44results about How to "Stable angle adjustment" patented technology

A rotating apparatus for a liquid crystal display comprises: a main body provided with a mounting recess having a predetermined radius of curvature; a liquid crystal display provided, at its bottom surface, with a curved portion corresponding to the mounting recess so that the curved portion rotates in surface contact with the surface of the mounting recess; and an angle regulator for guiding the rotation, in a predetermined direction, of the LCD and setting a position of the LCD when rotated to a predetermined position. The angle regulator includes: a plurality of bosses protruding from the bottom surface of the LCD; guide holes formed along a curvature of the mounting recess so as to form passageways through which the bosses are rotated; guide rails protruding from both sides of the guide holes toward the bottom surface of the mounting recess; and sliders which slide along the guide rails and engage the bosses.

The invention discloses a cleaning tool. The cleaning tool comprises a mop bucket and a mop. The mop comprises a mop rod, a bottom board and a rotation joint. The mop rod comprises an outer rod body and an inner rod body. The rotation joint comprises a first rotation part and a second rotation part. The bottom of the mop bucket is provided with a lifting mechanism. The lifting mechanism comprisesa fixing column fixed at the bottom of the mop bucket, a moving tube and a positioning rod. The moving tube is sheathed outside the fixing column. The positioning rod passes through the moving tube and is inserted in an inserting hole at the center of the fixing column, and the positioning rod is rotated relative to the fixing column. The lifting structure of the cleaning tool is simplified, and the operation is convenient, so the washing and dewatering functions of the mop are combined and coaxially performed, and the volume of the mop bucket can be reduced. The locking structure of the mop rod is simplified, and the angle between the mop rod and a faceplate can be conveniently adjusted and positioned. The locking structure is suitable for the mop or other cleaning tools with the similardemand. In addition, wiping cloth is effectively fixed on a bottom plate of the mop through a fixing claw by the lower faceplate, so the service life of the mop is prolonged.

The invention discloses an adjustment mechanism of a gynecological clinical uterine curettage device. The adjustment mechanism comprises a uterine curettage head, a connecting rod and a handle; a length adjusting mechanism is arranged on the handle; the handle is movably connected with the connecting rod in a sleeving mode through the length adjusting mechanism; an angle adjusting mechanism is arranged at the left end of the connecting rod; and the connecting rod is rotationally connected with the uterine curettage head through the angle adjusting mechanism. According to the adjustment mechanism of the gynecological clinical uterine curettage device, the overall length can be conveniently adjusted according to actual needs; meanwhile, stable automatic positioning is conducted through clamping strips and bevel gears, the uterine curettage device can be stably used after the length is adjusted, and the angle can be conveniently adjusted; and through cooperation of a rotary disc, rollingballs, a stabilizing ring, an annular groove and an annular rolling groove, the stability during angle rotation can be improved, so that the angle adjustment is more stable, and the stable use duringuterine curettage adjustment is ensured.

The invention discloses a hydraulic mechanical arm facilitating stable angle adjustment and having the grabbing force feedback function. The hydraulic mechanical arm facilitating stable angle adjustment and having the grabbing force feedback function comprises a base, a fixing plate, an electric push rod and a movable arm, and a motor is fixedly connected to the left side of the bottom of an innercavity of the base. According to the hydraulic mechanical arm facilitating the stable angle adjustment and having the grabbing force feedback function, through arrangement of the base, the fixing plate, the electric push rod, the movable arm, the motor, a driving gear, a driven gear, a driving shaft, a micro hydraulic cylinder, a connecting plate, a grabbing claw, a fixing shell, a pressure sensor, a controller, a display screen, a control panel, a processor, a heat dissipation opening, a first sliding groove, a first sliding block, a movable column, an arc-shaped sliding groove, sliding wheels, supports, installing blocks, pulling rods, connecting blocks, installing bases, installing pins and alarms, the beneficial effects that grabbing force feedback is achieved, and stable angle adjustment is convenient are achieved, and the problems that an existing hydraulic mechanical arm does not have the grabbing force feedback function, stable angle adjustment is inconvenient, the grabbing force cannot be adjusted, and grabbed materials cannot be protected are solved.

A vehicle seat reclining device allowing smooth adjustment of seatback angles. The vehicle seat reclining device has an internally toothed gear (12) formed on a gear plate (1) fixed to a lower arm; an externally toothed gear (22) formed on an upper arm (2), meshing with the internally toothed gear, and having teeth the number of which is less by at least one or more than the number of the teeth of the internally toothed gear; wedge members (7a, 7b) capable of being frictionally engaged with or disengaged from the gear plate or the upper arm; a spring (9) provided between the wedge members and urging the wedge members in the direction in which they are frictionally engaged with either the gear plate or the upper arm; a drive shaft (6) for rotating in a pressing manner either of the wedge members in the direction in which it is released from the frictional engagement; and a ring member (75a) provided in a relatively rotatable manner between either the gear plate or the upper arm and the wedge members and, when the drive shaft rotates, rotating together with the wedge members so as to rotate relative to the other of the either the gear plate or the upper arm.

The invention discloses a tunnel lamp with an adjustable angle in various working modes and a tunnel portal illuminating system. The tunnel lamp comprises at least three LED module groups used for emitting lights, wherein at least one adjustable LED module group and at least two non-adjustable LED module groups; each LED module group is composed of a shell and an LED light-emitting unit arranged on the corresponding shell; the two ends of each LED module group are connected to two side brackets respectively; the shell of each non-adjustable LED module group is fixedly installed on the side brackets through fixing screws; and the adjustable LED module group is arranged above the non-adjustable LED module groups. The tunnel portal illuminating system comprises the tunnel lamp which is installed on a tunnel arm in the length direction of a tunnel. The distance between the tunnel inlet of the tunnel and the tunnel arm is R; and the distance between the tunnel outlet of the tunnel and the tunnel arm is C.

The present invention relates to the technical field of satellite antennas, especially to a multi-star and multi-frequency passive antenna based on microstrip antenna stack. The antenna comprises an upper housing and a lower housing. The lower end of the lower housing is connected with a fixed block, the lower end of the fixed block is provided with a circular groove, the inner cavity of the circular groove is movably connected with a circular ball, the lower end of the circular ball is connected with a support rod, the two sides of the support rod are connected with fixed plates, the outer sides of the fixed plates are provided with thread long grooves, the two sides of the lower ends of the fixed blocks are connected with flexible tubes through connection blocks, springs are commonly connected between the two flexible tubes and the connection blocks, the springs are located at the outer sides of the flexible tubes, the lower ends of the flexible tubes are connected with pointer rodsthrough support blocks, and the outer sides of the pointer rods are in screw joint with the thread long grooves through bolts. The multi-star and multi-frequency passive antenna based on microstrip antenna stack is reasonable in structure design, convenient to reduce electromagnetic interference intensity, facilitates angle regulation for the antenna, and is rapid and convenient to regulate and low in cost.

The invention discloses an angle-adjustable computer display screen carrying frame. Supporting blocks are fixedly connected to the two sides of the top of a bottom plate, and a supporting plate is fixedly connected to the tops of the supporting blocks. A motor is fixedly connected with the top of the supporting plate through a connecting block, and one end of an output shaft of the motor is sleeved with a first bevel gear. A threaded rod is rotationally connected to the position, located between the two supporting blocks, on the top of the bottom plate. The top of the threaded rod penetrates the supporting plate and extends to the top of the supporting plate. The end, extending to the top of the supporting plate, of the threaded rod is sleeved with a second bevel gear engaged with the first bevel gear. The invention relates to the technical field of display screen carrying frames. By means of the angle-adjustable computer display screen carrying frame, angle adjustment of the carryingframe can be achieved, a worker can better place the display screen more rapidly, in addition, the worker can better take a display screen during installation, the work time is saved, and the work efficiency is improved.

The invention discloses a structure-improved turning head for a flat-panel television rack. The structure-improved turning head comprises a connecting plate, connecting slide blocks, supporting and jacking devices and vertical columns, wherein the connecting plate is of a U-shaped structure, two sidewalls of the U-shaped structure of the connecting plate are in hinged connection with the vertical columns, a pair of longitudinal-extending long-strip holes are formed in the two sidewalls of the connecting plate, the connecting slide blocks can slide along the length direction of the long-strip holes and are axially stopped/located between the two sidewalls of the connecting plate, the axial length of the supporting and jacking devices can be stretched, the two ends of each supporting and jacking device in the length direction are respectively connected with the circumferential outer sidewall of the corresponding connecting slide block and the circumferential outer sidewall of the corresponding vertical column, and hinge axes of the vertical columns and the connecting plate do not intersect with axes of the supporting and jacking devices along the stretching direction. According to the structure-improved turning head, the adjustment is convenient, timesaving and laborsaving, a pitching angle cannot be automatically changed due to the own weight of a television after the adjustment is completed, and the angle adjustment is stable.

The invention relates to the field of air purifying devices, in particular to an intelligent indoor air purifier. The air purifier comprises a fixed structure, a shell, purifying structures, a humidifying structure, a first adjusting structure, a second adjusting structure and a cold and warm air blower; the second adjusting structure is arranged on the fixed structure, and the shell is arranged at one end, away from the fixed structure, of the second adjusting structure, so that the fixed structure can be conveniently fixed to a wall surface, and the space utilization efficiency is greatly improved; the shell is connected to the fixed structure through the second adjusting structure, so that an angle between the shell and the fixed structure can be conveniently adjusted through the secondadjusting structure, and an air supply angle of the cold and warm air blower in a horizontal direction can be conveniently adjusted; two purifying structures are symmetrically arranged on the side wall of the shell, so that air is conveniently fed from the purifying structures when the cold and warm air blower works, dust in the air is filtered and stored in the purifying structures, and meanwhile, the purifying structures are slidably connected with the shell, so that the purifying structures are more convenient and quicker to clean and maintain.

The invention discloses a pushing mechanism of a wood processing device. The pushing mechanism comprises an underframe, an electric push rod, a connecting wire, an adjusting device, a driving motor, abearing plate and anti-shaking devices. The adjusting device is mounted at the top of a sliding rod, and an intermittent rotating mechanism is mounted in the adjusting device and is driven by an independent motor; the bearing plate at the top rotates under driving, and stable adjustment of the angle and the position is achieved; the intermittent rotating mechanism is installed in the adjusting device and can stably and intermittently rotate under the control of the driving motor, the rotating effect is good, and stable angle adjustment of the bearing plate at the top is achieved; and the anti-shaking devices are installed at the front side and the rear side of the right end of the top of the bearing plate, the front end and the rear end of wood are arranged in the anti-shaking devices sothat the wood can be clamped, guiding and supporting are provided for the wood in the moving process, the clamping thickness can be adjusted in the anti-shaking devices, and thus the anti-shaking devices are suitable for wood of most thicknesses.

The invention discloses road traffic guardrail welding installation equipment which comprises a supporting installation plate, a movable installation plate is arranged on one side of the supporting installation plate, a steering motor is arranged on one side of the movable installation plate, a steering installation column is arranged at the outer end of the steering motor through a rotating shaft, and a steering installation plate is arranged on the outer side of the steering installation column. The clamping moving mechanism is arranged on one side of the moving mounting plate and used for mounting the device on a guardrail, the clamping moving mechanism comprises reset rotating shafts symmetrically arranged at the two ends of the supporting mounting plate, each reset rotating shaft is sequentially provided with two rotating mounting plates, and the outer end of the rotating mounting plate on the outermost side is provided with an elastic cambered surface plate through a rotating shaft; the displacement adjusting mechanism is arranged on the other side of the supporting mounting plate and used for adjusting the angle and the position; and the sequential welding mechanism is arranged on the displacement adjusting mechanism and used for sequential welding.

The invention discloses a blade detector of a adjustable-pitch propeller. The blade detector of the adjustable-pitch propeller comprises a main body, a hydraulic cylinder and a detecting mechanism, clamping blocks are respectively welded to the outer walls of the left side and the right side of the main body, one ends of the clamping blocks are connected with connecting rods, movable cylinders aremounted at one ends of the connecting rods, the connecting rods and the movable cylinders are tightly fastened through nuts, plugs are connected to the upper parts of the movable cylinders, the hydraulic cylinder is mounted on the inner wall of the bottom of the main body, hydraulic rods are arranged on the hydraulic cylinder, and a pushing plate is fixed to the upper part of the hydraulic rods.The blade detector of the adjustable-pitch propeller is provided with a first movable gear, the first movable gear is driven to drive rotating blades on a second movable gear to rotate by rotating a hand wheel, meanwhile the rotating blades are movably connected with a round groove through a movable wheel, thus the angle formed by the rotating blades and a rotary shaft can be simply and conveniently changed according to the requirements of people, detection of the detecting mechanism is further more accurate, and usage is more convenient.

The invention relates to an angle adjusting structure of a drawer panel. The angle adjusting structure comprises a panel, a side plate and a sliding rail assembly, and is characterized in that the sliding rail assembly at least comprises a movable sliding rail, the side plate is detachably arranged on the movable sliding rail, and the panel is detachably arranged on the side plate; a first connecting piece is arranged on the side plate or the movable sliding rail, a second connecting piece is arranged on the panel, a connecting rod is arranged between the first connecting piece and the secondconnecting piece, and an adjusting piece is arranged between the connecting rod and the first connecting piece and/or the second connecting piece; the connecting rod moves on the first connecting piece and/or the second connecting piece through adjustment of the adjusting piece and drives the panel to obliquely move relative to the side plate or the movable sliding rail in the moving process, thereby realizing the angle adjustment of the panel. The upper position and the lower position of the panel can be attached to a cabinet body better when the panel is closed, and the problems that in theprior art, the height size of the panel is quite large, or the manufacturing specification is inconsistent, or dislocation occurs during installation, so that a gap is formed between the panel and thecabinet body when the panel is closed, and appearance regularity is affected are solved.

The invention discloses a welding gun with an adjustable welding angle. The welding gun solves the technical problems that in the prior art, the welding difficulty is increased and the welding quality is reduced due to the fact that the welding wire angle can hardly meet the optimal welding angle requirement under the space-limited working condition. The welding gun comprises a welding gun handle and a welding gun head, and an insulating wire conveying hose used for conveying bendable welding wires for the welding gun head and an angle adjusting mechanism used for adjusting the included angle between the welding gun handle and the welding gun head are connected between the welding gun handle and the welding gun head. The welding gun has the advantages that the structure is simple, the design is scientific and reasonable, use is convenient, it can be guaranteed that the welding wire welding angle meets the optimal welding angle requirement under the space-limited working condition, and therefore the welding difficulty under the space-limited working condition is reduced, and the overall welding quality of a steel structure is guaranteed.