11results about How to "Affect the sealing effect" patented technology

The present invention relates to a fireproof, antistatic and high-pressure resistant ball valve and a working method thereof applied in the field of ball valve technology, comprising a valve body, a valve core, a sealing base, a sealing sleeve, a valve stem, a core inner body, a heat exchange tube, a plug hole, a heat-conducting sleeve and a conductive column button. The present invention realizes heat transfer and heat dissipation of the fluid medium to the valve stem through heat conduction between the fluid medium flowing inside the ball valve and the core inner body, and then realizes heat transfer and heat dissipation of the fluid medium to the valve stem through the heat exchange tube, so as to prevent the external fire of the ball valve from affecting the sealing effect of the sealing sleeve inside the valve cover, thereby effectively improving the fireproof effect of the ball valve. At the same time, the heat-conducting sleeve fills the space between the heat exchange tube and the plug hole, and utilizes the elasticity of the heat-conducting sleeve to compress the two ends of the conductive column button to contact the inner wall of the plug hole and the outer wall of the heat exchange tube respectively, thereby forming an electrostatic conduction path, and realizing that the static electricity accumulated in the valve core is discharged through the valve stem, thereby effectively improving the anti-static ability of the ball valve and facilitating the long-term operation of the ball valve.

The utility model belongs to the technical field of flange machining, and particularly relates to flange machining equipment which comprises a flange machining equipment bottom plate, a flange clamping and fixing assembly is installed on the top of the flange machining equipment bottom plate, a cooling assembly is arranged on the side of the flange clamping and fixing assembly, and a flange grinding assembly is arranged at the bottom of the cooling assembly. The interior of the flange machining equipment bottom plate is slidably connected with a waste water storage box, the side of the waste water storage box is fixedly connected with a side sliding block, a grid plate is arranged at the top of the waste water storage box, and the cooling assembly comprises a water outlet tank, a water suction pump, a water passing pipe, an annular water pipe and a water outlet spray head. The flange grinding device is used for grinding the flange face of a flange, the cooling assembly is arranged, water flow can be sprayed at the same time from all angles of the flange for cooling, and the situation that use is affected by slight deformation caused by heat accumulation or uneven heating of the flange face is conveniently prevented.

The utility model belongs to the field of cable sealing, and discloses a cable structure and a ventricle auxiliary device, the cable structure comprises a cable body and a connecting piece, the cable body comprises an outer tube and an inner core arranged in the outer tube, the far end of the outer tube is provided with a notch end face, and one end of the inner core extends out of the notch end face; the connecting piece is arranged at the far end of the cable body, the connecting piece is provided with a via hole in the axial direction, the inner diameter of the via hole is larger than the outer diameter of the outer pipe, the end, provided with the notch end face, of the cable body is arranged in the via hole, the inner core extends out of the far end face of the via hole, the notch end face is provided with a sealing layer, and the sealing layer is arranged on the inner core. The sealing layer adheres to the end face of the notch in an attached mode, and the inner core adheres to the sealing layer and penetrates through the sealing layer. By forming multiple sealing layers, the sealing effect of the end face of the cable can be improved, and bacteria are prevented from spreading and breeding to pollute a product.

This invention relates to the field of underground gas storage technology for compressed air energy storage power stations, specifically to a large-size sealed door structure for high-pressure underground gas storage. It includes a sealed door, a sealing ring fixing steel plate, a first sealing ring, and a second sealing ring. A maintenance passage is provided inside a reinforced concrete plug. The sealed door is connected to the reinforced concrete plug via a sealing door support hinge. The maintenance passage is connected to the gas storage through the sealed door. The sealing ring fixing steel plate is fixed between the sealed door and the reinforced concrete plug. Both the first and second sealing rings are interference-fitted between the sealing ring fixing steel plate and the sealed door, with the first sealing ring positioned outside the second sealing ring. The sealed door structure is simple, adaptable to complex operating conditions, and ensures durability and reliability. It employs conventional sealing methods to form two seals, creating a double-layered protective barrier, resulting in good sealing performance, simple maintenance, and low repair costs.

The utility model discloses a cosmetic heavy metal content sampling inspection device which comprises a heavy metal detection probe and a sleeve arranged outside in a sleeved mode, and one end of the heavy metal detection probe is fixedly connected with a connecting pipe. Then, an elastic silica gel head capable of closing the end opening of the sleeve under the conventional condition is arranged at one end of the sleeve for sealing protection, after the sleeve is inserted into slurry to be detected, the movable handle extrudes the connecting pipe to push the heavy metal detection probe to move out of the sleeve from the probe containing cavity, and meanwhile, after the heavy metal detection probe retracts into the sleeve, the movable handle pushes the heavy metal detection probe to move out of the sleeve. Residual slurry on the outer side of the heavy metal detection probe is removed through the elastic contraction ring, it is avoided that equipment needs to be cleaned independently after sampling inspection every time, cosmetics can be sampled continuously and repeatedly, and the problem that the sampling inspection efficiency is low due to the fact that a traditional cosmetic heavy metal content sampling inspection device needs to spend time in cleaning after being used is solved.

The present invention discloses a sealing packing assembly with a multiple sealing structure for a reciprocating compressor and a manufacturing device thereof, which relates to the technical field of multiple sealing of reciprocating compressors, and aims to solve the problem that the pressure of the packing ring in the existing reciprocating compressor is prone to uneven distribution after being compressed to a certain extent, which will cause local excessive compression or deformation of the packing ring. The present invention comprises a pair of glands arranged on the piston rod of the reciprocating compressor, a plurality of partition plates are arranged between the glands, a plurality of symmetrically arranged elastic members are respectively arranged on the top and bottom of the partition plates, the elastic members are distributed in an equidistant annular pattern on the partition plates, the middle parts of the two opposite elastic members are bent in opposite directions, and a packing ring is arranged between the two adjacent partition plates. The present invention has the advantage that the packing ring can be squeezed and evenly extended to both sides, thereby preventing the packing ring from being locally over-compressed or deformed after being compressed, which affects the sealing effect of the packing ring.

The utility model provides a weighing bin used for a rapid loading station, which relates to the technical field of weighing bins and comprises a support, a stock bin is fixedly connected to the outer surface of the support, a plurality of weighing sensors are arranged on the outer surface of the stock bin, a frame is arranged at the bottom end of the stock bin and fixed on the outer surface of the support, and the weighing sensors are arranged on the outer surface of the frame. A hydraulic rod is arranged at one end of the frame, a cleaning device is arranged on the outer surface of the valve plate, the cleaning device comprises two threaded cylinders and two threaded rods, and a plurality of scraping blocks are fixedly connected to one ends of the threaded cylinders. When a hydraulic rod operates to drive a valve plate to move, threaded barrels on the two sides of the inner wall of the valve plate can rotate, scraping blocks are driven to rotate to scrape and clean materials on the moving path of the valve plate on the inner wall of a frame, and the situation that the moving path of the valve plate is blocked due to the fact that the materials are stacked on the inner wall of the frame, and the sealing effect of the valve plate on the bottom of the stock bin is affected is avoided. And the stability of the weighing bin in use is improved.

The utility model discloses a novel plunger pump valve box valve element which comprises a valve body structure, an inner cavity is formed in the valve body structure, a water inlet is formed in the valve body structure and located on one side of the inner cavity, and a water inlet pipeline is fixedly connected to one end of the valve body structure and located on one side of the water inlet. The valve body structure, the inner cavity, the water inlet, the water outlet, the fixed outer ring, the second fixed rod, the filter screen, the movable valve element, the fixed disc and the second sealing ring are arranged, so that liquid and other things enter the inner cavity through the water inlet; when liquid flows into the valve body structure, the liquid is filtered through the filter screen between the fixed outer ring and the movable valve element, particles and the like in the liquid are filtered and intercepted, the sealing effect of the second sealing ring is prevented from being affected, the whole movable valve element can be moved, and the closer one end of the movable valve element is away from the water outlet, the lower the flow speed of the liquid in the valve body structure is, otherwise, the higher the flow speed is.

The invention relates to the technical field of bus ducts, in particular to a bus duct with a T-shaped heat dissipation structure, which comprises two outer frame plates, a partition plate is arranged between the two outer frame plates, a T-shaped structure is formed between the partition plate and the outer frame plates, female grooves are formed in two sides of the partition plate, busbars are mounted in the female grooves, heat dissipation plates are arranged on two sides of the female grooves, and the T-shaped structure is formed between the T-shaped structure and the partition plate. When the busbar generates heat, the form of the heat dissipation plate can be changed in time, so that the two outer frame plates are far away from each other, gaps are generated between the multiple mother grooves and the busbar, air can circulate, the heat dissipation capacity of the mother grooves can be improved through air circulation, liquid in the heat dissipation plate can absorb heat to be evaporated, and the heat dissipation effect is improved. The heat absorption capability of the heat dissipation plate is improved, so that heat generated by the busbar can be conducted out in time; and when the busbar is not in a working state, the heat dissipation plate can also switch the form in time so as to reset the sizes of the plurality of female grooves, and the sealing performance between the female grooves and the busbar is prevented from being reduced.

The utility model discloses a laundry condensation pearl packaging device, including base, the base upper end fixed mounting has support frame, hopper, the hopper fixed mounting is in the support frame upper end, with hopper bottom fixedly connected with the discharge pipe, and the discharge pipe outside fixed mounting has solenoid valve, water -soluble film round forming machine, water -soluble film round forming machine fixed mounting is in the discharge pipe outside. This laundry condensation pearl packaging device when needing to encapsulate laundry condensation pearl, first through the controller control solenoid valve operation to make the discharge pipe to the round bottom membrane body of lower extreme fills certain weight material, fills after the completion, and runs servo motor, and servo motor output end drives the screw rod of opposite direction rotation to drive the screw connector of two -end screw connection to move towards, through the opposite movement of two groups of screw connector to drive the heat -seal plate of two -end heating and move towards, paste in the upper end sealing of round bottom membrane body, the upper end of round bottom membrane body is sealed.

This invention relates to the field of door frame technology, specifically an S-shaped door frame structure, comprising: a door frame; a sealing device disposed inside the door frame and extending to the surface of the door frame; wherein, the sealing device includes a side sealing mechanism longitudinally disposed on the surface of the door frame, a sealing adjustment mechanism disposed on one side of the side sealing mechanism, a top sealing mechanism disposed between the two side sealing mechanisms, and an anti-pinch mechanism disposed on the side of the side sealing mechanism away from the sealing adjustment mechanism, the anti-pinch mechanism extending to the outside of the door frame; the side sealing mechanism includes a hinge, a push-acting assembly, and a sealing assembly; by providing the side sealing mechanism and the top sealing mechanism, the contact area between the door panel and the door frame can be sealed under the action of the side sealing mechanism and the top sealing mechanism, reducing wear caused by opening and closing the door panel, thereby ensuring the sealing effect of the gaps.