13results about How to "Limit movement trajectory" patented technology

This application provides a range hood, relating to the field of kitchen appliance technology. It includes: a smoke collection chamber with a smoke outlet at the top, a movable guide plate inside the chamber defining the smoke collection chamber, and a smoke inlet on the movable guide plate; and an oil baffle plate disposed within the smoke collection chamber, which is connected to the movable guide plate via a transmission connection structure. The movable guide plate has an open state and a closed state. When the movable guide plate is in the open state, the oil baffle plate is in a first position; when the movable guide plate is in the closed state, the oil baffle plate is in a second position, positioned above the movable guide plate, and serves to prevent oil stains above the oil baffle plate from flowing towards the movable guide plate. This solves the problem of oil accumulation in the movable chamber of existing range hoods, reducing the possibility of oil stains accumulating in the movable chamber dripping onto the stovetop.

The invention relates to the technical field of solar energy. The multifunctional solar radar velocimeter comprises a solar panel and an adjusting device connected with the bottom of the solar panel, the adjusting device integrates a driving mechanism, a sliding mechanism and a reinforcing mechanism, and the placing angle and the unfolding state of the solar panel can be adjusted so that the light energy absorption efficiency can be improved. The driving device drives the solar panel to rotate through gear transmission so as to adapt to sunlight in different directions; the sliding device drives the solar panel to be stably unfolded or folded by means of transmission of a bevel gear, a rack and the like, the light receiving area is increased, and various installation spaces are adapted. The reinforcing device is locked and fixed to the clamping structure through the tightening assembly, and external force is resisted to prevent loosening and deviation. The three parts work cooperatively, the problems that existing equipment is inconvenient to adjust, unstable in fixation, low in integration and the like are solved, the equipment operation stability and environment adaptability are improved, and the device is suitable for outdoor road scenes and has the characteristics of energy conservation, environmental protection and easy maintenance.

The utility model relates to the technical field of LED display screens, in particular to a connecting mechanism for mounting an LED display screen, which comprises a mounting base and a fixing bolt, the lower part of the inner wall of the mounting base is fixedly connected with a stabilizing plate, one side of the lower end of the stabilizing plate is fixedly connected with an adjusting device, and the lower part of the inner wall of the mounting base is provided with a limiting chute; and the adjusting device comprises a driving motor, the inner sides of the connecting frames are jointly and fixedly connected with a connecting shaft block, the upper end of the connecting shaft block is fixedly connected with a mounting assembly, and the driving motor is fixedly mounted on one side of the lower end of a stabilizing plate. According to the connecting mechanism for installation of the LED display screen, high-precision multi-angle adjustment is achieved through the driving motor, the intermittent column, the intermittent arc groove and other structures, diversified scene requirements are met, meanwhile, rapid installation and disassembly are achieved through the design of the upper installation frame, the lower installation frame, the resistance pad and the like, the maintenance and replacement process is simplified, and manpower and time cost is reduced.

This utility model relates to the field of lens technology and discloses a projection lens, including a lens body with a protective sleeve on the outside. A heating mechanism is provided on the lens body, comprising a drive motor, a rotating rod, a first gear, a large gear, a reciprocating lead screw, a second gear, a moving ring, and a heating ring. This utility model, through its heating and heat dissipation mechanisms, can effectively cope with different ambient temperatures and ensure image quality. In low-temperature environments, the drive motor and heating ring are activated to uniformly heat the lens body. This avoids changes in the relative positions and optical power between the lenses due to low-temperature contraction of the lens materials, preventing image blurring and ensuring that the projection lens can operate normally in cold environments, maintaining a stable imaging effect.

This utility model relates to the field of ironing machine technology, and in particular to a wear-resistant polyester knitted fabric stretching ironing machine, including an ironing machine body. Vertically arranged sliding frames are symmetrically fixedly connected to the left and right sides of the ironing machine body. Removable sliding strips are slidably connected to the inner side of each sliding frame. A downward-facing outer shell is fixedly connected to one side of each sliding strip. A horizontally arranged stretching roller is provided inside the outer shell. In this utility model, through the arrangement of sliding frames, sliding strips, outer shell, stretching roller, connecting shaft, bearing, first transmission wheel, transmission belt, second transmission wheel, drive motor, and pressing assembly, when using the device, the ironing machine body is pressed against the stubborn wrinkles. The ironing machine body heats the surface of the knitted fabric to soften it, and the two stretching rollers stretch the stubborn wrinkles in opposite directions, gradually smoothing them out. This design allows for heating and stretching of the knitted fabric during the use of the ironing machine body, thereby quickly smoothing out wrinkles.

The utility model discloses a microelement water-soluble fertilizer production sealing device, which relates to the technical field of packaging machinery and comprises a rotating structure, a distance adjusting structure and a transmission structure. The rotating structure drives a synchronous belt to transmit through a driving motor to drive a heat sealing wheel to perform rolling heat sealing on a packaging bag; the distance adjusting structure drives a two-way threaded rod through an adjusting motor to drive a guide rod to move a sliding connection block, and automatic stepless adjustment of the distance between the heat sealing wheels is achieved. And the transmission structure is linked with the transmission rod through the cross rod, so that the synchronous rotation of the plurality of heat sealing wheels is ensured. The device solves the problems that traditional equipment depends on manual adjustment, and heat sealing is not synchronous, and has the advantages of being efficient, accurate and high in adaptability.

The utility model relates to the technical field of dendrobium planting, and disclose a kind of drilling device for dendrobium planting, including base, handle, moving plate and drilling assembly, the surface of base is fixedly connected with handle, the surface of base is equipped with moving plate, the surface of moving plate is equipped with drilling assembly, the surface of base is equipped with adjusting structure, adjusting structure includes sliding slot, the surface of base is equipped with sliding slot, the inner wall of sliding slot is slidably connected with rotating rod, the surface of moving plate is slidably connected with the inner wall of sliding slot, the surface of rotating rod arc face is threadedly connected with the surface of moving plate, one end of rotating rod is fixedly connected with rotating plate, the surface of rotating plate is slidably connected with screw rod, one end of screw rod is threadedly connected with the surface of base. The utility model solves the drilling device for dendrobium planting of prior art, its drilling assembly is usually welded on base, often inconvenient to adjust work, for a long time to affect the normal use of device, and further affect the working efficiency of device.

The application relates to an electric wheelchair achieving lifting adjustment, which comprises a chassis frame, a seat assembly, a footrest assembly, a backrest assembly and a lifting adjustment mechanism. The lifting adjustment mechanism drives a transmission screw to rotate through a driving unit, moves a guide block along a sliding guide rail, and pushes the seat to stably lift through a connecting rod assembly; a balance air bag and a gravity center adjusting device work cooperatively, a pressure sensor is used for monitoring and adjusting the gravity center, and stability is ensured. The seat width can be adjusted through an adjusting rod, the footrest height and the backrest angle are respectively controlled through an extension rod and an adjusting motor, and individual needs are met. The application optimizes the design of the lifting mechanism, improves the stability, safety and man-machine adaptation capability, and solves the problems of unstable lifting, limited posture adjustment and insufficient safety in the prior art.

A conveying structure of corn husking equipment comprises a first conveying frame. The first conveying belt is rotatably arranged in the first conveying frame and used for conveying corn cobs; the rotatable baffle is arranged at the tail end of the first conveying belt, and a limiting channel with a gap smaller than the diameter of a corn cob is formed between the baffle and the first conveying belt; the second conveying frame is vertically fixed to the tail end of the first conveying frame and located below the limiting channel; the corn cob conveying device is novel in structure, the limiting channel formed between the rotatable baffle and the first conveying belt can effectively limit the movement track of corn cobs, and it is ensured that the corn cobs enter the subsequent conveying process in the specific posture and direction; when the speed of the first conveying belt is high, the baffles can block and buffer corn cobs, so that the corn cobs well fall to the middle position of the second conveying belt, and the side wall of the second conveying belt is prevented from being impacted; and the baffle can rotate flexibly, the balance and rotation resistance of the baffle can be adjusted by adjusting the number of the magnetic attraction pieces, the working performance of the limiting channel is optimized, and the conveying speed of the first conveying belt is adapted.

The utility model discloses an adjustable height's car seat headrest, including seat back, seat back inside one side fixed mounting has motor no.

The utility model provides a mould of an adhesive product, which relates to the technical field of moulds of adhesive products and comprises an operating platform, a lower mould is arranged on the upper surface of the operating platform, and two connecting pieces are fixedly connected on the outer surface of the lower mould. During use, the hydraulic telescopic rod pushes the upper die to move downwards, the upper die drives the two sliding blocks to slide in the two connecting pieces and extrude the two springs and the damper, and the damper and the springs compress the stroke, absorb kinetic energy and provide buffering till a discharging piece below the upper die is embedded into a clamping groove. At the moment, raw materials are injected into the lower mold, after the raw materials are cooled and shaped, the hydraulic telescopic rods move upwards, the dampers and the springs push the sliding blocks to move upwards, the upper mold is reset, the discharging piece drives the shaped adhesive product mold to be separated from the lower mold, the springs and the dampers absorb impact force generated when the upper mold moves downwards, and therefore damage to the mold is avoided; the service life of the mold is ensured.

The utility model relates to a portable cotton detasseling and boll collecting tool, belonging to the technical field of agricultural tools, which comprises a fixed block, two elastic clamping plates, an elastic member and two blades, the two elastic clamping plates are arranged at an included angle alpha and are fixed at one side of the fixed block; the elastic member is of V-shaped structure and is located between the two elastic clamping plates, the closed end of the elastic member is fastened at one side of the fixed block and the open ends are fastened on the two elastic clamping plates respectively; the back blade sides of the two blades are perpendicularly fixed at the distal ends of the two elastic clamping plates and the blade sides are provided with relatively arranged stamen half holes. The utility model utilizes the elastic closing of the two elastic clamping plates to link two blades to approach each other, cut off the cotton flower buds, expose the pistil and multiple stamens, and at the same time, the stamen hole gap formed by the two stamen half holes is sleeved outside the cotton pistil, the multiple stamens can be removed by moving the stamen hole, the pistil is prevented from being damaged by the blades, and the cotton detasseling efficiency is improved.