is related to sprayer technical field, including spray bottle and water guide pipe, the top of the spray bottle is movably connected with the bottom of water guide pipe, and the top of water guide pipe is fixedly connected with water storage tank, the water outlet of water storage tank is fixedly connected with pipe, the top of water storage tank is fixedly connected with spray stand. The utility model is provided with sealing mechanism, first, insert ring and sealing ring are inserted into slot one and slot two respectively, at the same time, rubber pad enters slot two with the movement of sealing ring, then, by the thread cooperation of threaded block and threaded sleeve, rotate threaded sleeve until fixed, to realize the communication of pipe on water storage tank and connecting pipe, its sealing mechanism can improve the sealing property after pipe on water storage tank and connecting pipe are connected, effectively prevent liquid from spilling from connecting place, greatly enhance the anti-leakage effect, in addition, the connecting mode of thread cooperation makes installation become simple and efficient, to meet the practicality of the device.

The utility model discloses a kind of high-strength composite seamless pipe fittings, including pipe fitting and snap ring being arranged at the both ends of pipe fitting, the inner wall of pipe fitting is provided with a pair of sector baffle, one end of sector baffle is respectively provided with limit block, clamping groove is arranged between sector baffle and sealing washer, the other end of pipe fitting is provided with pipe fitting plug, one side of pipe fitting plug outside is provided with a pair of sector baffle, one end pipe fitting outside is provided with upper fixed part and lower fixed part, the both ends of upper fixed part are respectively provided with inner rotating part and fixed block, the both ends of lower fixed part are respectively provided with outer rotating part and fixed block, the composite seamless pipe fitting realizes the efficient disassembly of pipe fitting connecting place, the cooperation of snap ring and clamping groove ensures the connection stability, the rotating type opening and closing structure cooperation fastening screw locking device of upper fixed part and lower fixed part, installation process is greatly simplified, both reduce the operating strength of worker, and improve pipe fitting assembly efficiency.

The application discloses a multi-section detachable pressure test joint device for continuous pipes, which comprises a tubular joint inner core, a plurality of tubular joint extension cores which can be connected in sequence, a plate-shaped blind plate assembly, a half sleeve assembly and a plurality of lengthened sleeve assemblies which can be connected in sequence. The joint inner core is arranged in the inner hole of the composite pipe, the joint extension core is arranged in the inner hole of the composite pipe and located at the tail of the joint inner core, the half sleeve assembly is arranged on the outer layer of the composite pipe, the lengthened sleeve assembly is arranged on the outer layer of the composite pipe and the head end surface of the lengthened sleeve assembly is tightly abutted against the tail end surface of the half sleeve assembly. The multi-section detachable pressure test joint device for continuous pipes adopts the joint extension cores and the lengthened sleeve assemblies which can be connected in sequence, can effectively increase the locking length, improves the anti-sliding and anti-leakage capacity of the joint and is suitable for pressure test of joints of different pressure levels.

The utility model discloses a reduction desalted water recycling system which comprises a tank main body, a water outlet pipe and a first water inlet pipe, wherein the water outlet pipe and the first water inlet pipe are arranged at the upper end and the lower end of the tank main body; when the system is used, firstly, electrode power regulation cooling water is reasonably replaced, it is ensured that the water quality of the replaced cooling water meets the follow-up use requirement, in the replacement process, the cooling water is specially detected through the detection device, and the detection device monitors key indexes such as the conductivity and the impurity content of the cooling water in real time; then the replaced cooling water is conveyed into the tank main body through a second water inlet pipe, and then the flow speed of the cooling water is controlled through an electric valve, so that the supplementing amount of the cooling water is accurately controlled, and the liquid level, the pressure and the temperature in the tank main body are stabilized in the optimal state; through cooperative use of the detection device, the electric valve, the first water inlet pipe, the second water inlet pipe, the tank main body and the water outlet pipe, the demand on fresh desalted water is reduced, and the production cost is reduced.

The utility model relates to the technical field of waste water treatment equipment, in particular to a waste water evaporator difficult to leak, which is characterized in that a top cover is arranged at the upper end of an outer tank, an exhaust pipe is arranged in the middle of the top cover, a feeding pipe penetrating through an inner tank is arranged at the top of the outer tank, and a discharging pipe inserted into an interlayer is arranged at the bottom of the outer tank; compared with a traditional evaporator with a single-layer structure, the evaporator adopts the design that the inner tank and the outer tank form the interlayer, and the interlayer is filled with low-pressure inert gas, so that even if the inner tank is perforated due to long-term contact with complex wastewater components, wastewater can enter the interlayer firstly, and a buffer layer formed by the inert gas can delay leakage; and the air pressure sensor can monitor abnormity in time, so that the risk of direct leakage of waste water is greatly reduced.

The utility model relates to the field of dangerous chemical transportation safety, in particular to a tank car emergency cut-off device which comprises a first pipe body and further comprises a second pipe body, the second pipe body is arranged at one end of the first pipe body, and a first flange and a second flange are arranged outside the first pipe body and the second pipe body respectively. The first pipe body and the second pipe body are fixedly connected through the first flange and the second flange; the cutting-off unit is arranged in the first pipe body and the second pipe body, the cutting-off unit comprises a telescopic air bag and a fusible rod, the fusible rod is disconnected to drive the telescopic air bag to be compressed, and then the first pipe body is blocked to cut off circulation; the cut-off unit comprises a blocking piece arranged in the first pipe body and used for driving the telescopic air bag to be compressed, the emergency cut-off device for the tank car can cut off circulation in an emergency mode when collision occurs during transportation, and can also cut off circulation in an emergency mode when a fire disaster occurs, and therefore the leakproof effect can be enhanced.

This utility model relates to the field of gas pipeline technology. In particular, it relates to a leak-proof connection structure for urban gas pipelines, including a base pipeline. One end of the pipeline is fixedly installed with a flange ring one and a flange ring two. The surface of flange ring two has an installation port for connecting flange ring one and flange ring two. A locking block is fixedly installed on the surface of flange ring one. The protruding end of the locking block has a telescopic opening. A telescopic groove is formed on one side of the inside of the locking block. A locking assembly for locking flange ring one and flange ring two is installed inside the telescopic groove. Through the cooperation of the locking block on the surface of flange ring one with the locking assembly and limiting assembly in the telescopic groove, an efficient, stable, and safe connection is achieved. The tight cooperation between the locking block and the locking assembly significantly improves the connection stability, effectively preventing loosening or detachment, thereby greatly enhancing the leak-proof performance.

This utility model belongs to the field of printer technology, specifically relating to an ink tube connector for a printer ink bottle. Installed inside the cap at the top of the ink bottle, it is integrally molded from silicone material and includes an 8-shaped boss and a circular sealing gasket at the bottom. An 8-shaped limiting hole is provided in the center of the cap, into which the 8-shaped boss is inserted. An 8-shaped through groove extending into the center of the circular sealing gasket extends into the 8-shaped boss. An ink outlet tube, stepped in shape, stands upright on one side of the top of the 8-shaped boss and communicates with the 8-shaped through groove. A groove is formed on the top wall of the other side of the 8-shaped boss, corresponding to the outline of the printer's air duct. This utility model can seal the boss with a thin film above the groove when unopened, preventing ink leakage, and facilitates quick insertion and breaking of the air duct during use, improving the ink dispensing speed of the ink bottle and preventing ink leakage.

The utility model belongs to gas pipeline anti -leakage technical field, specifically is a kind of gas pipeline anti -leakage device, including first pipeline, install protective assembly on the first pipeline and second pipeline;First sealing pad is installed in the buckling place of first shell and second shell, gas leakage detector is installed on the outer wall of second shell by connecting block, alarm is installed on the gas leakage detector, gas leakage detector is connected with gas guide pipe, when gap leaks, the gas of leakage is sealed in first shell and second shell, the gas of leakage cannot leak to operating environment, avoid the health of human body from harm, simultaneously, the gas of leakage enters into gas leakage detector by gas guide pipe, after gas leakage detector detects the gas of leakage, alarm will send alarm signal, realizes the gas of leakage to carry out timely collection and detection, it is beneficial to improve the anti -leakage effect of device to gas.

The utility model discloses a special leakproof glove structure for a vacuum glove box, and relates to the technical field of vacuum glove boxes, one end of a positioning ring is connected with a sealing disc, one end of the sealing disc is connected with a connecting sleeve in the positioning ring, and a first sealing gasket is arranged at the position, close to a vacuum glove box main body, of one side of the sealing disc; a sealing groove is formed in the inner side of the vacuum glove box body, a fixing groove is formed in the outer portion of the positioning ring, sealing plates are symmetrically arranged in the fixing groove, second sealing gaskets are arranged on the outer portions of the sealing plates, a rotating groove is formed in the inner side of the positioning ring, and a screw rod is arranged in the rotating groove. Through the arrangement of the sealing disc, the first sealing gasket and the connecting sleeve, the sealing disc can be installed through threaded connection of the connecting sleeve and the positioning ring, meanwhile, the sealing performance of the connecting position of the glove body and the vacuum glove box body can be improved through the first sealing gasket, and therefore the purpose of leakage prevention can be improved.