40results about How to "Easy to rotate freely" patented technology

The invention relates to a load self-adaptive pneumatic balance hoisting device. The device comprises a lower base, an upper base which is connected with the lower base through a first in-built bearing, a four-bar linkage which is hinged to the top of the upper base, a pneumatic control system which is in transmission connection with the four-bar linkage, and a hoisting fixing unit and a heavy object block which are respectively arranged at the front end and the rear end of the four-bar linkage; the pneumatic control system comprises a pneumatic control box which is fixedly connected with the upper base and a pneumatic cylinder which is connected with the pneumatic control box; the top of a pneumatic rod of the pneumatic cylinder is hinged to the four-bar linkage. Compared with the prior art, the existing constant load hoisting is improved into variable load self-adaptive hoisting by the load self-adaptive pneumatic balance hoisting device; the technical advantage that the existing hoisting structure is simple and quick are reserved; the defects that the existing hoisting structure can only perform constant load hoisting, is low in efficiency and the like can be overcome; the overall structure is simple and compact; load self-adaptive automatic control can be realized.

The invention discloses a rotary waste heat recycling device. The rotary waste heat recycling device comprises a box cover, a heat recovery barrel and a heat insulation box, a rotating shaft fixedly penetrates through the axes of the two ends of the heat recovery barrel, a scale scraping mechanism is installed on the rotating shaft located in the heat recovery barrel, a propeller is connected intoa propeller bin through a bold shaft, a gear used for driving the scale scraping mechanism is installed at the other end of the bold shaft, a cold water inlet is formed in the left end face of a water inlet cavity, and a hot water outlet is rotatably connected to the other end of the rotating shaft. According to the rotary waste heat recycling device, by arranging partition plates, the stroke ofsmoke can be increased, the smoke is used for pushing the heat recovery barrel to rotate, then the staying time of high-temperature smoke is prolonged, the heat recovery barrel can fully absorb heat,and the heat recovery efficiency is improved. The propeller is driven by water flow to drive a gear ring at the other end of the bold shaft, the scale scraping mechanism can be driven to reversely rotate in the heat recovery barrel to wash the inner wall of the heat recovery barrel, scale formation is prevented, and the heat recovery efficiency of the heat recovery barrel can be kept.

The invention discloses a pre-pressing pad used for a road milling machine and capable of improving the self-rotation performance of a cutter. It is composed of a plate-shaped main body, a central hole is opened at the geometric center point of the plate-shaped main body, and the peripheral edge of the plate-shaped main body is circular. , a plurality of notches uniformly arranged along the circumferential direction are set at the peripheral edge, and each notch is sunken toward the center point of the plate-shaped main body 3-1; the thickness at the central hole of the plate-shaped main body is the largest, and the thickness is determined by the central hole Gradually decrease around; the bottommost point B of all the notches is on the same circle in a radial section, the circle is a circle centered on the center point and the diameter is D2, D2=(D1‑10) mm, D1 is the diameter of the peripheral edge of the plate-shaped main body; the present invention can not only improve the free rotation of the tool in good time when the tool is stuck, but also slow down the wear between the pre-compressed gasket and the tool seat, improve the force of the tool, and make it The force is uniform, reducing wear and partial wear, ensuring the normal service life of the tool.

The invention belongs to the technical field of aviation signal lamps, and particularly relates to an aircraft obstruction beacon. The aircraft obstruction beacon comprises a lampshade, an element boxand an LED bulb module, and also comprises an upper cover, a lower cover, a motor, a turn plate, a support pillar upper shell, a support pillar lower shell, a support spring, an LED lamp electrode upper plate, an LED lamp electrode lower plate, a motor remote control box, an upper motor fixing hole, a lower motor fixing hole, and a bulb sliding slot and a bulb hole formed on the inner side of thetop of the upper cover, wherein the bulb hole is formed in the upper cover, and the bottom end of the bulb hole is positioned in the bulb sliding slot; the element box is installed on the top of thebulb hole, a through hole is formed in the middle part of the element box, and the through hole is corresponding to the bulb hole; the lampshade is fixedly connected with the top of the upper cover, the lampshade is connected with the outer part of the element box in a sleeving manner, and the lampshade is positioned on the element box. According to the aircraft obstruction beacon, a plurality ofstandby bulbs are arranged to be stored at the bottom of the aircraft obstruction beacon in the way of the turn plate; when one LED bulb module is failed, the bulb is changed in a remote control manner; and the aircraft obstruction beacon is convenient to use and safer.

The invention discloses a flexible lithium battery, which comprises a plurality of lithium battery housings, a plurality of rotating sleeves and a plurality of FPCs, wherein lithium batteries are embedded into inner cavities of the plurality of lithium battery housings separately; each of the plurality of FPCs comprises a positive flexible circuit board and a negative flexible circuit board; positive electrodes and negative electrodes of two adjacent lithium batteries are connected with the positive flexible circuit board and the negative flexible circuit board of each FPC respectively; the inner cavities of the plurality of rotating sleeves are of a hollow structure and are transparent from top to bottom; each rotating sleeve rotationally sleeves the top of an outer wall of one lithium battery housing; a plastic buckle is arranged on the outer wall of each rotating sleeve; and two adjacent lithium battery housings are rotationally clamped on the outer walls of the rotating sleeves through the corresponding plastic buckles. The whole flexible lithium battery disclosed by the invention can be rotationally folded freely and can be matched with the appearance structures of most curvedelectronic products for use, so that the application range of the lithium battery is expanded.

The invention discloses a connecting structure for a wheel hub and steel wires. Each steel wire on a wheel is a direct-pull steel wire with a tip; each direct-pull steel wire passes through a stop block, and is fixed to a wheel rim after movably passing through a corresponding connecting bulge on the hub; opposite faces of each stop block and the corresponding connecting bulge respectively form an arc-shaped convex face and an arc-shaped concave face which are convenient for the corresponding direct-pull steel wire to freely rotate; each stop block a spherical washer; a through hole convenient to the corresponding direct-pull steel wire to pass through is formed in each spherical washer; a fixing hole convenient for the corresponding direct-pull steel wire to movably pass through is formed in each connecting bulge; a spherical concave face used as the arc-shaped concave face is formed at one side of each fixing hole. According to the connecting structure disclosed by the invention, the steel wires can be easily installed on the wheel hub, and moreover, the steel wires connected between the wheel hub and the rim are not easy to break off; the connecting structure is very useful and valuable.

The invention discloses a balance ring barrel bottom spin riveting machine for an inner barrel of a washing machine. The balance ring barrel bottom spin riveting machine comprises a mounting rack, a first supporting frame is fixedly connected to one side of the mounting rack, a first clamping structure is connected to the first supporting frame in a sliding mode, a first driving structure is connected to the first clamping structure, a riveting structure is fixedly connected to the bottom of the mounting rack, the riveting structure is arranged below the first clamping structure, and an auxiliary supporting structure is further arranged at the bottom of the mounting rack. The balance ring barrel bottom spin riveting machine can overcome the defects in the prior art.

The invention relates to tensioning equipment, in particular to a force increasing tensioner. By adoption of the force increasing tensioner, the problems that in the prior art, a single-handle tensioner cannot effectively and easily fasten a belt or improve the safety of cargo binding are solved. The force increasing tensioner is simple in structure, attractive in appearance and convenient to use and comprises a machine shell, an edge plate, a connecting pin, a semicircular shaft, a square lock, a handle body and ratchets. A conventional handle is mounted at one end of the edge plate, and the other end of the edge plate is movably connected with the semicircular shaft and the machine shell. The edge plate is formed by fixedly connecting and combining a left edge plate body and a right edge plate body which are symmetrical. The ratchets are mounted at the two ends of the semicircular shaft and located between the machine shell and the edge plate. The semicircular shaft is combined with the edge plate, the ratchets and the machine shell in a spaced mode. The edge plate is movably connected with a force increasing handle which is provided with the force increasing handle body, edge plates on the two sides of the force increasing handle, and a force increasing hand lever.

The invention relates to an underground rotary lifting sprinkling irrigation fixing and supporting device. The sprinkling irrigation fixing and supporting device comprises a fixing sleeve, a lifting pipe sleeved with the fixing sleeve and a seal pipe head arranged at the top of the fixing sleeve; a reset spring arranged on the outer wall of the lifting pipe in a sleeving mode is arranged between the seal pipe head at the upper end of the fixing sleeve and a convex ring at the bottom of the lifting pipe, an upper limiting ring and a lower limiting ring are arranged in the lifting pipe, an annular rubber seal part is arranged at the outer side of the upper limiting ring, a floating ball is arranged between the upper limiting ring and the lower limiting ring, a drain pipe is arranged at the top end of the lifting pipe, a conical soil-preventing plug is arranged at the top of the drain pipe, and the bottom of the drain pipe is of a zigzag structure. The problem that a farmer carries pipelines back and forth to install a support nozzle is solved, a convenience body can be directly installed in the middle of a land by means of the technology without occupying land space or affecting cultivation, labor cost is reduced, and labor productivity is improved. After a water pump is turned off, the convenience body will be pulled back underground along with bounce force of the reset spring.

The invention discloses a ship mooring rope column capable of easily bundling a mooring rope. The column comprises a bottom plate, and a mounting hole which is through up and down is reserved in the bottom plate; a supporting table is fixedly connected to the middle of the upper surface of the bottom plate; and supporting pipes are arranged on the left side and the right side of the supporting table correspondingly. The lower end of the supporting pipe is fixedly connected to the upper surface of the bottom plate; a chute is reserved in the upper surface of the bottom plate on the front side of the supporting pipe, a sliding block is slidably connected into the chute and fixedly connected to the lower end of a connecting block, the upper end of the connecting block is fixedly connected tothe lower surface of a toothed rod, the lower surface of the toothed rod is in shaft connection with a supporting rod, and the upper end of a connecting pipe is embedded into the lower end of the supporting rod. According to the ship mooring rope column capable of easily bundling the mooring rope, the ship can be conveniently and stably berthed, the mooring rope can be conveniently bundled, the mooring rope bundling speed of workers is increased, the labor intensity of the workers can be reduced, and the mooring rope column is simple in structure and easy to use.

The invention relates to a load self-adaptive pneumatic balance hoisting device. The device comprises a lower base, an upper base which is connected with the lower base through a first in-built bearing, a four-bar linkage which is hinged to the top of the upper base, a pneumatic control system which is in transmission connection with the four-bar linkage, and a hoisting fixing unit and a heavy object block which are respectively arranged at the front end and the rear end of the four-bar linkage; the pneumatic control system comprises a pneumatic control box which is fixedly connected with the upper base and a pneumatic cylinder which is connected with the pneumatic control box; the top of a pneumatic rod of the pneumatic cylinder is hinged to the four-bar linkage. Compared with the prior art, the existing constant load hoisting is improved into variable load self-adaptive hoisting by the load self-adaptive pneumatic balance hoisting device; the technical advantage that the existing hoisting structure is simple and quick are reserved; the defects that the existing hoisting structure can only perform constant load hoisting, is low in efficiency and the like can be overcome; the overall structure is simple and compact; load self-adaptive automatic control can be realized.

Disclosed are an anti-theft spring lock and a key of the anti-theft spring lock. A key hole of the anti-theft spring lock is composed of a horizontal hole, an upright hole and a cylindrical hole which are mutually communicated. One end of the horizontal hole is arranged on a lock core end board, and the other end of the horizontal hole is arranged inside a lock core. A central line of the upright hole is coincided with a central line of the horizontal hole, one end of the upright hole is arranged at the front end of the lock core and a certain distance is arranged between the end of the upright hole and the lock core end board, the other end of the upright hole is arranged inside the lock core and is aligned to the horizontal hole, the lock core and the lock body are provided with spring lock holes with inclined angle of 180 degrees of each other and arranged at the coplanar positions with the upright hole, and marbles and springs are arranged inside the spring lock holes. One end of the cylindrical hole is aligned to the horizontal hole, the other end of the cylindrical hole is arranged at the tail end of the lock core, the sectional diameter of the cylindrical hole is equal to or larger than the radical length of the upright hole, and the anti-theft spring lock is strong in anti-theft capability. The key of the anti-theft spring lock comprises a key ring, a key handle and a key body fixedly connected at the tail end of the key handle, the key body is rectangular, grooves of 180 degrees with each other are arranged in the key body, the key cannot be copied easily, and mutual unlocking rate of the key is low.

The invention provides a computer earphone and a using method thereof. The computer earphone comprises a counterweight supporting pad, an arc-shaped supporting pad and an earphone body. The surface ofthe counterweight supporting pad and the arc-shaped supporting pad are integrally formed. Shaping iron sheets are inlaid in the counterweight supporting pad and the arc-shaped supporting pad, a supporting groove is formed in the surface of the arc-shaped supporting pad, an air cushion is bonded to the inner wall of the supporting groove, a magnet sheet is bonded to the surface of the air cushion,a clamping groove is formed in the bottom of the earphone body, and a rubber pad is bonded to the inner wall of the clamping groove. The invention relates to the field of earphones. According to thecomputer earphone, the traditional supporting mode of the earphone is changed, and the head does not bear the gravity of the earphone any more; the normal use of the earphone is not influenced by thesupporting structure; the support strcture does not bring discomfort, and can play a role in protecting the cervical vertebra, so that the problems that most of existing computer earphones are headphones, the hair is easy to collapse after long-time use, the hair style is seriously damaged, and the external image of people is influenced are effectively solved.

Disclosed are an anti-theft spring lock and a key of the anti-theft spring lock. A key hole of the anti-theft spring lock is composed of a horizontal hole, an upright hole and a cylindrical hole which are mutually communicated. One end of the horizontal hole is arranged on a lock core end board, and the other end of the horizontal hole is arranged inside a lock core. A central line of the upright hole is coincided with a central line of the horizontal hole, one end of the upright hole is arranged at the front end of the lock core and a certain distance is arranged between the end of the upright hole and the lock core end board, the other end of the upright hole is arranged inside the lock core and is aligned to the horizontal hole, the lock core and the lock body are provided with spring lock holes with inclined angle of 180 degrees of each other and arranged at the coplanar positions with the upright hole, and marbles and springs are arranged inside the spring lock holes. One end of the cylindrical hole is aligned to the horizontal hole, the other end of the cylindrical hole is arranged at the tail end of the lock core, the sectional diameter of the cylindrical hole is equal to or larger than the radical length of the upright hole, and the anti-theft spring lock is strong in anti-theft capability. The key of the anti-theft spring lock comprises a key ring, a key handle and a key body fixedly connected at the tail end of the key handle, the key body is rectangular, grooves of 180 degrees with each other are arranged in the key body, the key cannot be copied easily, and mutual unlocking rate of the key is low.

The invention provides an improved structure for connecting a wheel hub and steel wires. Each steel wire arranged on a wheel is a straight pulling steel wire provided with an end head, the circumferences of the two sides of the wheel hub are respectively provided with a plurality of connecting convex parts in annular belt-shaped uniform distribution, each connecting convex part is provided with a fixing hole along the radial direction of a shaft hole of the wheel hub, each straight pulling steel wire passes through a limiting block, movably passes through the fixing hole formed in the corresponding connecting convex part and is then fixedly arranged on a wheel rim of the wheel, each limiting block is provided with an arc-shaped convex surface convenient for the straight pulling steel wires to freely rotate, each limiting block is a spherical washer, each spherical washer is provided with a through hole convenient for the straight pulling steel wires to pass through, the inner circumferences of the two sides of the wheel hub are respectively provided with inner ring grooves, and the fixing holes formed in the connecting convex parts positioned at the same side of the wheel hub are distributed in the corresponding inner ring grooves. The improved structure has the advantages that the steel wires can be easily arranged on the wheel hub, in addition, the steel wires connected between the wheel hub and the wheel rim cannot be easily fractured, and a very useful value is realized.

The present invention relates to a fixed sprinkling irrigation convenient body capable of automatically rising and falling. The convenient body comprises a fixed sleeve, an elevating pipe inserted in the fixed sleeve and a sealing pipe head arranged on a top of the fixed sleeve; a return spring which sleeves an outer wall of the elevating pipe is arranged between the sealing pipe head at the top end of the fixed sleeve and a convex ring at a bottom of the elevating pipe; an upper limit ring and a lower limit ring are arranged in the elevating pipe; a ring-shape rubber sealing member is arranged on an outer side of the upper limit ring; a floating ball is arranged between the upper limit ring and the lower limit ring; a water draining pipe is arranged at the top end of the elevating pipe; a tapered soil prevention plug is arranged on the top of the water draining pipe; and the bottom of the water draining pipe is a saw-tooth structure. According to the fixed sprinkling irrigation convenient body capable of automatically rising and falling provided by the present invention, the problem that farmers need to move pipes for installing brackets and sprayers back and forth is solved, and the convenient body can be directly placed in the middle of a land by means of the technology without land space occupied, so that labor costs are reduced and a labor productivity rate is improved. When a water pump is closed, the convenient body will be pulled to the land along with a back force of the return spring.

The invention relates to an intercepting type gutter inlet device which comprises a well cavity with the periphery closed and a permeable well lid; a water inlet chamber, a water passing chamber and a flow dividing chamber are adjacently arranged on the upper portion in the well cavity; water outlet rotating discs used for opening or closing channels of the water passing chamber and the flow dividing chamber are arranged on the adjacent side walls of the water passing chamber and the flow dividing chamber; a communicating chamber is arranged on the lower portion in the well cavity; the water inlet chamber and the water passing chamber are communicated with the communicating chamber; the permeable well lid is arranged at the top of the water inlet chamber and used for allowing external rainwater to enter into the water inlet chamber; a water drainage pipe used for water drainage is arranged at the bottom of the side wall of the communicating chamber; a water outlet pipe used for water drainage is arranged on the side wall of the flow dividing chamber; and a water inlet mechanism, a drainage mechanism, a water outlet mechanism, a rotating mechanism, a transmission mechanism and the like are arranged in the well cavity. According to the intercepting type gutter inlet device, by means of the water inlet chamber, the water passing chamber, the flow dividing chamber and the related mechanisms arranged in the well cavity, road surface rainwater with different pollution degrees in different rainfall stages can be automatically classified and intercepted, so that a subsequent rainwater treatment facility can conduct targeted treatment conveniently, and then the water quality of a downstream receiving water body is protected.

The invention belongs to the technical field of aviation signal lamps, and is specifically an aircraft aviation obstruction light, which includes a lampshade, a component box, an LED bulb module, an upper cover, a lower cover, a motor, a turntable, an upper shell of a support column, and a support column Lower shell, support spring, upper LED lamp electrode, lower LED lamp electrode, motor remote control box, motor upper fixing hole, motor lower fixing hole, bulb chute and bulb hole arranged on the inner side of the top cover; the upper cover There is a bulb hole, and the bottom of the bulb hole is located inside the bulb chute; a component box is installed on the top of the bulb hole, and a through hole is arranged in the middle of the component box, and the through hole corresponds to the bulb hole; the top of the upper cover is fixed Connected with a lampshade, the lampshade is sleeved on the outside of the component box, and the lampshade is located above the component box. In the present invention, a plurality of spare bulbs are stored in the bottom of the aviation obstruction light in the form of a turntable. The replacement of the light bulb is convenient and safer.