29results about How to "Stretch smoothly" patented technology

The invention discloses a lower discharging foaming device which comprises a movable base, a lower discharging foaming device, a lower discharging foaming device and an upper discharging foaming device, and a walking wheel set is arranged at the bottom of the movable base; the vertical bracket is fixedly mounted on the movable base; the variable-length flow guide mechanism comprises a flow guide channel which is arranged in an inclined mode and is telescopic in length, and the higher end of the flow guide channel is connected with the upper portion of the vertical support; the length adjusting driving mechanism is mounted on the vertical bracket, is in transmission connection with the movable part of the length-variable flow guide mechanism, and is used for driving the movable part to move so as to change the effective length of the flow guide channel; and the buffer mechanism is arranged in the groove of the flow guide groove channel and is used for providing damping buffer when the foaming profile slides down along the groove.

The utility model belongs to the technical field of magnetic door lock, specifically a kind of magnetic door lock, including lock body, lock tongue, door handle handle, interlocking plate, operating handle and lock box, lock tongue and door handle handle are movably arranged in box body, door handle handle is provided with abutting portion and pushing portion, and the unlocking slot on lock tongue is cooperated to make lock tongue retractable, first positioning column, second positioning column are equipped in box body, torsional spring two ends are respectively abutted abutting portion and second positioning column, adjusting mechanism is also equipped in box body, including screw rod, adjusting screw, abutting plate and arc slide groove, rotating adjusting screw can be through screw rod and abutting plate to push second positioning column to slide in arc slide groove, adjust torsional spring elastic potential energy, interlocking plate is equipped with locking portion and unlocking portion, the control rod of operating handle and the abutment of two can control interlocking plate to move, realize the locking or unlocking of door handle handle, the utility model adjusts torsional spring elastic potential energy through adjusting mechanism, solve traditional door lock torsional spring fatigue problem, prolong service life, improve operating stability and product reliability.

The utility model discloses a film expanding device, and belongs to the technical field of semiconductors. The film expanding device comprises a workbench and a film expanding assembly, the workbench comprises a first plate, the film expanding assembly comprises a lifting driving module, a lifting frame, a pressing ring and a blocking ring, the blocking ring and the lifting driving module are both arranged on the first plate, and the lifting frame is in transmission connection with the lifting driving module; the projection of the lifting frame in the vertical direction is located on the peripheral side of the projection of the blocking ring, the lifting driving module is used for driving the lifting frame to move in the vertical direction, the pressing ring is fixedly arranged on the lifting frame, and the outer contour projection of the blocking ring in the vertical direction is located in the inner contour projection of the pressing ring. The side, facing the first plate, of the pressing ring is used for installing an adhesive film bonded with a chip. According to the utility model, the stretching efficiency of the adhesive film is improved, the uniform stress of the adhesive film is ensured, and the subsequent chip can be conveniently and quickly taken.

The invention belongs to the technical field of printing equipment, and particularly relates to ink-jet printing equipment which is characterized in that the ink-jet printing equipment comprises a stretching mechanism, a plurality of vertical frames are fixedly arranged at the bottom of the stretching mechanism, and the stretching mechanism is used for tensioning and stretching a printing stock for ink-jet printing; and the driving mechanisms are arranged on the two sides of the stretching mechanism, and the driving mechanisms are used for providing power for the action of the stretching mechanism and conveying, pressing and positioning the printing stock. The weights of structures such as side rod blocks are vertically downward, so that the surfaces of the deflection cylinders extrude a printing stock to be tensioned, the tension of a plurality of tension springs acts on a surrounding cylinder to drive the structures such as two groups of middle rods, the deflection cylinders, an inner surrounding disc and an outer surrounding disc to rotate by taking the axial direction of the middle rods as the center, the printing stock is tensioned on the surfaces of the four deflection cylinders, and the printing stock is tensioned on the surfaces of the four deflection cylinders. And the printing stock is tensioned through triple tension generated by multiple structures, so that the advantage of clear printing is achieved.

The utility model discloses an engineering geology measuring device which comprises a telescopic cylinder, a telescopic rod is installed at the bottom opening of the telescopic cylinder in a sliding mode, scale marks are arranged on the outer side of the telescopic cylinder and the outer side of the telescopic rod, and a power distribution box is installed at the bottom end of the telescopic rod. The rectangular box is fixedly installed at the bottom end of the power distribution box, side holes are formed in the two sides of the rectangular box, and the length of the rectangular box is preset to be 20 cm; the detection mechanism is arranged in the rectangular box and matched with the two side holes, the outer side of the telescopic cylinder is sleeved with a handle sleeve, the top of the telescopic cylinder is fixedly provided with a handle ring, a control chip and a battery are arranged in the distribution box, the control chip and the battery are connected with a connecting wire, and the connecting wire is connected with a display controller. According to the device, through depth integration innovation of machinery-electronics-algorithm, the widths of cracks with different depths can be measured, and the use requirements can be met.

This utility model discloses a trench support device for municipal pipelines, relating to the field of municipal construction technology, including a baffle assembly, a cross brace assembly, and a protective cover. The cross brace assembly includes a sleeve and a telescopic rod. The protective cover includes an N-shaped plate and a snap-fit ​​vertical plate; the N-shaped plate can be adapted to snap onto the outer periphery of the sleeve, and the snap-fit ​​vertical plate can be adapted to snap onto the outer surface of the telescopic rod. The protective cover also includes a first rotating base plate and a second rotating base plate; the protective cover also includes a counterweight strip and a magnetic strip; one end of the first rotating base plate is rotatably connected to the bottom end of the first vertical plate, and the other end is fixedly connected to the magnetic strip; one end of the second rotating base plate is rotatably connected to the bottom end of the second vertical plate, and the other end is fixedly connected to the counterweight strip; the magnetic strip and the counterweight strip can attract each other to fit together to seal the bottom of the inner cavity of the protective cover. In this utility model, by fastening the protective cover to the outer periphery of the cross brace assembly, splashed sticky impurities will adhere to the protective cover rather than the telescopic rod, thus enabling the telescopic rod to extend and retract smoothly.

The utility model relates to a traditional Chinese medicine dressing low-pressure permeation device for orthopedics department staged treatment, which belongs to the technical field of orthopedics department treatment and comprises a shell, the interior of the shell is hollow, and a flexible fixing film for fixing traditional Chinese medicine dressing is arranged on one side, close to the skin, of the shell. The shell is further provided with a pressure suction assembly used for extracting air in the shell. The application has the effect of reducing the influence of short application time, low frequency and improper use method on the effect of the traditional Chinese medicine dressing.

The utility model discloses a metal surface treatment is with self -cleaning type cleaning spray gun relates to spray gun technical field. A metal surface treatment is with self -cleaning type cleaning spray gun, including metal piece cleaning box, the top of metal piece cleaning box is provided with through groove, spray gun cleaning structure, spray gun cleaning structure is located on metal piece cleaning box, and spray gun cleaning structure includes water supply hose, cleaning spray gun main part, spray gun head, outer thread ring no.

This invention provides a method for storing lifting wire harnesses, in which the wire harnesses are arranged in a wave shape inside the clamp of the scissor unit, allowing longer wire harnesses to be stored on the scissor unit. At the same time, the extension or retraction of the scissor unit is controlled by a lifting mechanism, so that the wire harness can freely unfold or retract along with the scissor unit during lifting. This saves space occupied by the wire harness and makes the wire harness adapt to the lifting process of the lifting mechanism, avoiding safety problems caused by the wire harness being pulled during lifting.

The present application belongs to the technical field of biomass heat-conducting film material preparation, and particularly relates to an ultrathin light and soft biomass heat-conducting film material and a preparation method thereof. First, a spinning solution is prepared from biomass raw materials and graphene oxide, the biomass raw materials including lignin cellulose, chitin, sodium alginate, regenerated plant protein and the like, and then an ultrathin light and soft biomass heat-conducting film material is finally prepared through electrostatic spinning technology and gradient calcination treatment. The present application uses biomass as raw material, is widely sourced, is environmentally friendly, and can heat-reduce graphene oxide to graphene while carbonizing the biomass material through gradient calcination. The heat-conducting film material prepared in this way has the advantages of ultrathin lightness, high heat conduction efficiency, low cost, easy preparation and the like.

The utility model belongs to the technical field of bridge engineering, and particularly relates to an integral anchoring guide rail type bridge seamless expansion device, which comprises a fixed end component, a fixed end component and a fixed end component, the sliding end assembly is fixedly arranged at the other end in the bridge parting, and the sliding end assembly is in sliding connection with the fixed end assembly; the liquid waterstop is arranged between the top end of the fixed end assembly and the top end of the sliding end assembly; and the rubber water stop assembly is arranged in the bridge parting seam and located between the bottom end of the fixed end assembly and the bottom end of the sliding end assembly. A guide rail type telescopic structure is adopted, the requirement for telescopic deformation of the bridge is met, meanwhile, a continuous seamless road surface is formed, and the bridge water stop structure has the advantages of being smooth in vehicle running, low in noise, good in water stop effect, good in durability and the like and is particularly suitable for urban bridges and bridges high in noise control requirement.

The utility model relates to a kind of airing rod telescopic mechanism and clothes airing machine, to solve the problem of not smooth, easy to wear and tear of airing rod telescoping in prior art, by setting movable roller assembly in the rod cavity bottom wall of fixed main rod, and setting second roller on the end face of the plug of telescopic rod, when telescopic rod is telescoped in fixed main rod, multiple rollers support and limit telescopic rod from different directions, reduce the friction between telescopic rod and inner wall of fixed main rod, realize more smooth telescoping effect, at the same time, through the cooperation of multiple roller design, sliding slot and roller assembly, avoid telescopic rod shaking, tilting, improve the stability of telescopic rod telescoping, reduce the wear and tear of telescopic rod and main rod, prolong service life.

This utility model discloses a telescopic boom with lubrication function, including an inner boom, an outer boom, a hydraulic cylinder, a locking assembly, a sliding assembly, a limiting assembly, and an adjusting assembly. The inner boom is telescopically mounted inside the outer boom via the hydraulic cylinder. The locking assembly passes through the inner boom and the outer boom for locking the inner boom and the outer boom. The sliding assembly is located on both sides between the inner boom and the outer boom for lubricating sliding between them. The limiting assembly is located between the inner boom and the outer boom for limiting the extension distance of the inner boom. The adjusting assembly is located on both sides of the outer boom for adjusting the tightness between the inner boom and the outer boom. This utility model effectively improves the lubrication effect of the wear-resistant block, reduces the lubrication cycle, and extends the service life of the wear-resistant block and the guide rail.

The utility model discloses a steel plate high-precision synchronous feeding and shearing device which comprises a machine frame, a conveying mechanism and a shearing mechanism are arranged on the machine frame, the conveying mechanism comprises a feeding frame and a feeding frame, the feeding frame is arranged below the shearing mechanism, and conveying belts are arranged on the feeding frame and the feeding frame respectively. The end, away from the feeding frame, of the feeding frame is rotationally connected with the rack, a connecting base is further arranged at the other end of the feeding frame, guide grooves are formed in the two sides of the connecting base, the connecting base is in sliding fit with the two side walls of the feeding frame through the guide grooves, a displacement groove is formed in the rack, the connecting base is in sliding fit with the displacement groove through a guide protrusion, and a transition roller is rotationally arranged on the connecting base. The shearing mechanism comprises a driving air cylinder and a shearing knife, the shearing knife is arranged on the machine frame in a sliding mode in the height direction, an abutting block is arranged on the side wall of the shearing knife, and a transmission block is arranged on the machine frame and located between the abutting block and the guide protrusion. The feeding and shearing device is simple in structure, stable in feeding and shearing operation and good in using effect.

The application discloses a high-strength metal plate positioning and feeding oil pressure equipment, and particularly relates to the field of metal stamping, which comprises a rack, a main oil tank fixedly connected in the rack, an upper pressing assembly installed on the top of the rack, an upper die connected to the output end of the upper pressing assembly, a lower workbench fixedly connected to the rack, two symmetrical lifting assemblies installed at the bottom of the lower workbench, and a lower die connected to the output end of the lifting assembly. The upper pressing assembly is used for driving the upper die to move towards the lower die, and the lifting assembly is used for driving the lower die to move along a preset direction. The centering assembly drives multiple conical positioning pins to move synchronously, thereby realizing automatic positioning of the metal plate. The symmetrical force ensures that the plate is uniformly guided to the center and cannot be deviated or twisted during the positioning process, thereby ensuring that the center of the plate is completely coincident with the center of the die, laying a perfect foundation for subsequent uniform stretching, wrinkle prevention and crack prevention.

The utility model discloses a kind of robot chassis stretch deformation mechanism, including first chassis, second chassis and stretch structure, second chassis is movably connected above first chassis;Stretch structure includes output gear and rack, output gear is set inside first chassis and partially exposes the upper surface of first chassis, output gear is connected with driving element, rack is set on the lower surface of second chassis and is engaged in output gear, output gear rotation drives rack to move to make first, second chassis stretch / stack each other.The utility model technical scheme aims at optimizing the deformation structure of robot, reduce friction, deformation is more smooth and rapid.

This invention discloses a wear-resistant C-type two-piece ball valve, belonging to the field of ball valve technology. It includes: a first valve body and a second valve body, fixedly connected by a flange; an annular seat, fixedly connected inside the second valve body, with an annular plate slidably installed inside the annular seat, and an annular scraper fixedly installed inside the annular plate; and a C-type valve core, disposed inside the first and second valve bodies, with an annular mounting groove on the outer side of the C-type valve core, a flexible sealing ring disposed within the annular mounting groove, and an annular sealing groove adapted to the flexible sealing ring on the inner wall of the annular seat. This invention improves sealing performance when closed by the cooperation of the annular plate pusher, support rod, and flexible sealing ring, and allows the flexible sealing ring to retract when opening, thereby reducing friction. Furthermore, the annular scraper and arc-shaped scraper can scrape away dirt from the valve core surface to prevent accumulation and increased resistance, thus improving wear resistance.

The utility model discloses a collar cloth tension adjusting device, which relates to the technical field of clothing manufacturing, is used for being mounted on a twin-needle machine, and comprises a driving mechanism, a sliding mechanism, a collar cloth guide mechanism, an amplitude adjusting mechanism, an elastic piece, a bottom plate and a rotating plate, the sliding mechanism and the driving mechanism are arranged on one side of the twin-needle machine, the driving mechanism is connected with the sliding mechanism, and the amplitude adjusting mechanism is arranged on the rotating plate. A bottom plate is arranged at the lower end of the twin-needle machine, a rotating plate is rotatably arranged on the bottom plate, a collar cloth guide mechanism is arranged on one side of the rotating plate, the amplitude adjusting mechanism is arranged on the rotating plate and the sliding mechanism, and the elastic piece is connected with the collar cloth guide mechanism and the bottom plate. The collar cloth can penetrate through the collar cloth guiding mechanism to enter the bottom of the double-needle machine to be sewn, the collar cloth guiding mechanism can be driven to reciprocate under the action of the driving mechanism, the sliding mechanism, the elastic piece and the amplitude adjusting mechanism, the collar cloth is automatically stretched in the sewing process of the double-needle machine so that the collar cloth can be evenly stretched, the two hands of workers are liberated, and the working efficiency is improved.

The utility model relates to a memory image player, include: shell and set up in the flexible display screen of shell, the shell top middle part is provided with display screen export, the display screen export both sides on the shell top are provided with vertical part, the shell is provided with display screen storage mechanism, wherein, display screen storage mechanism includes: have first pivot and two parallel second pivot, the one end of flexible display screen is wound in first pivot, the other end passes through the clearance of two second pivot, when needing flexible display screen display, motor drives two second pivot rotation, and the flexible display screen that winds on first pivot passes through the clearance of two second pivot and extends from display screen export upward, when needing to store flexible display screen, motor drives first pivot rotation, and flexible display screen is retracted from display screen export and winds on first pivot, the utility model discloses simple structure makes flexible display screen when needing playing, can extend the outside of player along vertical direction, when not needing playing, can store it in the inside of player.

The utility model discloses a kind of electric heating wire lengthening device, linear guide is provided on base, first fixed seat, second fixed seat are connected with guide rail, and the initial position of both is interval arrangement, electric heating wire is located between first fixed seat, second fixed seat, and the both ends of electric heating wire are respectively positioned and connected with first fixed seat, second fixed seat, first fixed seat, second fixed seat are respectively connected with a driving source, and driving source drives first fixed seat, second fixed seat moves along guide rail opposite to lengthen electric heating wire. By first fixed seat, second fixed seat positioning and connecting electric heating wire, and first fixed seat, second fixed seat linearly stretch electric heating wire, to keep lengthening electric heating wire, first fixed seat, second fixed seat are driven by different driving sources respectively, by the same speed, rate, stroke design of both, to keep evenly stretching electric heating wire, lengthening device is suitable for electric heating wire of different original length, and is suitable for different lengthening length.

The utility model relates to the technical field of textile, and discloses a pneumatic yarn transmission mechanism, which comprises a multidirectional cylinder frame, a pneumatic transmission mechanism, a pneumatic transmission mechanism, a pneumatic transmission mechanism, a pneumatic transmission mechanism, a pneumatic transmission mechanism and a pneumatic transmission mechanism, and is characterized in that the multidirectional cylinder frame has multiple orientations and is internally used for transmitting yarn bodies; the inner transmission wheel is rotationally arranged in the multidirectional cylinder frame and is used for guiding a wire body; the inlet cover is detachably fixed at the input end of the multidirectional cylinder rack wire body; and the outlet cover is detachably fixed to the output end of the multidirectional barrel rack wire body, and two sets of clamping wheels are arranged on the inner side of the outlet cover, used for clamping the wire body and driven by gas to rotate. According to the utility model, through full-section uniform stretching, stress concentration reduction and the synergistic effect of the multidirectional cylinder frame and the pneumatic driving clamping wheel, multidirectional synchronous stretching of yarns is realized, and the clamping wheel is driven by airflow to generate relative rotation, so that the yarns are uniformly pulled in the multidirectional cylinder frame, single-point stress concentration is avoided, the problem of preferential breakage of outer-layer fibers is effectively solved, and the production efficiency is improved. The quality is obviously improved.

This invention provides a low-altitude target detection radar, belonging to the field of detection radar technology. It includes a telescopic joint one, a telescopic joint two movably embedded at the top center of the telescopic joint one, and a telescopic joint three movably embedded at the top center of the telescopic joint two. A detection radar is mounted on the top of the telescopic joint three. A lower T-shaped retaining post is provided on the outer wall of the telescopic joint one, and a storage groove is opened on one outer wall of the telescopic joint two. Four guide posts are symmetrically arranged on the inner wall of the storage groove. This invention provides additional support for the telescopic joint two through a retaining plate, thereby reinforcing the telescopic joints of the first and second telescopic joints, increasing the contact area between them, ensuring the limiting strength between the two telescopic joints and the verticality of the second telescopic joint, improving the overall structural strength, and thus avoiding bending problems under strong winds and other severe weather conditions.

The utility model discloses an electrostatic chuck thimble telescopic protection tube, which comprises a metal shell, a thimble body, an outer tube sleeve and an inner tube sleeve, the thimble body is arranged inside the metal shell, the top end of the thimble body extends to the outside of the metal shell, and a spring piece is arranged inside the metal shell outside the thimble body. The spring piece is connected with the ejector pin body, the outer wall of the top of the ejector pin body is sleeved with the inner pipe sleeve, the inner pipe sleeve is sleeved with the outer pipe sleeve, mounting holes are formed in the outer wall of the top of the ejector pin body, and threaded holes are formed in the positions, at the mounting holes, of the outer wall of the inner pipe sleeve. And a screw is in threaded connection with the interior of the threaded hole, and one end of the screw extends into the mounting hole. The ejector pin can be protected from being collided and damaged, the service life of the ejector pin is prolonged, and the ejector pin is smooth to extend and retract and is not blocked.

The utility model relates to engineering monitoring technical field especially relates to a kind of integrated installation device of array displacement meter and beidou surface displacement meter, including PVC pipe, array displacement sensor and vertical pole, wherein, the array displacement sensor coaxial setting is in the inside of the PVC pipe, its lower end passes through the lower end of the PVC pipe, and extend to the PVC plastic pipe of underground pre-buried;The vertical pole is sleeved in the outside of the PVC pipe, and with the detachable connection of the PVC pipe;The vertical pole upper end is fixed with screw rod, and the screw rod is used to fix beidou surface displacement meter, lower end is fixed with mounting base.The utility model aims to realize the integrated layout of beidou surface displacement meter and array deep displacement meter in same measuring point, same vertical axis, to improve the spatial consistency of monitoring data, effectively solve the problem, such as the data deviation of large, construction complex caused by equipment separation installation in existing installation mode.

The invention relates to the technical field of gynecological medical instruments, in particular to a vaginal secretion sampling device which comprises an intubation tube, a sampling assembly, a plurality of expansion assemblies, a plurality of push plates, a limiting frame and an adjusting assembly. One end of the intubation tube is open, and the sampling assembly sleeves the outer surface of the intubation tube. The plurality of expansion assemblies are arranged in the insertion pipe, and the plurality of push plates are arranged between the insertion pipe and the sampling assembly. The limiting frame is fixedly arranged at the open end of the insertion pipe and comprises a guide cylinder. The adjusting assembly comprises a position adjusting rod, the position adjusting rod is arranged in the guide cylinder and can slide along the inner wall of the guide cylinder, an ejector rod is fixedly arranged at the end, close to the insertion pipe, of the position adjusting rod, and the central axis of the guide cylinder, the central axis of the position adjusting rod and the central axis of the ejector rod are collinear with the central axis of the insertion pipe. When the device is used, the guide cylinder can limit the position adjusting rod to move along the central axis of the cannula all the time, the ejector rod cannot incline, and the sampling assembly can be uniformly stretched, so that the normal sampling process can be ensured, and the comfort of a female patient is improved.

The utility model relates to the field of mechatronics, and discloses a self-adaptive center pipeline telescopic adjusting device for a combustor, which comprises a center pipe adjusting mechanism, a mixing section main pipe, an adjusting shaft seat, a pressure rod, a mixing section fan connecting flange, a mixing section furnace mouth flange and a fire gathering pipe, the mixing section furnace mouth flange is used for being connected with a combustion furnace mouth, a fixing base is arranged at the bottom end of the pressing rod in a sliding mode, the fixing base is welded to the top of the mixing section main pipe and used for installing the pressing rod so as to press the center pipe adjusting mechanism, and an adjusting structure is arranged in the center pipe adjusting mechanism. The adjusting shaft seats are used for being welded to the two sides of the mixing section main pipe and used for installing a central pipe adjusting mechanism. According to the utility model, the adjusting device is driven by the servo actuator to rotate in a reciprocating manner, so that the telescopic section of the central pipe is driven to stretch and retract, the purpose of intelligent stretching and retracting is realized, and the central pipe can be adjusted to be centered.

The invention discloses a connector technology, and aims to provide a four-core beam-expanding oil-filled optical fiber connector and an assembling method thereof. According to the technical scheme, the oil-filled plug is characterized by comprising a threaded sleeve, a plug shell, a four-optical-fiber beam expanding insulator, a pressure compensator, an oil-filled plug tail clamp, a sealing assembly and a calibration gasket which is clamped between the butt joint end faces of the oil-filled plug tail clamp and the plug shell and used for adjusting the pre-compression stroke of the pressure compensator. The screw sleeve, the plug shell, the four-optical-fiber beam expanding insulator, the pressure compensator, the oil-filled plug tail clamp, the sealing assembly and the calibration gasket jointly define a completely-closed oil-filled cavity, fluorinated oil or synthetic hydrocarbon oil subjected to degassing treatment is injected into the oil-filled cavity through a valve, and the oil-filled cavity is matched with the pressure compensator to construct an active pressure compensation sealing system. The invention is suitable for the technical field of connectors.

This invention provides a retractable safety fence and its manufacturing method, belonging to the field of fence manufacturing technology. It includes: a support component for providing overall support; a telescopic component connected to the support component, capable of horizontal extension and retraction to adjust the fence length, the telescopic component comprising multiple sets of intersecting links, the links being able to rotate relative to each other via a movable connection structure; and an intelligent alarm component installed on the support component, including a status monitoring unit, an alarm execution unit, and a power supply unit. The status monitoring unit collects abnormal status information of the fence, the alarm execution unit issues an alarm signal based on the abnormal status information, and the power supply unit supplies power to the intelligent alarm component. This invention not only solves the problems of inconvenient storage and poor adaptability of traditional fixed fences, and the problems of sputtering and uneven protection in retractable fences, but also achieves linkage between abnormal status monitoring and multi-dimensional alarms, overcoming the problems of single intelligent early warning function and delayed response in existing fences.