58results about How to "To achieve the effect of stretching" patented technology

The invention discloses a book placing table with an adjustable area. The book placing table comprises a table top body, and sliding chutes are formed in the front side and the rear side of the bottomof the inner cavity of the table top body. The inner cavities of the sliding chutes are connected with lengthening plates through sliding blocks in a sliding mode, the bottom of the table top body isfixedly connected with a containing frame, and first connecting blocks are welded to the bottoms of the centers of the two sides of the containing frame. The back face of the first connecting block is movably connected with a sliding cylinder, and a sliding way is formed in one side of the inner cavity of the sliding cylinder, and the inner cavity of the sliding way is connected with a lengthenedrod through a sliding plate in a sliding mode. The sliding chutes, the sliding blocks, the lengthening plates, the first connecting block, the sliding cylinder, the sliding way, the sliding plate, the lengthening rod, a round hole, a groove, a spring, a clamping block are cooperated with a second connecting block, so that the placing area is adjustable. The problem that the existing learning deskis not adjustable in area is solved. The book placing table brings convenience to learning for students, and the practicability of the existing book placing table is improved.

The invention discloses a steel strip unwinding device with the adjustable width. The steel strip unwinding device comprises a shell. A clamping plate is arranged in the shell. A telescopic plate, a telescopic spring and a connecting rod are fixedly connected to one side of the inner wall of the shell from top to bottom in sequence. A right clamping block is arranged on the other side of the inner wall of the shell. The telescopic plate comprises a fixed sleeve and a movable pipe. One end of the movable pipe is inserted into a groove formed in one side of the fixed sleeve. The fixed end of the fixed sleeve is fixedly connected with one side of the inner wall of the shell. The other end of the movable pipe is fixedly connected with one side of the clamping plate. One end of the telescopic plate is fixedly connected with one side face of the clamping plate. According to the steel strip unwinding device with the adjustable width, the width can be adjusted, the working efficiency is improved when the device is used by persons, the time of replacing the steel strip unwinding device is shortened, the life of people is facilitated, and the steel strip unwinding device with the adjustable width is compact in structure, reasonable in design, high in applicability and easy to apply and popularize.

The invention discloses a high-accuracy anti-oxidation electrode, and belongs to the field of high-accuracy electrodes. According to the high-accuracy anti-oxidation electrode, a base of the electrodeis made from aluminum, and the surface of the base is painted with a gold material coating; therefore, with the application of the treatment mode, the conductivity of an electrode main body is guaranteed, and oxidation resistance of the electrode main body is enhanced, so that the electrode can serve for a long time. An under-pan, which functions as fixing, is arranged at the outer side of the electrode main body, and a stable base is formed in the part, in correspondence to a lead hole, of an electroencephalogram cap, so that firm fixing can be guaranteed, and the electrode can be partiallydetached under such special situations that the number of leads is reduced and the like; therefore, modularization and professionalization are achieved.

The invention relates to tire mounting equipment and particularly relates to tire mounting equipment for chemical production. According to the tire mounting equipment for chemical production, labor intensity can be reduced, mounting efficiency can be improved, structural damage to a tire hub can be reduced, and automatic tire discharging and automatic tire assembly product discharging are achieved. Tire mounting equipment for chemical production comprises a bottom plate, a stand column rack, a pressing mechanism and a push-up mechanism, wherein the bottom plate is provided with a shape frame,the stand column rack is arranged on the bottom plate; the pressing mechanism for mounting the hub on the tire is arranged among the pressing mechanism, the bottom plate and the fixture; and the push-up mechanism and the extension mechanism are provided with push-up mechanisms for automatic discharging. The equipment is advantaged in that a cam rotates to drive the first push rod to move up and down, the effect that the pressing wheel block reciprocates up and down is achieved, and when the first fixing frame moves downwards, a hub can be pressed downwards to be installed on a tire.

The invention provides a rotary cutter which comprises a handle, a rotating shaft, a rotating plate, at least one cutting tool and a shaft sleeve, wherein the handle comprises a holding part and a supporting part which are connected together, wherein the holding part takes a shape suitable for being held by hands; the supporting part comprises a first side wall, a second side wall and a bottom wall for connecting the first side wall with the second side wall; the rotating shaft is provided with a first positioning part; the rotating plate is rotatably arranged in the supporting part through the rotating shaft; the cutting tool is arranged in the rotating plate through an elastic part; an opening suitable for the cutting tool to extend or retract in the rotating plate is arranged on the edge of the rotating plate; the shaft sleeve is rotatably arranged in the rotating plate; the shaft sleeve is provided with a cam used for pushing the cutting tool out of the opening; the shaft sleeve is also provided with a second positioning part; and the first positioning part and the second positioning part are matched for driving the shaft sleeve to rotate by the rotating shaft. The rotary cutter can realize extension and retraction of a plurality of tool bits in rotation, can be provided with a plurality of cutting tools in an effective space, has a compact structure, saves space and cost, is convenient to carry and operate, and increases the working efficiency.

The invention discloses a convenient-to-mount radiator for an electric airport ferry vehicle, and relates to the technical field of mounting. The convenient-to-mount radiator comprises a radiator, thetop of the radiator is fixedly connected with a rocker, the rocker is in transmission connection with a first transmission column through a rocker rotating shaft, the first transmission column is fixedly connected with a first arc-shaped gear, and the first arc-shaped gear is meshed with a second arc-shaped gear; the second arc-shaped gear is in transmission connection with a threaded rod througha transmission shaft, the threaded rod is in threaded connection with a threaded block, the left side of the threaded block is fixedly connected with a first rack, the first rack is engaged with thefirst gear, the first gear is in transmission connection with a second gear through a rotating shaft, and the second gear is engaged with the second rack; and the first gear and the second gear are rotationally connected with the left side of the radiator, the bottom of the second rack is fixedly connected with the top of a mounting base, and the mounting base is in threaded connection with a bolt.

The invention discloses a shearing-type door blocking device. A motor installation board is fixedly arranged on one side of a base, a servo motor is fixed to the installation board, a mother door rocker arm is rotatably connected with the base, a mother door and the mother door rocker arm are fixedly connected, and a child door which can be embedded into the mother door is rotatably connected withthe bottom of the mother door. A special-shaped crank provided with a long arm and a short arm is fixedly connected with a servo motor output shaft end, the other end of the long arm of the special-shaped crank is rotatably connected with one end of a connection rod, the other end of the connection rod is rotatably connected with one side of the child door, a middle end of the long arm of the special-shaped crank is rotatably connected with one end of a second connection rod, the other end of the second connection rod is rotatably connected with a middle end of the mother door rocker arm, theother end of the short arm of the special-shaped crank is connected with a tension spring, and the other end of the tension spring is connected with the base. According to the shearing-type door blocking device, a mode of the motor plus the connection rods can be directly used for driving a door plate, a worm and gear mechanism is omitted, and after being deenergized, the deenergized door plate can be reset directly through the tension spring. The shearing-type door blocking device has the outstanding advantages that the structure is simple, parts are easy to process, the maintenance cost islow, and the like.

The invention discloses a high-precision anti-corrosion flow velocity measurement sensor, which comprises a protection shell for storage, a detection structure arranged in the protection shell and a box body for displaying data, and is characterized in that the detection structure is strip-shaped and is integrally inserted into the protection shell, and the detection structure is connected with the box body through a transmission data line; the protection shell is cylindrical and long-strip-shaped, a conical part is arranged at the left end of the protection shell, a sealing gasket disc is connected to the right end of the protection shell, the sealing gasket disc is cylindrical, a plurality of through holes are evenly formed in the outer end of the sealing gasket disc, and a plurality oflong-strip-shaped flow guide strips are arranged on the circumferential face of the protection shell at equal intervals. A fastening structure is arranged in the middle of the protection shell in a sleeving manner; the fastening structure comprises a shaft sleeve, and the shaft sleeve is integrally arranged outside the protection shell in a sleeving mode and tightly attached to the outer wall of the protection shell. By additionally arranging the protection shell, the sensor for internal detection can be protected, corrosion is prevented, meanwhile, quick fixing is facilitated, and practicability is high.

The invention discloses a film opening device for an automatic bagging machine. The film opening device is characterized in that the film opening device comprises a film outer limiting structure and afilm inner supporting structure, wherein the film outer limiting structure is provided with a film channel, and a plurality of outer limiting roller shafts are arranged on a film inlet and a film outlet of the film channel correspondingly; the film inner supporting structure is arranged in the film channel, and a plurality of inner supporting roller shafts are arranged on the film inlet end and the film outlet end of the film inner supporting structure; and the plurality of outer limiting roller shafts are in one-to-one correspondence with the plurality of inner supporting roller shafts to form a plurality of opening channels for opening film bags. According to the film opening device for the automatic bagging machine, the film bags in the attached state can be opened, the film bags conveniently sleeve long material profiles, and the automatic bagging operation is achieved.

The invention relates to physical fitness equipment, in particular to physical fitness equipment with a protection function. According to the physical fitness equipment with the protection function, legs, hands and the back can be exercised, the equipment is automatically cleaned, and the safety is high. Physical fitness equipment with a protection function comprises bases, supports and a handrail, the supports are arranged on the bases on the two sides, the handrail is connected between the upper portions of the two supports, swing mechanisms are arranged on the lower portions of the supports, and protection mechanisms are arranged on the upper portions of the supports. Through cooperation of the swing mechanism and the protection mechanism, the swing mechanism achieves the leg stretching effect, and the swing mechanism drives the protection mechanism to protect the back of a body builder and prevent people from toppling backwards during exercise; through cooperation of the swing mechanism and the electric control mechanism, the swing mechanism automatically swings to achieve the leg stretching effect, and the problem that it is difficult to drive the swing mechanism to swing back and forth through self strength of people is solved.

The invention discloses a lawn telescopic adjustable LED underground lamp, and belongs to the technical field of LED underground lamps. Springs are welded to the ends, away from a lamp shell, of the fixed blocks correspondingly; mounting blocks are arranged at the top of the left side and the top of the right side of the lamp shell correspondingly, movable rods are arranged at the ends, away fromthe lamp shell, of the mounting blocks through pin shafts correspondingly, and the ends, away from the mounting blocks, of the two movable rods are fixedly connected through handles. A protective shell is arranged outside the LED base and the lamp shell; two groups of compression springs are arranged at the bottom of an inner cavity of the protective shell; the top of the compression spring is connected with the LED base through a top plate; ejector blocks are arranged on the left side and the right side of the lamp shell through springs, the ejector blocks penetrate through fixing holes formed in the ejector blocks to fix the lamp shell so as to fix the LED base, the ejector blocks are manually pressed to enable the ejector blocks to drive the springs to contract, and at the moment, the compression springs eject the ejector plates upwards through tension, so that the lamp shell moves upwards.

The invention discloses a multi-functional dedicated feather brush for a cartoon. The multi-functional dedicated feather brush comprises an outer wooden pole, a first limited block and a storage housing, wherein a handheld part is fixedly mounted on the left side of the outer wooden pole; a straight slot is formed in the upper surface of the outer wooden pole; rubber belts are respectively arranged on two sides of the straight slot; magnetic sheets are fixedly mounted at the bottoms of the rubber belts; a phosphor strip is fixedly connected to the front surface of the outer wooden pole; an inner wooden pole is arranged inside the outer wooden pole; a spring is mounted on one side of the inner wooden pole, and is positioned inside the straight slot; irons are fixedly mounted on the upper side and the lower side of the first limited block; one end of the first limited block penetrates through the straight slot to be fixedly connected with one end of the spring; a threaded connection shaft is arranged on one side of the inner wooden pole; a connecting seat is fixedly connected to one side of the threaded connection shaft; and a feather tract is mounted on one side of the connecting seat. The multi-functional dedicated feather brush is reasonable in design, and convenient to use, and has the functions of resisting skid, extending and retracting, and carrying a light source and a storage device.

The invention belongs to the field of medical treatment and especially relates to a walking stick with a ventilation effect. The walking stick comprises a supporting handle, wherein a first cavity isformed in the supporting handle, a plurality of first ventilation holes communicated with the outside are formed in a lateral wall of the first cavity, supporting blocks are fixedly connected to the two sides of the lower end of the supporting handle, grooves are formed in lower end faces of the supporting blocks, the first cavity is communicated with the grooves through connection pipes, telescopic pipes are fixedly connected to the lower ends of the connection pipes, supporting rods are arranged in the grooves, the lower ends of the telescopic pipes are fixedly connected with the upper endsof the supporting rods, three-way valves are arranged in the supporting rods, first air exhaust ends of the three-way valves are communicated with the grooves through first air exhaust channels, firstair exhaust openings are arranged on lateral walls of the grooves, control valves are arranged in the first air exhaust openings, a holding handle is fixedly connected between the two supporting rods, and a second cavity is formed in the holding handle. The walking stick disclosed by the invention not only has better ventilation and reduces patient pain, but also is convenient to use; furthermore, the length of the walking stick is convenient to adjust.

The invention relates to the technical field of power transmission and transformation, and discloses an intelligent fault monitoring device for power transmission and transformation, comprising a device body. A handle is fixedly connected to the front face of the device body. A base is fixedly connected to the bottom of the device body. A damping structure is fixedly connected to the inner portionof the base and the top of the damping structure is fixedly connected with the bottom of the device body. A damping support rod is fixedly connected to the inner portion of the base and the top of the damping support rod is fixedly connected with the bottom of the device body. A rubber spring is fixedly connected to the inner portion of the base and the top of the rubber spring is fixedly connected with the bottom of the device body. A connecting block is fixedly connected to the back face of the device body. A first connecting shaft is fixedly connected to the bottom of the connecting block.A telescopic structure is movably connected to the outer portion of the first connecting shaft. According to the intelligent fault monitoring device for power transmission and transformation, purposes of being high in damping function and convenient to move are achieved.

The invention discloses a noninvasive tibia stretching traction apparatus, which comprises a clamping tube, wherein a connecting plate is arranged at one end of the clamping tube; mountain-climbing buckles are arranged at two sides of the connecting plate; a first protective layer and a second protective layer are arranged on the inner wall of the clamping pipe; lantern rings are arranged betweenthe first protective layer and the second protective layer; silicone exhaust tubes are arranged on the first protective layer and the second protective layer; the silicone exhaust tubes are arranged in a mode that one ends of the silicone exhaust tubes run through the clamping tube; the clamping tube is of a hollow structure and is provided with an interlayer; a drying agent is contained in the interlayer; air vents are kept in the inner layer of the clamping tube; a fixing device is arranged at the other end of the clamping tube; a fixing ring is arranged on the inner ring surface of each lantern ring; a protective device is arranged on the inner ring surface of each fixing ring; an electric cylinder is arranged on the clamping tube; the electric cylinder is fixedly connected to the clamping tube; a pedal is arranged at the tail end of the electric cylinder; the pedal is in hinged connection to the electric cylinder; and connecting rings, which are matched with the mountain-climbing buckles, are arranged on the pedal. With the application of the noninvasive tibia stretching traction apparatus, foot drop can be prevented; and by virtue of the air vents and the drying agent which are cooperated in use, sweat in legs of a patient can be absorbed conveniently.

The invention discloses a multifunctional intelligent crutch. The multifunctional intelligent crutch comprises a crutch body, a handle, an underarm support and a crutch head, wherein the crutch body comprises a main pipe, an upper pipe and a lower pipe; the handle is positioned on the main pipe; the underarm support is positioned at the upper part of the crutch body, and is connected with the upper pipe; the crutch head is positioned at the lower part of the crutch body; a first positioning hole, a first memory hole, a second positioning hole and a second memory hole are formed in the main pipe; a plurality of limiting holes are formed in the upper pipe and the lower pipe. The multifunctional intelligent crutch has the characteristics that the functions are diversified, the operation is convenient, the carrying is convenient and the like; the multifunctional intelligent crutch is suitable for being popularized and applied.

The invention discloses a cutting device for kraft paper protective films. The cutting device comprises a box body; support legs are arranged at the bottom of the box body; one end of the top of the box body is fixedly connected with a bracket; a cutting mechanism is arranged at the bottom of the bracket; a clamping device is arranged in the box body, and includes a forward/reverse rotating motor; an output shaft of the forward/reverse rotating motor is fixedly connected with the back surface of a wire winding wheel; the surface of the wire winding wheel is fixedly connected with one end of a pull rope; and the other end of the pull rope is clamped with a hanging ring arranged on one side of a connecting plate through a hanging hook. The cutting device for the kraft paper protective films reaches the clamping effect, effectively prevents the kraft paper protective films from shaking in the cutting process, prevents the kraft paper protective films from be inaccurately cut due to shaking, prevents wastes, improves the cutting efficiency, brings economic benefits, is convenient for people to use, and is reasonable in design, high in adaptability and convenient to popularize and apply.