30results about How to "Avoid the problem of easy loosening" patented technology

The invention relates to an ilium fixing piece with a self-locking nail hole and a supporting platform and for a semi-pelvic prosthesis and belongs to the technical field of artificial semi-pelvic prostheses. The ilium fixing piece is characterized in that a self-locking nail through hole is laterally formed at the upper end of the semi-pelvic prosthesis and is fixedly connected with the residual ilium self-locking nail; an inner cone and a bayonet are formed at the lower end of the semi-pelvic prosthesis and are connected with an upper outer cone and an anti-rotation clamping groove of an acetabulum prosthesis in a matched manner; and a platform facing upwards and used for supporting the residual ilium is arranged between the inner cone and the bayonet. The ilium fixing piece has the beneficial effects that the ilium fixing piece is fixedly connected with the residual ilium through the self-locking nail, so the problem that the common screw is easy to loosen is solved; and the platform for supporting the residual ilium is arranged on the ilium fixing piece and the shear force or the tensile stress of the prosthesis and the residual ilium is converted into pressure stress, so the prosthesis is prevented from loosening. The ilium fixing piece has high stability, is difficult to loosen and meets the requirements on the semi-pelvic and hip joint structure and functional reconstruction after the semi-pelvic tumor is resected and part of the ilium is remained.

The invention relates to a combined reducing machine used for a mixing tank, which is characterized in that an upper box body is internally provided with a hollow input gear shaft; the upper surface of an upper box cover is provided with a motor which drives the hollow input gear shaft; the upper box body is internally provided with an input gear shaft and an input large gear which is engaged with the hollow input gear shaft; the upper box body is internally provided with a middle gear shaft and a middle large gear which is engaged to the input gear shaft; the upper box body is internally provided with an output shaft and an output large gear which is engaged with the middle gear shaft; the lower end of the output shaft is provided with a lower box body and a lower box cover which rotate correspondingly to the output shaft; a transition sleeve which is fixed with the upper box body and concentric to the output shaft is arranged between the lower box body and the upper box body; the transition sleeve is fixedly provided with a solar wheel; the lower box body is internally provided with a planetary wheel shaft which is engaged with the solar wheel, and the lower end of the planetary wheel shaft extends out; the extension end spline of the planetary wheel shaft is provided with a mixing arm which rotates correspondingly to the planetary wheel shaft, thus leading the mixing arm to have revolution and rotation and improving the uniformity of the mixing; furthermore, the combined reducing machine used for a mixing tank has the advantages of simple and compact structure, convenient assembly and maintenance and easy manufacture.

The invention discloses a novel cable joint. The novel cable joint comprises a cable, a fastening bearing, a spring, a casing, a connector and a damp-proof layer, wherein an insulation protective jacket is arranged outside the cable; a metal knitted sleeve is fixed outside the insulation protective jacket and arranged in the fastening bearing, the fastening bearing is sleeved with the spring, gaskets are arranged between the spring and fastening nuts, the damp-proof layer is arranged between the casing and the connector, and fixing elements are arranged on the side surfaces of the connector. The novel cable joint is provided with the connector, the connector is divided into a left part and a right part and is connected into a whole through the fastening bearing and the fastening nuts on the side surfaces of the connector, by means of the spring arranged between the casing and the fastening nuts, the fastening effect is further enhanced, use problems of the cable due to loosening of theconnector are solved, and the connector can be prevented from dampness by means of the damp-proof layer arranged outside the connector.

The invention relates to a multi-function high-speed packing paper equipment and a high-speed packing paper method. The equipment comprises a whole-machine platform; and a back conveying device, a front conveying device provided with an adsorbing device, a braking and fine adjustment device, a packing paper cutting and clamping device and multiple packing paper transition pulleys are mounted on the whole-machine platform. The front conveying device provided with the adsorbing device is adopted, an air suction hole part is designed into a longitudinal long air suction hole, thus packing paper can be adsorbed stably and effectively, and dispersed air suction leaks are avoided. The packing paper braking and fine adjustment device is arranged, the braking and center correction functions for the whole-roll of packing paper can be realized, and the packing paper can be prevented from deviating from a track during clamping. A packing paper conveying device of the packing paper cutting and clamping device adopts multiple reclining driven rollers and a packing paper clamping driving roller, placing and stop actions of the packing paper are realized through opening and closing of the packingpaper clamping driving roller, and the packing paper is effectively ensured to move on the conveying track and is prevented from deviating from the center of the track.

The invention discloses full-automatic nonmetal laser machining equipment. The equipment comprises an equipment support, wherein a workbench top is formed on the upper side face of the equipment support and is provided with a Y-axis module, a Y-orientation jig movement module and a laser machining module, the Y-orientation jig movement module comprises a jig supporting moving plate, jig guide rails, a positioning jig, a Y-orientation air cylinder and a Y-orientation air cylinder push plate, and the laser machining module comprises a fixed base, a laser device mounting plate, an X-axis module,an X-axis moving plate, a Z-axis module, a Z-axis moving plate, a laser cutting head fixing plate and a laser cutting head. The full-automatic nonmetal laser machining equipment is simple in structure, has comprehensive functions, and can be compatible with various feeding and discharging modes including manual labor and robots, and the machining mode of full-automatic unmanned guarding is achieved. Compared with traditional gantry double driving equipment, the full-automatic nonmetal laser machining equipment is simpler in structure, lower in cost and higher in stability; and moreover, the structure for conducting sealing protection on a laser device and two reflectors is adopted so that the maintenance on reflecting lenses and the laser device can be reduced, and the service life can beprolonged.

The invention relates to a tubular bus-bar support device which includes a plurality of support units supporting in a segmented manner along a tubular bus-bar. The support units include an outer sleeve connected to an insulator and an inner sleeve clamping a tubular bus-bar. The inner sleeve is disposed inside the outer sleeve. At least three hydraulic support legs uniformly distributed along thecircumferential direction are arranged between the inner sleeve and the outer sleeve. The inner sleeve is arranged in the outer sleeve through the hydraulic support legs. One end of each hydraulic support leg is a fixed end fixed into one of the inner and outer sleeves, and the other end is a moving end assembled on the other of the inner and outer sleeves in a rolling or sliding manner. Through the support role of the hydraulic support legs between the inner sleeve and the outer sleeve, a floating structure between the inner sleeve and the outer sleeve is formed to buffer the radial and torsional stress between the inner sleeve and the outer sleeve. Therefore, the problem of blocking caused by stress concentration on the support device is reduced, and the problem that the tubular bus-barclamp is easy to loosen in the prior art is solved.

The invention discloses novel low-frequency far-infrared health maintenance and rehabilitation physiotherapy equipment. The equipment comprises a sickbed, guide rails, sliding grooves and a transverseplate, the left end and the right end of the sickbed are fixedly connected with the guide rails, the sliding grooves are machined in the left side and the right side of the inner wall of the inner side of the transverse plate, the left end of a sliding block is fixedly connected with a ball through a transverse rod, and the left side and the right side of a spring are fixedly connected with the transverse plate and the sliding block. The novel low-frequency far-infrared health maintenance and rehabilitation physiotherapy equipment is a scientific and reasonable in structure, and safe and convenient to use, the sickbed, the transverse plate, a buckle plate, a pin shaft, a control panel, a clamping block, the sliding block, the transverse rod, the spring and the ball are arranged and matched, so that the buckle plate can drive the clamping block to move leftwards, the elastic force of the spring at the final position can drive the clamping block to pop up and be inserted into the buckleplate, fixing is achieved, a user can pull the ball leftwards to open the buckle plate to achieve disassembly when disassembly is needed, and the problem that in the prior art, a patient can get outof bed only by taking away or moving physiotherapy equipment, and inconvenience is caused is solved.

The invention relates to the technical field of piston type compressor assembly parts, in particular to a part fastening device with a threaded plug-in type crosshead. The part fastening device comprises a crosshead body, a crosshead nut and a longitudinally-arranged piston rod, and an upward-protruding outer thread supporting ring is arranged on the position, located on the periphery of the crosshead nut, of the upper surface of the crosshead body. According to the part fastening device with the threaded plug-in type crosshead, an inserting block is inserted into an inserting groove and a splicing block is inserted into a splicing groove so as to fix an outer fastening block and the outer thread supporting ring; through an inner thread fixing ring which is in threaded connection with theouter thread supporting ring, the outer fastening bock and the outer thread supporting ring as well as the outer fastening block and the crosshead body are fixed; and through a limiting groove in theouter fastening block, the crosshead nut is fastened and limited, so that the problem that a piston rod of a small-medium compressor is prone to being loose under the conditions that the reciprocatinginertial force is overlarge, the work time is long and the work strength is large is avoided, and the safety and the reliability of continuous work of the compressor are effectively improved.

The invention provides a motor. The motor comprises a mounting rack, a stator, a rotor and a control box, wherein the stator and the control box are arranged on the mounting rack; the rotor is rotatably supported on the stator; and the stator comprises a stator core and a winding which is wound on the stator core. The motor is characterized in that the control box is electrically connected with anoutgoing line of the winding through at least one connector, each connector comprises a flexible cable and rigid conductive terminals fixed at two ends of the flexible cable, and one rigid conductiveterminal of each connector is electrically connected to the outgoing line of the winding while the other rigid conductive terminal is electrically connected to the control box. The motor is good in damping and noise reduction effects. The invention further provides a fluid conveying device using the motor.

The invention belongs to the technical field of automobiles, and particularly relates to an automobile shock pad with fixing mechanisms. The automobile shock pad comprises outer rings, fixing mechanisms are arranged on the side faces of the outer rings, the number of the outer rings is two, the two outer rings are fixedly connected through a damping mechanism, and a movable plate is movably connected in the outer ring in a sleeved mode. According to the automobile shock pad with the fixing mechanisms, through the fixing mechanisms, the automobile shock pad can be fixedly installed when the automobile shock pad is used, the problem that the automobile shock pad is easy to loosen after being vibrated for a long time is avoided, the firmness of the automobile shock pad during installation isguaranteed, so that the automobile shock pad can normally shock the automobile; and meanwhile, a shock absorption mechanism, the movable plate and a buffer rod are arranged to buffer the impact in multi stages when the automobile shock pad is used, the damping effect of the automobile shock pad is enhanced, and the automobile can run more stably.

The invention discloses a feed granulator with a quick press roller replacing and mounting structure and a use method of the feed granulator, and relates to the technical field of feed granulation. The feed granulator with the quick press roller replacing and mounting structure comprises a bottom beam and an oil tank, the other side of the upper portion of the bottom beam is fixedly connected with the oil tank, and the upper end of the oil tank is fixedly connected with a shell; a feeding hopper is fixedly connected to the upper portion of the shell, a round rod is arranged on the inner wall of a clamping block, and the two ends of the round rod are fixedly connected with a transverse rod. According to the feed granulator with the quick press roller replacing and mounting structure, through cooperation of an electric push rod, a vertical cylinder, a stand column, a vertical rod, a vertical shaft, the transverse rod, a connecting rod, the clamping block and a transverse shaft, an output shaft of the electric push rod can push the vertical cylinder to move upwards, at the moment, due to the fact that the vertical rod is not blocked by the vertical shaft any more, a situation that the clamping block is tightly attached to the inner wall of a press roller is relieved; therefore, a user can conveniently take down the press roller without limitation, and the problem that in the prior art, replacing and disassembly of the press roller are tedious is solved.

The invention relates to a device for rapidly assembling a stud. The device is characterized by comprising a threaded ejector rod (1), an internal threaded sleeve (4), a first cross rod (2) and two second cross rods (3), wherein the threaded ejector rod (1) comprises a rod head (11) and an external threaded rod body (12), the upper part of the threaded ejector rod (1) is provided with the rod head(11), and the external threaded rod body (12) is connected below the rod head (11); and a horizontal through hole is formed in the rod head (11), the first cross rod (2) penetrates through the through hole, and the middle part of the first cross rod (2) is fixed in the horizontal through hole in the rod head (11). According to the device, the installation efficiency of the stud is improved, the working intensity of workers is reduced, and the device is simple in structure and simple and convenient to operate, can effectively improve the assembly efficiency and reduce the working intensity ofthe workers.

The nonmetal carbon fiber full-winding high-pressure hydrogen storage bottle inner container bottle opening structure comprises a plastic bottle opening, the end of the plastic bottle opening is sleeved with a metal sleeve piece, and sealing gaskets are arranged at the contact position of the metal sleeve piece and the plastic bottle opening and the contact position of a protruding edge strip and the plastic bottle opening; the device further comprises a fixing sleeve, the fixing sleeve is arranged on the outer side of the top of the metal sleeve in a threaded and sleeving mode, an outer fixing strip is fixed to the inner wall of the protruding note, a gear ring is movably installed in the top of the metal sleeve in an embedded mode, a vertical rod is fixedly installed in a gear, and an inner fixing rod is connected to the side of the interior of the metal sleeve in a penetrating mode through a spring. And the sealing cover is arranged at the bottom position of the vertical rod in a threaded and sleeving manner. According to the nonmetal carbon fiber full-winding high-pressure hydrogen storage bottle inner container bottle opening structure, sealing and fixing of the metal sleeve piece and the plastic bottle opening can be achieved by rotating the fixing sleeve, and meanwhile the sealing effect can be enhanced through the sealing cover by means of internal air pressure.

The invention discloses a motorbike rearview mirror capable of stably adjusting an angle. The motorbike rearview mirror comprises a rearview mirror body. The bottom of the rearview mirror body is fixedly connected with a connecting rod. The bottom of the connecting rod is rotatably connected with a connecting block. The connecting rod is fixedly sheathed with a fixing sleeve. According to the motorbike rearview mirror, a first moveable block is driven to be slid through sliding a control block, the first moveable block drives a second moveable block to be upwards moved through a first supportrod, and the second moveable block drives a third moveable block to be upwards moved on a moveable rod and drives the moveable rod to be backwards moved through a second support rod, so a limiting baris separated from a limiting groove. At this moment, the connecting rod is conveniently rotated to adjust the angle of the rearview mirror, and the control block is released. Because of the elastic potential energy of a first spring and a second spring, the limiting bar corresponds to the limiting groove, and the connecting rod is further positioned. A problem that the rearview mirror is easily loosened in use can be avoided through such a connection mode, and the personal safety of a driver is guaranteed.

The invention discloses a central part support mechanism and a machined fixing device for an engine casing, relates to the technical field of machining, and includes a sleeve and a pillar, the pillar is movably socketed in the sleeve, and the top of the pillar is used for Support the central part of the engine casing, the sleeve and the pillar are also connected by a spring, and also include a support assembly, the support adjustment assembly includes a slope block, which has a first support slope, and an adjustment rod, which is connected to the The sleeve is screwed, and the rotation of the adjustment rod drives the inclined plane block so that the first supporting inclined plane and the second supporting inclined plane on the pillar are wedge-shaped to achieve support. The present invention can support the central part of the engine casing Adaptive support has good adaptability, which is beneficial to prevent the thinner part of the central part of the engine casing from being prone to concave deformation during machining, and at the same time effectively avoid the existing high-frequency vibration during machining. The thread support mechanism is easy to loosen.

The invention discloses a intelligent lock of a crane hoisting arm. The intelligent lock of the crane hoisting arm comprises a crane body, the hoisting arm is arranged at the upper end of the crane body, a lock catch mechanism is arranged on the outer part of the hoisting arm and fixedly connected with the top end of a head of the crane body through bolts, an intelligent lock body is arranged at the upper end of the lock catch mechanism, a limiting frame is arranged on the outer part of the intelligent lock body, the limiting frame and locking buckle plates on the lock catch mechanism are arranged in an integrally-formed mode, and two connecting plates are arranged at the upper ends of the locking buckle plates. According to the intelligent lock of the crane hoisting arm, the intelligent lock body is unlocked and the hoisting arm can work after a safety worker sends a hoisting instruction allowing a crane to execute, after the crane finishes a hoisting task, the hoisting arm retracts and falls down, and the intelligent lock body locks the hoisting arm and feeds back the state information of the intelligent lock body to a system, so that the safety coefficient of the crane hoistingarm is effectively improved, and the purpose of safe locking and use is achieved.

The invention relates to the technical field of medical equipment, and discloses a therapeutic instrument for treating diabetic peripheral vasculopathy, which comprises a therapeutic instrument main body, two plugs are symmetrically inserted into the side wall of the lower side of the therapeutic instrument main body, the lower ends of the two plugs are fixedly connected with two patches, and theplugs are movably sleeved with external threaded cylinders; sliding holes are formed in the cylinder walls of the outer threaded cylinders, the plugs penetrate through the outer threaded cylinders through the sliding holes, clamping plates are movably arranged outside the plugs in a sleeving mode, rotating holes are formed in the side walls of the lower sides of the clamping plates, and the plugspenetrate through the clamping plates through the rotating holes. According to the invention, the problem that the plug is easy to loosen when being pulled is effectively avoided, and the use stability of the therapeutic instrument is improved.

A reversible KBO control and protection switch disclosed by the invention comprises a control protection switch and wiring blocks, the two sides of the outer wall of the control protection switch are fixedly connected with the wiring blocks, the two sides of the rear part of each wiring block are provided with mounting holes, a secondary wiring sheet is installed inside the upper part of each wiring block, the secondary wiring sheets are electrically connected with a cable, a switch assembly is installed on the front side of the control and protection switch, and an adjusting assembly is installed below each wiring block. According to the reversible KBO control and protection switch, an threaded rod is driven to rotate through cooperation of the threaded rod, a sliding block, a supporting rod, a cross rod, a rotating shaft, a movable groove block and the secondary wiring sheets, so that the threaded rod can drive the sliding block and the supporting rod to drive the cross rod to move backwards, and the position of the cable in use can be limited through the fixed groove block and the movable groove block; and the problem that a plurality of cables are easily mixed together due to the fact that an existing control and protection switch is not limited after wiring is completed is solved.

The invention discloses a mobile device support. The support comprises a shell, a clamping arm, a lower supporting arm, a linkage mechanism and a reset mechanism, wherein the clamping arm and the lower supporting arm are movably connected relative to the shell, the linkage mechanism comprises a gear rotatably arranged on the shell, and the lower supporting arm is in transmission connection with the clamping arm through the gear; the reset mechanism comprises a reset key and a guide part for slidably connecting the reset key with the gear, when the lower supporting arm moves in the direction away from the shell under the action of gravity of an object placed on the lower supporting arm, the gear is driven to rotate in the first direction, and the gear drives the clamping arms to oppositelymove to be in a clamping state of clamping the object; when the reset key is pressed, the reset key drives the gear to rotate in the second direction through the guide part, the gear drives the clamping arms to move oppositely to be switched to an unlocking state for loosening the object, and the lower supporting arm moves in the direction close to the shell to return to the initial position; evenif a user vibrates and jolts in the using process, the mobile equipment on the mobile equipment support cannot fall off from the interior of the support.

The invention relates to the field of washing machine door locks, in particular to a washing machine door lock. The washing machine door lock comprises a door lock, an elastic piece, a lower locking piece, an upper locking piece, a sliding block, a protection shell, a first microswitch, a second microswitch, a rotary table and a drive device. The door lock comprises a door lock body and a front panel; the front panel is arranged at one end of the door lock and is connected with the door lock body; the door lock body is provided with a first groove and at least two second grooves; the lower locking piece is provided with a first parallel part; and at least two upper lugs matched with the second grooves are arranged on the upper end face of the first parallel part. The invention aims to provide the washing machine door lock; the door lock can be automatically unlocked when drying is started, so that the heat dissipation of the drying process is realized, meanwhile, the stability in unlocking the door lock is improved, and the problems that the washing machine door lock is easy to get loosened and has low safety are solved.

The invention discloses a novel electric single-beam suspension type crane which comprises a cross beam, a second shell and a third transmission rod. Bearings are installed at the two ends of the cross beam in a penetrating manner, a first shell is installed at the bottom of the cross beam, a first transmission rod is rotatably installed in the first shell, a sleeve rod is installed on the first transmission rod in a sleeving manner, and a connecting plate is installed at the bottom of the sleeve rod; and a third shell is installed on the top of the cross beam, an electric power chamber is arranged in the third shell, a signal transceiver is installed in the electric power chamber and below a single-chip microcomputer, and the third transmission rod is installed in the bearings in a sleeved manner. According to the novel electric single-beam suspension type crane, the electric power chamber is arranged in the third shell, a remote base station is used for transmitting a control command to the signal transceiver, the signal transceiver transfers the command to the single-chip microcomputer, the single-chip microcomputer controls related electric appliances to work according to the control command, the problem that a traditional crane is not flexible enough in use due to pre-programming is solved, and the use convenience of the crane is effectively improved.

The invention discloses a center part supporting mechanism and a machining fixing device of an engine shell, and relates to the technical field of machining. The center part supporting mechanism comprises a sleeve and a supporting column, the supporting column is movably connected into the sleeve in a sleeved manner, the top of the supporting column is used for supporting the center part of the engine shell, and the sleeve and the supporting column are further connected through a spring; and the center part supporting mechanism further comprises a supporting assembly, the supporting adjusting assembly comprises an inclined plane block and an adjusting rod, the inclined plane block is provided with a first supporting inclined plane, the adjusting rod is in threaded connection with the sleeve, and the adjusting rod rotates to drive the inclined plane block so that a first supporting inclined plane can be matched with a second supporting inclined plane on the supporting column in a wedge-shaped manner to achieve supporting. According to the center part supporting mechanism, the center part of the engine shell can be supported in a matched manner, good adaptability is achieved, the situation that a thin part of the center part of the engine shell is prone to inward concave deformation during machining is prevented, and meanwhile, the problem that an existing thread supporting mechanism is prone to loosening during machining high-frequency vibration is effectively solved.