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81results about How to "To achieve the purpose of anti-loosening" patented technology
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Connector shell and connector
ActiveCN105576438AAvoid overfittingEasy to useEngagement/disengagement of coupling partsCouplings bases/casesEngineeringMechanical engineering
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
Interlocking check nut
The invention discloses an interlocking check nut. The interlocking check nut is mainly used in the machinery field. The interlocking check nut has the interlocking function. The tightened nut is notreleased from a bolt, and manufacturing and use are convenient. The interlocking check nut is composed of a nut body A and a nut body B. According to the working principle and mounting process, the clamping portion of the nut body B is upwards tightened, the lower end of the nut body B compresses a workpiece, the extrusion portion of the nut body A is downwards screwed on the bolt and jacks the clamping portion of the nut body B tightly, a plurality of convex ribs of the extrusion portion of the nut body A extrude a plurality of clamping pieces of the nut body B, inner threads B of the multiple clamping pieces extrude outer threads of the bolt, the outer threads of the bolt are tightly hooped, the anti-looseness purpose is achieved, and at least one convex rib is clamped into a groove of the nut body B in the process, so that interlocking is achieved; and under the function of vibration loads, the nut body A loosens firstly, the convex ribs clamped into the groove of the nut body B also prevent the nut body A from loosening, and at the same time, the multiple convex ribs tightly clamp the outer threads of the bolt, the anti-looseness purpose is achieved.
Owner:浙江荣鑫带钢有限公司
Anti-looseness sub-wire spacer for double split line
InactiveCN107196261ADo not change the materialNo job changeMaintaining distance between parallel conductorsSplit linesElectric power system
The invention relates to an anti-looseness sub-wire spacer for a double split line, applies to a power transmission line on which a double split wire is employed in a power system and belongs to the technical field of power transmission line on-site overhaul. The anti-looseness sub-wire spacer comprises a connection rod and wire clips mounted at two ends of the connection rod. Through holes for mounting fastening bolts are arranged on the two wire clips. Nuts are mounted on the fastening bolts. Limiting pin holes are arranged at the upper ends of the fastening bolts. Pins for fastening and limiting the nuts are mounted in the limiting pin holes. A plurality of limiting grooves matching the pins are arranged on the upper surfaces of the nuts. According to the anti-looseness sub-wire spacer, the mounting is convenient, a power-cut range and the power-cut time are not increased, and the looseness of the fastening bolts is avoided.
Owner:YANTAI POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER +1
Locking device for hammer head of crusher
InactiveCN102527474ASolve the problem of loosening and falling offPlay the role of cushioning and dampingGrain treatmentsEngineeringCrusher
The invention relates to a locking device for the hammer head of a crusher. The inventin aims to provide the locking device for the hammer head of the crusher to solve the problems of looseness and dropping off of the hammer head of the crusher, so that the requirements of continuously crushing to to-be-crushed objects with diffrent crushing grain grades are met. The locking device for the hammer head of the crusher comprises a fixing seat and a big bolt, after passing through the through hole on the fixing seat, the big bolt is used for fixing a cutter tooth on a cutter tooth base through threaded connection, the device further comprises a spring, a safe bearing plate and at least two small bolts, the through hole on the fixing seat is a stepped hole, the spring is sleeved on the big bolt, one end of the spring is in contact with the stepped surface of the stepped hole, the other end of the spring is in contact with the bolt head of the big bolt, a big bolt fastener hole is formed on the safe padding plate, the big bolt fastener hole is hexagonal, the safe bearing plate is fixedly mounted on the fixing seat through small bolts, and the bolt head of the big bolt is positioned inside the big bolt fastener hole.
Owner:JOY GLOBALHUAINAN MINING MACHINERY
Anti-loose nut capable of being interlocked
The invention discloses an anti-loose nut capable of being interlocked. The anti-loose nut is mainly applied to the field of machinery. The anti-loose nut capable of being interlocked has an interlocking function, the tightened nut cannot be loosened from a bolt, and the nut is convenient to manufacture and use. The anti-loose nut is composed of a nut body A and a nut body B; according to the working principle of the anti-loose nut, first an extruding part of the nut body A is upwards screwed up on the bolt, the lower end of the nut body A presses a workpiece, then a clamping part of the nut body B is downwards screwed on the bolt, moreover, the clamping part of the nut body B abuts against the extruding part of the nut body A, a plurality of convex ribs of the extruding part of the nut body A are used for extruding a plurality of clamping pieces of the nut body B, inner threads B of the plurality of clamping pieces are used for extruding outer threads of the bolt to tightly hoop the external threads of the bolts, and the purpose of preventing looseness is achieved. According to the anti-loose nut, at least one convex rib is clamped into a groove of the nut body B in the process, so that interlocking is realized; under the action of the vibration load, the nut body B is loosened first, the convex rib clamped in the groove of the nut body B is used for preventing the nut body Bfrom loosening, at the same time, the plurality of convex ribs tightly hoop the external threads of the bolt, so that the purpose of preventing looseness is achieved.
Owner:JINGMEN CHUANGJIA MACHINERY TECH CO LTD
Bolt and nut assembly
The invention relates to the technical field of bolts and nuts, in particular to a bolt and nut assembly; the bolt and nut assembly comprises a bolt head, a thread rod is arranged on the center of oneside of the bolt head, a nut body is in threaded connection to the thread rod, a round shell is arranged on one side of the nut body, a round block is arranged at one end of the thread rod, the roundblock is located in the round shell, a cylinder is arranged at one end of the round shell, an end cover is arranged at one end of the cylinder, a rectangular groove is formed in one end of the roundblock, a rectangular rod is arranged in the cylinder, the other end of the rectangular rod penetrates through one end of the round shell and extends to be arranged in the rectangular groove, a limiting plate is fixed to the rectangular rod in the cylinder, a second spring is arranged at the position, between the limiting plate and the end cover, of the rectangular rod in a sleeving manner, and a protection mechanism is arranged on the side face of the round shell. The bolt and nut assembly is reasonable in structure and convenient to operate, through matching of the rectangular rod and the rectangular groove, the nut body can be prevented from loosening, through a protection cover, the thread rod and the nut body are protected, the thread rod and the nut body are prevented from being corroded, and a user can conveniently use the assembly.
Owner:浙江瑞昭科技股份有限公司
Anti-loosening structure of M12 connector
ActiveCN106129717AEliminate or reduce external forceNo connectivityEngagement/disengagement of coupling partsElastic componentStraight tube
The invention discloses an anti-loosening structure of an M12 connector. With the anti-loosening structure, a problem of connector loosening or even shedding in a continuous vibration state because of lack of an anti-loosening structure of the existing M12 connector can be solved. The anti-loosening structure comprises a connecting nut and a shell with a straight tube and a screwed tube; and the straight tube and the screwed tube are connected. A connecting front end of the shell is a threaded end; connecting threads are formed at one end of the inner side wall of the connecting nut; and the connecting nut sleeves the threaded tube by the connecting threads. Besides, a mounting groove is formed in the other end of the inner side wall of the connecting nut and an elastic component is installed in the mounting groove. On the basis of the structure, a loosening or even shedding phenomenon of a connector can be avoided; and thus the continuity and reliability of the M12 connector function are guaranteed.
Owner:SICHUAN YONGGUI SCI & TECH CO LTD
Locknut capable of clamping and capable of interlocking
The invention discloses a locknut capable of clamping and capable of interlocking, and is mainly used in the field of machinery. The locknut has an interlocking function, and is simple to manufactureand is convenient to use. The locknut is composed of a nut A and a nut B; the working principle of the locknut comprises the steps that the nut B is tightly screwed on a bolt firstly, and the lower end of the nut B is pressed against a workpiece; then an extruding part of the nut A is faced downwards and is screwed on the bolt; a plurality of protruding ribs A of the nut A and a plurality of protruding ribs B of the nut B are extruded firstly to generate elastic compression; the plurality of protruding ribs A of the nut A go over the corresponding plurality of protruding ribs B of the nut B downwards, and then the plurality of protruding ribs A of the nut A and the plurality of protruding ribs B of the nut B are elastically restored; and at the moment, the lower ends of the plurality of protruding ribs B of the nut B presses the upper ends of the plurality of protruding ribs A of the nut A, the nut A and the nut B realize interlocking, the extruding part of the nut A extrudes a plurality of arc segments of the nut B at the same time, and internal threads B of the plurality of arc segments extrude external threads of the bolt to hoop the external threads of the bolt tightly, so thatthe purpose of locking is achieved.
Owner:衢州天力紧固件有限公司
Device for preventing nut looseness
InactiveCN105387056AIncrease frictionTo achieve the purpose of anti-looseningNutsBoltsEngineeringScrew thread
The invention discloses a device for preventing nut looseness. The device for preventing nut looseness comprises a bolt, a lock nut, an internal threaded notch gasket, a main nut, a flat gasket and a workpiece to be connected, wherein the internal threaded notch gasket is provided with a lug. The bolt is a standard hexagonal head bolt. The lock nut is a purpose-made nut. The upper end of the lock nut is provided with a threaded hole and connected with the bolt through threads, and the lower end of the lock nut is provided with a conical surface and matched with the upper conical surface of the internal threaded notch gasket provided with the lug. The upper end of the internal threaded notch gasket provided with the lug is the conical surface, and the lower end of the internal threaded notch gasket provided with the lug is a conical surface provided with the lug. The main nut is a purpose-made nut. The upper end of the main nut is provided with a conical surface and matched with the conical surface, provided with the lug, at the lower end of the internal threaded notch gasket provided with the lug, and the conical surface at the upper end of the main nut is provided with a notch. The lower end of the main nut is provided with a threaded hole and connected with the bolt through threads. The bolt is directly sleeved with the flat gasket and the workpiece to be connected. The device is simple in structure, reasonable in design and capable of effectively preventing nut looseness.
Owner:GUANGXI UNIV
Connector shell and connector
ActiveCN105576438BSolve the problem of over-insertionRealize circular stopEngagement/disengagement of coupling partsCouplings bases/casesEngineeringMechanical engineering
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
Anti-loose quick-release clamp
The invention discloses an anti-loose quick-release clamp. The clamp comprises a first clamp belt of an arc-shaped structure and a second clamp belt of an arc-shaped structure; a through groove is formed in one end of the top of the first clamp belt, and a connecting strip is fixedly connected to the inner wall of the through groove; the top of the second clamp belt is located below the inner wall of the top of the first clamp belt, and the bottom of the first clamp belt and the bottom of the second clamp belt are horizontally arranged in a collinear mode. A pipe fitting expands to drive the first clamp belt and the second clamp belt to move relatively, the first clamp belt can drive a stop block to move, the stop block further straightens a steel wire rope through a locking column, the steel wire rope and the connecting strip are wound more tightly, meanwhile, the steel wire rope drives the first clamp belt to be more tightly pressed on the surface of the top of the second clamp belt through the connecting strip, the steel wire rope further drives a pressing plate to be more tightly pressed on the surface of the top of the first clamp belt, relative movement of the first clamp belt and the second clamp belt is prevented, and thus the anti-loosening purpose is achieved.
Owner:泰州市华驰不锈钢制品有限公司
Interlockable lock bolt and nut
The invention discloses interlockable lock bolt and nut, which are mainly applied in the field of machinery. The interlockable lock bolt and nut have an interlocking function, the tightened nut is notdisconnected with the bolt, and manufacturing and use are facilitated; the interlockable lock bolt and nut consists of the nut and the bolt; the working principle is as follows: an extrusion part ofthe nut is screwed tightly and downwards on the bolt, the lower end of the nut tightly presses a workpiece, a plurality of convex ribs of the extrusion part of the nut extrude a plurality of clampingsheets of the bolt, the external threads of a plurality of clamping sheets extrude the internal threads of the nut, and the locking aim is fulfilled; if the convex rib at the uppermost end of the nutaligns with the groove at the uppermost end of the bolt exactly, at least one convex rib is clamped in the groove of the bolt and interlocking is realized; and if the convex rib at the uppermost end of the nut does not align with the groove at the uppermost end of the bolt, the nut is continuously rotated clockwise or anticlockwise by the distance of 1 / 8 B or the distance of 1 / 4 B or the distanceof 1 / 2 B, at least one convex rib is clamped into the groove of the bolt, and interlocking is realized.
Owner:苏州森奇成型科技有限公司
Locknut structure
The invention discloses a locknut structure. The locknut structure comprises a nut body, wherein the nut body is provided with a threaded hole penetrating through the nut body in the axial direction;a cone-shaped ring groove concaved upward is arranged at the position, at the outside in the radial direction of the threaded hole, of the bottom end of the nut body; an open north penetrating throughthe radial direction is arranged at the sidewall in the radial inner side of the cone-shaped ring groove; the locknut structure further comprises a washer portion; the washer portion comprise a washer body; a washer frustum protruding upward is arranged on the washer body; and the washer frustum can be buckled in the cone-shaped ring groove and pushes the sidewall, at inner side in the radial direction, of the cone-shaped ring groove to shrink in the radial direction. According to the locknut structure, the problems that the use occasions in the prior art are limited, the reliability is poor,and the structure is complicated are overcome; and the axial force and the radial force are synchronously used by the locknut structure to solve the problem of loose, the locknut structure is simplein structure, convenient to install, high in applicability and beneficial to promote.
Owner:MCC CAPITAL ENGINEERING & RESEARCH
Locking nut
The invention provides a locking nut. The locking nut comprises a hex nut body, a connecting body, a locking body and a protective cover. The connecting body is arranged above the hex nut, the outer wall of the connecting body is provided with a thread, the inner wall of the protective cover is provided with a mounting flange, the mounting flange includes a mounting part and a driving part, the inner wall of the mounting part is provided with a thread, and the connecting body is cooperatively in threaded connection with the mounting part; the locking body is arranged above the connecting bodyand cooperates with the driving part, the driving part controls the locking body to be retracted inward in the radial direction, the relative rotation between the nut and a bolt can be prevented, correspondingly the purpose of locking is achieved, and the problem of a poor rust-proof effect of the nut due to exposure in the air for a long time can be solved.
Owner:嘉兴海缙五金科技股份有限公司
Tightening deformation locking bolt
Owner:江苏高崎机械有限公司
Anti-loosing screw nut
ActiveCN106958580AEnhanced radial connection preloadTo achieve the purpose of anti-looseningNutsBoltsEngineeringMechanical engineering
Owner:HAIYAN YUXING NUTS
Locking releasing-preventive hexagon nut
InactiveCN102954088AEliminate gapsTo achieve the purpose of anti-looseningNutsBoltsEngineeringMechanical engineering
Owner:兴化市新迅达不锈钢标准件有限公司
Loosening prevention sewing machine needle rod fixing structure
ActiveCN104963125AEasy to fixTo achieve the purpose of anti-looseningNeedle barsDrive shaftBiomedical engineering
The invention relates to the field of sewing machines, in particular to a loosening prevention sewing machine needle rod fixing structure. The problem of machine needle loosening is solved. The loosening prevention sewing machine needle rod fixing structure comprises a needle rod, a sealing sleeve, a piston rod and a piston. The interior of the needle rod is designed to be of a columnar counter bore structure, and the needle rod is assembled on a transmission shaft of a sewing machine in a sliding mode. The sealing sleeve is designed to be cylindrical, the interior of the sealing sleeve is designed to be of a conical counter bore structure, and the sealing sleeve is fixedly arranged in a columnar counter bore of the needle rod. The piston is assembled in the columnar counter hole of the needle rod in a sliding mode. The piston rod is fixedly connected with the piston. Based on the principle of an injection syringe, the fixing state of the machine needle is controlled by changing the size and position of air pressure, the machine needle is fixed more firmly through a reverse sliding prevention rail, the influence of external factors is avoided, and the aim of preventing loosening is achieved through the simple structure.
Owner:WUJIANG ZHENYU SEWING EQUIP
Anti-loosening device for light-distribution regulation of lamp and lamp using anti-loosening device
InactiveCN102644903AHigh accuracy of light distributionSolve the problem of light distribution misalignmentWith electric batteriesElectric lighting with batteriesEngineeringBiomedical engineering
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1
Lock nut and lock method of elastic lock nut for brake disc
PendingCN107100923APrevent loosening or even slippingTo achieve the purpose of anti-looseningNutsBoltsBrakeRelative motion
The invention discloses a lock nut and a lock method of an elastic lock nut for a brake disc. A lock ring is arranged at the upper end of a nut body and connected with the nut body through two connection blocks which are radially and symmetrically arranged along the upper end of the nut body, the lock ring, the connection blocks and the nut body are all provided with internal threads, and the lock ring and the nut body are different in thread pitch. Since the lock ring is provided with the internal thread different from that of the nut body in thread pitch, after the elastic lock nut is locked to a bolt, zero-clearance close fit between the bolt and the whole elastic lock nut formed by the nut body and the lock ring which are different in thread pitch can be realized under elastic deformation of the lock ring, and looseness caused by relative movement between the elastic lock nut and the bolt is avoided. By changing of the thread pitch, looseness prevention is realized, and easiness in operation, evident locking effects and long service life are achieved. In addition, the lock nut is simple in structure and suitable for mechanical batch production.
Owner:株洲中车轨道交通装备有限公司
Thread dislocation type lock nut
The invention discloses a thread dislocation type lock nut mainly used in the field of machinery. The lock nut has an interlocking function, is convenient to manufacture and use, and comprises a nut body A and a nut body B. According to the working principle, the nut body B is screwed on a bolt, then an extrusion part of the nut body A is screwed on the bolt downwards, and in the screwing processof the nut body A, the pitch and tooth angle of internal thread sections of the extrusion part of the nut body A are different from those of external thread sections of the nut body B, so that the internal thread sections of the nut body A and the external thread sections of the nut body B are extruded and meshed. Meanwhile, the lower end of the nut body A abuts against a workpiece, the nut body Aand the nut body B are interlocked, the extrusion part of the nut body A extrudes multiple arc sections of the nut body B, internal threads B of the arc sections extrude external threads of the bolt,and the external threads of the bolt are tightly hooped, so that friction between the internal threads B of the arc sections and the external threads of the bolt is greatly improved, and the anti-disengaging aim is achieved.
Owner:荆门市佰思机械科技有限公司
Permanent lock bolt and method for using permanent lock bolt
The invention discloses a permanent lock bolt, wherein a C-shaped gasket is arranged on a T-shaped bolt in a sleeving manner; the gasket is made of a spring steel material; the surface of the gasket is provided with saw teeth; one end of the gasket is opened towards the outside of a circle. Saw teeth are arranged in the edge of the bottom surface of the head part of the T-shaped bolt and are mutually meshed with the saw teeth in the gasket; the periphery of the outer end of a bolt hole of a machine member is provided with saw teeth with tooth tips facing the direction of the bolt hole; the inclined surfaces of the saw teeth of the bolt hole face the anticlockwise direction; the bolt can be only rotated in the clockwise direction in the bolt hole of the machine member; when the bolt is rotated in the anticlockwise direction, one end, which is opened outwards, of the C-shaped gasket is jammed on the saw teeth of the machine member. Therefore, the purpose of the lock bolt is achieved.
Owner:梁宏建
Hydraulic anti-loosening bolt and hydraulic anti-loosening bolt and nut fastening device
ActiveCN112460131ATo achieve the purpose of anti-looseningSimple designNutsBoltsStructural engineeringMechanical engineering
The invention discloses a hydraulic anti-loosening bolt and a hydraulic anti-loosening bolt and nut fastening device. A hydraulic anti-loosening column system is arranged in a nut of the bolt, an adjustable pin shaft is arranged on the hydraulic anti-loosening column system, and the purpose that an anti-loosening mechanism of the bolt fixes the bolt to prevent loosening of the bolt is achieved bycontrolling the pin shaft to pop up and contract. The nut and the hydraulic anti-loosening column system are controlled simultaneously through a specially-designed tightening device, and then loosening and tightening action of the bolt is achieved. The hydraulic anti-loosening bolt and nut fastening device is simple in structure, easy to operate, good in anti-loosening effect and capable of beingreused.
Owner:天海航空发动机有限公司
Check bolt structure of tire
InactiveCN105134741ATo achieve the purpose of anti-looseningInfluence intensityNutsBoltsAgricultural engineering
The invention belongs to the field of tire accessories, and particularly discloses a check bolt structure of a tire. The check bolt structure comprises a bolt, a nut connected to the bolt, and a loosening preventing sleeve connected to the bolt. The loosening preventing sleeve comprises a connecting sleeve and a pressing block. The connecting sleeve is of a planet structure, and comprises a sun wheel, a planet carrier, a planet wheel and an inner gear ring, a threaded hole for being matched with the bolt is formed in the sun wheel, and the pressing block is detachably connected with the inner gear ring.
Owner:CHONGQING HONGQI JIEXUN WHEEL
High-strength anti-loosening screw nut
The invention belongs to the technical field of hardware spare and accessory parts, and particularly relates to a high-strength anti-loosening screw nut. The high-strength anti-loosening screw nut comprises a first screw nut and a second screw nut, wherein the end, facing a contact object, of the first screw nut is a contact end, and the end backing to the object is a connecting end; a position limiting ring is arranged on the connecting end; notches capable of enabling a local part of the position limiting ring to deform after receiving external force are formed in the position limiting ringin the axial direction; the local part forms a deformable part; a first assembly groove is formed in the inner wall of an end opening of the second screw nut; a protruding part is arranged on the inner wall of the first assembly groove; and after the second screw nut is arranged on the position limiting ring in a sleeving way, the protruding part in the first assembly groove extrudes the outer wall of the deformable part of the position limiting ring, and enables the deformable part to inwards contract. The high-strength anti-loosening screw nut is divided into the first screw nut and the second screw nut, wherein the first screw nut is a fastening screw nut in direct contact with a fixed object; the second screw nut is an anti-loosening screw nut tightly abutted against the first screw nut; under the joint effects of the first screw nut and the second screw nut, the rotation of the first screw nut can be effectively prevented; and the stability and firmness of the fixed object are further ensured.
Owner:浙江滨海汽车零部件股份有限公司
Anti-looseness switch connection fixing structure
InactiveCN108511990AAvoid accidental injuryGuarantee the purpose of anti-looseningCoupling device detailsEngineeringPower cord
The invention discloses an anti-looseness switch connection fixing structure, comprising a fixing structure body and a socket board, wherein the top of the fixing structure body is connected with a protective cover by a hinge, the fixing structure body is provided with the socket board that is provided with a two-hole socket, one side of the two-hole socket is provided with a three-hole socket, the bottoms of the two-hole socket and the three-hole socket are respectively provided with grooves, the anti-looseness clamping plate is fixed in the grooves by a mounting rod and provided with a clamping fork, and the bottom of the clamping fork is connected with a rotating shaft through a telescopic rod. In the invention, the power cord at the plug is fixed by the clamping fork on the anti-looseness clamping plate, and the plug is tightly pressed against the socket under the force of the return spring. At the same time, the telescopic rod is provided on the anti-looseness clamping plate to adjust the length for the use requirements so as to ensure the anti-looseness effect.
Owner:CHENGDU YANXINGGUO TECH CO LTD
An anti-loosening sewing machine needle bar fixing structure
ActiveCN104963125BEasy to fixTo achieve the purpose of anti-looseningNeedle barsDrive shaftCounterbore
An anti-loosening sewing machine needle bar fixing structure relates to the field of sewing machines. The invention solves the problem of machine needle loosening. The needle bar fixing structure of the anti-loosening sewing machine includes a needle bar, a sealing sleeve, a piston rod and a piston; the inside of the needle bar is designed as a cylindrical counterbore structure, and the needle bar is slidably assembled on the transmission shaft of the sewing machine; The sealing sleeve is designed to be cylindrical, and the inside of the sealing sleeve is designed as a conical counterbore structure, and the sealing sleeve is fixedly installed in the cylindrical counterbore of the needle bar; the piston is slidably fitted on the needle bar In the cylindrical counterbore; the piston rod is fixedly connected with the piston; using the principle of the syringe, by changing the size and position of the air pressure, the fixed state of the needle is controlled, and the needle is fixed more firmly through the anti-reverse sliding track , is not affected by external factors, and uses a simple structure to achieve the purpose of relaxation and movement.
Owner:WUJIANG ZHENYU SEWING EQUIP
Thread anti-loosening mechanism and anti-loosening mounting method
The invention belongs to the field of mechanical installation, and particularly relates to a thread anti-loosening mechanism and an anti-loosening installation method. The mechanism comprises an installation base, a pin shaft, a screw rod, an extension spring and a rotating arm; a threaded hole for mounting the screw rod is formed in the installation base, and a plurality of small holes are uniformly distributed along the circumferential direction of the threaded hole; the screw rod can be mounted on the installation base through the threaded hole, and two sides of the upper end of the screw rod are designed into plane structures; one end of the rotating arm is of a double-lug structure, double lugs are rotationally installed on plane structures on the two sides of the upper end of the screw rod, and the rotating arm can rotate around the screw rod; the other end of the rotating arm is further provided with a limiting protrusion capable of being inserted into a small hole in the upper surface of the installation base; pin holes are further formed in the plane structures on the two sides of the upper end of the screw rod and used for installing the pin shaft, one end of the extension spring is installed on the pin shaft, the other end is installed on the rotating arm, the length of the spring is not smaller than the distance between the threaded hole and the small hole of the installation base, and when the rotating arm rotates by any angle, the spring has a certain extension limiting effect on the rotating arm; and any screwing-in position of the screw rod is in an anti-loosening state.
Owner:GUIZHOU FENGLEI AVIATION ORDNANCE CO LTD
Interlocking reusable locknut
ActiveCN110873113AEasy to manufactureEasy to useNutsBoltsStructural engineeringMechanical engineering
The invention discloses an interlocking reusable locknut mainly applied to the mechanical field; the interlocking reusable locknut has an interlocking function, and can further exit for reutilization;the interlocking reusable locknut is composed of a nut A and a nut B; according to the working principle of the interlocking reusable locknut, the nut B is firstly tightened on a bolt so that a workpiece is pressed by the lower end of the nut B, and then the nut A is tightened on the bolt with the extrusion portions facing downwards; a plurality of convex ribs of the nut A and a plurality of convex ribs of the nut B are firstly extruded and compressed elastically; after the multiple convex ribs of the nut A get across the corresponding multiple convex ribs of the nut B, the multiple convex ribs of the nut A and the multiple convex ribs of the nut B are restored elastically; at the moment, the upper ends of the multiple convex ribs of the nut A are pressed by the lower ends of the multipleconvex ribs of the nut B, and interlocking between the nut A and the nut B is achieved; meanwhile, a plurality of arc segments of the nut B are extruded by the extrusion portions of the nut A, and external threads of the bolt are extruded by internal threads B of the multiple arc segments, so that the external threads of the bolt are tightly clamped, and the purpose of anti-looseness is achieved.
Owner:西安智同航空科技有限公司
A kind of slip buckle type anti-loosening nut
The invention discloses a slide buckle type locknut mainly applied to the mechanical field; the slide buckle type locknut has an interlocking function, and is easy to manufacture and use, and the locknut can be further reused; the locknut is composed of a nut A and a nut B; according to the working principle of the locknut, the nut B is firstly tightened on a bolt so that a workpiece is pressed bythe lower end of the nut B, and then the nut A is tightened on the bolt with the extrusion portions facing downwards; the upper ends of a plurality of columns of the nut A are slide along the lower ends of the threaded segments of a plurality of slide buckle convex ribs of the nut B, the upper ends of the columns and the lower ends of the threaded segments of the slide buckle convex ribs are extruded mutually and deformed elastically; after the multiple columns of the nut A enter the half-arc segments of the corresponding multiple slide buckle convex ribs of the nut B, the multiple columns ofthe nut A are restored elastically; interlocking between the nut A and the nut B is achieved; meanwhile, a plurality of arc segments of the nut B are extruded by the extrusion portions of the nut A,and external threads of the bolt are extruded by internal threads B of the multiple arc segments, so that the external threads of the bolt are tightly clamped, and the purpose of anti-looseness is achieved.
Owner:QUZHOU HONGTONG MACHINERY
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