78results about How to "Reduce the chance of loosening" patented technology

The invention discloses an anti-loosening mechanism for installing a robot. The anti-loosening mechanism comprises a bolt bar and a fastening nut. A section is axially formed on the bolt bar, a left-hand threaded rod is integrally formed at the top end of the bolt bar, the bolt bar is sleeved with a gasket, a through hole matched with the bolt bar is formed in the gasket, the fastening nut is connected to the side, corresponding to the gasket, of the bolt bar in a threaded mode, a first threaded hole is formed in the middle of the fastening nut, an arc groove is formed in the part, corresponding to the periphery of the first threaded hole, on the fastening nut, a limiting nut is connected to the side, corresponding to the fastening nut, of the outer side wall of the left-hand threaded rodin a threaded mode, a second threaded hole is formed in the middle of the limiting nut, fixing holes are formed in the part, corresponding to the periphery of the second threaded hole, of the limitingnut, and fixing mechanisms are connected to the position, corresponding to the arc groove, in the fixing holes in an inserted mode. Compared with a traditional bolt, the anti-loosening mechanism is not likely to loosen, the loosening dropping phenomenon can be avoided, and safety accidents can be avoided; and meanwhile, disassembling is convenient, the anti-loosening mechanism can be used again,and waste can be avoided.

The invention relates to a firmly plugged portable router based on the Internet of things, which comprises a main body and at least two network cable interfaces, and is characterized by further comprising a connecting mechanism, a retracting and releasing mechanism and a central control mechanism, a plugging assembly comprises a sliding block, a sleeve, a connecting rod, a connecting wire, a driving block, a first spring, two reinforcement rods and two electrodes, a limiting assembly comprises a first fixing rod, a second fixing rod, a guide block, a transmission rod, a second spring, a sliding slot, a rotating rod, a first limiting block, a first limiting rod, a second limiting rod, a clamping block and a torsion spring, and the retracting and releasing mechanism comprises a driving assembly, a guide rod, a connecting block and a second limiting block. In the firmly plugged portable router based on the Internet of things, the connecting mechanism improves the firmness of the connection between the router and a socket so as to reduce the dropping probability of the router, and the retracting and releasing mechanism not only realizes the retraction and release of the electrodes butalso reduces the loosening probability of the electrodes so as to improve the stability of the electrodes.

The invention relates to a piston assembly of an air compressor, belonging to the technical field of air compressors. The piston assembly comprises a piston cover plate, a piston body and a sealing ring, wherein the piston cover plate is connected on the piston body by using a fastening piece and the sealing ring is assembled between the piston cover plate and the piston body. Compared with the prior art, the invention is characterized in that the sealing ring has an elliptic or quasi-elliptic annular outer edge surface which can be in movable sealing fit with the wall surface of the inner bore of a cylinder, the sealing ring is not apt to get loose because of rotation around the axis of the piston assembly under the impacts of factors such as vibration, inertia, deformation and the like, and the piston cover plate other than the sealing ring is also not apt to get loose; and moreover, the fastening position of the fastening piece is offset relative to the axis of the piston assembly, the formed offset can form the force arm of an anti-loose moment which can resist the loosening of the piston cover plate under rotation, and thereby the loosening of the piston cover plate under rotation can be effectively prevented.

The invention discloses a metal bar cutting machine which solves the problem that a metal bar cutting machine at the present stage feeds materials manually and consumes labor. According to the key points of the technical scheme, the metal bar cutting machine comprises a rack, a cutting device, a conveying device and a feeding device. The conveying device comprises a conveying platform, a first conveying mechanism, a second conveying mechanism and a first horizontal moving assembly. The feeding device comprises a feeding platform, a pushing mechanism, a supply table and a second horizontal moving assembly. The feeding platform is provided with a feeding slide groove for arranging metal bars in the front and back direction. The pushing mechanism can push the metal bars in the feeding slide groove into the conveying device. The supply table can transfer the metal bars into the feeding slide groove of the feeding platform one by one. The second horizontal moving assembly drives the feedingplatform to slide left and right. According to the metal bar cutting machine, operating workers do not need to add the metal bars one by one, and the automation degree of the metal bar cutting machine is improved.

The invention relates to water conservancy power generation equipment with a protection function for the seabed. The water conservancy power generation equipment comprises a base, supports, blades anda power generator, and further comprises a protection mechanism and a stabilization mechanism; and the protection mechanism comprises a protection cover and a cutting assembly, and the stabilizationmechanism comprises a stabilization block, a lifting mechanism and a rotation mechanism. According to the water conservancy power generation equipment with the protection function for the seabed, blades are protected through the protection mechanism, so that sundries such as sea grass can be prevented from being wound on the blades, normal work of the water conservancy power generation equipment can be ensured, the damage probability of equipment can be reduced, and the service life of equipment can be prolonged; secondly, the base is further fixed in gravel through the stabilizing mechanism,the probability of looseness between the base and the gravel is reduced, and therefore the stability of the equipment is improved.

The invention relates to a vibration reduction type industrial personal computer with a dustproof function for software testing. The industrial personal computer comprises a case, the industrial personal computer further comprises a buffer mechanism and a dustproof mechanism, the buffer mechanism comprises a mounting plate and at least two buffer components; each buffer component comprises a guiderail, a second spring, a lifting sleeve, a first permanent magnet, a second permanent magnet and an electric push rod; the dustproof mechanism comprises a dustproof cover, a second air bag, an air delivery pipe, two connecting assemblies, at least two threading pipes and at least two first air bags. Each connecting assembly comprises a sliding rod, a connecting sleeve and a first spring. In the vibration reduction type industrial personal computer with a dustproof function for software testing, under the buffering effect of the buffer mechanism, the probability of looseness of all parts in the industrial personal computer is reduced, the probability of failure of the industrial personal computer is reduced, the accumulated dust on interfaces of the industrial personal computer is reducedthrough the dustproof mechanism, the probability of poor contact of the industrial personal computer is reduced, and the reliability of the industrial personal computer is improved.

The invention provides a pedicle screw fixation device and system for thoracolumbar spine posterior orthopedics, and relates to the technical field of medical instruments. The pedicle screw fixation device for the thoracolumbar spine posterior orthopedics comprises a pedicle screw, a limiting piece and a locking piece; the pedicle screw comprises a screw head part and a screw body part which are connected with each other; the screw head part is provided with a sliding groove for placing a connecting rod; the limiting piece is movably connected with the sliding groove, can move in the axial direction of the sliding groove and is internally provided with a mounting channel which is axially through; the locking piece is movably connected with the mounting channel and can move in the axial direction of the mounting channel. According to the pedicle screw fixation device for the thoracolumbar spine posterior orthopedics, an existing sliding groove screw growth rod system is improved, through a mode that the limiting piece cooperates with the locking piece, the situation that by means of the existing sliding groove screw system, an incision operation is needed again in the final operation, an original implant is replaced, and the pain and financial burden of patients are greatly reduced.

The invention discloses a fixing device for neutralizing actions between two vertebral bodies, in particular a fixing device for neutralizing or countervailing actions between two adjacent vertebral bodies. The fixing device is a plate-shaped body, one side of the plate-shaped body is provided with a nail part, and the fixing device is embedded into two corresponding vertebral bodies and intervertebral discs by the nail part. When necessary, the fixing device also can be matched with a support assembly, such as a metal cage, and embedded into the intervertebral discs of the two corresponding vertebral bodies. Therefore, the fixing device can effectively control actions between the two vertebral bodies, such as forward bending, backward bending, left and right incline, left and right turn, and the like, and enable an autogenous bone embedded between the two adjacent vertebral bodies not to generate the problem of non-union or psuedarthrosis because of actions between the vertebral bodies before completely inosculated with the vertebral bodies.

The invention relates to an integrated structural minimally-invasive fascia closer. The integrated structural minimally-invasive fascia closer comprises a thread clamp and a puncture needle, wherein the thread clamp comprises a shell body and a pull rod arranged in the shell body, the end portion of the pull rod is fixedly connected with a thread slot fixing head, a thread fixing slot is arranged at the end portion of the thread slot fixing head, the outer wall of the shell body and the side wall of the wire slot fixing head are connected by virtue of two groups of connection outer shells in a mirror symmetry about the axis of the shell, and each connection outer shell group comprises a supporting outer shell A with the end portion being connected with the outer wall of the shell body and a supporting outer shell B with the end portion being connected with the thread slot fixing head; a constraint thread slot is arranged on the side wall, corresponding to the supporting outer shell A, of the shell body; a thread passing opening is coaxially formed in the supporting outer shell A, the puncture needle comprises a needle tube main body, a lantern ring is also arranged in the needle tube main body, the lantern ring is fixedly provided with a traction rod which is connected with the inner wall of the needle tube main body in a sliding manner, an opening is formed in the lantern ring, and two axial ends of the opening of the lantern ring are elastically closed under the extrusion of the inner wall of the needle tube main body.

The invention provides a ceramic heating assembly and an electronic atomizer. The ceramic heating assembly comprises a ceramic base body and a conductive heating piece. The conductive heating piece comprises a conductive body and a conductive bent part, the conductive bent part is connected with the conductive body, at least part of the conductive bent part is embedded in the ceramic substrate, the conductive body is located outside the ceramic substrate, and the conductive body is connected with the ceramic substrate. The conductive body of the conductive heating piece is arranged on the ceramic substrate, and the conductive bent part of the conductive heating piece is embedded into the ceramic substrate, so that the two surfaces of the conductive bent part are in contact with the ceramicsubstrate, and the conductive bent part is clamped with the ceramic substrate; therefore, the connection area between the conductive bent part and the ceramic substrate is increased, the connection stability between the conductive bent part and the ceramic substrate is improved, the connection stability between the conductive heating element and the ceramic substrate is improved, and the probability of warping and loosening is reduced.

The invention relates to a vibration reduction type main machine with a dehumidification function. The host comprises a main body, a radiating port and a fan. The host further comprises a buffer mechanism and a dehumidification mechanism. The buffering mechanism comprises an air conveying pipe, at least two bypass pipes and four vibration reduction assemblies. The vibration reduction assembly comprises an air cylinder, an air rod and a first spring. The dehumidifying mechanism comprises a supporting sleeve, a rotating sleeve, an annular groove, a first filter screen, a second filter screen, asealing ring, a connecting rod, a connecting shaft, three fan blades and at least two supporting assemblies. The supporting assembly comprises a mounting sleeve, a moving rod, a supporting strip and asecond spring. In the vibration reduction type host with a dehumidification function, through the damping effect of the buffer mechanism on the host, the vibration of the main body is reduced, the probability of loosening of devices in the host is reduced, the failure rate of the host is reduced, the humidity of air fed into the host can be reduced through the dehumidification mechanism, the probability of damp short circuit of the devices in the host is reduced, and the failure rate of the host is further reduced.

The invention discloses a wafer basket clamping anti-falling manipulator with an alarm function, which comprises a rotating assembly fixed on a lifting shaft, a rotating rod, a bearing positioning seat, a buffer assembly, a clamping assembly for taking and placing a wafer basket, an alarm flash lamp and a touch sensing sheet, the rotating assembly comprises a pushing air cylinder, an inclined plane sliding block, rotating seats arranged in a bilateral symmetry mode, a pin shaft and a rolling ball, the two ends of the rotating rod are matched with the bearing positioning seats for positioning, one end of the rotating rod is fixedly connected with the rotating assembly, and the other end of the rotating rod is connected with the clamping jaw through the buffering assembly, and the clamping jaw comprises a locking block, a fastening nut, a clamping rod and a clamping arm. According to the mechanical arm, the clamping arm is secondarily fastened through the fastening nut, meanwhile, the clamping arm is fixedly locked on the rotating rod in cooperation with the buffering assembly, secondary locking is conducted between the rotating rod and the locking block, and the touch sensing piece can toggle a switch in the alarm flash lamp to give out flash alarm. And the effects of prevention and alarm are achieved.

The invention relates to the technical field of medical instruments, and provides a dental implant. The dental implant comprises a dental implant body, and the dental implant body is provided with a root dental implant, a bottom dental implant and an end dental implant; the root dental implant is of a conical structure, the outer surface of the root dental implant is provided with a bone trabeculastructure, the bottom dental implant and the end dental implant are of cylindrical structures, the outer surface of the bottom dental implant is provided with an external thread, the outer surface ofthe end dental implant is provided with a plurality of anti-rotation grooves, and the anti-rotation grooves are arranged at intervals of 90 degrees. The dental implant has the beneficial effects that: the bone trabecula structure can improve the biocompatibility of the dental implant; the external thread structure can improve the tightness between the implant and the bone tissue, increase the contact area between the implant and sclerotin, and realize good cooperation; and the anti-rotation grooves are matched with a base table to prevent the base table from rotating, and correct installationof the base table is guaranteed.

The invention relates to a multi-direction adjustable extracorporeal restoration iliolumbar cushion. According to the multi-direction adjustable extracorporeal restoration iliolumbar cushion, the transverse width, the vertical length and the longitudinal height of the cushion can be adjusted according to requirements. The multi-direction adjustable extracorporeal restoration iliolumbar cushion comprises a quadrilateral base, a cushion body and telescopic devices which are telescopic in the longitudinal direction, wherein the telescopic devices are arranged at the four corners of the quadrilateral base respectively, and the cushion body is fixedly arranged on the telescopic devices. According to the multi-direction adjustable extracorporeal restoration iliolumbar cushion, operation is convenient, and both time and labor are saved; meanwhile, the length and the width can be adjusted according to the body form of a patient; in addition, after an upper joint and a lower joint which are malpositioned relative to each other can be located on the same horizontal plane through adjustment of the longitudinal height, screws are screwed, the frequency of the situation that restoration is achieved by pulling the screws with large force during an operation is reduced to the greatest extent, and the probability of looseness of the screws is lowered; furthermore, the size of the cushion can be reduced when the cushion is not used, and thus the occupied area is reduced.

The invention provides hoisting equipment for a green building assembly type prefabricated wallboard, and relates to the technical field of hoisting devices, the hoisting equipment comprises a seat body, a connecting part, an auxiliary part and a hanging part; a connecting seat A is mounted on the seat body; two rotating seats A are welded to the bottom of the connecting seat A, and each rotating seat A is rotationally connected with a rolling wheel. Each sliding block is slidably connected with two sliding rods B, the tail ends of the two sliding rods B on the left side and the tail ends of the two sliding rods B on the right side are each in threaded connection with a connecting block, and the bottom end faces of the two connecting blocks are each provided with a hook in a welded mode. Each sliding rod B is sleeved with an elastic piece B, and the elastic pieces B form a buffering structure of the hook, so that stress fracture of the hook during hanging can be prevented, and the problems that firstly, automatic locking of the hook cannot be achieved, and safety is low are solved; and secondly, automatic adjustment of the steel wire rope cannot be achieved during hoisting, and automatic locking of the steel wire rope after adjustment is achieved.

The invention provides an anti-sinking door which comprises a door frame and a door leaf. The door frame comprises a connection column connected with the door leaf through hinges. The connection column is sequentially provided with a first panel, a rib and a second panel in the thickness direction. The first panel and the second panel are connected together through the rib. A fixing element is further arranged in the connection column. The two ends of the fixing element are connected with the first panel and the second panel respectively. One blade of each hinge is fixed to the side, close to a third panel, of the fixing element. Compared with the prior art and a common door, the fixing element is arranged in the door frame, besides, the fixing element is fixed to a wall through an expansion bolt, the gravity of the door leaf is transmitted to the fixing element through the hinges, the fixing element transmits the gravity to the wall through the expansion bolt, the probability that the hinges disengage from the door frame is reduced, and the door leaf is controlled to not sink. When the door leaf is opened and closed, noise is lowered, and the door is environmentally friendly and reliable.

The invention discloses a floor drain type water outlet box of a sectional material, and relates to the technical field of sectional material drainage design. The profile frame comprises a profile frame body, a drainage groove and a water outlet groove are formed in one side of the interior of the profile frame body, a limiting groove is formed in the bottom of the inner wall of the drainage groove, and a drainage mechanism is clamped in the limiting groove. The drainage device has the beneficial effects that a mutual limiting and fixing effect can be formed between the drainage mechanism and the noise reduction water outlet mechanism, the firmness between the drainage mechanism and the noise reduction water outlet mechanism is improved, the probability that the drainage mechanism and the noise reduction water outlet mechanism are loosened due to the influence of external wind power is reduced, and wind blown to the flow guide mechanism at all angles can be shunted and guided; according to the rainwater drainage device, the influence of wind power on rainwater drainage is reduced, part of flow wind power can be utilized to accelerate rainwater drainage, so that the problem of reverse osmosis caused by rainwater accumulation is solved, the wind flowing path can be dispersed and disordered, the wind power is mutually interfered and counteracted, and the effect of low wind noise is achieved.