122results about How to "Turn on labor saving" patented technology

The invention discloses a refrigerator power-assisted door handle assembly and a refrigerator, and relates to the technical field of refrigerators. The refrigerator power-assisted door handle assembly is invented in order to solve the problem that when users use an existing refrigerator handle assembly to eject a refrigerator door away from a refrigerator body, a large amount of labor can be consumed. The refrigerator power-assisted door handle assembly comprises a support, a handle, a connecting rod mechanism and a reset piece. One end of the handle in the width direction is hinged to the support through a rotating shaft, and the other end of the handle is a hand-pulling end. The connecting rod mechanism comprises a first connecting rod, a second connecting rod and an ejector rod. The first end of the first connecting rod is connected with the handle, and the second end of the first connecting rod is hinged to the first end of the second connecting rod. The second end of the second connecting rod abuts against the first end of the ejector rod, and the middle part of the second connecting rod is hinged to the support. The ejector rod can slide linearly relative to the support. The second end of the ejector rod is used for abutting against the refrigerator body of the refrigerator, and the distance from the hand-pulling end of the handle to the rotating shaft is larger than the distance from the connecting point of the handle and the first connecting rod to the rotating shaft. The reset piece is used for applying reset force to the handle. The refrigerator power-assisted door handle assembly can be used in refrigerator power-assisted doors.

The invention discloses a gate valve and a manufacturing process thereof. The gate valve comprises a valve body with a T-joint structure, wherein an opening in the upper end of the valve body is connected with a valve cover; a valve stem penetrates into the valve body; the upper end of the valve stem is vertically connected with a handwheel, and the lower end of the valve stem is connected with a valve plate used for controlling opening and closing; a left connecting pipe and a right connecting pipe are respectively inserted into opposite openings on the left and right of the lower end of the valve body; the inner ends, adjacent to the valve plate, of the left connecting pipe and the right connecting pipe are respectively provided with a valve base; the peripheral surfaces of the left connecting pipe and the right connecting pipe are respectively welded and fixed together with the left and right side surfaces of the lower end of the valve body. Components, such as the valve body, the left connecting pipe and the right connecting pipe, in the gate valve are forged and molded, then are respectively processed and finally assembled without special fixtures, so that the labor strength is reduced, and the machining time is shortened.

The invention relates to an oblique-shaft type hydraulic self-control gate comprising gate piers, a gate floor plate, a gate plate, a waterstop, an oblique shaft and arc hydraulic damping devices. The gate piers are symmetrically and vertically disposed on two sides of the gate floor plate, and the oblique shaft is disposed on the gate pier on one side and is in rigid connection with the gate pier through an anchoring structure; the lower end of the oblique shaft is fixed at the joint of the gate pier on the side and the gate floor plate, and the upper end of the oblique shaft faces the upstream direction of water flow, and the oblique shaft is mounted obliquely with a 45-degree angle formed between the oblique shaft and the bottom edge of the gate pier of the side; the gate is fixed on the oblique shaft, and the arc hydraulic damping devices are arranged between the gate and one gate pier. By the oblique-shaft type hydraulic self-control gate, opening and closing of the gate can be controlled automatically according to the upstream water level, automatic control of the gate through upstream coming water is realized, a working system of unattended operation is realized, and popularization and application in practice are facilitated.

The invention relates to improvement of a turn-over opening/closing device for a hanging-hole cover plate. In the invention, the assisted opening device for a turn-over cover plate adopts a plurality of torsion springs; and frameworks or hanging-hole walls on two axial rotation ends of the cover plate are equipped with revolving chains and door leaf turn-over movement guide rails, and the door leaf at the outermost side of the cover plate is connected with the revolving chains to be pulled. The turn-over opening/closing device has the beneficial effects that the torsion springs are combined with the revolving chains for assisted opening, which realizes simple opening structure and more stable opening/closing operation without adding occupied space, and maximally preserves effective space of a hanging hole, thus the device is more applicable to opening and closing the cover plate for multiple door leaves; the cover plate can be manually opened/closed and can be also opened/closed in a power-driven manner, and the cover plate can be firstly transformed by a component as required; and the assisted opening device is of a fully mechanical structure without damage, and has high service reliability and less maintenance workload.

The invention discloses a fully-sealed ultrathin food container. The container comprises a box cover and an open box body, wherein the box cover is provided with a downward-opened annular groove consisting of an inner groove wall, a groove top and an outer groove wall; the box body is provided with a box opening composite edge consisting of an inner straight edge, a flat edge and an outer straight edge; the groove is sleeved and buckled at the box opening composite edge; the inner side face of the outer groove wall of the groove is provided with a bump which latches the lower end part of the outer straight edge of the box opening composite edge; the outer straight edge of the box opening composite edge obliquely extends downwards and outwards and the lower end part of the box opening composite edge supports against the inner side face of the outer groove wall of the groove; the inner straight edge of the box opening composite edge or the inner groove wall of the groove is vertical; and the inner groove wall of the groove and the inner straight edge of the box opening composite edge support against each other and form an included angle of between 1 and 12 degrees. Due to the adoption of the scheme, the container has the advantages of stable inner sealing structure and the easy opening of the box cover compared with the prior art.

The invention discloses a two-stage pressing manhole device, which belongs to the technical field of sealing of manholes of powdery cargo storage tanks. The two-stage pressing manhole device comprises a manhole cover, a lock pin device, a manhole collar device and a pressing device, wherein the manhole collar device comprises retaining rings, a rotating shaft, a rib plate and pressing lug plates, the manhole cover is hinged to the manhole collar device through the rotating shaft, the lock pin device penetrates through the manhole cover and the pressing lug plates, and the pressing device comprises a pressing shaft and pressing shaft connecting plates. The pressing shaft penetrates through upper shaft holes of the pressing shaft connecting plates, the rotating shaft penetrates through lower shaft holes of the pressing shaft connecting plates and retaining rings, and the pressing shaft can rotate in the pressing shaft connecting plates. The device is still capable of achieving a sealing effect after a seam is formed between the manhole cover and a manhole collar.

The invention discloses a roof ventilator which comprises a structure support, wherein a rain baffle is arranged on the upper portion of the structure support, outer protective plates and water collection chutes are symmetrically arranged on the two sides of the structure support, and symmetrical exhaust outlets are formed between the rain baffle and the outer protective plates on the two sides. The roof ventilator is characterized in that a middle suspension valve plate and an electric push rod are arranged on the structure support and located at the position of each exhaust outlet, the middle of each middle suspension valve plate is hinged to the structure support, one side of each middle suspension valve plate is connected with the corresponding electric push rod, and each exhaust outlet can be closed by the corresponding middle suspension valve plate driven by the corresponding electric push rod after the middle suspension valve plate overturns. The roof ventilator has the advantages that the structure is reasonable, opening can be achieved effortlessly, damage does not occur easily, maintenance is convenient, external rain, snow and sand can be prevented from flowing backwards into a roof ventilation opening along with wind when the valve plates are opened, a closed shell communicated with a building can be formed when the valve plates are closed, the ventilation quantity adjusting function and the external air backflow adjusting function can be achieved by adjusting the opening degree of the valve plates, the long-term and effective lighting effect can be guaranteed, and manufacturing cost is low.

The invention relates to a self-closed anti-blocking water faucet which is suitable for the old and children vulnerable groups and has small opening force when in use and has no need to open faucet dredging water-replenishing small holes after long-time usage; the self-closed anti-blocking water faucet comprises a three-way valve body, a valve core assembly is arranged in the valve body, the inner part of the valve core is separated into a water inlet chamber, a water outlet chamber and a control chamber by the valve core assembly, the valve core assembly is composed of a middle washer, a piston, a cylinder sleeve, a spring, a valve rod, a small O-shaped ring, a large washer, a small washer and a large O-shaped ring; a needle-shaped anti-blocking pin is arranged at the top part of the lower end of the valve rod, and the lower end of the anti-blocking pin enters the water-replenishing small holes below the piston; as the water faucet is opened only by applying force to overcome the friction force of the small O-shaped ring and the tensile force of the spring, therefore, the self-closed anti-blocking water faucet has the advantages of easy opening and labor saving; as the needle-shaped anti-blocking pin is arranged at the top part of the lower end of the valve rod, the anti-blocking pin can move up and down to dredge the water-replenishing small holes one time when the water faucet is opened one time, thereby no need of dredging the water-replenishing small holes by opening the water faucet after long-time usage and bringing great usage convenience to the old and children vulnerable groups.

A drain valve for the toilet cistern features that shear rotation between the sealing surfaces of moving and static ceramic rings is used to open or close it. Its advantages are no leakage, long service life and small opening force.

The invention relates to a rotary gate automatically controlled by waterpower and provided with a horizontal shaft. The rotary gate comprises a lock chamber, bearing bodies, a gate shaft, a rotary gate body, suspension mechanisms, a cover plate bridge, a service bridge, a water-stopping unit and hydraulic vibration-damping units. Each bearing body is composed of a bearing groove, a bearing, a bearing gland and a bolt; the gate shaft is fixed in the bearing grooves through the bearings; the upper end of the rotary gate body is installed on the gate shaft through the suspension mechanisms; each hydraulic vibration-damping unit is composed of a piston cylinder, a piston and a piston rod; and each piston cylinder is connected to the service bridge at the side in the downstream direction through a bridge hinge, and each piston rod is connected to the lower end of the rotary gate body through a gate hinge. According to the invention, the state of water flow in the lock chamber is stable, the water storage and discharge capacity can be improved, the automatic opening and closing of the rotary gate can be controlled completely by means of the condition of upland water, the opening degree of the rotary gate can be automatically adjusted at any moment along with the water level change, and the problem of siltation in front of the gate can be solved.

The invention discloses a self-closed check valve which comprises a valve casing and a plunger, the plunger is connected with the valve casing in a sliding mode, the valve casing is provided with a liquid inlet pipe, a liquid outlet pipe and a hole shoulder, the hole shoulder is arranged between the liquid inlet pipe and the liquid outlet pipe, the plunger is provided with a valve plate, the self-closed check valve further comprises a spring and a sealing cover, one end of the spring is connected with the valve plate, the other end of the spring is connected with the sealing cover, and the sealing cover is connected with the valve casing. The self-closed check valve has the advantages that the spring is arranged, the valve plate can be closed automatically, the reliability of the whole check valve is improved, and backflow of fluid is prevented; meanwhile, a lever structure formed by a handle is arranged, so that opening is rapid and effortless.

The invention discloses a lever type automatic closing valve. Two valve door plates comprise arcs-shaped panels and fan-shaped side plates at two sides; a discharging opening formed in the lower end of a hopper is just sealed by the arc-shaped panels of the two valve door plates; the fan-shaped side plates at two sides are fixedly arranged at two sides of the arc-shaped panels; the upper end of each fan-shaped side plate is hinged to the outer side of the discharging opening of the hopper; the inner side of a hinging shaft of the two valve door plates is provided with mutually engaged gears; one end of a rope is connected with one valve door plate; the other end of the rope is connected with the end part of one end of a first lever; the end part of the other end of the first lever is hinged to a substrate; a connecting rod is in vertical arrangement; the upper end of the connecting rod is hinged onto the first lever; the lower end of the connecting rod is hinged to the end part of oneend of a second lever; the second lever is hinged to the substrate. The lever type automatic closing valve has the advantages that the valve can be opened in a labor-saving way; the effective controlof loading is realized; the labor is used in the whole process; the external connection of a power supply is not needed; safety and convenience are realized; the wharf loading and unloading efficiencyis improved.

The invention provides a profiling stripping structure applied to die opening engineering of a U-shaped workpiece drawing die. According to the structure, skirt edges are arranged on the two sides ofthe width direction of a U-shaped workpiece, the profiling stripping structure comprises a profiling stripping mechanism arranged on a lower die mechanism, wherein the profiling stripping mechanism comprises an upward ejection driving part and a profiling stripping block, the profiling stripping block is located in a preset space in a male die of the lower die mechanism in an initial state, a driving shaft of the upward ejection driving part is connected with the profiling stripping block, the driving shaft is of a V-shaped bending structure, and the upward ejection driving part drives the profiling stripping block to move upwards and ejects the U-shaped workpiece in the direction deviated from a male die of an upper die mechanism during die opening. Compared with the prior art, the structure can be used for effectively solving the problem that an ejection block damages the skirt edges during auxiliary stripping, so that the product yield is improved.

The invention relates to a valve, in particular to an antibiotic stop valve which is used in medicinal biochemistry field and takes antibiotic as medium. The invention provides the following technical scheme: an antibiotic stop valve comprises a valve body, a valve cap, a valve clack and a valve rod linked with the valve clack; wherein the valve cap is internally provided with a valve rod moving space which is vertically arranged to the connecting passage on the valve body, the valve clack comprises a coupling end and a sealed end, the coupling end thereof is extended into the moving space on the valve cap and is connected with the valve, the sealed end is arranged in the connecting passage and is arranged toward a sealing socket, a sealing assembly which forms sealing between the moving space and the connecting passage is arranged between the moving space of the valve cap and the connecting passage of the valve body, the sealing assembly is arranged between the coupling end and the sealed end of the valve clack, and the sealing assembly comprises a plurality of seal rings. By adopting the technical scheme, an antibiotic stop valve with easy assembly, simple structure, sterile source and low cost is provided.

The invention discloses a dual-purpose opener a lengthened arm of force. A hook-shaped opening head is arranged at the front end of an iron cap opener body, a rivet at the other end of the iron cap opener body axially penetrates through a bend-nose-shaped locking sheet, a guiding slideway is fixedly connected in the groove of the iron cap opener body by rivets, a sliding body with a tooth-shaped upper end is arranged in the groove of the guiding slideway, a protrusion is arranged at the position vertical to one end of the sliding body, and the upper end of the protrusion is connected with a spiral rotary cone by the rivet. When in use, the hook-shaped opening head at the front end of the iron cap opener body opens the iron cap, the spiral cone opens a soft plug, the sliding body slides back and forth to lengthen the arm of the force when different caps are opened, thereby the invention is convenient and labor-saving to use.

The invention relates to a lock body of a handle lock. The lock body of the handle lock comprises a lock case, an inclined tongue assembly and a first toggle block, wherein the inclined tongue assembly comprises an inclined tongue, an inclined tongue shaft connected with the inclined tongue, a limiting sliding block and a spring, the limiting sliding block and the spring are arranged on the inclined tongue shaft in a sleeved mode, and the first toggle block drives the inclined tongue to slide along the inclined tongue shaft in the axial direction. The lock body of the handle lock is characterized in that a handle button and a second inclined tongue toggle block are arranged on the lock case, the second inclined tongue toggle block is connected with the lock case in a hinged mode, one end of the second inclined tongue toggle block is connected with the limiting sliding block in a linkage mode, and the other end of the second inclined tongue toggle block is connected with the handle button in a linkage mode. The lock body of the handle lock has the advantages that the button is pressed downwards to unlock the inclined tongue lock, the structure is simple, the design is reasonable, and using is convenient.

The invention relates to a multifunctional well lid. The multifunctional well lid comprises a base and a lid body, wherein a well mouth is arranged on the base; the lid body is hinged on the base for sealing or opening the well mouth; a joint of the lid body and the base is equipped with a well lid power-assisted opening device; the lid body is equipped with a secondary well mouth; a secondary lid body for sealing or opening the secondary well mouth is arranged on a position, in the secondary well mouth, of the lid body; and a locking device for locking the secondary lid body to the lid body is arranged between the secondary lid body and the lid body. With the adoption of the scheme, the invention provides the multifunctional well lid which opens the lid body conveniently and quickly in a labor-saving mode, and does not need to completely open the lid body when the well lid is frequently operated.