12results about How to "Expand the adjustment range" patented technology

The utility model relates to the technical field of capacitor busbars, solves the technical problem that existing busbar adjusting equipment is complex in structure and not easy to carry, and particularly relates to a capacitor busbar adjusting structure which comprises a fixed bin serving as a supporting base, and the fixed bin is provided with a rotation adjusting assembly used for bending a busbar. And a bending limiting assembly for limiting the busbar in the bending process is arranged on one side of the limiting seat at the end part of the fixed bin. Due to the arrangement of the rotation adjusting assembly, bending adjustment of the busbar can be achieved through power generated by the transmission motor, due to the fact that the size is small, carrying can be more convenient, adjustment can be achieved at any time, the clamping gap can be adjusted according to the thickness of the busbar, and therefore the application range of the rotation adjusting assembly is enlarged; the 90-degree bending adjustment of the busbar can be realized, and the intervention of a control chip is avoided, so that the production cost and the later maintenance difficulty are reduced.

The utility model relates to the technical field of hydraulic dampers, in particular to a hydraulic damper with an adjustable damping force value, which comprises an outer cylinder, an inner cylinder is arranged at the bottom end inside the outer cylinder, the bottom end of the outer wall of the inner cylinder is fixed with the inner wall of the outer cylinder through a cushion block, and the inner wall of the inner cylinder is connected with a sliding rod in a sliding mode. The bottom end of the inner wall of the inner cylinder is provided with an oil control component used for controlling the amount of hydraulic oil, the outflow path of the hydraulic oil can be limited through the arranged base and the arranged upper cover, and the hydraulic oil can be controlled to enter and exit from the inner cylinder through the formed oil control groove. And the flow speed of hydraulic oil passing through the oil control grooves can be adjusted by moving the wedge-shaped oil control blocks up and down on the inner walls of the oil control grooves, and the multiple oil control grooves and the multiple wedge-shaped oil control blocks are arranged, so that the adjusting range of the damping force value of the hydraulic damper can be widened, and personnel can conduct finer adjustment according to the damping force value.

The utility model discloses an adjustable gas transmission assembly suitable for respiratory therapy equipment, the gas transmission assembly comprises a gas inlet and a gas outlet, the gas transmission assembly further comprises a first gas transmission section and a second gas transmission section, the first gas transmission section is internally provided with a first gas transmission channel communicated with the gas inlet, and the second gas transmission section is internally provided with a second gas transmission channel communicated with the gas outlet; the first gas transmission section and the second gas transmission section are telescopically connected through a communicating piece, and a communicating pipeline for communicating the first gas transmission channel and the second gas transmission channel is arranged in the communicating piece; the second gas conveying section can move relative to the first gas conveying section through the communicating piece so as to adjust the relative distance between the first gas conveying section and the second gas conveying section. According to the gas transmission assembly, the first gas transmission section and the second gas transmission section are connected through the communicating piece, and the relative position between the second gas transmission section and the first gas transmission section can be adjusted through the communicating piece according to users with different head circumference sizes, so that the wearing comfort of the gas transmission assembly is improved, and the adaptability of the gas transmission assembly is enhanced.

The utility model relates to the technical field of electrical construction suspenders, in particular to an electrical construction suspender convenient to adjust, which comprises an upper suspender, a connecting component is arranged at the lower end of the upper suspender, a lower suspender is mounted at one end, far away from the upper suspender, of the connecting component, and the connecting component comprises an upper telescopic rod. The upper telescopic rod is slidably connected with the inner wall of the upper hanging rod, the lower surface of the upper telescopic rod is fixedly connected with a connecting frame, and the lower surface of the connecting frame is fixedly connected with a lower telescopic rod. According to the utility model, through the arrangement of the adjusting assembly, the adjusting range of the suspender can be effectively expanded while the convenience in adjustment is ensured, so that the problems that the adjustable range of the suspender is limited and the levelness is easily reduced after adjustment when the suspender is adjusted in a hook manner are reduced, and the practicability of the suspender is further improved; and a more reliable and more efficient solution is provided for a user to install on the top of an uneven wall.

The utility model relates to medical instrument technical field provides a kind of pitch damping adjustment mechanism, including connecting seat, the one end of connecting seat is provided with mounting portion, rotating portion is rotatably arranged in the mounting portion, friction pad is arranged between rotating portion and mounting portion, the one end of connecting seat away from mounting portion is provided with elastic disc, the side of elastic disc away from rotating portion is provided with abutting piece, the abutting piece is slidably arranged in connecting seat along horizontal direction, the abutting piece and elastic disc abut, adjusting piece is provided on the connecting seat, the adjusting piece is used to adjust the position of abutting piece, the utility model can improve axial pre-tightening force, maintain structural stability under heavy load condition.

This utility model relates to the field of winch technology, and particularly to a support and reinforcement device for a winch drum. It includes a support mechanism, with a second crossbeam movably connected to the upper left side of the support mechanism, and a first crossbeam movably connected to the upper right side of the support mechanism. The first and second crossbeams have identical structures. A first lifting device is movably connected to the upper end of the first crossbeam, and a second lifting device is movably connected to the upper end of the second crossbeam. A second base is mounted on the upper part of the second lifting device. This utility model's winch drum support and reinforcement device, by setting a first lifting device, which consists of a telescopic rod and two first electric push rods, allows for free adjustment of the telescopic rod and the two first electric push rods, increasing the adjustment range of their telescopic ends and thus adapting to the installation and use of drums of different sizes.

The utility model relates to the technical field of optical glass processing, and discloses an optical glass micropore drilling guide clamp, which comprises a fixed bottom plate, a fixed bottom plate, a movable bottom plate and a guide plate, the clamping structure comprises a first clamping part and a second clamping part, the first clamping part comprises four sets of first clamping plates arranged at the top of the fixed bottom plate, two sets of third threaded grooves are formed in the tops of the inner sides of the first clamping plates, third threaded rods are spirally installed in the third threaded grooves, and second clamping plates are fixedly installed at one ends of the third threaded rods; a first rotating handle is fixedly mounted at the other end of the third threaded rod, and an anti-skid base plate is pasted to the bottom of the inner side of the first clamping plate. The second clamping part comprises two first connecting rods fixedly mounted on the outer wall of one side of the first clamping plate, the position of the clamping device is adjusted, glass of different sizes can be conveniently clamped and fixed through the device, the application range of the device is widened, the use convenience of the device is improved, and the machining efficiency of optical glass is improved.

This utility model discloses a spiral tensioning device, relating to the field of belt tensioning technology. It includes a spiral support bracket with a slide rail on it. A movable sliding sleeve is placed on the slide rail and connected to a tensioning roller. The spiral support bracket also has a screw, which is threadedly connected to a nut on the sliding sleeve. This utility model enables the tensioning roller to move under the rotation of the screw, thereby tensioning the belt of a belt conveyor.

The utility model relates to the technical field of supporting structures, in particular to a formwork supporting frame capable of precisely adjusting elevation, which comprises a supporting pipe, a supporting rod, a connecting rod, a connecting rod and a connecting rod. The supporting rod is inserted into the supporting pipe, bolt holes are formed in the supporting rod at intervals, part of the supporting rod extends out of a pipe opening in the top end of the supporting pipe, a threaded connection section is arranged at the end, extending out of the supporting pipe, of the supporting rod, the length of the threaded connection section is larger than the distance between every two adjacent bolt holes, and the length of the extending part of the supporting rod is adjustable; the positioning plug pins can be inserted into the inserting holes in the supporting pipes and the corresponding plug pin holes in the supporting rods; the adjusting sleeve is in threaded connection with the threaded connection section, a template supporting surface is arranged at the top, and the adjusting sleeve can move up and down relative to the supporting rod by rotating the adjusting sleeve. The formwork supporting frame has two height adjusting modes, the adjusting range can be widened, and the supporting strength of the formwork supporting frame is guaranteed.

The invention belongs to the technical field of power transmission, and discloses a transmission mechanism which is characterized in that at least one first screw channel arranged in the rotating circumferential direction is arranged in a first annular raceway, and at least one second screw channel arranged in the rotating circumferential direction is arranged in a second annular raceway; the rotor is clamped between the first annular roller path and the second annular roller path, the rotor is connected to the base body in a stopping and limiting mode in the circumferential direction of the first axis, the rotor has the rotational freedom degree along the axis of the rotor relative to the base body, and the transmission part is matched with the first screw path and the second screw path; when at least one of the first transmission part and the second transmission part rotates relative to the base body, the other transmission part is driven by the rotor to rotate. According to the invention, the meshing backlash caused by tooth-shaped transmission can be avoided, and the power transmission efficiency and stability are effectively improved. The invention further discloses a transmission assembly, a vehicle and a robot.

This utility model relates to the field of building construction technology, specifically disclosing a temporary climbing platform, including a base, a lifting column inside the base, a support rod inside the lifting column, a storage cavity inside the lifting column, a limiting hole at the upper end of the storage cavity, a fixing hole at the upper end of the limiting hole, an upper limit ring threaded into the fixing hole at the upper end of the support rod, a lower limit ring threaded into the limiting hole at the lower end of the support column, and a support platform connected to the top of the support rod. This utility model ensures that the overall force is concentrated on the same vertical line, forming a stable support and solving the problem of uneven force distribution on both sides of an A-frame ladder, which is prone to tipping over. The entire device can be stored three-dimensionally, solving the problem of the A-frame ladder still being large in size after storage, greatly reducing space occupation. Its height adjustment allows the device to be used in narrow spaces, solving the problem that the A-frame ladder cannot be fully opened in narrow spaces, making it convenient to use, store, and move.

A UV printing air suction platform driving device, comprising a Y-direction moving assembly and a lifting platform assembly installed on the Y-direction moving assembly; the Y-direction moving assembly comprises a support bottom plate, a negative pressure platform and a driver, flange bearings are arranged at four corner portions of the support bottom plate, driven pulleys are fixedly sleeved on the flange bearings, the driver is arranged at the middle of the end portion of the support bottom plate, a driving pulley is connected to the output end of the driver, and a synchronous belt is connected between the driving pulley and the four driven pulleys; lifting screws are threadedly connected in the flange bearings, and the negative pressure platform is horizontally fixed between the upper ends of the four lifting screws; the four-corner support structure of the four lifting screws ensures that the negative pressure platform can still be in a stable horizontal state during frequent lifting, thereby ensuring the printing quality; and the lifting stroke of the lifting screw is increased, thereby improving the height adjustment range of the negative pressure platform.