32results about How to "Smooth lifting movement" patented technology

The massage device comprises a mounting base plate, a sliding base sliding in the height direction of the mounting base plate and a first driving mechanism driving the sliding base to do lifting motion are arranged on the mounting base plate, and a rotating support and a second driving mechanism used for driving the rotating support to rotate are rotationally mounted on the sliding base. Two massage heads are arranged at the end, away from the rotating center of the rotating support, of the rotating support and used for acting on meridians and collaterals on the two sides of the spine of the back of a user respectively. The massage chair has the advantages that the waist and back area of a user can be massaged in a massage mode, and the massage effect is good.

The operation robot comprises a base, a walking mechanism, a lifting driving mechanism, a hanging assembly, an operation mechanism and a mechanical arm, the lifting driving mechanism is arranged in the base, and the two sides of the lifting driving mechanism are connected with the corresponding positions of the two sides of the hanging assembly correspondingly; the lifting driving mechanism is arranged on the base and can drive the base to do lifting motion, the mechanical arm is arranged at the bottom of the base and can clamp a lead, the walking mechanism and the operation mechanism are arranged on the robot base, the walking mechanism can move on the robot base, and the operation mechanism can conduct fire connection or fire decomposition on the lead clamped by the mechanical arm and an aerial cable after wire stripping. Lifting of the whole operation robot and walking on an aerial cable can be achieved, the mechanical arm can clamp a lead, the operation mechanism completes stripping of the lead and the aerial cable and disconnection and connection operation, and the operation robot has the advantages of being small, light, easy and understandable to operate, high in operation efficiency and good in disconnection and connection quality.

The invention discloses follow-up welding forming clamping equipment for inner and outer circumferential welds of a cylinder, and belongs to the field of welding equipment. The welding forming clamping equipment comprises a base, a lower pressing mechanism, an upper pressing mechanism, a lifting driving mechanism, a turn-over driving mechanism, a turn-over seat, a rotary driving mechanism and a clamping positioning mechanism. The holding and clamping positioning mechanism is used for supporting the thin-wall barrel, and self-deformation of the barrel is avoided; the upper pressing mechanism and the lower pressing mechanism are matched to clamp and fix all the to-be-welded products, the positioning precision and the clamping stability of the parts are guaranteed through the ring body abutting rolling wheels, and circular seam welding deformation can be reduced easily; besides, the upper and lower pressing mechanisms are used for driving the cylinder part to perform rotary welding, the turn-over mechanism is used for driving the cylinder part to perform turn-over welding, one-time welding forming of inner and outer welding seams at the two ends of the cylinder part can be achieved through one-time clamping, the welding production efficiency is improved, the welding precision is greatly improved, and the welding reject ratio is effectively reduced; and the economic benefits of enterprises are improved.

The present application discloses a wafer bearing device and wafer processing equipment, wherein the bearing device comprises: a translation mechanism, a lifting mechanism, a rotating mechanism and a bearing platform, wherein the bearing platform is connected to the rotating mechanism, wherein the rotating mechanism is connected to the lifting mechanism, wherein a translation space is formed in the translation mechanism, wherein the lifting mechanism is arranged in the translation space; wherein the rotating mechanism comprises a first shell, a first driving assembly and a rotating shaft, wherein the bearing platform is installed at one end of the rotating shaft; wherein the lifting mechanism comprises a second shell and a second driving assembly, wherein the second shell is connected to the translation mechanism, wherein the second driving assembly is connected to the first shell, wherein a lifting cavity is formed in the second shell, wherein a throttling assembly is arranged on the inner wall surface of the lifting cavity, and wherein the first shell can be lifted and lowered without contact in the lifting cavity. The present device realizes that the three mechanisms are nearly coplanar, thereby reducing the system's working center of gravity, reducing the system's vertical dimension, reducing the mass of moving parts, and improving the operating accuracy and positioning accuracy of the entire system.

The invention provides a rapid seed embryo dissecting device for melon crop seeds and a use method, which are used for solving the problems that a clamping groove cannot adapt to different melon seeds, the operation failure rate is high and the efficiency is low in the prior art. Comprising a shell mechanism and a dissecting mechanism, the shell mechanism comprises an outer shell, a dissecting barrel arranged in the outer shell, a cross arranged on the inner wall of the dissecting barrel and a supporting rod vertically and fixedly connected to the cross position of the cross; the dissecting mechanism comprises a clamping module, a circumference cutting module, a rotating module and a recognition module, the circumference cutting module is arranged on the inner wall of the dissecting barrel, one end of the rotating module is fixedly mounted at the top of the dissecting barrel, and the recognition module is used for recognizing the outer contour of the melon seeds to be dissected; the clamping module comprises an upper clamping assembly arranged at the top of the supporting rod and a lower clamping assembly fixedly connected to the other end of the rotating module, and melon seeds are clamped through cooperation of the upper clamping assembly and the lower clamping assembly; the device not only can adapt to different melon seeds, but also can improve the success rate and the efficiency.

The application discloses an automatic wheel divider which is connected with a horizontally arranged I-shaped steel beam, and comprises a wheel dividing assembly, a fixing plate, an elastic connecting piece and a limiting support. The fixing plate is connected to the lower end of the I-shaped steel beam, and the limiting support is arranged on the fixing plate. The wheel dividing assembly comprises a power arm, a wheel dividing rod and two parallel arranged wheel dividing side plates. The lower end surfaces of the wheel dividing side plates form an included angle, the wheel dividing rod is vertically arranged between the two wheel dividing side plates and is connected to and fixed at the two ends close to the wheel dividing side plates. The middle parts of the two wheel dividing side plates are connected with a long ear seat plate II fixed on the fixing plate. The end of the power arm is connected with the wheel dividing rod which extends out of the one end of the wheel dividing side plate, and the middle part of the power arm is rotationally connected with a long ear seat plate I on the fixing plate. One end of the elastic connecting piece is connected with the power arm, and the other end thereof is connected with the I-shaped steel beam. The limiting support is arranged close to the front end of the wheel dividing side plate. The application solves the problems of the inflexible wheel dividing and the easy damage of components in the traditional lifting equipment, and realizes the self-powered wheel dividing.

The invention relates to a lifting device. A lifting device for an elevator without a machine room comprises a car guide rail; the first ends, on the same side of the supporting assembly, of the lift car guide rails extend into the supporting assembly and are connected with the supporting assembly; the traction machine is arranged on the supporting assembly, and the distance between the traction machine and the first end of the lift car guide rail is smaller than the height of the supporting assembly.

The utility model discloses a wear-resistant reinforced electric push rod which comprises a base, the upper surface of the base is fixedly connected with a cylinder barrel, the inner ring of the cylinder barrel is slidably connected with a copper alloy nut, the inner ring of the copper alloy nut is in threaded connection with a wear-resistant screw rod, and the top end of the copper alloy nut is fixedly connected with a telescopic rod. A sealing cover is fixedly installed at the top end of the cylinder barrel, the inner ring of the sealing cover is slidably connected with the outer surface of the telescopic rod, a first bearing is fixedly embedded in the bottom face of the base, and the bottom end of the abrasion-resistant screw penetrates through the first bearing and extends to the position below the first bearing. The outer surface of the bottom end of the wear-resisting screw rod is fixedly connected with the inner ring of the first bearing, the outer surface of the cylinder barrel is fixedly connected with a plurality of reinforcing rings, and two limiting sliding grooves are formed in the inner ring of the cylinder barrel. The integral compression resistance of the cylinder barrel and the telescopic rod can be enhanced, the phenomenon that the cylinder barrel is cracked due to compression is avoided, and the requirement for high-strength operation can be met.

The utility model relates to the technical field of notebook computer testing, and discloses a notebook computer camera testing tool, which is characterized by comprising a testing platform, a first motor, a second motor, a third motor, a fourth motor and a fourth motor, the plane adjusting mechanism is connected with the base and suitable for adjusting the horizontal position of the base, and the plane adjusting mechanism is provided with a first driving unit suitable for driving the plane adjusting mechanism to move; the height adjusting mechanism is connected with the plane adjusting mechanism and suitable for adjusting the height of the plane adjusting mechanism, the height adjusting mechanism is provided with a second driving unit suitable for driving the height adjusting mechanism to move, and the problems that time and labor are wasted during notebook computer detection, and the reliability degree of detection results is low are solved.

The present invention relates to the technical field of medical injection molds, and in particular to a medical injection mold that is easy to demold, comprising a working frame, a fixed column and a discharge plate, a fixed column is fixedly installed on the top of the working frame at the center of one side of a lower mold base by bolts, a fixed cylinder is movably connected to the outer periphery of the fixed column, one side of the fixed cylinder is connected to an upper mold base that matches the lower mold base through a conical block, a heat sink for cooling and blowing air to the injection molded product is fixedly installed at the top of one end of the lower mold base by bolts, and a cleaning seat for cleaning and blowing air to the inside of the lower mold base is installed at both ends of one side of the top of the heat sink through connecting rods. The present invention drives the movable disk to move up and down in the fixed column through the fixed cylinder, and the gas is compressed through the cleaning nozzles and the heat sink nozzles on the cleaning seat and the heat sink, so as to clean the impurities remaining after the lower mold base is demolded and dissipate the heat of the product, thereby improving the quality of the product, having a simple structure, and realizing the linkage of cleaning and heat dissipation.

The utility model discloses a hosiery lifting device which is installed on a hosiery machine and is characterized in that the hosiery lifting device comprises a lifting air cylinder, and a first sinker horn-shaped ring hoop and a second sinker horn-shaped ring hoop are installed at the output end of the lifting air cylinder. The first sinker horn-shaped ring hoop and the second sinker horn-shaped ring hoop are connected through the sinker horn-shaped ring hoop hook, the lifting air cylinder is installed on the outer wall of the horn-shaped pipe tray, the lifting air cylinder conducts lifting work, the lifting air cylinder drives the first sinker horn-shaped ring hoop and the second sinker horn-shaped ring hoop, and the first sinker horn-shaped ring hoop and the second sinker horn-shaped ring hoop are connected through the sinker horn-shaped ring hoop hook. And the horn ring is fixed by the horn tube tray, so that the lifting motion is more stable.

The utility model discloses equipment for hoisting and carrying oversized glass, which relates to the field of hoisting and carrying equipment and comprises a base, supporting columns are mounted at four corners of the top of the base, a supporting platform is mounted at the tops of the supporting columns, sliding steel frames are mounted on two sides of the top of the supporting platform, and a motor is mounted at the bottom of the supporting platform. A ball screw is fixedly mounted at the top of the motor, a screw nut is connected to the outer wall of the ball screw and mounted in a sliding block, a steel disc is mounted on one side of the sliding block and fixed to a sliding steel frame through second bolts, and second mounting plates are mounted at the two ends of one side of the steel disc. And two rotating shafts are mounted on the second mounting plate, lifting arms are connected to the outer walls of the rotating shafts, and vacuum suction cups are mounted at the tops of the lifting arms. The lead screw device is arranged, and the lifting arm with the adjustable angle can be driven to ascend and descend through movement of a ball screw.

The utility model relates to an automatic changing device of brake disc workpiece belongs to brake disc positioning changing technical field. It includes frame, workpiece positioning frock and changing adjustment mechanism, and workpiece positioning frock includes taper sleeve and positioning fixture, and taper sleeve sets up floatingly, and taper sleeve is used for positioning the center hole of brake disc, and positioning fixture is used for supporting the inner end face of the cap of brake disc, and changing adjustment mechanism includes frock library, changing pneumatic clamping jaw and changing drive mechanism, and frock library is used for storing the taper sleeve and positioning fixture of waiting for changing, and changing pneumatic clamping jaw can automatically change the taper sleeve and positioning fixture under the action of changing drive mechanism. When needing to change the measurement of brake disc, changing pneumatic clamping jaw can take down the original taper sleeve and positioning fixture and put back frock library, and can clamp the taper sleeve and positioning fixture of corresponding model and move to workpiece positioning frock, realize the automatic change of the taper sleeve and positioning fixture of corresponding model, and the whole changing is quick and efficient, reduces the labor intensity of worker.

The utility model belongs to the technical field of auxiliary devices of papermaking equipment, and relates to a paper tube raw paper banner moisture adjusting test device which comprises a pressurizing roller, a sliding device, a lifting adjusting device and a supporting device, the pressurizing roller is hung on the sliding device through the correspondingly arranged lifting adjusting device, and the sliding device is fixedly installed on one side of the supporting device. The pressurizing roller abuts against the vacuum couch roll, and a wet paper web penetrates through the space between the pressurizing roller and the vacuum couch roll. Through cooperative work of the lifting adjusting device and the sliding device, the pressurizing roller is adjusted to pressurize at the vacuum couch roll, so that accurate adjustment of paper web moisture is achieved, the requirements of different production processes for the paper web moisture are met, the paper web moisture is adjusted, and performance indexes such as uniformity, smoothness and strength of paper are improved; therefore, the overall quality of finished paper is improved, the paper quality problem and the rejection rate caused by too high or too low moisture are reduced, and the production cost is reduced.

The invention discloses an adjustable tunnel type sterilizing and drying machine which comprises a conveying device, a drying device is mounted on one side of the top of the conveying device, and a sterilizing device is mounted on the other side of the top of the conveying device; a blower device used for supplying air into the drying device is installed on the drying device, a two-way air volume adjusting device is connected to the blower device in a sliding and penetrating mode, and the two-way air volume adjusting device is used for reducing pressure of an inner cavity of the drying device. And a wind direction adjusting mechanism. The arrangement mode that the rotary wind direction adjusting assembly is matched with the flow equalizing plate is utilized, and the flow equalizing plate rotates to be in an inclined state, so that one part of blown-in gas directly flows downwards through holes in the flow equalizing plate, and the other part of gas obliquely flows downwards along the inclined plane of the flow equalizing plate, and therefore one-time flow division of the gas is achieved; and by pushing the rotary wind direction adjusting assembly to rotate, hot wind blown to the container is more uniform, and the container can be conveniently and uniformly dried.

The utility model relates to a glass panel lifting and conveying device which comprises a rack assembly which comprises a rack, a vertical guide rail and a guide rail sliding seat, and the vertical guide rail and the guide rail sliding seat are arranged on the rack in a matched mode. The counter weight assembly comprises a counter weight block, and the counter weight block is installed on the rack assembly in a sliding mode; the lifting assembly comprises a gear motor, an upper chain wheel, a lower chain wheel, an upper chain and a lower chain, the upper chain bypasses the upper chain wheel to be connected with the balancing weight and the guide rail sliding seat, the lower chain bypasses the lower chain wheel to be connected with the balancing weight and the guide rail sliding seat, and the gear motor drives the lower chain wheel to rotate, so that the lower chain drives the guide rail sliding seat to move up and down; and the conveying assembly is installed on the guide rail sliding seat, and the conveying assembly comprises a conveying platform and a conveying belt mechanism horizontally arranged on the conveying platform. The lifting motion is stable, automatic feeding and discharging of the glass panels can be achieved while lifting of the glass panels is achieved, the automation degree of the device is further improved, and the labor cost is saved.

The present application relates to a kind of follow-up drop-off electric connectors, follow-up shell lower end opening is connected with plug, follow-up shell is equipped with the push plate of guiding and lifting, push plate is connected with top rod sleeve, top rod sleeve is coaxially sleeved with top rod, top rod upper part side wall is provided with steel ball through-hole, top rod middle part is provided with top rod step, top rod sleeve lower inner wall is provided with lock sleeve groove;Lock sleeve is sleeved below top rod sleeve, lock sleeve lower inner wall is provided with lock sleeve groove, steel ball is inserted into lock sleeve groove to realize rigid locking;Push plate lower end is connected with four-link hinge connecting seat plate with rectangular four corners, connecting seat plate is connected with plug;Follow-up shell is equipped with cam that can be pressed to push plate.The present application has high insertion accuracy, can effectively meet the plug drop-off under the follow-up state of plug-in socket, and guarantee effective separation.

The invention discloses a wafer bearing device and wafer processing equipment, the bearing device comprises a translation mechanism, a lifting mechanism, a rotating mechanism and a bearing platform, the bearing platform is connected with the rotating mechanism, the rotating mechanism is connected to the lifting mechanism, a translation space is formed in the translation mechanism, and the lifting mechanism is arranged in the translation space; the rotating mechanism comprises a first shell, a first driving assembly and a rotating shaft. The bearing platform is installed at one end of the rotating shaft. The lifting mechanism comprises a second shell and a second driving assembly, the second shell is connected with the translation mechanism, the second driving assembly is connected with the first shell, a lifting cavity is formed in the second shell, a throttling assembly is arranged on the inner wall face of the lifting cavity, and the first shell can ascend and descend vertically in the lifting cavity in a non-contact mode. According to the device, the three mechanisms are approximately coplanar, the working gravity center of the system is lowered, the vertical size of the system is reduced, the mass of moving parts is reduced, and the operation precision and the positioning precision of the whole system are improved.

The invention relates to the technical field of sprinkling irrigation, in particular to an automatic water storage sprinkling irrigation device for landscape gardens, which comprises a reservoir, a filter disc, an L-shaped cleaning scraper and a fixing frame arranged on one side of the reservoir, an open slot is formed in one side of the reservoir, and the fixing frame is fixedly mounted on one side of the exterior of the open slot on the reservoir through bolts. The center of the top of the fixing frame is movably connected with a fixing rotating shaft through a bearing, the top end of the fixing rotating shaft is fixedly provided with a first gear movably arranged in the fixing frame through a bolt, the center of the bottom of the fixing frame is fixedly provided with a servo motor through a bolt, and the output end of the servo motor is connected with a driving shaft. A T-shaped movable ring moves in a limiting groove of a movable block, so that the movable block stably ascends and descends through a fixed groove and a limiting roller, the movable block moves to drive a filter disc in a water storage tank to ascend and descend through a movable rod, the filter disc is ejected out of the water storage tank to replace an internal activated carbon layer plate, and meanwhile, impurities are discharged.

The utility model belongs to the technical field of electric power engineering, and particularly relates to a combined adjustable distribution cabinet structure. Comprising a platform, a lifting mechanism is arranged in the center of the top face of the platform, and four lifting columns distributed in a rectangular shape are arranged on the top face of the platform; a lifting column slide way is longitudinally formed in the lifting column, a lifting column block slides in the lifting column slide way, the lifting column block is connected with a lifting plate, and the lifting plate moves up and down along the lifting column slide way; the bottom face of the lifting plate is connected with the output end of a lifting mechanism, a power distribution cabinet is arranged on the top face of the lifting plate, and the lifting mechanism drives the power distribution cabinet to move up and down. The height of the power distribution cabinet can be adjusted before and after installation, and the adjusting mode is simple in structure. The power distribution cabinet and the lifting plate are movably connected and can be combined and detached; the power distribution cabinet can move back and forth along the lifting plate through matched sliding of the sliding blocks on the bottom surface of the power distribution cabinet and the slideways on the top surface of the lifting plate.

The utility model belongs to the technical field of aluminum material surface treatment, and particularly relates to an aluminum material surface wood grain transfer front spraying and imprinting device which comprises lifting type imprinting devices which are symmetrically arranged, each lifting type imprinting device comprises a supporting frame, a pressing roller which rotates on the supporting frame is arranged on the supporting frame, a wood grain layer is arranged on the surface of the pressing roller, a spraying barrel is arranged above the pressing roller, and the wood grain layer is arranged above the spraying barrel. The spraying cylinder is provided with a closed end and an open end, the open end of the spraying cylinder is connected with the coating tank through a conveying hose, a pump body on the conveying hose enables coating in the coating tank to enter the spraying cylinder along the conveying hose, and a coating conveying hole is formed in the spraying cylinder and is aligned to the wood grain layer on the compression roller; the coating in the coating tank is conveyed into the spraying cylinder, the coating is conveyed to the wood grain layers on the pressing rollers along the coating conveying holes of the spraying cylinder, the coating on the wood grain layers is pressed on the aluminum material entering the position between the pressing rollers by the pressing rollers, and the spraying and coining work before wood grain transfer printing on the surface of the aluminum material is completed along with the lifting movement of the pressing rollers.

The invention relates to the technical field of lifting stages, and discloses a lifting stage protection structure which comprises a mounting plate set and a stage box, the stage box is arranged above the mounting plate set, a lifting mechanism is arranged between the stage box and the mounting plate set and used in cooperation with the stage box, and a protection frame is arranged at the end of the stage box. A first sliding mechanism is arranged on the side portion of the protection frame, a second sliding mechanism is arranged on the side portion of the stage box, through arrangement of the lifting mechanism, a servo motor is started to drive a threaded column to be meshed with a first gear and a second gear, meanwhile, a rotating shaft drives a rotating column to rotate, and a rotating rod rotates to drive a sliding rod to move upwards; accurate height control can be achieved by starting a servo motor, and stable lifting motion can be provided by meshing of a threaded column and a gear. And the design that the rotating shaft drives the rotating column can ensure stable rotating motion, so that the sliding rod moves upwards more stably and reliably.

The present invention discloses a welding and forming clamping device for rotating inner and outer ring welds of a cylinder, which belongs to the field of welding equipment. The welding and forming clamping device of the present invention comprises a base, a lower clamping mechanism, an upper clamping mechanism, a lifting drive mechanism, a flipping drive mechanism, a flip seat, a rotating drive mechanism and a clamping and positioning mechanism. The present invention utilizes the clamping and positioning mechanism to support the thin-walled cylinder to avoid self-deformation of the cylinder; and cooperates with the upper and lower clamping mechanisms to clamp and fix each product to be welded, and utilizes the ring body to press the roller to ensure the positioning accuracy and clamping stability of the parts, which is beneficial to reduce the deformation of the ring seam welding; in addition, the upper and lower clamping mechanisms are utilized to drive the cylindrical parts to rotate and weld, and the flipping mechanism is utilized to drive the cylindrical parts to flip and weld, and the inner and outer welds at both ends of the cylindrical parts can be welded and formed at one time by clamping, thereby improving the welding production efficiency, and the welding accuracy is greatly improved, effectively reducing the welding defect rate, and improving the economic benefits of the enterprise.

The invention relates to an embedded integrated displacement platform applied to the technical field of displacement platforms, aims to realize high-precision displacement and rotation control, and comprises an encoder, a motion control module, an air cylinder, a linear motor, a fiber bragg grating, an air pressure sensor, an acceleration sensor and a related control module, through real-time position signal feedback and closed-loop control of the encoder, the system can accurately control rotation and lifting motion of the rotary table, the air cylinder adopts a double-acting design, stable lifting motion is achieved in combination with the air pressure sensor, shaking and deviation are avoided, and through combination of the fiber bragg grating and the stress detection module, the stability of the system is improved. Real-time stress monitoring and intelligent locking functions are achieved, structural safety is ensured, the acceleration sensor is used for monitoring vibration of the rotary table and conducting action balance verification, the long-term stability of the system is improved, and the displacement platform has the advantages of being high in precision, high in stability and intelligent in management.

The utility model discloses a kind of back rubbing machine host upper and lower electric moving device and the back rubbing machine with it, the moving device includes base, host bottom shell, lifting drive mechanism, lifting drive gear and rack, base is equipped with T-shaped slide, the T-shaped foot of host bottom shell bottom and T-shaped slide clearance fit, lifting drive mechanism is driven lifting drive gear and rack engagement through second transmission shaft, realize host bottom shell electric lifting.T-shaped slide and T-shaped foot are oriented stable, trapezoidal groove and compact point ensure that rack is fixed reliably, second shaft sealing ring protection prevents damp, limit structure guarantees operation safety.Back rubbing machine formed on this basis, integrated electric movement, circumferential rotation back rubbing and vacuum adsorption function, can accurately adjust height, adapt to different user needs, realize stable, efficient back cleaning.The utility model solves the problem that traditional back rubbing machine is inconvenient to adjust, poor stability etc., with the advantages of convenient operation, reliable structure, good use experience etc.

The present invention relates to a side window rolling curtain device, which is applied to the side window of a motor vehicle. The side window rolling curtain device is provided with a curtain retracting assembly in the base of the rolling curtain base frame, the curtain retracting assembly is connected to the curtain, the movable edge of the curtain is provided with a curtain edge strip, the curtain edge strip is respectively connected to the base column and the guide column of the rolling curtain base frame in combination with the guide assembly and the auxiliary guide assembly, wherein the curtain edge strip faces the side of the guide plate to form a transverse slide rail portion protruding outward, and the auxiliary guide assembly is provided with a transverse rail slider on its guide column slider, and the transverse rail slider can slide transversely along the transverse slide rail portion. Thus, the position compensation structure between the auxiliary guide assembly and the curtain edge strip is provided through an externally connected combined structure, and the transverse rail slider can be easily connected to the transverse slide rail portion, so that it has good assembly simplicity.

The utility model relates to a straw cup capable of controlling lifting of a tea bin. The straw cup comprises a cup body. The cup cover is detachably connected with the cup body; one end of the straw is communicated with the cup cover, and the end, away from the cup cover, of the straw extends into the cup body; the tea bin is arranged in the cup body and is movably connected with the straw; one end of the pull rope is arranged on the cup cover, the end, away from the cup cover, of the pull rope is connected with the tea bin, and the pull rope is pulled to drive the tea bin to ascend and descend along the straw. According to the straw cup, the pull rope is arranged on the cup cover, the pull rope is pulled to drive the tea bin to move and ascend and descend along the outer wall of the straw, the control stability of the tea bin is improved, meanwhile, the tea bin and the beverage can be rapidly separated, the beverage brewing convenience is improved, and the applicability is high.

This utility model discloses a height-adjustable working fluid tank for an electrical discharge machining (EDM) machine tool, comprising: a base plate; a fixed ring plate vertically mounted on the base plate; a vertically arranged movable ring plate, the lower end face of which forms an annular slot, the upper part of which is movably inserted into the slot, the base plate, the fixed ring plate, and the movable ring plate forming a accommodating space for holding the working fluid; a top support for raising and lowering the movable ring plate, mounted on the base plate; and a sealing assembly disposed in the slot, comprising multiple chain plates and a flexible membrane, the flexible membrane being connected between the upper part of the fixed ring plate and the bottom of the slot, the flexible membrane being arranged in a circle along the circumferential direction of the slot, each chain plate being foldably connected between the upper part of the fixed ring plate and the bottom of the slot, the multiple chain plates being continuously arranged along the circumferential direction of the slot. This utility model solves the problem that the side wall height of the working fluid tank in existing EDM machines cannot be adjusted.

The utility model discloses a greenhouse vertical face lifting windowing mechanism which comprises a fixed window frame, a movable window frame, a lifting displacement driving mechanism, supporting rods and a sliding guide assembly, the two supporting rods are arranged in a bilateral symmetry mode, and the fixed window frame is fixedly installed between the two supporting rods and located in the upper area. The movable window frame is connected with the supporting rod through the sliding guide assembly and located on the front side of the supporting rod, the lifting displacement driving mechanism is connected with the movable window frame and used for driving the movable window frame to move up and down, after the movable window frame is lifted, a ventilation opening below the fixed window frame can be exposed, and the manual operation requirement is reduced through automatic driving; and the response speed and flexibility of greenhouse ventilation are improved.