43 results about "Four-bar linkage" patented technology

This invention provides a hood hinge structure and a vehicle. The hood hinge structure includes a connecting seat for connecting to the hood, a fixing seat for mounting on the vehicle body, and a first link and a second link. Both the first link and the second link are hinged between the connecting seat and the fixing seat, forming a four-bar linkage with the connecting seat and the fixing seat. When the hood is closed, viewed from the left-right direction of the vehicle, there is a preset distance, no greater than 10mm, between the intersection point K of the extension lines of the first link and the second link and the rear tip P of the hood. The hood hinge structure of this invention sets the preset distance range between the intersection point K of the extension lines of the first link and the second link and the rear tip P of the hood, ensuring that the movement trajectory of the rear tip P of the hood and the rear tip S of the lower edge of the hood tends to move away from the rear of the hood and fender seam. This prevents the rear tip S of the lower edge of the hood from rotating and overlapping with the fender, thereby helping to avoid paint peeling on the fender.

The utility model belongs to but is not limited to the agricultural machinery technical field, especially relates to a kind of liftable device for flue-cured tobacco dry-wet alternate seedling, mainly by seedling facility unit module, lifting device module and track network system constitute.The seedling facility unit module adopts aluminium alloy perforated backing plate with quick detachable locking mechanism and integrated tooth group locking and double "X" type support of chrome plated light axle direction, and synchronous lifting (precision ±0.5mm) is realized by Φ40mm rigid synchronous shaft linkage.The lifting device module is driven worm wheel elevator by servo motor, and power is transmitted through cross torque distributor and four-bar linkage mechanism.The track network system integrates hydraulic support leg (synchronous precision ±0.2mm) and interference fit track, supports AGV automatic movement operation.The device monitors substrate water and fertilizer state by EC sensor, automatically controls seedling tray and nutrient solution contact-disengagement cycle, realizes accurate dry-wet alternate seedling, effectively improves seedling efficiency and automation level.

The utility model discloses a mobile energy storage heat exchange vehicle with energy absorption and release functions, and relates to the technical field of heat exchange vehicles, the mobile energy storage heat exchange vehicle comprises a vehicle body and a mobile base, the top of the vehicle body is provided with a protective fence, the top surface of the protective fence is fixedly provided with four support columns, the center of the top surface of the vehicle body is fixedly provided with a hydraulic rod, and the hydraulic rod is fixedly provided with a hydraulic cylinder. The telescopic end of the hydraulic rod is fixedly connected with a transverse plate, two connecting arms are symmetrically and rotationally installed between the transverse plate and the movable base through two universal joints, and side supporting plates are perpendicularly fixed to the two sides of the top face of the vehicle body. According to the movable energy storage heat exchange vehicle with the energy absorption and release functions, the stability of equipment in the lifting process is remarkably improved through precise matching of the traction guide rails and the sliding blocks and combination of auxiliary supporting of the bottom idler wheels; quick response deployment is achieved, one-button type lifting of the heat exchanger is achieved by hydraulically driving the four-connecting-rod mechanism, and the field preparation time is greatly shortened.

The present application relates to a kind of lead storage battery pole plate high-precision weighing and sorting integrated device, belong to the technical field of lead storage battery pole plate production equipment, to solve the low degree of automation, low efficiency, the problem of poor precision existing in the present lead storage battery pole plate weighing and sorting technology.The present application includes pedestal part, human-computer interaction part, weighing and sorting part, belt drive conveying part and control device;Among them, weighing and sorting part is driven by rotating rod power transmission device to make parallel four-bar linkage mechanism consisting of rotating rod and rotating fixed rod carry out fast circumferential motion, can weigh each pole plate by high-precision weight sensor while the pole plate moves along the original conveying direction, while automatically sorting the pole plate according to weight interval, effectively increase the degree of automation, precision and efficiency of pole plate weighing and sorting process;By automatic high-precision pole plate weight measurement and sorting, the performance of lead storage battery can be significantly improved.

Support assemblies, assemblies incorporating support assemblies, and methods for providing and operating support assemblies are disclosed. A support assembly as disclosed herein includes a base interconnected to a platform by first and second crossed four bar linkages. The first crossed four bar linkage occupies a plane that intersects a plane occupied by the second crossed four bar linkage. Each of the links in each of the crossed four bar linkages includes a clearance feature that establishes an open volume around a central axis or center line of the support assembly. Actuators can cause the platform to tilt relative to the base by pivoting one or both of the selected crossed four bar linkages relative to the base. Position sensors can be included determine an amount that the platform is tilted relative to the base.

The utility model provides a kind of civil aircraft suitcase hinge, comprising: rocker arm and base, rocker arm below is provided with mounting hole and camshaft, base below is rotatably installed with threaded adjusting shaft, another end of threaded adjusting shaft is rotatably installed in the middle of camshaft, the middle part of base is fixedly installed by rocker arm pivot through mounting hole, rocker arm forms four-bar linkage by camshaft and connecting rod, limiting block is integrated in base, set the minimum opening angle of case door.The hinge system of the utility model is through the innovative "axial compression+radial decoupling" design concept, combined with modular adjustable structure, while ensuring high reliability, realizes the accurate control of case door movement and the convenience of installation and maintenance, breaks through the technical bottleneck that aviation level hinge high reliability and small size are difficult to be compatible, has been successfully applied to multiple civil aircraft luggage compartment system, and has the technical versatility of extending to spacecraft hatch mechanism.

This invention provides a novel four-bar linkage loading and unloading boom for liquid chemical terminals, comprising a support column, an inner boom assembly, and an outer boom assembly. The support column includes a column body and a pivot box, with the side wall of the pivot box connected to the middle and rear ends of the inner boom assembly. The front and rear ends of the inner boom support on the inner boom assembly are hinged to the outer boom support and the lower swing beam on the outer boom assembly, respectively. The front and rear ends of the outer boom tie rod on the outer boom assembly are hinged to the outer boom support and the lower swing beam, respectively. The lower swing beam is hinged to the pivot box via an outer boom drive cylinder. This invention, through the synergistic effect of the four-bar linkage and dual drive cylinders, uses a rigid connection instead of traditional wire rope transmission, effectively solving the technical problems of frequent maintenance and significant safety hazards associated with traditional equipment. It has the advantages of high structural strength, safe operation, and convenient maintenance, and can meet the design requirements of large-diameter / large-tonnage terminals.

A landing gear door retraction device is disclosed, which can be used to open and close the landing gear door of a reusable aircraft. It is characterized by comprising: a door actuator and multiple sets of linkage mechanisms. The device uses an independent door actuator to drive multiple sets of four-bar linkages, making it suitable for aircraft with high flight speeds, limited cabin space, and multi-leaf landing gear doors. It offers significant advantages such as light weight, small size, simple timing, and good synchronization. When the landing gear door is fully open, all three sets of four-bar linkages are near their dead center positions, preventing damage to the door structure caused by actuator overtravel. The door retraction device is located near the side and top walls of the landing gear bay, requiring minimal space and fully utilizing the remaining cabin space after the landing gear is retracted.

This invention discloses a mechanical extension device with an assisted standing function, including a base, a mechanical extension unit, and an actuator. The mechanical extension unit includes a transmission link, a backrest connector, a seat connector, and a backrest rotating rod. The actuator can drive the transmission link to move relative to the base. When the mechanical extension device switches from a normal sitting state to an assisted standing state, the actuator drives the transmission link to move and simultaneously drives the seat connector and the backrest rotating rod to rotate relative to the base through the seat lifting four-bar linkage and the backrest four-bar linkage. The rear ends of both are lifted upward and suspended in the air. At this time, the backrest connector is also lifted along with the backrest rotating rod. The actuator does not need to lift the entire mechanical extension device, and the backrest can also be lifted along with the seat surface, resulting in a better and safer assisted standing effect.

The utility model relates to drainage hole cleaning technical field especially discloses a telescopic mechanism and cutting device of side slope drainage hole, including, main rod and sleeve group, sleeve group is set in the outside of main rod, sleeve group includes first sleeve and second sleeve, first sleeve is connected with second sleeve, this device passes through the thread pair drive design of first sleeve and second sleeve, effectively prevents sleeve group from accidental loosening because of external force, guarantees the axial precision of telescopic movement simultaneously. Through multistage hinged design of first L rod and second L rod, the axial displacement of sleeve group is converted into the radial adjustment of cutting blade. When sleeve group contracts, the exposed length change of hinged rod drives the increase of L type rod included angle, drives cutting blade to be close to drainage hole inner wall. The four-bar linkage mechanism not only realizes the accurate matching of cutting blade and pipe wall spacing, and the double-hinged structure of L type rod enhances the flexibility of blade cutting action, and can effectively cope with the cleaning demand of different forms of attachments such as weeds, tree roots and the like.

The application belongs to the technical field of aircraft wing flexible leading edge design, and particularly relates to an aircraft wing flexible leading edge structure and a design method thereof. An internal driving mechanism is designed to couple four sets of four-bar mechanisms into a single-degree-of-freedom driving mechanism, which can reduce the complexity of the system and significantly improve the load-carrying capacity and deformation precision of the wing flexible leading edge.

The application belongs to the technical field of aircraft design, and particularly relates to a high-lift-coefficient layout aircraft and a use method thereof. The aircraft comprises a fuselage, a hump arranged on an upper middle part of the fuselage, a lower wing connected to the hump, an upper wing located above the lower wing and detachably connected to the lower wing, the upper wing being connected to the lower wing through an actuator and a four-bar linkage mechanism, the separation or adhesion of the upper wing relative to the lower wing being controlled by the actuator, a trailing edge flap and aileron arranged on a trailing edge of the lower wing, a V-tail stabilizer connected to a rear part of the fuselage and a V-tail control surface connected to a tail part of the V-tail stabilizer, and an engine connected to the fuselage. The application can greatly increase wing area and effective angle of attack, and significantly improve take-off and landing lift.

The application belongs to the field of unmanned aerial vehicle launching and provides a connector plugging and unplugging mechanism based on rocket launching of unmanned aerial vehicle, which comprises a box body, a four-bar linkage and a connector plug; the box body is installed at the top of a launching box; the bottom of the box body is provided with the connector plug which can be plugged out and is used for plugging and cooperating with the connector of the unmanned aerial vehicle; the four-bar linkage is installed in the box body and the top of the connector plug is connected with the four-bar linkage; when the connector plug is used for launching the unmanned aerial vehicle, the connector plug is pushed to rise by the movement of the four-bar linkage, so as to be separated from the connector; the connector plugging and unplugging mechanism is integrated in the launching box, the influence of the rocket tail flame can be avoided, the connector plug is unplugged when it moves synchronously with the unmanned aerial vehicle, the connector is prevented from being pulled, and the stability and reliability of the plugging and unplugging action are improved.

This invention relates to the field of seeder technology and discloses a rotary tiller-equipped intercropping seeder, comprising a main frame, a seeding drive assembly, and seeding unit modules. Two ground wheels are mounted at both ends of the main beam of the main frame and output power to the seeding drive assembly. Multiple seeding unit modules are arranged at equal intervals along the main beam of the main frame. Each seeding unit module includes a four-bar linkage, a seeding unit, and a drip irrigation tape laying assembly. It also includes a rotary tiller drive assembly and a rotary tiller weeding assembly. The rotary tiller weeding assembly is located in front of the seeding unit and can perform rotary tillage and weeding on a single intercropping area. The rotary tiller drive assembly is mounted on the main frame and can transmit power from the traction device to each rotary tiller weeding assembly. This invention can rotary tillage and weed to prepare the land in narrow intercropping areas, which is beneficial for subsequent smooth compaction, seeding, soil mixing, and drip irrigation laying operations.

The application provides a folding main beam of a seeding machine and the seeding machine, and belongs to the technical field of agricultural machinery.The application comprises a main beam, a folding side beam, an upper connecting rod, a lower connecting rod, a lifting main oil cylinder and an auxiliary oil cylinder; the lifting main oil cylinder and the auxiliary oil cylinder are connected in parallel in an oil circuit and have opposite action directions; when the lifting main oil cylinder is contracted, the auxiliary oil cylinder is elongated, and vice versa.The application adopts a four-connecting-rod mechanism formed by the parallel arrangement of the upper connecting rod and the lower connecting rod, and combines the lifting main oil cylinder and the auxiliary oil cylinder which are connected in parallel in an oil circuit and have opposite action directions; the auxiliary oil cylinder is first elongated to assist the rotation of the upper connecting rod to increase the torque, and then the folding side beam is driven by the lifting main oil cylinder to rise to the highest point, to move towards the center beyond the point and to be lowered in height; after being folded, the side beam can still be lowered after reaching the highest point, the side beam moves towards the center of the machine tool, and the width after being folded is further reduced, the operation is simple and convenient, and the stability and reliability of the machine tool during transportation can be improved.

This utility model discloses a concrete manhole cover, belonging to the field of manhole cover technology. It includes a main body, with a manhole cover body rotatably connected to the outer surface of the main body. The manhole cover body is movably fitted against the inner walls on both sides of the main body. A connecting component for opening and closing the manhole cover body is provided between the main body and the manhole cover body. Reinforcing components are provided on the outer surface and inside of the manhole cover body to enhance its strength. High-pressure gas drives the piston rod to extend and retract, providing continuous lifting force, reducing manual lifting effort, making it particularly suitable for single-person operation. It forms a stable four-bar linkage with the pneumatic strut, ensuring smooth lifting and lowering of the manhole cover body without the risk of tilting. When opened to the maximum angle, the pneumatic strut's self-locking valve closes, achieving rigid suspension. When closed, the locking pin automatically retracts under pressure from the inner wall of the connecting groove, and after reaching its position, a spring pops out to form a rigid locking. Unlocking is achieved by pulling the lever to trigger the retraction of the locking pin. Operation is simple and safe.

The utility model discloses a kind of connecting mechanism based on centerless grinding machine, it is related to centerless grinding machine auxiliary equipment technical field, and it includes: angle adjusting mechanism, the angle adjusting mechanism is used to adjust the height and inclination angle of connecting mechanism whole, the angle adjusting mechanism includes support base plate, and the lower portion of the support base plate is fixedly connected with four groups of mobile universal wheel;In the utility model, the thread transmission of long screw rod and upper sliding block is driven by hand wheel, linkage first rotating arm and second rotating arm form four connecting rod mechanism, realize the accurate adjustment of support platform height and inclination, adapt to diversification production scene, auxiliary support mechanism adopts the taper self-locking of trapezoidal external thread block and internal thread ring, when rotating internal thread ring, it is squeezed trapezoidal external thread block radial shrink and holds tightly adjusting rod along taper downwards, only needs to rotate reversely when unlocking, and it is automatically released locking force, effectively inhibit the vibration deviation caused by inclination in the operation of conveying belt, improve workpiece transmission stability.

The adjustable waist support assembly comprises a support, a front connecting rod, a rear connecting rod, an upper connecting rod, a lower connecting rod, a lifting seat, a waist support and an air pressure rod, the front connecting rod, the rear connecting rod, the upper connecting rod and the lower connecting rod jointly form a parallel four-connecting-rod mechanism; the lifting seat is movably matched with the lower connecting rod, the waist support is mounted on the lifting seat, and a first elastic element is arranged between the lower connecting rod and the lifting seat; one end of the air pressure rod is hinged to the support, the other end of the air pressure rod is hinged to one of the front connecting rod, the rear connecting rod and the lower connecting rod, and a control button is arranged on the air pressure rod. The angle of the supporting face used for supporting the waist of the user on the waist support is kept unchanged all the time, and the comfort of the waist support assembly is improved. The lifting seat is self-adaptive to the waist height of the user, so that the position change of the height of the waist support caused by the front-back position change of the waist support is eliminated.

The application provides an operating mechanism and a rotary isolating switch, and belongs to the technical field of low-voltage electrical apparatuses. The rotary isolating switch comprises a shell, a linkage middle mechanism and a plastic shell type four-link mechanism arranged in the shell, a rotating shaft for driving a contact of an on-off device connected to the plastic shell type four-link mechanism, and a middle mechanism for connecting a handle. The middle mechanism drives the plastic shell type four-link mechanism to act through the rotating shaft to drive the contact to open and close by operating the handle. Through linkage of the plastic shell type four-link mechanism and the middle mechanism, stability and other characteristics of the plastic shell type four-link mechanism in breaking and tripping are ensured, and the feature that the operating center of a traditional isolating switch coincides with the rotating center of the contact is retained. The plastic shell type four-link mechanism and an energy storage mechanism are arranged on one side of the middle mechanism, and a remote tripping mechanism is arranged on one side of the plastic shell type four-link mechanism. Through overall arrangement, the size of the switch is effectively reduced.

The application relates to a jacquard opening transmission system of a loom and a design method thereof, and belongs to the technical field of jacquard opening of looms. The transmission system comprises a main shaft, a crank rocker mechanism, a parallel four-bar linkage mechanism and two groups of parallel multi-link mechanisms. The multi-link mechanism comprises a rocker slider mechanism. The crank rocker mechanism drives the multi-link mechanism to move, so that vertical reciprocating motion and rotary motion of a lifting knife frame are realized to form an opening. The main shaft can be driven by a servo motor to realize variable speed input. The design method combines rigid body guidance and quick return characteristics. Design equations, transmission function models and evaluation models of the rocker slider mechanism and the crank rocker mechanism are constructed, and the size of the mechanism is optimized. The application has the advantages of low gravity center, simple motion range adjustment, high transmission efficiency, smooth motion and the like, is suitable for looms with different widths, and can improve weaving quality.

This utility model discloses a backrest assembly and a seat. The backrest assembly includes a fixed bracket, a movable bracket, a backrest, a swing rod, a connecting bracket, and a gas spring. The fixed bracket is installed on the seat base or cushion, and the movable bracket is installed on the fixed bracket in a height-adjustable manner. A connecting block is connected to the backrest. The swing rod is located between the backrest and the movable bracket, with its two ends hinged to the movable bracket and the connecting block, respectively. The two ends of the connecting bracket are also hinged to the movable bracket and the connecting block, respectively. The connecting block, the swing rod, the movable bracket, and the connecting bracket together form a parallel four-bar linkage. The cylinder of the gas spring is hinged to the movable bracket, and a connecting seat hinged to the swing rod is connected to the piston rod of the gas spring. A control button is provided on the piston rod of the gas spring, and an actuating element is provided on the connecting seat. This utility model ensures that the backrest provides constant support angle for the user's back and allows for precise adjustment of the backrest's fore-and-aft position.

This application provides an operating mechanism and a rotary disconnecting switch, belonging to the field of low-voltage electrical technology. It includes a housing, within which are a centrally located mechanism and a molded-case four-bar linkage. The molded-case four-bar linkage is connected to a rotating shaft for driving the contacts of the switching device. The centrally located mechanism is connected to a handle. Operating the handle causes the centrally located mechanism to drive the molded-case four-bar linkage, thereby driving the contacts to open and close via the rotating shaft. The linkage between the molded-case four-bar linkage and the centrally located mechanism ensures the stability of the molded-case four-bar linkage in terms of breaking and tripping, while retaining the characteristic of traditional disconnecting switches where the operating center coincides with the contact rotation center. The molded-case four-bar linkage and the energy storage mechanism are located on one side of the centrally located mechanism, and the remote tripping mechanism is located on one side of the molded-case four-bar linkage. This overall layout effectively reduces the switch's size.

The utility model belongs to the field of sliding plug door, concretely refers to sliding plug door door shaft subassembly, sliding plug door drive arrangement, sliding plug door and vehicle. Sliding plug door door shaft subassembly includes door shaft and is fixed on the upper crooked arm of door shaft, still includes the link frame link for hinging with connecting seat, link frame link and upper crooked arm are connected through connecting rod, and upper crooked arm, link frame link and connecting rod form four connecting rod mechanism, and the part of four connecting rod mechanism far from upper crooked arm is hinged with the transmission rod for connecting the swing end of guide frame, to make swing end drive door shaft rotation through transmission rod and four connecting rod mechanism. Sliding plug door drive arrangement includes above-mentioned sliding plug door door shaft subassembly. Sliding plug door and vehicle all include above-mentioned sliding plug door drive arrangement. Through the configuration link frame link and connecting rod, the upper crooked arm of door shaft is changed into a rod of four connecting rod mechanism, and the utility model only needs to adopt shorter transmission rod to transmit the left and right swing of guide frame as the reciprocating rotation of door shaft, saves a large amount of space near door shaft, helps to promote the utilization of vehicle front wall space.

The utility model provides an automatic high -efficient environmental protection weeding device, including beam frame, three point suspension frame is installed on the beam frame, and the left and right sides of the front side of beam frame are symmetrically installed with land wheel frame, and land wheel is installed on land wheel frame, and a plurality of groups of weeding assembly are arranged on the rear side of beam frame, and all weeding assembly is arranged side by side interval, the utility model discloses above -mentioned, adopt modularization weeding assembly cooperation parallel four bar linkage profiling mechanism, ensure that the weeding rate of 95% or above is realized under 3cm standard depth, the combination of articulated beam frame and hydraulic steering system solves the tracking problem of non - straight crop line, controls seedling damage rate, the innovative three -section folding rear beam body design makes the transportation width reduce, and the work state conversion can be completed in a short time, the utility model discloses weeding device is suitable for large -scale farm continuous operation, and can satisfy the fine demand of small plot, and the whole course mechanical weeding prevents the use of pesticide, and the comprehensive operation and maintenance cost is reduced by 25% or more than traditional scheme, is the ideal equipment of modern green agriculture.

This application relates to the field of automotive photovoltaic application technology, specifically to a photovoltaic panel structure for a car roof. This application provides a photovoltaic panel structure for a car roof, including a solar panel assembly. The solar panel assembly includes at least one charging panel unit that can be displaced relative to a fixed frame. The charging panel unit is connected to the fixed frame via a linkage drive mechanism, which is a four-bar linkage mechanism used to drive the charging panel unit to move up and down relative to the fixed frame. The linkage drive mechanism is also equipped with an elastic ejector component, which is located below the linkage of the linkage drive mechanism and is used to apply an upward thrust to the linkage in the unlocked state to unfold the charging panel unit. In this application, the multiple four-bar linkages allow the front and rear linkages to rotate synchronously, ensuring that the lifting speed and lifting height of the four support points of the charging panel unit are completely consistent.

The utility model discloses a kind of electric derailleur for bicycle, including four-bar linkage mechanism, chain tensioning assembly, motor module and power supply;Four-bar linkage mechanism includes base member, movable component and connecting rod mechanism;Chain tensioning assembly includes chain guide wheel, tensioner and tensioning arm;The first end of tensioning arm is rotatably connected on movable component;Tensioner is rotatably arranged at the second end of tensioning arm;Chain guide wheel is rotatably arranged on movable component;Tensioning arm and the rotatable connection of movable component are equipped with reset component;Motor module is arranged on four-bar linkage mechanism, for driving movable component to move relative to base member;Power supply is arranged on four-bar linkage mechanism or chain tensioning assembly, for power supply to motor module.The electric derailleur is large to the tensioning range of chain, not only can make chain keep tension when switching and moving between different chain wheels, but also can keep tension when bicycle is folded;Solved the problem that wiring is difficult, disassembly and maintenance are difficult.

The application discloses a complex terrain obstacle-crossing robot chassis, which is composed of front wheels driven by front drive motors and rear wheels driven by rear drive motors, and can move quickly on a flat ground; the front part of the chassis can be lifted along the edge of a step through the friction of a track, and the overall climbing obstacle-crossing capability is improved; a four-bar linkage mechanism driven by a joint motor is used to lift the rear wheels, and a rear leg mechanism is used to lift the track along the edge of the step, and the front wheels and the rear wheels are synchronously driven, so that the chassis can completely reach above the step; the advantages of the wheel type, the track type and the foot type are integrated, and the motion efficiency and the manufacturing cost are considered on the premise of guaranteeing the obstacle-crossing capability.

The application discloses a standing-up assisting folding lifting chair, which comprises a base, a seat support provided with a seat, a back support provided with a back, a rear end of the back support being hinged to a rear end of the seat support, a back limiting piece being arranged at the rear end of the seat support, a front connecting rod support and a rear connecting rod support, the front connecting rod support and the rear connecting rod support and the base and the seat support together forming a parallel four-bar linkage mechanism, the parallel four-bar linkage mechanism enabling the seat support to keep a flat posture during lifting, a lifting driving mechanism for driving the parallel four-bar linkage mechanism to move, and enabling the front connecting rod support and the rear connecting rod support to swing upward synchronously relative to the base to lift the seat support and the seat, or enabling the front connecting rod support and the rear connecting rod support to swing downward synchronously relative to the base to drive the seat support and the seat to descend and fold on the base. The application has the advantages of compact structure and high safety and reliability.

The utility model relates to the technical field of automobile parts, specifically is a kind of automobile interior and exterior trim hidden four-bar linkage and transparent cover plate structure, including storage box lid, storage box and connecting rod mechanism, storage box lid is set on storage box, connecting rod mechanism is connected between storage box lid and storage box, storage box lid is opened or closed by connecting rod mechanism, the periphery of storage box lid is equipped with lid non-transparent area, lid non-transparent area is used to fix connecting rod mechanism, connecting rod mechanism is arranged below lid non-transparent area, and it is hidden by lid non-transparent area to realize, strip-shaped gap is set to the both sides of storage box, and strip-shaped gap provides movement avoiding space for connecting rod mechanism;The utility model compared with prior art is a kind of hidden four-bar linkage mechanism and transparent cover plate design, completely invisible on vision, suitable for the intelligent opening and closing control of the area such as automobile interior console, storage box, fragrance system or instrument panel and exterior trim, and it has the demand of functional and transparent part.

The utility model discloses a kind of RH furnace slag breaker, including slag breaking support, four-bar linkage, slag breaking lance and linear power device;The four-bar linkage includes first connecting rod and second connecting rod, the first connecting rod and second connecting rod are arranged in parallel, and the first connecting rod is arranged above the second connecting rod with interval, one end of the first connecting rod, second connecting rod is respectively with the two places of the slag breaking support through horizontal shaft hinged, the other end of the first connecting rod, second connecting rod is respectively with the two places of the rear upper section of the slag breaking lance through horizontal shaft hinged, the slag breaking lance is in the inclined posture of upper end rear, lower end front;The linear power device is arranged at the top in the slag breaking support, one end is with the slag breaking support through horizontal shaft hinged, the other end is with the first connecting rod through horizontal shaft hinged.Drive four-bar linkage with linear power device, utilize the parallel motion characteristics of four connecting rods, ensure that slag breaking lance impacts slag layer with certain angle, avoid lateral deviation, make slag breaker run stably and reliably.