42results about How to "Seal reached" patented technology

The invention relates to a self-compensating fastening large-caliber fast adaptor which is used for butt jointing of two pipes and solves the defects of high cost and poor practicability in the prior art. The invention is characterized in that: the outer circumference of pipe fittings is encircled by a rubber sealing boot 2, a convex ring of which is arranged among the pipe fittings. Left and right sleeves 3 and 4 are respectively sheathed on the pipe fittings, and pressed on the outer surface of the rubber sealing boot 2. A trough 9 of the left sleeve 3 is meshed with a projection 12 of the right sleeve 4. A cotter pin 8 fixedly locks the left and right sleeves 3 and 4. A claw 5 is provided with a pointed teeth on the concave surface, arranged in dovetail inner cone troughs 11 and 14 in the left and right sleeves 3 and 4, pasted on the outer wall of the pipe fittings, can slide along the axial direction of the pipe fittings and concentrically contract to occlude and tighten the pipe fittings. The fast adaptor is high, middle and low pressure resistant. The self-compensating fastening omni-directional secure seal with firm soft syncretic is provided without welding or flange type, not being opened with trench type, and not being provided with a compensator additionally, thereby saving labor and time, especially under the condition of severe environment, the fast adaptor of the invention has the advantages of being convenient and fast, low cost, energy saving and environmental protection. The fast adaptor of the invention is used for connecting two pipes through which the fluid is to be conveyed.

The invention discloses a separable sealing structure of a dragline anchor. The separable sealing structure comprises a sealing structure at an anchor head end and a sealing structure in an anchor head, wherein the sealing structure at the anchor head end comprises an anchor plate, a base plate and an O-shaped sealing ring I arranged on the base plate; the sealing structure in the anchor head comprises a sealing cylinder, a pressing plate, an inner sealing plate, a pressure-bearing cushion cover, an O-shaped sealing ring II, a sealing cushion cover and an outer sealing plate; the pressing plate, the inner sealing plate, the pressure-bearing cushion cover, the O-shaped sealing ring II, the sealing cushion cover and the outer sealing plate are sequentially arranged in the sealing cylinder; a connecting piece comprises a pressing rod, a pressing screw and a tightening screw; the pressing rod penetrates through a through hole II in the anchor plate and a straight-through hole II of the pressing plate, directly reaches a blind hole I of the inner sealing plate and clamps the pressing plate around a shoulder; the pressing screw is tightly attached to the pressing rod for ejecting the pressing rod; the pressing rod ejects the pressing plate; one end of the pressure-bearing cushion cover is tightly attached to the pressing plate and is ejected; the other end of the pressure-bearing cushion cover is tightly attached to the sealing cushion cover and extrudes the sealing cushion cover. The separable sealing structure of the dragline anchor is reliable in sealing; the disassembly and the assembly for multiple times can be realized; the maintenance and the operation are easily realized; meanwhile, steel stranded wires can be singly changed.

The invention discloses a lead frame cleaning mechanism, and particularly relates to the technical field of semiconductors. The lead frame cleaning mechanism comprises a box, an adapter tube and a hinge. A water pipe mounting hole is formed in the top surface of the box, a box door is movably mounted on the side surface of the box through the hinge, a sealing ring is fixedly mounted on the side surface of the box door, an observation window is formed in the side surface of the box door, a partition plate is fixedly mounted in an inner cavity of the box, a fixed bottom rod is fixedly mounted on the top face of the partition plate, a locking device is fixedly mounted on the side face of the fixed bottom rod, and a fixed top rod is fixedly mounted on the top of the fixed bottom rod through the hinge. By arranging the bottom of the box to be gradually lowered from left to right, when cleaning liquid on the upper part is scattered at the bottom of the inner cavity of the box, the cleaning liquid can be completely discharged by arranging the bottom of the box, the situation that the equipment cannot work normally due to accumulation of the cleaning liquid is avoided, and the practicability of the equipment is improved.

The invention provides a polyethylene pipe fast connector and belongs to the technical field of pipeline connection. The polyethylene pipe fast connector is composed of an iron outer pipe, a rubber inner container and screws. The rubber inner container is arranged inside the iron outer pipe. The wall of the iron outer pipe is provided with threaded through holes corresponding to the screws. The screws are screwed on the iron outer pipe through the threaded through holes. Three rows of the screws evenly arranged in a triangular mode are screwed around the wall of the iron outer pipe. The screws in each row are six in number. The polyethylene pipe fast connector is reasonable and simple in structure, easy to produce and manufacture, and convenient to use. When being used for connecting polyethylene pipes, the polyethylene pipe fast connector is sleeved to the end portions of two connected pipelines, the screws are evenly screwed and penetrate through the iron outer pipe to extrude the rubber inner container so that the rubber inner container can make close contact with a PE pipe, and the compressed inner container enables the pipeline seal openings to be sealed. Accordingly, the polyethylene pipe fast connector ensures the strength of connection, and is simple to operate, pollution-free, and free from influence of sites and environmental factors. After the screws are unscrewed, the pipe connector can be reused and is economical and environment-friendly.

The invention discloses a double-seal high-pressure polished rod sealing device, and belongs to the technical field of polished rod sealing devices. The double-seal high-pressure polished rod sealingdevice comprises a sealing shell. A groove is formed in the side, which is close to a polished rod, of the sealing shell, an upper sealing ring, an upper spacer, an upper movable block, a lower movable block, a lower spacer and a lower sealing ring are sequentially mounted in the groove from top to bottom, mounting balls are mounted on the side, which is close to the polished rod, of each of the upper movable block and the lower movable block, oblique planes are arranged on the adjacent surfaces of the upper movable block and the lower movable block, a triangular notch is formed between the upper movable block and the lower movable block, an ejecting block is slidably arranged in the triangular notch, a threaded hole is formed in the sealing shell, and a threaded rod is mounted in the threaded hole. The double-seal high-pressure polished rod sealing device has the advantages that the upper movable block and the lower movable block can move towards two sides of the double-seal high-pressure polished rod sealing device, accordingly, the upper sealing ring and the lower sealing ring can be squeezed, can be expanded towards the horizontal directions and can sufficiently cling to the outer wall of the polished rod, accordingly, the sealing purpose can be achieved, and sealing effects can be improved.

The invention relates to a fixed ball valve structure regulating device. A fixed ball valve comprises a valve body, a ball, a valve stem and a supporting shaft, wherein the ball is arranged in the valve body, the valve stem penetrates through the upper portion of the valve body to be connected with the ball, and the supporting shaft penetrates through the lower portion of the valve body to be connected with the ball. The structure regulating device comprises a bottom cap, a seal cap, a regulating nut and a regulating bolt, wherein the bottom cap is arranged below the supporting shaft and connected with the valve body, the lower end of the regulating bolt is connected with the regulating nut, the upper end of the regulating bolt penetrates through the bottom cap and butted upon the lower end of the supporting shaft, and the seal cap is fixed on the bottom cap through screws. Compared with the prior art, the fixed ball valve structure regulating device has the advantages of rapidness and convenience in maintenance, capability of achieving sealing effect by allowing the ball to match with a valve seat quickly without shutdown, and the like.

The invention discloses an assembling device with a sealing function. The assembling device comprises a first separating body, a second separating body and a gasket, wherein the first separating body is provided with a first surface, the second separating body is provided with a second surface, the gasket is provided with a convex rib, the convex rib is in contact with the first surface and the second surface, at least one side of the convex rib is provided with a branch groove in a protruding way, at least one end of an elastic body which is fixedly arranged on the convex rib is embedded in the branch groove, and the elastic body is simultaneously in contact with the first separating body and the second separating body. Compared with the design of a traditional gasket, due to the additional arrangement of a glue groove and the elastic body, the sealing problem in a height difference can be completely solved, complete sealing can be achieved, and the sealing reliability can be increased; the gasket has a better adaptability on the height difference, the processing accuracy of a flange surface can be reduced, thus the processing efficiency is increased, and the cost is saved.

The invention provides a dynamic sealing device which comprises a dynamic sealing gasket prepared by No.304 stainless steel material, a lining ring and a supporting ring, wherein the dynamic sealing gasket is a thin circular ring sheet, an elastic part is arranged on the dynamic sealing gasket, the elastic part can lead the dynamic sealing gasket to be always in tight bonding with the lining ringthrough the elastic force, the lining ring and the supporting ring are connected through a fastener, and the supporting ring is connected and arranged on a frame through a revolution surface.

The invention discloses a large-caliber high-pressure low-torque ball valve which comprises a graphite ring, a valve seat, a ball body, a valve body, a lower bearing, a packing box, a receiving disc,a valve rod, a turbine head, a turbine, a turbine cover and a locking device. A fixing seat is fixed to an inner ring of the graphite ring, a spring is fixed to the left side of the valve seat, self-lubricating layers are fixed to the top and bottom of the ball body, sliding ways are formed in the periphery of the interior of the valve body, the top end of the lower bearing penetrates through thebottom of the valve body and is fixedly connected with a shaft seat at the bottom of the ball body, the packing box is installed at the top end of the valve body, the receiving disc penetrates throughthe packing box through a fixing nut, the bottom of the valve rod penetrates through the receiving disc and the packing box and extends into the valve body, and a connecting groove is formed in the left side of the turbine head. The large-caliber high-pressure low-torque ball valve is provided with a filter screen, impurities entering water in the valve body are filtered through the filter screen, and the situation that the precision of the whole surface of the ball body is affected due to the fact that the impurities in the water are left between the valve body and the ball body to scratch the ball body is avoided.

The invention provides a sealing connection structure and a connector using the same. The sealing connection structure comprises a fixing base body and a flexible sealing sleeve; the fixing base body is provided with a sealing connection surface for connecting the flexible sealing sleeve; the flexible sealing sleeve is connected onto the sealing connection surface through a connecting component and an annular pressing plate; and the outer edge / or inner edge of the annular pressing plate is provided with a limiting structure which is used for limiting the compression deformation quantity of the flexible sealing sleeve and extends towards the sealing connection surface. According to the sealing connection structure of the invention, the flexible sealing sleeve is connected onto the sealing connection surface of the fixing base body through the connecting component and the annular pressing plate. Compared with a mode that a sealing adhesive sleeve is connected with a mounting plate through the deformation of the sealing adhesive sleeve itself, the connecting mode adopted by the sealing connection structure can realize high connection strength and will not cause connection failure; and the limiting structure can limit the compression deformation quantity of the flexible sealing sleeve, and therefore, the sealing adhesive sleeve can be prevented from being excessively compressed, so that the deformation of the sealing adhesive sleeve will not exceed deformation limit, and therefore, the sealing adhesive sleeve will not lose elasticity, and a sealing effect can be ensured.

The invention discloses a triple valve. The triple valve comprises a triple valve main body and a sealing rubber plug, wherein an accommodating cavity is formed in the triple valve main body; the triple valve main body is provided with a blood sampling end; a blood sampling opening which communicates with the accommodating cavity is formed in the blood sampling end; the sealing rubber plug is fixed to the blood sampling end and is used for sealing the blood sampling opening; the sealing rubber plug is also provided with an extruding gap; and when the blood sampling device is connected with theblood sampling end for blood sampling, the sealing rubber plug is extruded by the blood sampling device to enable the extruding gap to be opened and communicate with the blood sampling opening. The technical scheme of the triple valve disclosed by the invention aims to optimize the structure of the triple valve, and the operation of blood sampling is simplified through the triple valve.

The invention discloses a combined type high-sealing-performance automatic frequency conversion cabinet. The frequency conversion cabinet comprises a frequency conversion cabinet body, wherein the frequency conversion cabinet body is hinged to a cabinet door through hidden hinges; a first sealing strip is adhered to the surface of one side, close to the cabinet door, of the frequency conversion cabinet body; a magnetic lock is fixed on the inner wall of one end, close to the cabinet door, of the frequency conversion cabinet body; two electromagnets are embedded into the magnetic attraction lock; an enameled coil is arranged on the outer circumferential face of each electromagnet in a surrounding mode; a first protruding plate is arranged on the surface of the side, close to the frequency conversion cabinet body, of the cabinet door; a second protruding plate is arranged on the surface of the side, away from the cabinet door, of the first protruding plate; a second sealing ring is arranged on the outer circumferential face of the second protruding plate in a surrounding mode; and a magnetic attraction plate is embedded in the cabinet door. Through cooperation of the cabinet door andthe frequency conversion cabinet body, good sealing performance is provided between the cabinet body and the cabinet door of the frequency conversion cabinet, so dust is prevented from entering the frequency conversion cabinet to corrode electrical apparatus elements in the frequency conversion cabinet.

The invention discloses composite plastic woven bag manufacturing and processing equipment and method, and belongs to the technical field of woven bag processing equipment. The composite plastic woven bag manufacturing and processing equipment comprises a manufacturing and processing equipment body, a woven bag rolling shaft, supporting and fixing tables, main body supporting columns and a rotating mechanism, wherein the supporting and fixing tables are fixedly installed on the left side and the right side of the top of the manufacturing and processing equipment body; the rotating mechanism is movably installed at the top of the supporting and fixing tables, the woven bag rolling shaft is movably installed on the inner side of the rotating mechanism, and the main body supporting columns are fixedly installed on the left side and the right side of the manufacturing and processing equipment body. According to the composite plastic woven bag manufacturing and processing equipment and method, the design is ingenious, a woven bag flattening shaft and a woven bag flattening device are combined, and the problem that in the using process of existing manufacturing and processing equipment, some parts of a woven bag can be folded, and the folded parts of the woven bag cannot be flattened is conveniently solved. Through the structural combination, the device can flatten the folded part of the woven bag, so that the woven bag is better operated in subsequent processing.

The invention relates to an intelligent coffee machine case which comprises a case body and a coffee machine, the coffee machine is movably arranged in the case body, a second water inlet is formed inthe upper end of the coffee machine, the upper end of the coffee machine is connected with a case cover, the case cover abuts against the upper end face of the case body, and a second water inlet isformed in the case cover; by additionally arranging the special case body outside the coffee machine, in the actual working process, the coffee machine can be conveniently taken and placed, meanwhile,the effect that the coffee machine can be stably fixed in the case body can be achieved, and therefore in the coffee machine carrying process, the coffee machine can be prevented from shaking in thecase body; moreover, according to the coffee machine, the box cover is further arranged on the coffee machine and used for blocking the opening in the machine box body, and therefore the effect that the coffee machine is sealed in the machine box body is achieved through the sealing effect.

The invention relates to a door with a rotatably mounted door leaf, which may be operated by a floor door closer, arranged below the door, whereby the door leaf is embodied with at least two parallel glass panes, a peripheral spacer between the glass panes and a support element arranged between the glass panes in the lower region of the door leaf. According to the invention, such a door may be improved, in particular with regard to the pivot mounting thereof, whereby the support element between the glass panes may be connected to a support, lying on the outside of the glass panes, which may engage with a drive axle of the floor door closer, outside the plane of the door.

The invention discloses a separable sealing structure of a dragline anchor. The separable sealing structure comprises a sealing structure at an anchor head end and a sealing structure in an anchor head, wherein the sealing structure at the anchor head end comprises an anchor plate, a base plate and an O-shaped sealing ring I arranged on the base plate; the sealing structure in the anchor head comprises a sealing cylinder, a pressing plate, an inner sealing plate, a pressure-bearing cushion cover, an O-shaped sealing ring II, a sealing cushion cover and an outer sealing plate; the pressing plate, the inner sealing plate, the pressure-bearing cushion cover, the O-shaped sealing ring II, the sealing cushion cover and the outer sealing plate are sequentially arranged in the sealing cylinder; a connecting piece comprises a pressing rod, a pressing screw and a tightening screw; the pressing rod penetrates through a through hole II in the anchor plate and a straight-through hole II of the pressing plate, directly reaches a blind hole I of the inner sealing plate and clamps the pressing plate around a shoulder; the pressing screw is tightly attached to the pressing rod for ejecting the pressing rod; the pressing rod ejects the pressing plate; one end of the pressure-bearing cushion cover is tightly attached to the pressing plate and is ejected; the other end of the pressure-bearing cushion cover is tightly attached to the sealing cushion cover and extrudes the sealing cushion cover. The separable sealing structure of the dragline anchor is reliable in sealing; the disassembly and the assembly for multiple times can be realized; the maintenance and the operation are easily realized; meanwhile, steel stranded wires can be singly changed.

The invention discloses a clamping pressing type dust removal device. The clamping pressing type dust removal device comprises an elastic rubber plate which is arranged between two brake pad driving pieces; the two ends of the elastic rubber plate are respectively and fixedly connected with the two brake pad driving pieces; the upper end of the elastic rubber plate is fixedly connected with a water spraying mechanism; the water spraying mechanism comprises a hard plate which is fixedly connected with the elastic rubber plate; the upper end of the hard plate is fixedly connected with a closed water tank; a water distributor is arranged on the outer surface of the closed water tank; a water inlet of the water distributor is connected with a water inlet pipe; the water inlet pipe extends intothe closed water tank; a water flow outlet of the water distributor is connected with a spraying head; a supporting frame which is used for supporting the spraying head is arranged on the outer surface of the upper end of the closed water tank; a water adding opening is formed in the closed water tank; a connecting pipe is arranged between the spraying head and the closed water tank; a pluralityof bumps which are distributed annularly are arranged on the inside surface of one end, connected with the spraying head, of the connecting pipe; a sealing gasket is arranged on the outer surface of each bump; quick and stable connection between the connecting pipe and the spraying head can be realized.

The invention discloses a sleeve type fixed dust removal device which comprises an elastic rubber plate arranged between two brake pad actuators. A water spraying mechanism is fixedly connected at theupper end of the elastic rubber plate and comprises a closed water tank, a water separator is arranged on the outer surface of the closed water tank, a water flow outlet of the water separator is connected with a sprayer, a connecting pipe is arranged between the sprayer and the closed water tank, a plurality of annularly distributed projections are arranged on the inner side face of one end, connected with the sprayer, of the connecting pipe, a sealing gasket is arranged on the outer surface of each projection, an annular sliding groove is formed in the outer circumference of one end, connected with the sprayer, of the connecting pipe, a sleeve externally sleeves the connecting pipe, the inner side face of one end of the sleeve projects inwards to form an annular slider, an annular sealing ring is adhered on the inner side wall of the other end of the sleeve, an annular groove is formed in the outer circumference of the other end of the sleeve, and a locking bolt is arranged in the annular groove and connected with the annular groove in a threaded manner. Multiple sealing functions and emergency usage can be realized.

The invention discloses a sealing ring for a spliced water supply tank. A four-way connecting component, a three-way connecting component, a two-way corner connecting component and a two-way direct connecting component are respectively of an integrated structure, inserting needles are respectively arranged at the ends of a solid core strip, an upper hollow strip and a lower hollow strip are respectively and symmetrically arranged on the upper face and the lower face of the solid core strip, and the upper hollow strip and the lower hollow strip are respectively provided with an upper inclined face and a lower inclined face to form an inner included angle a. Inserting holes matched with the inserting needles are formed in the ends of a solid strip of a component connecting strip respectively, and an upper outer inclined face and a lower outer inclined face are arranged at the ends of an upper hollow strip and a lower hollow strip of the component connecting strip respectively. A sealing belt is arranged to be connected with a connecting component for sealing, the combined type water tank splicing blocks are wrapped, and then the sealing belt and the connecting component are fixed and pressed through bolts, so that the combined type water tank is sealed. Therefore, the defect that intergranular corrosion and stress corrosion occur due to the fact that the corrosion resistance of a weld joint of the water tank is reduced through welding is overcome, and the service life of the water tank is effectively prolonged.

The invention provides an air conditioner. The air conditioner comprises a front panel, a display module arranged on the front panel and a transparent waterproof cover buckled to the outer surface of the display module. According to the air conditioner, the transparent waterproof cover is integrally applied in the air conditioner, so that damp-proof, sealing and protection functions are realized, the whole air conditioner is attractive in appearance and delicate, and the effect of sealing and isolating cold and hot air is achieved.

The invention discloses a protective cap for a column base of a transformer substation power distribution unit steel frame. In the prior art, if a steel structure of the column base portion of the transformer substation power distribution unit steel frame is not protected, the steel structure will be corroded by surface water in soil easily, a traditional protective cap is formed by plain concrete through cast-in-place, and site construction is difficult. According to the technical scheme, the protective cap for the column base of the transformer substation power distribution unit steel frame comprises a plastic cap body, and is characterized in that the cap body is formed in a manner that two half cap bodies are in butt connection left and right in a sealing mode, a locating hole for sealing connection is formed in the center of the upper end face of the cap body, one half locating hole is formed in the upper end face of each half cap body, a grease injection port is formed in the upper end face of one of the half cap bodies, grease can be injected into an inner cavity of the cap body through the grease injection port, and a sealing piece is connected to the grease injection port. All parts of the protective cap for the column base can be machined on site through a mould and installed on site, and therefore the protective cap for the column base is convenient to dismount and mount; besides, the protective cap for the column base has good integrality and water tightness.

The invention provides a combined water feed tank. Vertical sealing strips are arranged between combined plates. The vertical sealing strips are connected with a horizontal sealing strip through three-way connecting parts. The combined plates are fixed through bolts, and the combined plates and a base plate are fixed through bolts. Sealing tapes and the connecting parts for sealing can be configured according to the size of the combined water tank. The combined water tank connecting blocks are wrapped and fixed through the bolt, and the sealing tapes and the connecting parts for sealing are pressed to obtain the combined water feed tank. Accordingly, the defects that a water tank cannot be subjected to solution treatment after welding, can only be coated with passivation paste or be subjected to polishing treatment, the corrosion resistance of weld joints is reduced, and intercrystalline corrosion and stress corrosion occur are overcome, and the service life of the water tank is effectively prolonged. Since the combined water feed tank is free of welding and hazardous gas emission, the environment is purified, and physical and psychological health of welders is guaranteed.

The invention provides an oil seal device for a digital PCR chip, which comprises a substrate, wherein the substrate is made of an aluminum material, a groove is formed in the middle part of the substrate, the groove is used as a container for placing a reaction chip, an upper cover is arranged on the groove, the upper cover slides relative to the substrate to seal a chip, and paraffin oil with athickness of 0.3-0.5 mm is used as an oil seal structure at the position, corresponding to the chip, of the upper cover; a plurality of springs are arranged at the upper end of the inner side wall ofthe groove, one end of each spring is connected with the upper cover, and the side face of the groove in the upper side of the upper cover after the upper cover is buckled is an oil sealing face. By means of full-closed and semi-automatic operation, the manual operation process is reduced, and therefore errors caused by manual operation can be reduced to the maximum extent; a good heat-conductingmedium is selected, so that the heat conductivity of the device as a reaction chip container is fully guaranteed, and the stability of reaction conditions is fully guaranteed; the upper cover surfaceis made of the materials and of a structure that can fully guarantee later result detection effectiveness.