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237results about How to "Flexible opening and closing" patented technology

Folding driving mechanism for air conditioner air intake grid

The invention discloses a drive for opening / closing an air-intake grid of an air conditioner, which comprises a casing of the air conditioner, an air-intake grid that can open / close on the casing, and a drive to open / close the air-intake grid. The drive is a fully integrated gear rack drive that can make the air-intake grid open / close. The output part of the fully integrated gear rack drive, namely the rack, is connected with the air-intake grid. The structure of the drive comprises a main driving mechanism at one end of the casing of the air conditioner and a driven mechanism at another end of the casing of the air conditioner, and the main driving mechanism and the driven mechanism are respectively arranged in a left and a right half closed box. By a step motor and a pinion on the shaft of the motor, a bull gear is driven, a first gear that is coaxial with the bull gear drives a first rack at the left side. A second gear that is coaxial with the bull gear drives first driving gears at the two ends of a long shaft, and a second driving gear drives a second rack at the right side. The synchronous and same-directional movement of the first rack and the second rack realize the synchronous movement of the air-intake grid at left and right side, so that the grid will open when the air conditioner is on, and close when the air conditioner is off.
Owner:HAIER GRP CORP +1

Button opening-closing type sandwich interlayer pressure pan

The invention relates to a button opening-closing type interlayersandwich pressure pan comprising a pan body, pan ears, a pan cover handle and a compound pan bottom. A regulating valve and a safety valve are arranged on a cover panel of the button opening-closing type sandwich pressure pan, a set of dragged opening and closing mechanism drives a pair of moving slide blocks on the cover panel, one ends of the slide blocks are welded with pressure opening-closing rings, a cover and the pan body are banded hooped by a pair of rings, the pressure cover is closed or opened along with the opposite or reverse movement of the opening-closing rings, a button is pressed to generated dragging force so that rocking bars are scratched up and down to drive a vertical side gear, and then the vertical side gear is meshed engaged with a circular gear through racks on the other ends of the slide blocks and is driven to the slide blocks to drag the opening-closing rings. A clip sleeve is arranged on the pan body in which a one-way valve is arranged, and the air pressure in the clip sleeve is 0.3 KPa-0.5 KPa; and the air pressure in the pan is controlled to 0-1 bar by the regulating valve. The sandwich interlayer pressure pan has the advantages of stable and firm structure, good safety, high efficiency, energy saving and convenient use, has the functions of smoldering, pressure maintaining and reboiling without fire and is suitable for various pressure pan cookers.
Owner:XINXING XIANFENG STAINLESS STEEL PROD MFGR CO LTD

Nozzle structure at bottom of refining furnace and nozzle filling method

InactiveCN101579733AClose tightlyReduce the phenomenon of loose flow pouringMelt-holding vesselsBrickRefractory
The invention relates to a nozzle structure at the bottom of a refining furnace and a nozzle filling method. The nozzle structure at the bottom of the refining furnace comprises a seating brick, a nozzle brick, refractory lining, a refining furnace base, a plug, a rotatable bracket and a supporting frame, and is characterized in that: the nozzle brick is manufactured by adopting aluminum-carbon refractory material taking resin as bonding agent, and the chamfer angle of the upper mouth of an inner cavity of the nozzle brick is R58mm. The nozzle filling method comprises the following steps: in the situation that the lower mouth of the inner cavity of the nozzle brick is plugged and locked by the plug, cast-iron scrap is filled in the inner cavity of the nozzle brick to the height of 80-120mm and tamped, and then flow guiding sand is filled at the upper layer of the cast-iron scrap to the upper edge of the inner cavity of the nozzle brick and tamped so as to complete the plugging and filling of the nozzle, wherein the flow guiding sand adopts zirconium flow guiding sand. The invention has the advantages that: the aluminum-carbon refractory nozzle brick taking resin as bonding agent can meet the requirement of multi-box casting of the refining furnace, simultaneously the radian at the upper end of the inner cavity of the nozzle brick is changed from R90 to R58, the nozzle is tightly closed in the casting process, and the use of the zirconium flow guiding sand and the improvement of the filling method realize that multi-box casting molten steel of the refining furnace can automatically flow out along with the falling of the flow guiding sand, thus achieving the purpose of automatic casting.
Owner:INNER MONGOLIA FIRST MACHINERY GRP

Multifunctional manual clamp holder for drilling rig

A multifunctional manual clamp holder for a drilling rig comprises a manual clamping device, a drill stem centralizing mechanism and a dust collection device. The manual clamping device is detachably fixed onto a feeding body of the drilling rig, a quadrangular prism portion for clamping is formed at a proper position of a drill stem body, the drill stem centralizing mechanism is arranged in the manual clamping device, and the dust collection device is arranged at the front end of the manual clamping device. The manual clamping device comprises a body mounting frame, a guide plate, outer retaining plates and a fastening plate; the drill stem centralizing mechanism comprises a guide bearing and an outer end cover; the dust collection device comprises a main frame, a dust seal ring and a rubber cover. The multifunctional manual clamp holder for the drilling rig is simple in integral structure, convenient to mount and demount, flexible in opening and closing and capable of reducing radial movement of the drill stem; due to integration of the manual clamping device, the drill stem centralizing mechanism and the dust collection device, coal dust and stone chips generated in a drilling process are effectively prevented from entering gaps of the clamp holder, and construction environment is improved while flexibility in opening and closing of the clamp holder is guaranteed.
Owner:XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP

Double valve body core pipe valve

A double valve body core pipe valve is the main part of a double valve body core pipe valve plate in a core pipe valve mother series invented by the inventor originally. A valve core pipe wrapped in an outer valve body inner cavity is a fixed part which coaxially penetrates through a sleeve pipe I of a valve body, a valve body inner cavity and a sleeve pipe II of the valve body. An axial interlayer is arranged in the middle of the valve core pipe. The two adjacent axial edges of the interlayer are provided with at least one radial communicating hole of the input section and the output section.An annular valve core surrounding the interlayer and an annular valve seat of the larynx part of at least one of the sleeve pipe I and the sleeve pipe II form a sealing pair. The difference of the outer diameters of the input section and the output section is larger than or equal to 0. The input section and the sleeve pipe I as well as the output section and the sleeve pipe II are in shaft hole type fit, and at least one combined part is sealed. Under the action of bidirectional potential energy, the valve body does axial reciprocating motion in an outer valve body inner cavity, and opening,closing and function conversion are achieved. Opening and closing resistance is small, leakage is avoided, extending characteristics are wide, safety, reliability and flexibility are achieved, maintenance is reduced, efficiency is improved, and the double valve body core pipe valve adapts to various work conditions.
Owner:卢星霖

Shuttle type vibration damping break valve

InactiveCN101220867AFlexible opening and closingIncreased opening and closing sensitivity and reliabilityValve members for absorbing fluid energyLift valveRetaining ringHigh energy
The invention provides a shuttle-typed damping check valve, which solves the problem that the existing check valve has insensitive start and closeness, much noise and high energy consumption. The vertical communication section (34) of the inlet passage (28) and the outlet passage (29) of a valve body (1) are provided with valve seats (30); a guide sleeve (31) which is arranged above the valve seat is connected with the valve body (1) or a valve seat (4); the column surface of the guide sleeve is provided with a through hole (33) and the guide sleeve is movably matched with a valve flap; the valve flap (2) is hermetically matched with a valve seat (30); a valve rod (17) is connected with the valve cover (4) through a thread; the lower end surface of the valve rod (17) is an arc surface which is contacted with the bottom plane point of the internal chamber of the valve flap (2); the valve rod (17) is connected with a retaining ring (3); the lower surface of the retaining rind (3) is contacted with the step surface of the internal chamber of the valve flap (2); the upper surface of the retaining ring (3) is contacted with the lower end surface of a liner (23); the internal wall of the liner (23) is connected with the thread of the external wall of the valve rod (17); a flexible pad or a damping element (24) is arranged between the upper surfaces of the flange of the liner (23) and the valve flap (2).
Owner:WINJET HIGH TECH INVESTMENT BEIJING

Bottle blank distance separating mechanism for plastic bottles

ActiveCN106313483AReduced opening and closingRealize the separation effectDomestic articlesEngineeringPlastic bottle
The invention discloses a bottle blank distance separating mechanism for plastic bottles and aims to overcome defects that existing bottle blank distance separating mechanisms can realize bottle blank distance separation only and cannot move blanks to mold closing stations. According to the technical scheme, the mechanism comprises a rack and guide rails; a distance separating assembly comprising a clamping jaw fixing seat, a clamping jaw and a distance separating chain plate is arranged on the guide rails; a distance separating groove which is parallel with the guide rails and comprises a bent transition section is formed in the rack; a left distance separating groove section and a right distance separating groove section which extend from two ends of the bent transition section of the distance separating groove are straight grooves and have equal distances with the guide rails, and the distance between the left distance separating groove section and the guide rails is larger than that between the right distance separating groove section and the guide rails; and a moving piece capable of moving in the distance separating groove is arranged in the distance separating groove and is connected with the distance separating assembly. The mechanism has the advantages as follows: the moving travel of the bottle blanks is effectively increased, a blank moving mechanism is omitted, the bottle blank distance separating mechanism can move the blanks to a mold closing station, can separate distances reliably and has the long travel, and fault points are effectively reduced.
Owner:张士生

Anti-jamming pneumatic slide plate gate of pulverized coal pipeline and work method based on anti-jamming pneumatic slide plate gate

The invention discloses an anti-jamming pneumatic slide plate gate of a pulverized coal pipeline and a work method based on the anti-jamming pneumatic slide plate gate. The anti-jamming pneumatic slide plate gate comprises a rectangular frame which is connected with the pulverized coal pipeline through fixing bolts, wherein a slide plate which can block airstreams in the pulverized coal pipeline is arranged in the center of the rectangular frame; the rectangular frame comprises a front side frame, a rear side frame, a left side frame and a right side frame; the left and right side frames are separately provided with a sliding rail, so that the slide plate can slide along the sliding rails of the rectangular frame; the slide plate is connected with a slide plate draft device; asymmetrical chevron air passages are arranged above the rear side frame; symmetrical chevron air passages are arranged below the rear side frame; the air passages are all connected with compressed air pipelines; the compressed air pipelines are connected with a compressed air source; electromagnetic valves are arranged on the compressed air pipelines; the electromagnetic valves are connected with compressed air control systems; and in processes of inserting the slide plate into the rectangular frame and pulling the slide plate out of the rectangular frame, dust accumulated on the upper part, the lower part, the front part and the rear part of the slide plate is cleaned through airstreams in the compressed air pipelines, so that the problem of jamming of the slide plate caused by large friction force of the dust is solved.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +2

Improved piston-type control valve

The invention discloses an improved piston-type control valve. The improved piston-type control valve comprises a valve body, and a piston cylinder, a piston and a spring which are arranged on the valve body, wherein a liquid inlet channel and a liquid outlet channel are formed in the valve body; a communicating hole is formed between the liquid inlet channel and the liquid outlet channel; the upper end of the piston is matched with the piston cylinder in a dynamic sealing way; the piston is matched with the piston cylinder to form a movable cavity; the piston can move between a closed position for plugging the opening at the upper end of the communicating hole and an open position far away from the communicating hole; an anti-cavitation cover is arranged at the lower end of the piston. According to the improved piston-type control valve, the anti-cavitation cover is arranged on the piston, so that the phenomenon of cavitation in the communicating hole can be reduced, or even be prevented; moreover, according to the improved piston-type control valve, the piston can also be opened and closed more flexibly, so that the abrasion of the valve seat and the piston cylinder can be reduced, and the service life of the valve seat and the piston cylinder can be prolonged; in addition, a valve cover can also be replaced by reasonably arranging the position of the piston cylinder, so that the cost of machining and manufacturing is reduced.
Owner:GUANGDONG YONGQUAN VALVE TECH

Oil pipeline clamping fixture

The invention discloses an oil pipeline clamping fixture comprising a base plate and an adjusting plate. The end of the base plate is hinged to the end of the adjusting plate, each of the base plate and the adjusting plate is provided with a clamping piece, and the clamping pieces are connected with the base plate and the adjusting plate through bolts. The oil pipeline clamping fixture further comprises pressure claws and connecting rods, each pressure claw is hinged to the upper end portion of each clamping piece, each clamping piece is further provided with a hydraulic cylinder, one end of each connecting rod is hinged to the middle of each pressure claw while the other end is hinged to a connecting piece, and a telescopic end of each hydraulic cylinder is connected with the bottom of each connecting piece. For strengthening stability of placement of the bending oil pipe, a bending portion of the bending oil pipe is placed in the clamping piece of the adjusting plate, a straight line portion is placed in the clamping piece of the base plate, the base plate and the adjusting plate form loose-leaf connection, and an included angle between the base plate and the adjusting plate is enable to change along with the winding path of the bending oil pipe, so that the connecting rods enable the pressure claws to be more flexible in opening and closing, and stability affected by vibration of the hydraulic cylinders during opening and closing of the pressure claws is also avoided.
Owner:CHENGDU KESHENG PETROLEUM TECH

Detachable compression dustbin

The invention discloses a detachable compression dustbin. The detachable compression dustbin comprises a rear door locking mechanism. The rear door locking mechanism comprises locking oil cylinders, locking arms, L-shaped connecting rods and ejector rods, wherein the middle portions of the locking arms are hinged to the lower rear portions of the side faces of the dustbin body through first hinge pins; the upper ends of the L-shaped connecting rods are hinged to the two sides of the dustbin body through second hinge pins, and the lower ends of the L-shaped connecting rods are hinged to the locking oil cylinders through third hinge pins; one ends of the ejector rods are hinged to the middle portions of the L-shaped connecting rods through fourth hinge pins, and the other ends of the ejector rods are hinged to the front ends of the locking arms through fifth hinge pins; grooves are formed in the rear ends of the locking arms and matched with sixth hinge pins fixed to the side faces of a rear door; locking hooks are fixed to the rear ends of the side faces of the dustbin body, and seventh hinge pins are fixed to the middle portions of the two sides of the rear door and matched with the locking hooks. When the rear door is locked, the centers of the second hinge pins, the centers of the fourth hinge pins and the centers of the fifth hinge pins are located in the same straight lines which are perpendicular to the straight lines formed by connecting the centers of the fifth hinge pins and the centers of the first hinge pins. According to the detachable compression dustbin, the rear door is flexible to open and close and reliable in locking.
Owner:漳州科晖专用汽车制造有限公司

Large-capacity E-bank verification module issuing system for financial self-service system

The invention discloses a large-capacity E-bank verification module issuing system for a financial self-service system. The large-capacity E-bank verification module issuing system for the financial self-service system comprises storage boxes (1), pushing mechanisms (2), a transmission mechanism (3), a scanning mechanism (4), a gate mechanism (5) and a recovery box (6). The number of the storage boxes and the number of the pushing mechanisms are both N. A plurality of stacked E-bank verification modules are stored in each storage box, and the pushing mechanisms are used for sending KEY boxes in the storage boxes to a transmission channel in the transmission mechanism. The gate mechanism and the recovery box are arranged at the two ends of the transmission mechanism respectively. The KEY boxes are transmitted to the recovery box to be recovered or transmitted to the gate mechanism to be issued to users by the transmission mechanism. The scanning mechanism is used for scanning the identity identification codes on the KEY boxes which pass through the transmission channel. The large-capacity E-bank verification module issuing system for the financial self-service system can automatically issue the E-bank verification modules, has the advantages of automation and intellectualization, and can support issuing of large-capacity KEY boxes.
Owner:HUNAN GREATWALL INFORMATION FINANCIAL EQUIP
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