50results about How to "Reduce sealing links" patented technology

The invention discloses a mass-flow balanced type pressure regulating valve which comprises a valve body (01), a valve cover (02), a valve plug (03), an input channel (106), an output channel (107) and a pressure reducing structure. The pressure reducing structure is a single-stage pressure reducing structure, a piston (10) is arranged in the single-stage pressure reducing structure, one end of the piston (10) is contacted with the valve plug (3) through a compression bar (05), and the other end of the piston (10) is contacted with a regulating spring (19). According to the technical scheme, the single-stage pressure reducing is achieved, a piston type structure is adopted by a pressure reducing cavity, the piston assembly of the mass-flow balanced type pressure regulating valve is different from a traditional diaphragm type structure, and therefore the risk of damaging of a diaphragm caused by mass flow and large pressure fluctuation is reduced.

The invention relates to an environment-friendly water saving working method of washing machine and a washing machine thereof. The environment-friendly water saving washing machine includes an inner bucket and an outer bucket; the inner bucket is concentrically installed in the outer bucket, and the inner bucket is an integral water storage bucket; the bottom part of the inner bucket is connected with an inner bucket flange, and the inner bucket flange is installed on an upper shaft sleeve of a reducing gear clutch; a second often close unidirectional valve is arranged on the inner bucket flange, and the bottom part of the outer bucket is provided with an electromagnet for controlling the opening of the second often close unidirectional valve; the electromagnet is arranged at the position corresponding to the second often close unidirectional valve, and an elastic push rod is arranged on the electromagnet, and the push rod is just faced to a valve core of the second often close unidirectional valve. The washing machine disclosed in the invention can save water by over 20% and also effectively prevent secondary pollution of clothes; besides, the washing machine is simple in structure, less in sealing links and good in reliability.

The invention discloses a integral manual multi-path reversal valve applied in loader, which includes integral valve, six apertures are drilled in the valve, three of them are connected with oil inputting channel and the return channel, the valve has a inlet and a return outlet connected to the channels, the aperture is assembled with a moving arm valve pole, rotary valve pole, safe valve, overload valve, outlay common single-way valve and hydraulic control lock device, the moving arm valve pole and the rotary valve pole are the solid valve pole, the hydraulic control lock has pilot and double-direction starting functions, it is sealed in the oil path with the circle line. The valve hydraulic oil has no leakage, the inner leakage is small, it can prevent the moving arm form falling, avoids the lock and oversize manipulating force, it is safe and flexible.

The invention discloses a rotary pluggable photoelectric combined connector used in deep sea. The connector includes a plug and a socket which are matched with each other, and the plug includes a plugshell body, a plug elastic capsule body, a plug web, a plug tail plate and a plurality of plug photoelectric insertion cores; the socket comprises a socket shell body, a socket elastic capsule body,a socket web, a socket tail plate, a plurality of socket photoelectric insertion cores and a movable cavity; the connector is also provided with rotary mechanisms capable of covering/uncovering channels cooperating with the socket photoelectric insertion cores and the plug photoelectric insertion cores, and a locking mechanism is arranged between the front end of the plug and the front end of thesocket. The rotary pluggable photoelectric combined connector can adapt to working environments different in depth, and is reliable in sealing, simple to operate and small in required strength for plugging and pulling.

The invention relates to an integrated lift translation protective sealing door. Wherein, its hinge leaf is fixed with upper axle base and lower axle base; said two bases are connected to the prolonged hinge leaf axle via bearings; the upper and lower hinge leaf plates are connected to the upper and lower connecting base plates via the upper and lower torque balance translation support bases; one end of upper and lower torque balance translation support bases is connected to the upper and lower connecting base plate pin axles, while the another end sheathes the prolonged hinge leaf axle; there are spaces between the balance translation support bases and the hinge leaf axle base, and between the pin axle holes and the connecting base plate pin axles; the jack lifter is arranged between the upper hinge leaf and the lower hinge leaf, while its square head of lift end is supported inside the supporting translation base; there is space between the square head and the wall of supporting groove; the inner wall of supporting groove has concave rolling channel embedded with rolling balls. The invention can be widely used in protective projects.

The present invention discloses a dynamic and static submarine optical cable connector box. The dynamic and static submarine optical cable connector box comprises a cylinder, a steel wire metal clad pressing device, and benders; the benders respectively sleeve on the sides of the ends of a dynamic submarine optical cable and a static submarine optical cable; the dynamic submarine optical cable islocked on the cylinder by means of glue filling; the static submarine optical cable is correspondingly arranged on the cylinder through the steel wire metal clad pressing device; a Haval-type structure is used for the cylinder; the cylinder is further correspondingly provided with an optical fiber box; and the cores of the dynamic submarine optical cable and the static submarine optical cable passthrough the cylinder and the optical fiber box, and are fused in the optical fiber box. According to the dynamic and static submarine optical cable connector box provided by the present invention, the cost is reduced; the rapid integration capability of the product is realized; by using the optical fiber box sealing method, the product structure size is reduced and the construction is facilitated; glue filling is used to tightly locking the dynamic submarine optical cable steel wire, metal clad pressing is used to tightly locking the static submarine optical cable steel wire, and mechanical structure design is used to prevent the torsion of the static cable from damaging the dynamic balance of the dynamic cable.

The invention discloses an actuating cylinder with a mechanical lock arranged inside and locking and unlocking methods of the actuating cylinder with the mechanical lock arranged inside. The actuating cylinder with the mechanical lock arranged inside comprises an outer barrel with an inner cavity and a piston rod partially mounted in the outer barrel. The actuating cylinder is structurally characterized in that a moving piston capable of doing reciprocating motion at the end of the piston rod and an elastic lock claw located in a rod cavity are mounted on the piston rod, and a fusiform valve for achieving the differential action of the actuating cylinder is mounted on the outer barrel; and the moving piston is pressed at the end of the piston rod through an elastic element, and a lower position locking groove formed in the outer wall face of the piston rod is arranged between the elastic lock claw and the moving piston and used for cooperating with the elastic lock claw to enable the actuating cylinder to be in a locked state. The elastic lock claw type mechanical lock is arranged at the stretching end of the piston rod of the actuating cylinder and used for locking the piston rod at the full-stretching position. The fusiform valve is mounted on the outer barrel of the actuating cylinder and used for achieving the differential action of the actuating cylinder.

A detachable multi-layered tide seedbed structure with LED light sources and an irrigation system are provided. The seedbed structure comprises a detachable multi-layered tide seedbed and an irrigation system cooperated with the detachable multi-layered tide seedbed. The detachable multi-layered tide seedbed comprises a seedbed framework structure, seedbed tray structures and LED lamp set plates, wherein the seedbed framework structure is orderly connected with a bottom layer, a middle part and a top layer in a detachable way from bottom to top; each seedbed tray structure is placed on the seedbed framework structure; and the irrigation system has a liquid inlet pipe and a liquid return pipeline. The detachable multi-layered tide seedbed structure with LED light sources has a rational and compact structure; multi-layered and multi-rowed seedbed structures can be constructed according to space requirements of a plant factory; the detachable multi-layered tide seedbed structure can be repeatedly used and is simplified in light of design; with rational arrangement of the irrigation system, cluster-type seedbed irrigation can be achieved and individual seedbed irrigation can be realized; spatial layout of the irrigation system is optimized; expansion can be conducted according to the seedbed construction and laying-out forms; and the detachable multi-layered tide seedbed structure with LED light sources and the irrigation system are suitable for small-scale seedling nursing tests and large-scale seedling nursing bases.

The invention discloses a control mechanism for a seal water valve and the seal water valve. The control mechanism for the seal water valve comprises a stator blade mechanism fixedly sealed and covered on a water inlet or a water outlet of a valve inner cavity of the seal water valve and used for forming a fixed circulation channel, a rotor plate mechanism used for forming a movable circulation channel and fit to and rotatably matched with the stator blade mechanism so as to control a water flow amount, and a fastening piece used for sealing an assembly port of a sealed and covered valve bodyand compressing and fitting the rotor plate mechanism onto the stator blade mechanism along an axial direction so as to form axial fastening and positioning. Compression-fit seal between the fasteningpiece and the rotor plate mechanism and compression-fit seal between the rotor plate mechanism and the stator blade mechanism form a double-layer dynamic seal structure. The whole structure is simple, seal links are less, all dynamic seal contacting a water flow adopts binding faces with mirror surface brightness levels for compression-fit seal, and the leakage problem brought by the wear duringa rotation process can be effectively avoided, so that the service life of the whole seal water valve is prolonged.

The invention discloses a coupling for a pumping unit. The coupling comprises two coupling halves. The two coupling halves are respectively connected onto two rotary shafts, a connecting sleeve with internal teeth is arranged at the tail end of one of the coupling halves, external teeth which are matched with the internal teeth of the connecting sleeve are arranged on the outer circumference of the tail end of the other coupling half, and the external teeth are sealed in the connecting sleeve by a sealing sleeve positioned at the rear of the external teeth after the connecting sleeve sleeves the external teeth. The coupling with the structure has the advantages that the coupling half with the external teeth only needs to be nested in the other coupling half when connected with the other coupling half, accordingly, the coupling is quite simple in structure, is low in manufacturing cost and is quite convenient to disassemble, assemble and maintain, and has few components; sealing links are few, the sealing performance can be improved, and leakage of lubricating oil can be prevented; flanges which are traditionally used in connecting procedures are omitted, so that the two rotary shafts can slide relatively, and the coupling can bear certain axial and radial offset when used on equipment such as the pumping unit.

The invention relates to a combined type hydraulic cylinder design structure capable of supplying positive and negative bending roller force, comprising end cylinder bodies 1, pistons 2, a middle cylinder body 3, a dustproof ring 4, connecting rods 5, flange covers 8, a guide strap 9 and seal elements 11, wherein the end cylinder bodies are symmetrically installed at both ends of the middle cylinder body and provided with respective oil passages; the pistons are arranged in all cylinder barrels; the seal elements are configured on the pistons, and one end surface of each piston 2 is provided with a counter bore 7; all the pistons are fixed by the flange covers, and different annular concave grooves are arranged at the inner diameter of the flange covers and used for being respectively provided with the dustproof ring and the guide strap; the connecting rods are inserted into the counter bores of the two pistons which are adjacently, symmetrically and reversely installed; a space limited by the connecting rods can contain a lug boss of an upper roller bearing support 6 or a lower roller bearing support 10 so that the two pistons which are adjacently, symmetrically and reversely installed can supply positive and negative bending roller force; and the same pistons are installed in the cylinder barrel of the middle cylinder body back to back and share an oil passage of the middle cylinder body. The invention has simple structure and few seal steps and auxiliary pipelines and reduces the control degree.

The invention discloses a double-adjusting-gap brake caliper with a parking mechanism. The brake caliper comprises a caliper body; a piston movable cavity is formed in the caliper body; a piston is arranged in the piston movable cavity; an automatic gap adjustment mechanism is arranged in a storage groove of the piston; the part, located at the right end of the piston movable cavity, of the caliper body is provided with a first caliper cavity; a circlip for a hole, a first sealing ring, a screw, a push rod and an eccentric shaft are sequentially arranged in the first caliper cavity from the left to the right; a caliper body hole is formed in the part, located at the upper right portion of the caliper body cavity, of the caliper body; an adjustment shaft, a washer and a screw plug are sequentially arranged in the caliper body hole from left to right; the automatic gap adjustment mechanism comprises a torsion spring, a screw sleeve, a limiting sleeve, a split washer, a limiting retainerring, a limiting gear ring, a rotating pin and a spring piece; and under the action of spring force of the torsion spring, the rotating pin is enabled to approach an oblique groove in the limiting sleeve, so that the gap is automatically adjusted. The brake caliper is reasonable in structure arrangement, compact in structure, small in size and mechanical in gap adjustment, sealing links are reduced, the reliability is improved, and the practicality is good.

The invention relates to a right-angle ball valve with a pressure relief function. The right-angle ball valve comprises a valve body with a valve cavity, a fluid inlet and a fluid outlet are formed inthe different directions of the valve cavity, and the valve cavity is internally provided with a valve element driven by a handle to rotate; the valve element is provided with a valve element flowingchannel, wherein the valve element flowing channel can communicate the fluid inlet with the fluid outlet at the specific rotation angle, and the fluid inlet can be opened or closed through rotation of the valve element; the valve body is further connected with a pressure relief valve; and a pressure relief flowing channel communicating the fluid outlet with an inlet of the pressure relief valve is formed in a base body of the valve body. When the ball valve is closed and opened, the pressure relief capacity can be achieved, the structure is compact, the size is small, and using reliability ishigh.

The invention discloses a thread sealing coupling which comprises a left-half coupling body, a right-half coupling body and an inner gear sleeve. One end of the inner gear sleeve is open, and the other end of the inner gear sleeve is provided with a placement hole. Two stages of stepped holes are formed in an inner cavity of the inner gear sleeve, and a limiting step is arranged at the tail end ofthe right-half coupling body. A key groove is formed in the front portion of the limiting step, and an outer gear sleeve is mounted on the right-half coupling body. The right-half coupling body penetrates the placement hole, and the outer gear sleeve is located in the inner cavity of the inner gear sleeve. An annular mounting end is arranged at the tail end of the left-half coupling body, and aninternal thread and an external thread are arranged on the inner side and the outer side of the annular mounting end. A threaded hole is formed in the opening end of the inner gear sleeve, and the left-half coupling body is mounted at the opening end of the inner gear sleeve. After the structure is adopted, sealing links are few, the sealing property is improved, the joint end and the inner cavityare staggered to further ensure the sealing property, and the threaded connection structure further ensures the sealing property and use for a long time of the thread sealing coupling; and structuraldesign is simple, dismounting and mounting are convenient and rapid, overhauling is convenient, the manufacturing cost is reduced, and the service life is prolonged.

The invention relates to an integral plug-in type hand-operated direction valve. A control mechanism (1) and the upper end of a valve body component (2) are hinged with a hinged support (7) through a pin shaft (6); the hinged support (7) is connected with the upper end of the valve body component (2) through a bolt; a press block (4) is arranged at the lower end of the valve body component (2); the control mechanism (1) and the lower end of the valve body component (2) are in compressed connection through an eyelet bolt (5); valve core components (3) are arranged in the valve body component (2) which is in threaded connection with the valve core components (3) through an inner cavity of the valve body component (2); each control unit (8) comprises one control mechanism (1) and a pair of valve core components (3); and an outlet of the valve body component (2) is directly communicated with outlets of the valve core components (3). The integral plug-in type hand-operated direction valve has the characteristics of safety, speediness and reliability, capacities of providing a high-pressure and high-flow operating fluid and continuously working on site, low fault rate, convenience in assembly and maintenance and the like.

The invention discloses a thermal expansion type ultrahigh-pressure energy conservation device for implementing high-pressure jet by using volume expansion or shrinkage of a liquid medium. The device comprises a No.1 cold-heat exchange water tank and a No.2 cold-heat exchange water tank, and a No.1 cold-heat exchange pipeline and a No.2 cold-heat exchange pipeline are respectively arranged in the two cold-heat exchange water tanks; a water supply switching valve and a water spray switching valve are arranged between the No.1 cold-heat exchange pipeline and the No.2 cold-heat exchange pipeline, and the two switching valves are arranged in opposite directions to realize alternated water spray and alternated water supply; and a refrigerating and heating switching device is arranged between the two cold-heat exchange water tanks. The device is simple in structure; the high-pressure jet is implemented by using the volume expansion or shrinkage of the liquid medium, so that the energy loss in the conversion process is low, the required energy can be furthest obtained, the liquid medium can be reused, the energy is saved, and pollution to the environment is avoided; and the sealing links are few, the sealing requirement is low, and the sealing effect is good.