130 results about "Screw post" patented technology

This invention relates to a supersonic motor, in which, a flange is set on a screw post, compressional vibration piezoelectric ceramic plate sets, bent vibration piezoelectric ceramic plate sets, pole copper plates and a cover are mounted on the post and fixed to become one unit with a cross orthogonal luff rod by the post, the polarization directions of two adjacent bent vibration piezoelectric ceramic sets are opposite and those of the two adjacent compressional piezoelectric ceramic sets are opposite, a drive foot is placed at the center of the luff rod and fixed on it and a rotor ball sits on the drive foot and the fixed component fastened to the flange.

A welding table with elevation system, powered with cordless drill, gear reducer, chain, sprockets and, ultimately turning screw posts synchronously, lifting four telescoping legs. Maximum elevated height exceeds most work benches for height matching, and a minimum height goes lower than most low tables. Folding wheel system is independent, lever operated, and works in conjunction with the elevation system. Once table rolls into position, drill is activated, braking is instant, the table lifts itself from the wheels. Wheels are then folded up, a position necessary during minimum height, as the frame gets closer to the ground. This low height enables sitting roll stool usage, and knees and legs enter the rear frame opening. Two drawers above conceal the wheels, have a lever locking system, and necessary when rolling the table. The table top is heavy, one piece removable with normal modular patterned holes throughout, and the addition of large oval holes, and top side overhang, both establishing C-Clamp usage.

A lifting holder structure contains a base and a moving rod, and the base includes plural fitting sleeves which are fitted together, the moving rod includes a first screwing post arranged on a bottom end thereof and fitted into a second screwing post via a lowermost of the plural fitting sleeves. The second screwing post and the plural fitting sleeves are fixed via an interstitial connecting structure, and a top of the second screwing post is limited by a driving post within an angle range and is driven by an angular coupling structure, such that the driving post rotates to drive the second screwing post and a first screwing post to change a pitch stroke, thus moving a lifting holder vertically.

This invention relates to a supersonic motor, in which, a flange is set on a screw post, compressional vibration piezoelectric ceramic plate sets, bent vibration piezoelectric ceramic plate sets, pole copper plates and a cover are mounted on the post and fixed to become one unit with a cross orthogonal luff rod by the post, the polarization directions of two adjacent bent vibration piezoelectric ceramic sets are opposite and those of the two adjacent compressional piezoelectric ceramic sets are opposite, a drive foot is placed at the center of the luff rod and fixed to it.

An anchoring fixture for stools capable of adjusting elevation is installed on an axle hub hinged on the top end of tripod legs which rest on the floor. The axle hub has a longitudinal axle hole to hold a screw post fastened to the bottom of a stool. The axle hub has a hinge portion on one side of the top surface. The hinge portion has lugs on two sides to be coupled with one end of two clamping members. The clamping members have another end to be fastened by a fastening element. The hinge portion and the two clamping members have respectively a thread portion which jointly mates and couples with the screw post beneath the stool. Thus the elevation of the stool may be rapidly adjusted upwards and downwards to clamp the screw post tightly.

The invention relates to an eccentric screw and a method for assembling and constructing the eccentric screw. The eccentric screw comprises a screw cap, a screw neck, a screw post, and a female screw, wherein the screw cap whose section is a round shape and is integrated with the eccentric screw. The diameter of the screw post is smaller than the diameter of the screw neck, the screw post and the screw neck are connected eccentrically, namely that the axial center of the screw post b is not superposed with the axial centers of the screw cap and the screw neck, a parallel notch is opened on the top face of the screw cap, and the parallel notch penetrates simultaneously through the axial centers of the screw cap and the screw neck and the axial center of the screw post. And one end of the parallel notch which penetrates the axial centers of the screw cap and the screw neck is stretched to the edges of the top face of the screw cap, and the end of the parallel notch which penetrates through the axial center of the screw post is not stretched to the edges of the top face of the screw cap. The eccentric screw can regulate the location of a decorative plate without regulating a keel, and more easily controls the global paleness, and assembly type construction increases the speed of the construction.

A seat support structure of a bicycle comprises a seat supporting tube; a seat supporting rod received in the seat supporting tube; a lower lateral side of the seat supporting rod having a first inclined surface; the seat supporting rod being formed with an upper hole and a lower tapered hole; a tightening assembly received in the seat supporting tube; the tightening assembly having a tightening unit, an embedding unit; and a stud; in assembly, a screw post of a stud passes through the upper hole, the lower tapered hole, the stud hole of the tightening assembly and the embedding hole of an embedding hole so as to combine the tightening assembly to the seat supporting rod; then the seat supporting rod and the tightening assembly are placed within the seat supporting tube.

The invention relates to a post-construction device of screw post and relative method, which uses pump to fill concrete to overcome the defects of present screw posts which need more processes and can not construct in worse geologic condition. It comprises a drill rod (1), a drill head (2), an outer sheath (3), a leaf (4), a rolling wheel (5), a swing rod (6), a drawn wire (7), an oil cylinder (8) and a hydraulic system. Wherein, one end of drawn wire (7) is fixed on the piston rod of oil cylinder (8) and another end is fixed on one end of swing rod (6); the another end of swing rod (6) is connected to the rolling wheel (5). The invention can complete the construction of screw post in one time, which comprises: first drilling a post hole; filling the concrete in the inner hole of drill rod (1) into the post hole; the hydraulic system retracts the piston rod of oil cylinder to rotate the swing rod counterclockwise; the edge of rolling wheel enters the inner wall of post hole; upwards lifting the drill rod and rotating the drill rod to roll out a groove and inserting the steel cage into the post concrete.

The invention relates to a pulp screw post, construction method and relative pulp device. Said invention comprises: concrete post which comprises: a steel bar strengthen element. The outer surface of concrete post has screw projectors. The construction method comprises: preparing cement, concrete, steel bar cage, and starting the drilling machine; pressurizing the pulp device at preset speed; then filling cement when the driller is into the soil and filling concrete via concrete pipeline; and stopping filling cement when reaching preset depth; reversely extracting out the pulp device in same speed; at last mounting the steel bar cage. The invention can be used at the strengthen post.

A seat support structure of a bicycle comprises a seat supporting tube; a seat supporting rod received in the seat supporting tube; a lower lateral side of the seat supporting rod having a first inclined surface; the seat supporting rod being formed with an upper hole and a lower tapered hole; a tightening assembly received in the seat supporting tube; the tightening assembly having a tightening unit, an embedding unit; and a stud; in assembly, a screw post of a stud passes through the upper hole, the lower tapered hole, the stud hole of the tightening assembly and the embedding hole of an embedding hole so as to combine the tightening assembly to the seat supporting rod; then the seat supporting rod and the tightening assembly are placed within the seat supporting tube.

The invention provides a vacuum impregnation device of a fiber composite material. A cylinder of the vacuum impregnation device is convex, the bottom of the vacuum impregnation device is fixed on a rack; a feeding screw nut for a feeding screw post is fixed on the rack; the lower end surface of a piston provided with a sealing ring is connected with the end surface of the feeding screw post, and the upper end surface of the piston is fixed together with a PTFE (Polytetrafluoroethylene) plate; supporting nets are fixed on the lower end surfaces of bushes at two inner sides of the cylinder; thetop of the cylinder is provided with an upper cover of a sealing cavity; a rotating shaft passes through a through hole in the upper cover of the sealing cavity, and the lower end surface of the rotating shaft is connected with a PTFE roller; and the upper cover of the sealing cavity is also provided with a gas charging / discharging hole and a pressure gauge. When the vacuum impregnation device isused, an appointed amount of resin is sprayed uniformly in a groove of the PTFE plate through a paint spray gun, evacuation is carried out, the rotating shaft is rotated to drive the PTFE roller to rotate on the supporting nets to evict remained air bubbles in a fabric and the resin, then the pressure in the device is released, the piston is withdrawn by using the feeding screw post, and the fabric is taken down to continuously dry. The vacuum impregnation device is simple in operation and capable of controlling the content of impregnation resin, ensuring the uniformity of the impregnation resin and effectively improving the impregnation effect of the fabric.

The invention discloses a construction carrier comprising a body, wheels and handles. The wheels are hinged to a bottom plate of the body through bearings. The handles are fixed to the rear outer wall of the body. The bottom edge of a front oblique plate of the body is hinged to the front edge of the bottom plate. Connecting bars are hinged to left and right sides of the front oblique plate. The top of each connecting bar is provided with an insert portion. An insert block provided with a receiving hole is fixed to the outer wall of each of left and right plates of the body. The insert portions are inserted into the receiving holes. Two support legs are fixed at the rear of the bottom plate of the body. The lower end of each support leg is provided with a connecting screw to which a lower screw post is connected; the lower screw post is provided with an elastic block. overturning the whole construction carrier is not required, the front oblique plate is turnable, and accordingly material can be poured out without overturning the body; the construction carrier is simple in structure, light in weight and capable of being parked anytime and anywhere so that great conveniences are brought.

The invention discloses a solar cell panel installation support with adjustable angle. The support comprises a fixed base plate. The two ends at the front side of the fixed base plate are fixedly provided with a first articulation base each. The first articulation base is articulated to a vertical front support rod. The back side of the front support rod is provided with a vertical back support rod. The two ends of a connection rod are articulated to the front support rod and the lower end of the back support rod respectively through articulation shafts. The connection rod abuts against an arc adjusting rod. The lower end of the adjusting rod is fixedly arranged on the fixed base plate while the upper end is fixedly arranged on the front support rod. The adjusting rod is provided with an arc shaped direction guiding groove. The direction guiding groove is inserted by a screw post. One end of the screw post is fixed on the connection rod while the other end penetrates the adjusting rod and is connected with the first adjusting nuts through screws. Simple in structure, the support can be adjusted in full angles so as to meet the solar cell panel's requirement to receive sunlight and to increase the energy utilization efficiency of solar cell panel.

A screw post is detachably screwed with a self-tapping screw. The screw post includes a post body and a rib structure. The post body has an approximately triangular hollow structure formed therein. The approximately triangular hollow structure has three arc-shaped sides. The rib structure protrudes from an outer surface of the post body corresponding to at least one of the three arc-shaped sides in an axially-extending manner. The self-tapping screw is screwed into the approximately triangular hollow structure.

A single screw extrusion desulfurization and post-processing system, and a method for preparing reclaimed rubber, the single screw extrusion desulfurization and post-processing system comprising: a single screw desulfurization device, a single screw post-processing device and a closed connection device connecting the single screw desulfurization device and the single screw post-processing device. The single screw post-processing device comprises a post-processing feeding device and the post-processing device mutually connected, and the post-processing screw running through the post-processing feeding device and the post-processing device.

The invention discloses a high-efficiency bearing cleaning device, which includes a support base plate, a cleaning machine casing is installed on the support bottom plate, a driving motor is fixed on one side of the cleaning machine casing, and the output shaft of the driving motor passes through the The shaft coupling is connected with the rotating shaft, and one end of the rotating shaft is fixed with a bolt column, and an upper splint and a lower splint are fixed on the bolt column, and a top cover is installed on the top of the washing machine casing, and a A water pump, the water pump is connected with a conduit, a spray nozzle is installed on the conduit, and a cabinet door and a PLC controller are installed on the surface of the washing machine casing. The present invention can control the distance between the upper splint and the lower splint by adjusting the bolt column, is suitable for different bearing types and sizes, and can clamp the bearing to avoid the phenomenon that the bearing falls during cleaning, and the driving motor can be Drive the upper splint and the lower splint to rotate, so that the bearings can be fully cleaned.

A thermoforming machine includes an upper frame (10) and a lower frame (40). The upper frame includes a top bracket (20) and a bottom bracket (30). The top bracket has a driving mechanism and a screw post (272) therein. The bottom bracket has an upper base plate (32) and a lower base plate (36) disposed with a distance therebetween. The upper base plate has a top forming plate (324) thereon. The lower base plate has a lower forming plate (362) thereon corresponding to the upper mold plate. One end of the screw post is fixed to the upper base plate, and the other end of the screw post is connected with the driving mechanism. The driving mechanism is for driving the screw post to bring the upper base plate moving toward or away the lower base plate.

The invention discloses an anti-rust tapping screw. A screw body is internally provided with an oil injection hole, an oil storage groove, an oil guide channel and other parts, so that anti-rust oil in the oil storage groove can flow to the surface of a screw rod of a screw post body through the oil guide channel; the oil injection hole is sealed by using a sealing bolt to prevent the anti-rust oil from making direct contact with the outside atmosphere and prevent oxidization; an external thread arranged on the sealing bolt corresponds to an internal thread of the oil injection hole, so that the sealing effect is improved; a groove formed in the sealing bolt facilitates installation and disassembly of the sealing bolt; a self-tapping thread is arranged on a screw tip, so that the screw body has the self-tapping characteristic. Compared with the prior art, the anti-rust performance is good while the characteristics of self-tapping screws are taken into consideration.

The invention discloses a financial certificate punching device, which comprises a bottom plate, an upper plate, a pressure rod, a connecting rod, a hydraulic lifting column, and a round hole. A suction cup is bonded to the bottom of the bottom plate, and a round hole is opened on the upper surface of the bottom plate. An air outlet head is installed in the round hole, and the air outlet head is connected to the air guide pipe. There is a drawer on the bottom plate, and a screw-mounted column is installed in the drawer. There is a screw-mounted hydraulic lifting column on the bottom plate. The upper plate is equipped with a screw-mounted fixing block, the pressure bar is hinged with the fixed block, the connecting rod is welded to the pressing bar, a sleeve is installed on the upper plate, and the connecting rod is connected with the upper plate through the sleeve. The end is tapered, the bottom of the connecting rod is welded with a first spring, and the upper plate is provided with a screw hand wet device. The invention is simple in structure and reasonable in design; the hydraulic lifting column can adjust the height of the upper plate, thereby adjusting the strength when punching holes, and the air outlet head and the air guide pipe can easily clean the paper scraps in the round holes.

A testing apparatus includes a supporting device and a mounting device. The mounting device includes a clamping member. The clamping member includes a first clamping post, a second clamping post, and a screw post located between the first clamping post and the second clamping post. The first clamping post includes a clamping portion for positioning an electronic device. The screw post is moveable relative to the first clamping post and the second clamping post in a direction that is substantially perpendicular to a plane of the supporting device located, so that a distance between the clamping portion and the supporting device is adjusted.

An exemplary heat dissipation device is adapted for dissipating heat generated by an electronic component mounted on a printed circuit board. The printed circuit board is secured on a casing of an electronic system. The heat dissipation device includes a heat sink disposed on the electronic component; and a plurality of fasteners extending through the heat sink, respectively, to assemble the heat sink to the printed circuit board. Each of the fasteners includes a supporting member fixed in the printed circuit board, an engaging member fixed in the board, and a screwing post engaging with the heat sink. A bottom portion of the screwing post extends through the printed circuit board via the supporting member, and is screwed into the engaging member.

A system for externally binding a stack of loose-leaf paper, fabric or other flat media by hand for presentation purposes without a need for creating a spine, hole-punching paper, permanent covers or insertion into pre-constructed sleeves. It employs a slim, external bar made of a dense material, placed in the margin area on the front side of a paper or fabric stack and a rigid backing board on the rear side. The entire assembly is held together firmly by threaded bolts and adjoining screw posts that are adjusted depending upon the quantity of sheets included and their thicknesses. The stack is compressed and decompressed by tightening or loosening the threaded bolts whenever sheets are added or removed. The low-profile system firmly grips paper or fabric with unlikely slippage, requires no heat or adhesives, and provides the ease of turning the pages or sheets as typical in a perfect-bound book. It accommodates common lengths of paper stock and fabric swatches, and multiple thicknesses within the same stack.

A thermoforming machine includes an upper frame (10) and a lower frame (40). The upper frame includes a top bracket (20) and a bottom bracket (30). The top bracket has a driving mechanism and a screw post (272) therein. The bottom bracket has an upper base plate (32) and a lower base plate (36) disposed with a distance therebetween. The upper base plate has a top forming plate (324) thereon. The lower base plate has a lower forming plate (362) thereon corresponding to the upper mold plate. One end of the screw post is fixed to the upper base plate, and the other end of the screw post is connected with the driving mechanism. The driving mechanism is for driving the screw post to bring the upper base plate moving toward or away the lower base plate.

One-step screws (30) and hollow mating limiters (40) are provided for fastening a stiffener (20) of a land grid array (LGA) socket connector (1) on a circuit board. The one-step screws having a shoulder portion (301) between a top portion (302) and the thread portion (303). Each of hollow mating limiters (40) has a lead-in surface (401) on a one end of inner surface of the limiter (40). Because the smallest diameter of the limiter (40) is substantially equal to the one of the shoulder portion (301), the one-step screws (30) are able to be effectively limited within a specific range so as to avoid the possibility of losing screws during moving socket connectors.

The invention discloses a semi-automatic isometric angle extrusion testing device, belongs to the technical field of thermal machining and extrusion of materials and can be applied to an ECAE (equal channel angular extrusion) test of a Ti5553 alloy. The semi-automatic isometric angle extrusion testing device comprises an ejection rod, a lower die, an upper die, a sample baffle device, sample ejection screws, a guide post, a sample outlet channel, a sample baffle, a baffle screw post, screw post connecting rods, an upper-die and lower-die connecting bolt and nuts. According to the semi-automatic isometric angle extrusion testing device, a #-shape channel is formed by the sample baffle device, thereby greatly facilitating the feeding of samples; as the oblique planes of sample baffles are matched with the ejection rod, the sample surrounding device can be automatically reset during extrusion; the samples can be stably taken out by the sample ejection screws without detaching the upper die and the lower die.

The invention discloses a zero-ohm grounding system, comprises a plurality of graphite bodies connected end to end, wherein the graphite bodies are connected into a strip-shaped or planar reticulatedor stereoscopic reticulated grounding system, adjacent graphite bodies are connected through threads, the threaded connection structure comprises graphite studs and threaded holes, and the end parts of the graphite bodies are provided with threaded holes; The cross-sectional shapes of the graphite bodies include polygonal shapes, circular shapes and plum blossom shapes; The adjacent graphite bodies of the strip-shaped grounding system are connected through a graphite screw post matched with a threaded hole of an end part of the graphite body; The planar mesh and the three-dimensional mesh grounding system further comprises a turning angle connector of a steering connection, wherein the turning angle connector is provided with not less than two threaded holes, and the centerline of the threaded holes of the turning angle connector is at least provided with a pair of different directions; The invention has the advantages of light weight, low resistivity, excellent mechanical properties,good corrosion resistance, environmental protection and no pollution, long service life and wide application range.