846 results about "Rotating hinge" patented technology

A portable device of the present invention includes: a first housing having a base, a protrusion protruded from the base, and a speaker hole provided at the protrusion; a hinge section provided to the protrusion so as to be freely moved about a rotation axis; and a second housing provided to the hinge section so as to be freely rotated about a rotation axis being substantially orthogonal to the rotation axis. The hinge section includes a central part and both-ends, having a U shape. The central part is connected to the second housing. The both-ends are branched from the central part and connected to a pair of side surfaces of the protrusion, respectively. Further, the second housing has a first display section on at least one surface being substantially square to a connecting surface where the hinge section is connected. Thus, the portable device capable of preferably receiving sounds associated with displays on the display section can be provided.

An orthopedic brace is provided with an adjustable support assembly having a support arm, a housing and a locking mechanism. The housing includes a travel track which slidably receives the support arm. The locking mechanism includes a lock lever which selectively applies a sufficient force to the support arm to prevent slidable displacement of the support arm in the travel track. The orthopedic brace is further provided with a hinge having a first rotation plate, a second rotation plate, a pivotal connector connecting the first and second rotation plates, a rotation limiting mechanism, and a rotation locking mechanism.

The invention relates to a forging manipulator lifting mechanism with inclined rear suspension rods in the technical field of the mechanical engineering, which is characterized in that the upper ends of two front suspension rods (12) are respectively connected at the lower ends of two front connecting pieces (9) by rotating hinges; the upper ends of the two front connecting pieces (9) are respectively connected on both sides of a movable frame (10) by rotating hinges; the movable frame (10) can move left and right on a front sliding rod (7); two rear suspension rods (16) are arranged symmetrically right and left in an inclined mode; the upper ends of the two rear suspension rods (16) are respectively connected at the lower ends of two rear connecting pieces (17) by rotating hinges; the upper ends of the two rear connecting pieces (17) are respectively connected on both sides of a rear sliding rod (2) by rotating hinges; two pitching linear drivers (4) are horizontally arranged on the top of a lifting arm front and back; and the front ends of the two pitching linear drivers (4) are respectively connected on both sides of a front lifting arm (6) by spherical hinges, while the rear ends thereof are respectively connected on both sides of a rear lifting arm (1) by spherical hinges. The forging manipulator lifting mechanism with the inclined rear suspension rods has the characteristics of high bearing capability, easy installation, long service life and the like and is suitable for forging operation of large-scale/ultra large forgings.

A swivel hinge assembly is provided for use in an electronic device, such as a portable electronic device. The swivel hinge assembly includes a first rotary shaft configured to be rotatable about a substantially vertically extending axis, a base configured to be rotatable in a substantially horizontal plane by the first rotary shaft, and a second rotary shaft, which is installed on the base, at least a portion of which is configured to be rotatable about a substantially horizontally extending axis which intersects with the first rotary shaft. The swivel hinge assembly may further comprise a cover plate configured to cover an opening formed on a top surface of a main body of the electronic device, and in which the base rotates.

Disclosed herein is a rotary folder-type mobile communication terminal that is capable of providing a large arrangement space sufficient to arrange a large-sized camera having a great number of pixels and related camera parts therein without increasing the thickness or the size of a folder part of the rotary folder-type mobile communication terminal. The rotary folder-type mobile communication terminal comprises a body part, a folder part, a folding hinge part mounted on a prescribed axis for opening/closing the folder part, and a rotating hinge part mounted on another prescribed axis different from the axis of the folding hinge part while being spaced apart from the folding hinge part for rotating the folder part. The body part has a button-operating unit disposed on the upper surface thereof, and the folder part has an LCD window facing the body part. With the provision of the rotary folder-type mobile communication terminal according to the present invention, a large-sized component, such as a large-sized camera having a great number of pixels, can be easily and stably arranged at an appropriate position in the mobile communication terminal.

The invention discloses a range hood with a smoke blocking screen capable of being automatically opened and closed. The range hood comprises a box body and a fan system arranged in the box body, wherein the box body comprises a panel right aligned with a cooking bench, and an air inlet is arranged on the panel. The range hood is characterized in that the smoke blocking screen in size matching with the air inlet is hinged with the upper end of the air inlet through a rotating hinge, the inner side of the panel is provided with an electric push rod driven by a motor, the extending-out part of the electric push rod is connected with the rotating hinge, and the extending-out part can do linear movement for driving the rotating hinge to rotate so that the smoke blocking screen is opened or closed. The smoke blocking screen is hinged at the upper end of the air inlet of the panel through the rotating hinge, and the electric push rod drives the rotating hinge to rotate so that the smoke blocking screen rotates to be opened or closed, and a user cannot directly face the electric push rod for driving the smoke blocking screen when operating in front of the cooking bench, so the hidden opening and closing of the smoke blocking screen is realized; and in addition, the range hood is also provided a sudden stop prevention mechanism and a position limiting pin, wherein the sudden stop prevention mechanism can prevent the hand clamping of a user caused by the sudden stop, and the position limiting pin prevents the stroke exceeding of the smoke clocking screen and realizes the position limiting effect.

The invention discloses a four-foot bionic robot with a planar four-bar metamorphic mechanism used on the waist. The four-foot bionic robot comprises a closed chain and four open chains. The closed chain is a planar four-bar metamorphic bar mechanism composed of a first bar, a second bar, a third bar and a fourth bar with the same length. The open chains are of the same structure. Each open chain is a 2R serial mechanism and connected with one bar in the closed chain through a rotating hinge. Bars in each open chain are located in the same plane. The planar four-bar metamorphic mechanism is applied to the waist of the four-foot bionic robot; by means of the characteristic of variable structure stages and variable degrees of freedom of the metamorphic mechanism, waist deformation of the four-foot bionic robot is achieved, so that the waist structure of a four-foot animal is better simulated, simulation of various kinds of animals is achieved, the advantages of various kinds of animals are integrated, and flexibility and adaptive capacity of the four-foot bionic robot for different terrain environments are improved.

The present invention discloses an elastic hinge parallel-connected 6-UPUR six-dimensional force measuring platform. The invention has the following characters: the integral one-dimensional force-measuring branch is composed of an integral UPU structure and an upper positioning block (8): the integral UPU structure is obtained by one-time manufacturing the elastic material, the structure comprises two symmetric integral elastic universal hinges (7 and 7'), the middle part is manufactured with a one-dimensional tension/pressure sensor structure (5), the lower end is manufactured with a column pinhole (6), and the upper end is manufactured with a screw bolt (13); the upper positioning block (8) is an elastic element which is molded by one-time manufacturing, and an elastic rotating hinge is included whereon. Basing on the principle of the novel 6-UPUR parallel-connected mechanism the invention obtains a simple parallel-connected six-dimensional force-measuring platform structure totally composed of single-freedom elastic revolute pair and realizes the decomposition of the six-dimensional force to six branches. The invention has the advantages of simple structure, convenient manufacturing, being easily analyzed and founded with a model, stable capability and broad adaptability. The one-dimensional force-measuring branch of the invention can be replaced with the one-dimensional linear micro-driving branch to facilitate that the six-dimensional force-measuring platform becomes a six-dimensional precise positioning platform.

A sliding and rotating hinge module for supporting a display screen or the like, includes a bracket, a slider and a support member. The slider is capable of sliding movement relative to said bracket and said support member is capable of pivotal movement relative to said slider. A drum is rotationally supported by the bracket. A constant force spring is attached to the drum at one end and the bracket at another end. The constant force spring is biased to wrap around the drum, the constant force spring unwrapping from the drum as the slider moves toward the retracted position. The constant force spring biases the slider toward the extended position. A damping mechanism damps the rotational motion of the drum relative to the bracket for smooth, non-abrupt movement of the slider.

A rotary type hinge assembly for joining a body (310) and a cover (320) of a foldable electronic device has a first axis (A1) and a second axis (A2), and enables the cover open about the first axis and rotate about the second axis. The hinge assembly includes: a housing (210), rotatably attached to the body, and defining a container therein; a spring (220) received in the container; a driven element (230), wherein a first end thereof supports the spring, and a second end thereof has a cam surface (232); a cam (240), being coaxial with the driven element, a cam surface (243) defined on an end thereof including a mountain-shaped portion (244) having a flat surface engaging with the cam surface of the driven element; a rotary shaft (250); and a fixing means (260) for fixing the rotary shaft in the cover; wherein the rotary shaft extend through the cam, the driven element and the spring in that order, and is fixed in the housing.

A helmet consists of an inner and outer shell that are connected posterior of the head via a two degree freedom of movement rotating hinge. The connector allows for angular rotation about the inferior/superior and left/right axes. One potential mechanism for the connector is four springs, located left, right, inferior and superior of the connector, connected to both the inner and outer layers. The goal of the springs is two-fold—to provide resistance in the event that the outer layer rotates with respect to the inner layer about either axis in response to an impact or applied force, and to rapidly return the outer layer to its equilibrium position post-impact or after the removal of the applied force.

A guiding device capable of directly receiving materials on the ground in a bulk cargo conveying process comprises a bracket, a hopper, a hopper support, a hinge shaft, an electrical barrel, a balancing weight, a twisted rope, fixed pulleys and a balance weight rope, wherein the bracket crosses over the receiving section of a ground adhesive tape machine in a storage yard and is used for fixing the rotating hinge shaft of the hopper and the electrical barrel, a lifting pull ring of the hopper and the balancing weight are pulled through the twisted rope winding around the fixed pulleys and the balance weight rope, the hopper is arranged on one side of the ground adhesive tape machine, the pull ring is arranged at the lifting end of the hopper, the electrical barrel is fixed on the bracket and connected with the hopper through the twisted rope, the fixed pulleys are fixed on the bracket and are guide pulleys for connection ropes between the hopper and the balancing weight and between the hopper and the electric barrel, and the balance weight rope is connected between the hopper and the balancing weight and winds around one fixed pulley. The technological procedure is simplified, the equipment cost is reduced, the equipment failure rate is reduced, the working efficiency is improved, and the guiding device is applied to multiple industrial fields such as mines, metallurgy, coal, ports, electric power, building materials and the like.

The invention relates to the field of electric fittings, in particular to a suspension clamp with adjustable aperture, which includes a left pressing plate and a right pressing plate. The bottoms of the left pressing plate and the right pressing plate are connected by a rotating hinge. Partially forms a round hole-shaped thread hole, and the left and right inner sides of the thread hole are connected with semicircular pressure pieces through a number of compression springs. Tightening parts, anti-slip wire pins are installed on the micro-ends of the locking parts, the design of compression springs and pressing pieces makes the suspension clamp suitable for cables of various sizes that need to be clamped, and at the same time, the cables to be clamped under severe weather conditions When the suspension clamp breaks when the wind vibrates, the suspension clamp has a certain buffer during vibration, which increases the life of the suspension clamp; the pin shaft provided at the tail of the fastening component bolt effectively prevents the bolt from threading when the cable vibrates. The phenomenon of slipping in the hole occurs.

The invention discloses a bridge rotation constructing process. A rotation system which is easy and convenient to manufacture, install and debug, and is safe, reliable and universal is researched. The rotation system mainly comprises a rotating hinge and a traction system. The process comprises the following steps of: realizing the bridge rotation firstly; and unloading the rotor system by using a hydraulic synchronous jacking technique, so that cyclic utilization of the rotation system is realized. The invention further discloses a rotation system, which comprises an upper rotating disk, a lower rotating disk, a jacking system, a horizontal fastening mechanism and a traction device, wherein the upper rotating disk and the lower rotating disk are rotationally connected relatively; the traction device is fixedly arranged on the lower rotating disk, and is used for driving the upper rotating disk to rotate; the horizontal fastening mechanism is connected with the lower rotating disk; and the jacking system is independently arranged on or arranged on the lower rotating disk. The rotation system has the advantages that the rotation system can be recycled after construction, so that the construction cost is lowered; and the rotation system is simple in structure, and can be recycled, so that equipment and construction costs of a rotation process are lowered.

The invention relates to a construction method of a flexible arch bridge with rigid beams. Steel truss beams, a steel box arch and flexible hanging rods are divided into single members in a factory and manufactured in a segmented mode; by the adoption of the symmetrical cantilever erection method, installation of the rigid steel truss main beam is completed firstly; then, an arch rib is installed, a crane travels on an upper bridge deck, the arch rib is divided into two half arches, welding forming is conducted on the two half arches on the upper bridge deck, the arch rib is vertically rotated in place through auxiliary facilities such as vertical rotating hinges, temporary sling towers and temporary inhaul cables between the arch rib and the steel truss beams, and middle span closing of the arch rib is achieved. After installation of the steel truss beams and the arch rib is completed, flexible slings are installed on the upper bridge deck and tensioned, and installation of the main structure is completed. By the adoption of the construction method that the steel truss beams are installed first and then the arch rib is installed, construction difficulty of the arch rib is reduced, the hoisting height of the crane is reduced, the construction period is greatly shortened, construction costs are lowered, economic benefits are increased, structural integrality and stability of the large-span arch bridge are enhanced in the construction process, and construction risk is reduced.

A portable terminal hinge prevents positional displacement of components, precludes malfunctions and performs a different operation when opening and closing. A first member of the hinge has a keyboard and is coupled to a second member having a display for the terminal. The members are capable of opening/closing in a vertical direction and of rotating in a horizontal direction at a predetermined open angle. The hinge includes a first hinge shaft coupling the members for opening/closing in the vertical direction and a second hinge shaft coupling the members for rotating in the horizontal direction. The first and second hinge shafts are crossed and engaged with each other so that the second hinge shaft is capable of rotating only at a predetermined rotation angle of the first hinge shaft accompanying the opening/closing operation in the vertical direction.

To provide, in a portable terminal such as a cellular phone, especially of a foldable type, a hinge for portable terminal that not only has both functions of allowing a second casing having a display portion to open/close relative to a first casing having a keyboard portion and allowing the second casing to turn relative to the first casing in a direction perpendicular to the opening/closing direction, but also is capable of preventing external leakage of a lubricating oil and is formed to be as compact as possible so that a mounting space can be saved. The hinge for portable terminal is a hinge coupling a first casing having a keyboard portion and a second casing having a display portion to each other, including: a rotary hinge part to which the first casing is coupled to be turnable relative to the second casing; and an opening/closing hinge part to which the second casing is coupled to be openable/closable relative to the first casing, wherein: the rotary hinge part has a fixed member attached to the first casing and a rotary member attached to the fixed member with a turn thereof being controlled via a first cam mechanism; the opening/closing hinge part is provided in the rotary member and has an opening/closing member which is rotatably mounted with a rotation thereof being controlled to be in a perpendicular direction to a direction of the turn of the rotary hinge part via a second cam mechanism and to which an end portion of the second casing is coupled; and the rotary hinge part operates from an instant when the opening/closing hinge part reaches a predetermined angle.

A refrigerator provided with a door having the height thereof easily adjustable, the refrigerator including a hinge bracket configured to connect a body to a door of the refrigerator, a hinge shaft coupled to the hinge bracket so as to enable ascending and descending, and a door support on which a lower surface of the door is placed, wherein the hinge shaft includes a shaft adjusting part formed at an upper side of the hinge bracket to easily rotate the hinge shift. A user allows the hinge shaft and the door support by rotating the shaft adjusting part, thereby adjusting the door supported by the door support.

The invention discloses a multi-legged biomimetic robot with a metamorphic mechanism on the waist. The multi-legged biomimetic robot comprises a closed chain and multiple open chains, wherein the closed chain is a metamorphic six-rod mechanism composed of a first rod, a second rod, a third rod, a fourth rod, a fifth rod and a sixth rod; the length of the second rod and the length of the sixth rod are the same, and the length of the third rod and the length of the fifth rod are the same; the second rod is connected with the third rod through a first hook hinge, and the sixth rod is connected with the fifth rod through a second hook hinge; structures of the open chains are the same, and each open chain is a 2R series-connection mechanism and is hinged to one rod in the closed chain through a rotating hinge; and the rods in each open chain are located in the same plane. The metamorphic mechanism is applied to the waist portion of the multi-legged biomimetic robot, and the characteristics of variable structure states and variable freedom degrees of the metamorphic mechanism are utilized for achieving the waist deformation of the multi-legged biomimetic robot, so that waist structures of various kinds of animals can be better simulated; the bionic performance of multiclass animals is achieved, and advantages of the multiclass animals are integrated; and the flexibility of the multi-legged biomimetic robot and adaptive capacity of the multi-legged biomimetic robot to the different terrain environments are improved.

A movable writing tablet for a chair comprising of a tablet mounted to a tablet support. A double rotating hinge connects to the tablet and support on one end, and is connected to a support block on the other end. The other end of the support block is connectable to a stack chair. The double rotating hinge enables the writing tablet to rotate about a horizontal and a vertical plane such that it can be positioned in the open or closed position. The tablet can be positioned in a vertical position adjacent to the support block allowing vertical stacking of chairs equipped with similar writing tablets. When the writing tablet is in the closed position it enables vertical stacking of chairs by automatically shifting from its vertical to a tilted position, allowing the tablets to stack on top of each other. Vertical stacking of two or more chairs allows their associated writing tablets to “nest” one on top of the other.

The invention discloses a powder coating mixing device which comprises a mixing shell. A stirring shaft is horizontally arranged in the mixing shell. The left end of the stirring shaft is connected with a variable frequency motor located on the left side of the mixing shell. The stirring shaft is evenly provided with a plurality of first stirring devices. Each first stirring device comprises a rotating rod, a rotating hinge and a first reset spring, wherein the rotating rod is connected with the stirring shaft through the rotating hinge, the first reset spring is fixedly connected between the rotating rod and the stirring shaft, and a plurality of stirring rods are arranged on the rotating rod. The powder coating mixing device has the advantages that the stirring range of the first stirring devices and second stirring devices can be adjusted as needed, and the material stirring and mixing effect is good; materials adhering to the first stirring devices, the second stirring devices and the inner side wall of the mixing shell can be blown down through an air blowing device.

An attachment and fastener system rigidly secures a rotatable drill pipe protector (RDPP) to a drill pipe. The RDPP comprises a sleeve which is split axially along at least one side. Parallel hinge bars are contained in first and second hinge sections which wrap around the hinge bars along opposite sides of the opening in the RDPP. One hinge bar is rotatable in the first hinge section. A series of axially spaced apart bolts are held in corresponding threaded openings in the rotatable hinge bar which rotates about its axis to swing the bolts in unison between open and closed positions. The other hinge bar has a series of threaded receptor openings facing outwardly from slotted openings in the second hinge section and aligned with the bolts on the other hinge bar. The rotating hinge bar swings the bolts into alignment with the slotted openings in the other hinge, after which the bolts are tightened in the threaded receptor openings for applying a holding force around the drill pipe. The hinges which wrap around each hinge bar are formed on the ends of a reinforcing cage structure molded into the wall of the RDPP.

The invention discloses a method for mounting and dismounting a gantry crane. Before mounting, a main girder and supporting legs are spliced to be an integration on the ground, wherein a supporting leg is connected to anther supporting leg via hinge, a lifting apparatus is arranged on the main girder, the main girder is suspended under two rotating hinges of the two supporting legs, as the supporting legs are gathered, the rotating hinges drives the main girder to lift upwards until reaching a design position, finally connecting rod elements of the supporting legs can be mounted, thereby achieving self-mounting of the portal crane, as the connecting rod elements of the supporting legs are removed, the supporting legs can be released, thereby achieving self-dismounting of the portal crane. The method has the advantages that 1, mounting and dismounting can be achieved on the ground without lifting work in high position, which is safe, convenient and time-saving, 2, less mechanical equipments are needed for mounting and dismounting the gantry crane, which is better in economy, 3, the method for mounting and dismounting the gantry crane has less requirements to the geographical location and the circumstance environment relatively, 4, the method for mounting and dismounting is convenient for inverted usage, which is beneficial to increasing the utilization rate of the gantry crane.