81results about How to "To achieve the purpose of anti-loosening" patented technology

The invention provides a connector shell and a connector. The connector shell comprises a shell body of which the axis extends front and back, and a connecting nut sleeving the shell body in a rotating way and used for getting connection with an adapted connector shell in a locking way through a curved groove-clamp structure; a stopper bulge ring is arranged at the periphery of the shell body; one or more than two axial bulges are arranged axially at intervals on the rear side of the stopper bulge ring; a locking ring stopping rotation in circumferential direction relative to the connecting nut is arranged behind the stopper bulge ring on the shell body in a sleeving way; the front side of the locking ring is provided with axial grooves matched with the axial bulges and in one-to-one correspondence with the axial bulges in quantity; the rear side of the locking ring is provided with a spring used for providing a forward elastic force to the locking ring. The connector shell provided by the invention is simple in structure, can avoid over plugging of contacts during use, is convenient to use and has obvious in-place hand feeling.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses a tightening deformation locking bolt. The tightening deformation locking bolt is composed of a special-shaped bolt, a cap nut, a rectangular sleeve part and a spacer, wherein one end of the special-shaped bolt is a head portion; the other end of the special-shaped bolt is a fixing rod; the middle of the special-shaped bolt is a screw rod with outer threads; the cap nut is provided with a nut body, a cap and a fixing hole; the special-shaped bolt and the cap nut are spaced by the spacer; the cap and the nut body on the cap nut are connected together; the fixing hole is formed in the inner top face of the cap; the internal height of the cap nut is greater than the length of the fixing rod; when the fixing rod penetrates through the nut body to the fixing hole in the inner top face of the cap, the screw rod on the special-shaped bolt is combined with the nut body on the cap nut, and the locking effect is achieved through rotating; the shape of the special-shaped bolt and the cap nut can be mechanically machined and manufactured, so that the production cost is relatively low, and large-scale production can be achieved. The tightening deformation locking bolt has good market prospects.

The invention discloses an anti-loosing screw nut which comprises a screw nut mounting sleeve, a driving screw nut and a locking screw nut, wherein the driving screw nut is mounted inside the screw nut mounting sleeve; a driving part is arranged above the driving screw nut; a shrinking part is arranged below the locking screw nut; a plurality of insert slots are formed in a side wall of the shrinking part in an axial direction; the shrinking part is driven by the driving part to shrink in a radial direction; a plurality of clamping strips are arranged above the shrinking part; annular limiting grooves are formed in the inner wall of the screw nut mounting sleeve; end parts of the clamping strips are driven by the driving part to be expanded in the radial direction and embedded into the annular limiting grooves. As the shrinking part of the locking screw nut is controlled to shrink in the radial direction by the driving screw nut, the radial connection pretightening force of a bolt can be increased, the anti-loosing purpose is achieved, meanwhile the bolt is driven to drive the clamping strips to be embedded inside the screw nut mounting sleeve, the locking screw nut and the screw nut mounting sleeve are locked, connection stability is ensured, and the anti-loosing effect is further improved.

The invention discloses a locking releasing-preventive hexagon nut which comprises a hexagon nut body and a screw hole. A transverse wedge-shaped slot is arranged on the hexagon nut body, and the depth of the wedge-shaped slot is proper so that the wedge-shaped slot reaches the center line of the screw hole. The locking releasing-preventive hexagon nut has the advantages of simple structure, convenience in installation, high safety performance and high practicality.

The invention relates to an anti-loosening device for the light-distribution regulation of a lamp and a lamp using the anti-loosening device. The anti-loosening device comprises a rotating ring rotationally sleeved on a lamp main body, and an anti-loosening elastic sheet fixed on the lamp main body, wherein the rotating ring rotates to drives a light-distribution regulation device which is connected with the rotating ring to adjust the focus of the lamp; and a plurality of continuous anti-loosening parts are further arranged on the inner surface of the rotating ring, and the end part of the anti-loosening elastic sheet is sequentially contacted with the side surfaces of the plurality of anti-loosening parts during the rotating process of the rotating ring, so as to generate a resistance opposite with the rotating direction of the rotating ring. The lamp comprises the lamp main body, the light-distribution regulation device and the anti-loosening device. The anti-loosening device for the light-distribution regulation of a lamp and the lamp using the anti-loosening device disclosed by the invention achieve the anti-loosening purpose by utilizing the matching of the anti-loosening elastic sheet and the anti-loosening parts on the inner surface of the rotating ring, and can effectively prevent the problem of unstable light distribution due to the loosening which is brought by vibration, rapid movement and the like during a light-distribution regulation process; and the lamp using the anti-loosening device is more accurate in light distribution.

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.

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.

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.

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.

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.

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.