28results about How to "Adjust the use height" patented technology

The utility model provides a kind of two-way hydraulic jack, it is related to two-way hydraulic jack technical field, and it includes: jack body, the side surface of jack body is equipped with fixed mechanism, the fixed mechanism includes push ring, the outer surface of jack body is sleeved in push ring, the side surface of push ring is equipped with spring one, the side surface of push ring is equipped with conical block, the conical block is fixedly connected with push ring, the side surface of conical block is equipped with fixed rod.The utility model, by being provided with fixed mechanism, so that connecting mechanism and jack body insert after cannot appear independent separation condition, and fixed block is set and fixed block can be engaged into the inside of annular groove of fixed ring, and then under the action of multiple fixed blocks, fixed ring cannot appear sliding condition, spring two is set simultaneously, and spring two can exert pressure to sleeve block.

The utility model discloses an adjustable lighting fan ceiling lamp, which belongs to the technical field of fan ceiling lamps and comprises a ceiling lamp body, a fan body is arranged in the ceiling lamp body, a connecting seat is mounted above the ceiling lamp body, and a mounting seat is connected above the connecting seat through a telescopic frame. A driving motor is mounted below the mounting seat, the output end of the driving motor is connected with a two-way screw rod, the two-way screw rod is rotationally mounted below the mounting seat, and the two sides of the two-way screw rod are connected with moving seats in a penetrating manner. According to the adjustable illuminating fan ceiling lamp, when the ceiling lamp body needs to be detached and replaced, a driving motor only needs to be started through a controller to drive a two-way lead screw to rotate forwards, then the rotating two-way lead screw can drive two moving bases to contract and move at the same time, and then the use height of the ceiling lamp body can be adjusted; and therefore, an operator can be assisted to disassemble and replace the ceiling lamp body.

The utility model discloses a kind of high-speed rail seat headrest height adjusting devices, it includes seat backrest and the headrest part of installation in seat backrest top, the middle part of the seat backrest is equipped with inner chamber, the top of seat backrest is fixedly installed with two through pipes, the bottom of two through pipes is extended to the inside of inner chamber, and the inside of two through pipes is movably inserted with height adjusting rod, the bottom of inner chamber inside is installed with double-output shaft motor one, the bottom of two height adjusting rods is respectively connected with the transmission of two outputs of double-output shaft motor one, the top of two height adjusting rods is fixedly installed with the U-shaped seat located in the bottom of headrest part, the inside of U-shaped seat is installed with double-output shaft motor two, the bottom of headrest part is connected with the two outputs of double-output shaft motor two to rotate and adjust headrest part;The high-speed rail seat headrest of the present application has height and angle adjusting structure, and the performance thereof can meet the use demand of high-speed rail seat.

The utility model discloses a rotatable screen splitting device which comprises a base, a vertical frame is arranged on the base, a lifting plate is arranged on the inner wall of the vertical frame through a lead screw and a guide rod, an upper support is arranged in the middle of the lifting plate through the vertical plate, and a screen positioning support is rotatably arranged on the upper support through a first rotating shaft. One end of the first rotating shaft is in transmission connection with a first motor through a gear set, the screen positioning support is provided with a plurality of display screens through a plurality of second rotating shafts and a mounting plate, and one end of each second rotating shaft is in transmission connection with a second motor. The first motor and the gear set drive the first rotating shaft to longitudinally rotate and adjust, so that a plurality of display screens can be rotated, adjusted and used, meanwhile, the second motor and the second gear set can drive the single display screen to rotate and adjust, and the use flexibility of split-screen display is improved.

According to the technical scheme, the detachable sofa headrest comprises a fixing base and a headrest body, the headrest body is installed at the top of the fixing base through an inserting column, a supporting base is installed at the bottom in the headrest body, an adjusting groove is formed in the top of the supporting base, a rotating shaft is installed in the adjusting groove, and the rotating shaft is connected with the fixing base. An adjusting seat is mounted on the outer surface of the rotating shaft through a connecting seat, an adjusting shaft is mounted at the bottom in the supporting seat, a rotating wheel is mounted at the bottom of the adjusting shaft, a worm is mounted at the top of the adjusting shaft, and a worm gear is mounted at the position of the worm on the outer surface of the rotating shaft. According to the detachable sofa headrest with the adjustable included angle, the problems that an existing sofa headrest is integrally arranged, the use angle of the sofa headrest cannot be conveniently adjusted, the use comfort of the sofa headrest is poor, and the use applicability of the sofa headrest is low are solved, the use comfort of the sofa headrest is improved, and the practicability of the sofa headrest is improved. Meanwhile, the use applicability of the sofa headrest is improved.