255results about How to "Achieve rotation" patented technology

The utility model discloses a motor shaft rust cleaning equipment for motor, it includes the U type mounting seat, the top of one side of U type mounting seat is installed motor, the output of motor is equipped with the rotating rod no. 2 that extends to the inside of U type mounting seat. Through rotating rod no. 2 and motor can realize the rotation of motor shaft, and cooperate bevel gear no. 2, bevel gear no. 1, rotating rod no. 1, rotating rod no. 1, the structure design of tooth block and connecting rod, still can drive sliding block, internal thread sleeve, threaded rod and arc rust cleaning plate move in the inside of sliding slot, to realize the compression of spring, and through the movement of arc rust cleaning plate and then cooperate the rotation of motor shaft, can realize the polishing rust cleaning work at different positions of motor shaft outside, and through the structure design of this part, need not operator hand -held polisher, effectively reduced the labor intensity of later period worker, increased the convenience and practicality of this equipment later period use.

The invention belongs to the technical field of heat transfer pipe inner hole clamping mechanisms, and discloses a heat transfer pipe inner hole clamping mechanism capable of being quickly replaced, which comprises a clamping jaw module, a driving module and a clamping jaw mounting seat, the clamping jaw module is provided with a clamping jaw shell, a clamping jaw, a sliding block sleeve, a sliding block inner column and a clamping jaw baffle block; the driving module is provided with a lifting air cylinder, a telescopic air cylinder, a tensioning air cylinder and a tensioning air cylinder bottom cover, the telescopic air cylinder is arranged in the lifting air cylinder and can move up and down, the tensioning air cylinder is arranged in the telescopic air cylinder and can move up and down, the tensioning air cylinder bottom cover is installed below the tensioning air cylinder, the tensioning air cylinder is provided with a tensioning piston, and the tensioning piston is used for pushing the sliding block inner column. The clamping jaw module is installed on the clamping jaw installation base, and the clamping jaw installation base is connected with the tensioning air cylinder. The robot can adapt to heat transfer pipes with different hole diameters, multiple actual working conditions such as fixed installation and passive rotation are supported, and the clamping reliability, adaptability and maintenance efficiency of the steam generator heat transfer pipe maintenance robot in the complex environment are improved.

This application relates to the field of vehicle equipment technology, and discloses a wheel hub emblem and a vehicle. The base has a mounting groove; a rotating mechanism is disposed within the mounting groove and is rotatably connected to the base around a rotation axis; a counterweight is disposed on the side of the rotating mechanism offset from the rotation axis; the emblem plate includes a front and a back facing each other along a first direction, with the front facing the outside of the vehicle and the back covering the opening of the mounting groove; the emblem plate is rotatably connected to the rotating mechanism around a rotation axis; and a light-emitting unit is disposed on the back side offset from the rotation axis, the light-emitting unit being used to make the emblem plate emit light. The wheel hub emblem provided by this application is less prone to deflection during wheel rotation, improving directional stability.

The application discloses a 360-degree fast-adjustable seat stroller, which comprises a frame, a seat and a footboard, the frame is provided with a supporting seat and at least two clamping interfaces, the seat comprises a base, a rotating seat, an adjusting part and a locking part, the base is rotatably installed on the supporting seat through the rotating seat, the base is provided with an adjusting groove, a movable seat and a rotating seat, the adjusting part is movably installed in the adjusting groove, the movable seat is arranged in the adjusting groove and is provided with a movable opening which is aligned with the clamping interface, the locking part is movably installed on the movable seat, the bottom of the locking part passes through the movable opening and is clamped with the clamping interface to limit the rotation of the base, and the footboard is rotatably installed on the rotating seat and is provided with an adjusting part which is used for pushing the adjusting part to adjust the locking part to be clamped or be released from the clamping. The application realizes one-hand fast adjustment of the seat, 360-degree rotation of the seat on the stroller, good structural stability and satisfaction of the existing use demand.

This utility model relates to the field of spray painting equipment technology and discloses a spray painting device for polymer photovoltaic frames. The device includes a housing with supporting feet connected to both sides of its bottom. A hinged door is located at the front of the housing. A supporting base frame is located at the bottom of the housing. A partition plate is horizontally connected to the top of the housing, and a paint bucket is located on top of the partition plate. An inlet is located at the upper left end of the paint bucket, and the upper end of the inlet passes through the top of the housing. A stirring shaft is located inside the paint bucket, and the upper end of the stirring shaft passes through the top of the paint bucket and is connected to a first motor via a coupling. This utility model, by setting up a supporting base frame, a motor mounting base, a second motor, a second coupling, a transmission shaft, and a second bearing, utilizes the interaction between these components to achieve rotation of the polymer photovoltaic frame, improving the uniformity of the spray painting process and thus enhancing the spray painting effect and efficiency.

The utility model belongs to the technical field of building curtain wall design, and particularly relates to a building curtain wall structure which comprises a single-layer main body, and a fixed rotary table is fixedly connected to the bottom of the single-layer main body. The inner side walls of the two fixed rotary tables are rotationally connected with a first fixed block and a second fixed block correspondingly. A window frame is fixedly connected to the side walls of the first fixing block and the second fixing block; a window frame is fixedly connected to the side wall of the window frame, and a curtain window is arranged in the window frame. Connecting plates are arranged between the adjacent second fixing blocks, and bolts are arranged between the second fixing blocks and the connecting plates. Rotatability of the building curtain wall structure is achieved by arranging the fixing rotary table, the first fixing blocks and the second fixing blocks, the common problem that high-altitude operation is needed for a traditional curtain wall structure is solved, the first fixing blocks and the second fixing blocks which are adjacent are connected through the connecting plates, stability and durability of the structure are enhanced, and the building curtain wall structure is convenient to use. And potential safety hazards can be reduced.

This utility model discloses a guiding device for polyester fiber processing, relating to the field of polyester fiber guiding technology. The device includes a base with support frames welded to both ends. A rotating assembly is rotatably connected to the top of each support frame. A guiding assembly is located at one end of the rotating assembly. The guiding assembly includes multiple guiding wheels, each with screw holes on its front surface. Each guiding wheel includes a first splicing plate and a second splicing plate, with guiding grooves on their outer edges. This solution solves the problem that existing polyester fiber guiding methods often result in damage and replacement of the guiding wheels due to prolonged friction. Furthermore, most existing guiding wheels are integral structures, requiring complete replacement and incurring high costs.

The utility model discloses a motorcycle throttle valve model and a linkage structure thereof, and belongs to the technical field of throttle valves. The motorcycle throttle valve model and the linkage structure thereof comprise a throttle valve body, a driving assembly and two locking assemblies, the driving assembly is arranged outside the throttle valve body, the locking assemblies are arranged in the throttle valve body, the throttle valve body comprises a shell, two air inlet cavities are formed in the shell, and the two air inlet cavities are communicated with the driving assembly. Rotating shafts are arranged in the two air inlet cavities, long grooves are formed in the rotating shafts, valve plates are arranged in the long grooves, plugging blocks are arranged on one faces of the valve plates, through grooves are formed in the two sides of the outer portions of the plugging blocks, inserting grooves are formed in the top ends and the bottom ends of the interiors of the through grooves, the locking assembly comprises two locking seats, and one faces of the locking seats are fixedly connected with the inner walls of the long grooves. Square grooves are formed in the top face and the bottom face of the locking base, inserting blocks are arranged in the two square grooves, and the opposite ends of the two inserting blocks are clamped with the two inserting grooves respectively.

The utility model discloses a six-degree-of-freedom parallel robot driven by a lead screw nut pair, and relates to the technical field of mechanisms and robots. The six-degree-of-freedom parallel robot is characterized by comprising a machine frame, a movable platform and six movement branch chains connected between the machine frame and the movable platform in parallel; each motion branch chain comprises a motor, a guide rail, a lead screw, a nut, a sliding block, a connecting rod and a connecting plate; the motor is fixedly installed on the connecting plate, an output shaft of the motor is connected with the lead screw, the pair of guide rails are arranged on the two sides of the lead screw in parallel respectively, the nut is in threaded connection with the lead screw and is in sliding fit with the two guide rails, and the top end of the connecting rod is fixedly connected to the nut. The motor drives the lead screw and drives the connecting rod to move through the nut so as to change the posture of the movable platform. The movable platform of the parallel robot should have a large rotation range, can adapt to different machining paths and posture requirements, and is more compact in structure and good in structural rigidity.

The utility model discloses a positioning fixture for lithium battery processing, which relates to the technical field of battery processing and comprises a processing table, a welding placing groove is arranged on the processing table, a turntable is rotatably arranged in the welding placing groove, four guide grooves are symmetrically arranged on the processing table, and clamping plates are slidably arranged on the guide grooves. A supporting rod is fixedly arranged on the clamping plate, the supporting rod penetrates through the guide groove and extends into the machining table, a threaded sleeve is fixedly arranged at the end, extending into the machining table, of the guide groove, and a transverse two-way screw and a longitudinal two-way screw are rotationally arranged in the machining table. The two sets of threaded sleeves are symmetrically arranged on the transverse two-way screw and the longitudinal two-way screw correspondingly, and a second motor and a first motor for driving the two screws are fixedly arranged on the side edge of the machining table. The problems that in the prior art, four handheld rods need to be manually adjusted to achieve limiting of the lithium battery, centering positioning of the lithium battery is difficult to achieve, and follow-up machining is affected are solved.

The utility model relates to the production technology field of textile cloth, disclose a textile textile cloth production cutting device, including the bottom plate, the top fixed connection of bottom plate has electric guide rail no.

The utility model discloses a kind of through dynamic seat platform and through dynamic viewing system for cinema, through dynamic seat platform includes first platform, second platform, frame body and first chair frame, frame body is installed at the rear end of first platform, first platform bottom is hinged with second platform by pivot, second platform is installed with the mounting table with support, support is penetrated with rear adjusting shaft, angle adjusting plate is installed on rear adjusting shaft. The utility model is hinged with first platform and second platform, the relative rotation of second platform and first platform is realized, simultaneously, installing winch on first platform drives second platform to rotate relative to first platform, provides dynamic feeling for the viewing personnel on first chair frame, simultaneously, using drive cylinder to drive rear adjusting shaft to rotate, so that first chair frame occurs relative rotation, so that it and the visual angle of second chair frame at front end is staggered, avoid the visual angle interference of front row chair frame to rear row, improve the accommodation capacity of chair frame on platform, simultaneously guarantee functional viewing visual angle.

This invention discloses a transverse pipe conveying device, belonging to the field of pipe conveying technology. It includes a pipe conveying mechanism comprising a conveying frame, multiple conveying rollers, a roller drive mechanism, transverse conveying mechanisms disposed on one or both sides of the conveying frame, and a lifting mechanism for lifting the pipes on the conveying rollers. The transverse conveying mechanism includes a conveying arm shaft, multiple transverse conveying arms, and a rotation drive mechanism. The conveying frame is also equipped with a guide mechanism for guiding the pipes onto the transverse conveying arms. The guide mechanism includes multiple guide plates arranged along the length of the conveying frame, with the bearing surface of the guide plates inclined inwards and outwards. This invention features a compact overall layout, eliminating the need for adjustments to workshop height, reducing workshop construction costs. The pipe conveying process is stable, ensuring the safety of equipment and personnel. The pipe conveying process is simple to operate, reducing labor costs and the possibility of operational errors.

The utility model discloses a food packaging film rolling and feeding mechanism which comprises a film feeding assembly arranged on the left side of the upper end of a bottom supporting assembly and used for food packaging film rolling and feeding, and a protection assembly is arranged on the right side of the film feeding assembly. The device has the advantages that the bottom supporting assembly is arranged, the device provides necessary supporting requirements for use of the film feeding assembly and the protection assembly, conditions are provided for sliding of the protection assembly and convenient replacement of food packaging films, the device can rotate the food packaging films through the film feeding assembly, and the food packaging films can be conveniently replaced. And by arranging the protection assembly, the food packaging film can be protected and prevented from being contaminated by dust, and the protection assembly is matched with the bottom supporting assembly to facilitate replacement of the food packaging film.

This invention relates to the field of environmental monitoring and early warning, specifically to a mobile soil pollution monitoring and early warning device. The device includes a mobile module, on which a fixed component, a monitoring component, and an early warning component are mounted. The mobile module includes a vehicle body, within which a drive unit is connected. The drive unit is connected to a power unit, which is connected to a lead screw. A nut seat is fitted onto the lead screw, and a moving ring is fitted onto the nut seat. The fixed component is mounted on the moving ring and includes a connecting rod. The connecting rod is hinged to a mounting plate, which is fixedly connected to the side wall of the vehicle body. A through groove is formed on the connecting rod, and a driven rod is hinged to the through groove. A fixed plate is hinged to the fixed plate, and an insert rod is connected to the fixed plate. A monitoring component is located at one end of the lead screw, and the monitoring component is signal-connected to a controller. The controller controls the opening and closing of the drive unit and the power unit. The early warning component is used by operators to issue warnings. This invention aims to achieve functions such as real-time monitoring, automatic lifting and adjustment, stable fixing, and intelligent early warning.

This invention discloses an air intake device for a welding fume purifier, comprising a collection box. Two symmetrically arranged sealing bases are provided on one side wall of the collection box. A rotating base is located within each sealing base, and a collection pipe extends through the rotating base into the collection box. A fixing pipe is fixedly connected to the end of the collection pipe furthest from the collection box. An auxiliary mechanism for collecting welding fumes is provided on the side wall of the fixing pipe. This invention solves the problem of inconvenient height and direction adjustment during welding fume intake in welding fume purifiers. The invention incorporates a connecting ring, a filter pipe, a cylinder, a rotating gear, and a drive gear. By controlling the extension and retraction of the cylinder and the rotation of the motor via a control panel, the rotation and vertical movement of the collection pipe can be easily achieved, thus aligning the collection pipe with the welding position and facilitating the adjustment of the collection pipe's position during air intake.

The utility model discloses a manual valve with electric drive part can install, the utility model relates to valve technical field, including valve body subassembly and assembly subassembly, the valve body subassembly includes valve body, be provided with the mounting cover on the valve body, be provided with valve stem on the mounting cover, the top of valve stem even has been seted up recess, has been seted up screw hole on the valve stem, through setting recess and screw hole on the valve stem, the positioning is convenient to the axle body, sets up bolt no.

The application discloses an edge sealing arm frame of an automatic edge sealing machine, which comprises a support frame in the shape of Chinese character 'fang', a horizontal support arm is formed on the support frame, a vertical shaft sleeve is formed at the end of the support arm, a horizontal fixed support rod, a first movable support rod and a second movable support rod are inserted into the support frame, a connecting block is fixed at the middle part of the fixed support rod, the connecting block is fixed on the inner bottom surface of the support frame, the first movable support rod is located between the second movable support rod and the fixed support rod, a vertical screw rod and a guide column are fixed at one end of the fixed support rod close to the support arm, the lower ends of the screw rod and the guide column are fixed on a connecting plate through the first movable support rod and the second movable support rod, and the connecting plate is fixed on the inner lower bottom surface of the support frame.

The present application provides a kind of sheet molding compound continuous cutting and winding device and its cutting and winding method, belong to the field of fiber composite material manufacturing, it includes support, pay-off device, material blocking ring, blanking table, roller metering device, cutting pad, roller type push knife, material receiving device and material receiving cylinder core, force is transmitted by ball bearing, realize rotation when pay-off and material receiving, the parameters of sheet are set by roller metering device to realize accurate blanking, the sheet is cut by roller type push knife, fast, labor-saving, convenient.The device and method realize the problem of direct continuous cutting of reel sheet molding compound, and solve the efficient and convenient winding problem of long material and super-long material, realize the efficient cutting of long material and super-long material in the forming process of fiber composite material product.The device can be moved, it is convenient to use in situ installation with work site, simple installation, easy to disassemble, improve production efficiency, save time and labor cost, improve production efficiency.

The utility model discloses a polymerization device of a filtrate reducer, which relates to the field of filtrate reducer preparation and comprises a barrel, a glass window is fixedly mounted at the front end of the barrel, a fixed shaft is coaxially and fixedly connected in the barrel, a mixing mechanism comprises a rotating ring, the rotating ring is rotatably connected with the fixed shaft, and a plurality of connecting columns are fixedly connected onto the rotating ring. The multiple connecting columns are evenly distributed in the circumferential direction of the rotating ring, the ends, away from the rotating ring, of the connecting columns are fixedly connected with scraping plates, the scraping plates abut against the inner wall of the barrel, the ends, close to the rotating ring, of the connecting columns are fixedly provided with second bevel gears, and first bevel gears are fixedly installed on the fixing shafts and engaged with the second bevel gears. The device has the beneficial effects that a scraper drives a connecting column to rotate around a fixed shaft, and a rotating ring and the fixed shaft rotate, so that a second bevel gear is meshed with a first bevel gear, and the connecting column is driven to rotate, so that a stirring assembly rotates while rotating along with the connecting column, and a filtrate reducer in a barrel is comprehensively stirred and mixed.

The utility model discloses a kind of silica mortar production sieve powder equipment, comprising: main component, the main component includes outer cylinder, centrifugal cylinder and filter hole;The outer cylinder inside movablely connects centrifugal cylinder, the filter hole is opened in centrifugal cylinder side wall;Scattering component, the scattering component includes trapezoidal receiving seat and semicircular scattering piece, trapezoidal receiving seat is fixedly installed in centrifugal cylinder inner wall, trapezoidal receiving seat front end movablely connects semicircular scattering piece, the scattering component still includes receiving groove, through-hole, cylindrical rod and limit piece.The utility model semicircular scattering piece is subjected to external force under the cooperation of cylindrical rod and through-hole, can realize rotation, and then can drive silica mortar material in rolling process constantly change motion trajectory, so that silica mortar material is scattered, and then can effectively avoid the phenomenon of blockage.

This utility model discloses an adjustable belt grinder, comprising: a frame including a first crossbeam and two columns for fixing to the ground and supporting the first crossbeam; a first arc-shaped connecting plate and a second arc-shaped connecting plate provided on the first crossbeam, the second arc-shaped connecting plate having an arc-shaped through groove; a second crossbeam with a vertical plate on it, the bottom of the vertical plate being rotatably connected to one end of the first arc-shaped connecting plate, and the top of the vertical plate being rotatably connected to the second arc-shaped connecting plate, and the connecting bolts between the vertical plate and the second arc-shaped connecting plate being slidable along the arc-shaped through groove; a main wheel located at one end of the second crossbeam; a motor located at the other end of the second crossbeam, its drive end being connected to the main wheel via the abrasive belt; a tension wheel for adjusting the tension of the abrasive belt; and a worktable located at one end of the first crossbeam and on one side of the main wheel. This utility model's grinder can adjust the polishing angle to adapt to different materials to be ground and different types of abrasive belts.

The utility model discloses a multi-degree-of-freedom stereotactic cranial nerve robot, which belongs to the technical field of robots and comprises an X-axis moving component, a Y-axis moving component and a Z-axis lifting component, the Y-axis moving component is mounted on the X-axis moving component, and the Z-axis lifting component is mounted on the Y-axis moving component; the X-axis rotating assembly is installed on one side of the Z-axis lifting assembly and can freely rotate around the X axis by 360 degrees; the Y-axis rotating assembly is mounted at one end of the X-axis rotating assembly and can freely rotate around the Y axis by 90 degrees. According to the robot, on the basis of traditional three-degree-of-freedom space movement along the X axis, the Y axis and the Z axis, by additionally arranging two-degree-of-freedom space rotation along the X axis and the Y axis, the operation flexibility and the operation efficiency of the robot are effectively improved; when the device is applied to brain surgery, the limitation of surgery operation is reduced, and the device can be smoother during surgery.

The utility model relates to the technical field of ceramic products, especially a ceramic artware with a storage table at the top, which comprises an artware main body, a base fixedly connected to the bottom of the artware main body, a storage table arranged above the artware main body, a storage turntable arranged above the artware main body, a rotating seat fixedly connected to the bottom of the storage turntable, a dismounting assembly arranged inside the rotating seat and on the inner side of the storage turntable for dismounting the storage table, a mounting groove formed in the top of the artware main body, a sliding groove formed in the bottom of the mounting groove, the bottom of the rotating seat extending into the inside of the mounting groove, the outer wall of the rotating seat and the inner wall of the mounting groove being rotationally connected, the sliding groove being annular, the cross section of the sliding groove being L-shaped, an annular inner ring arranged at the center of the inner side of the storage turntable, some small articles being classified, placed and accommodated, and the practicability of the ceramic artware being improved.

The utility model provides an all-dimensional cleaning device for a PH meter. The all-dimensional cleaning device for the PH meter solves the problems that existing cleaning equipment is not comprehensive and thorough in PH meter cleaning, low in efficiency and the like. The device comprises a driving mechanism located on the upper portion and a cleaning mechanism located on the lower portion, the driving mechanism comprises a translation assembly, a lifting assembly is driven on the translation assembly, a rotating assembly is driven on the lifting assembly, and a PH meter is arranged on the rotating assembly; the cleaning mechanism comprises a cleaning tank, a spiral spray pipe is arranged in the cleaning tank, a spray-washing space is formed in the inner circumference of the spiral spray pipe, the spiral spray pipe is provided with a plurality of nozzles facing the spray-washing space, and the PH lowering meter extends into the spray-washing space. The all-dimensional cleaning device for the PH meter has the advantages of being efficient, comprehensive, accurate and automatic, the cleaning quality of the PH meter can be effectively improved, the manual operation cost is reduced, the overall efficiency of a production line is improved, and good adaptability and reliability are achieved.

This utility model relates to the field of laser engraving machines, and more particularly to a laser engraving machine for the surface of metal heat dissipation profiles. It includes a base, a laser engraving device on one side of the top of the base, an operating terminal at the front end of the laser engraving device, and a clamping device on the other side of the base. The clamping device includes a clamping base, and a first groove is provided on the top of the clamping base, in which a placement seat is installed. This utility model controls a first motor to drive a gear to rotate, causing two toothed plates to move back and forth, thereby moving two clamping plates relative to each other to clamp metal sheets of different widths. After clamping, the operating terminal is controlled to allow the laser engraving device to engrave the metal sheet directly below. This ensures effective clamping during the engraving process and allows for engraving of metal sheets of different widths without the need to repeatedly change the clamping device.

The utility model discloses a rotatable LED down lamp, which comprises a tube body, a rotating part arranged in the tube body and a lighting part connected with the rotating part, the lighting part can rotate along with the rotating part, the rotating part comprises an inner ring body connected with the tube body, and an outer ring body connected with the inner ring body, the limiting ring is arranged above the inner ring body in a covering manner, and a rotating groove which is annularly distributed is formed between the limiting ring and the inner ring body; the rotating ring is arranged in the rotating groove, the rotating ring can rotate along the rotating groove, and the rotating ring is connected with the lighting part. The illumination angle can be adjusted, the overall structure is compact, and the size is reduced.

The utility model belongs to the technical field of petroleum drilling and production mechanical equipment, and discloses a vertical transmission chain box with a novel structure. The input shaft and the output shaft are arranged in parallel, and the chain is in vertical transmission. A push disc clutch is installed at the end of a chain box input shaft assembly, an inner gear ring is designed to be connected with a clutch friction disc, meanwhile, a connecting disc is designed to be connected with the inner gear ring and a chain wheel, and rolling bearings are arranged inside and outside the chain wheel. A friction hub is designed at the end of the output shaft, and a pneumatic tire clutch and a connecting disc are installed outside the friction hub to serve as a reaction torque releasing device. According to the chain box, independent hanging or separation can be achieved through power, and abrasion and equipment loss caused by idle running of the chain are avoided. Meanwhile, the anti-torque release device arranged on the output shaft can release the deformation energy of the drill rod, the drill rod cannot rapidly and reversely rotate, and the safety performance of petroleum drilling equipment is greatly improved.

The utility model provides a double support leg jack for motor home, including connecting main part, two groups of screw rod drive assemblies and two groups of support leg assemblies, the motor of two groups of screw rod drive assemblies is installed in the middle part of movable slot of connecting main part mutually close, and one end of screw rod is connected to the motor, and the other end is rotatably connected with the bearing arranged in the end part of connecting main part, and the other end of screw rod also has the manual rotation part that passes through the bearing and is located in the outside of end part of connecting main part, the screw rod nut can be slidably sleeved in screw rod and is limited in movable slot, the support leg assembly is installed below two groups of screw rod drive assemblies respectively, the support leg assembly includes support leg, support rod and support plate, by this, the motor is located in the movable slot in the middle part of connecting main part, can be protected by the shelter of connecting main part, is not easy to be interfered with by the knock of outside, is not easy to be corroded and aged by the rain and splash, and the manual rotation part can be arranged in cooperation, and the expansion or folding of two support legs can be realized by electric or manual.

The utility model provides an overpressure protection fixed ball valve, and relates to the technical field of overpressure protection ball valves, the overpressure protection fixed ball valve comprises a ball valve, a sealing valve core and a valve core seat, a screw rod which is coaxially distributed is fixedly arranged in the valve core seat, the screw rod is in threaded connection with a bevel gear ring which is rotatably arranged in the ball valve, and the sealing valve core is arranged in the valve core seat. A plurality of inserting frames penetrating through the inner wall of a valve port of the ball valve are fixedly installed at one end of the valve element seat, the bevel gear rotates by driving the straight gear to rotate, the bevel gear ring in meshed connection can rotate in the ball valve, the screw in the valve element seat cannot rotate, and therefore when the bevel gear ring rotates, the screw in threaded connection with the bevel gear ring can drive the valve element seat connected with the bevel gear ring to move. A gap is formed between the valve element seat and the surface of the sealing valve element, contact friction between the sealing valve element and the valve element seat in the rotating process is avoided, and abrasion to the surface of the valve element seat is avoided.