2301results about "Locking fasteners" patented technology

The present disclosure provides a tolerance compensation fastening assembly for fastening a second part to a first part by cooperating with a nut element provided on the first part. The tolerance compensation fastening assembly comprises a bolt, a compensation element, a connection element, and a holding means. The compensation element comprises a body and a flange, and the flange is provided at one end of the body and defines a compensation hole in communication with a channel of the body. A bolt head is accommodated in the channel and is blocked by the flange, and a bolt rod passes through the compensation hole. The connection element comprises a connection disc and connection legs, and the flange is located between the bolt head and the connection disc. The connection disc is provided with a connection hole to receive the bolt rod. The connection legs are configured to connect the connection disc to the second part. The holding means is provided on the connection disc and the bolt rod, and is configured to couple the bolt rod to the connection disc to prevent the bolt rod from being withdrawn from the connection hole, thereby holding the bolt, the compensation element and the connection element in a pre-assembled position.

The utility model discloses a clamping structure of a wind turbine generator monitoring device, and belongs to the technical field of wind power equipment monitoring. Comprising a wind turbine generator which is fixed to the ground, and further comprises a base, connecting pieces, a clamping box body, connecting holes, connecting plates, elastic clamping rings, reinforcing blocks, a monitoring supporting plate and matching holes, the base is vertically arranged, the connecting pieces are fixed to the two horizontal sides of the base, and a plurality of mounting holes are formed in the connecting pieces; the connecting pieces are fixedly connected with the wind turbine generator by inserting bolt fasteners into the mounting holes, a space exists between the base and the wind turbine generator to form a wire harness channel, and the clamping box body is fixed to the side, away from the wind turbine generator, of the base. After the connecting piece is fixedly connected with the wind turbine generator, the connecting plate is inserted into the clamping cavity, the clamping hole is aligned with the connecting hole to form the connecting channel, then the connecting piece is inserted into the connecting channel, the reinforcing block and the clamping box body can be clamped and fixed, and installation is convenient and fast.

The utility model discloses an anti-loosening double-nut pressing type quick coupler, and relates to the technical field of sealing couplings. Comprising a connector body, and a continuous fifth threaded section is arranged on the outer wall of the connector body; the locknut set comprises a fastening nut and a locking nut, a fixed section is formed at one end of the fastening nut, a continuous first threaded section matched with the fifth threaded section is arranged on the inner wall of the fastening nut and the inner wall of the fixed section, a second threaded section is arranged on the outer diameter of the fixed section, a locking section is formed at one end of the locking nut, and the locking section is matched with the second threaded section. A third threaded section matched with the second threaded section is arranged on the inner wall of the locking section, and a fourth threaded section matched with the fifth threaded section is arranged on the inner wall of the locking nut; the fastening nut and the locking nut are in threaded connection through the second threaded section and the third threaded section, and the locking nut is in threaded connection with the fifth threaded section on the connector body through the fourth threaded section. The fastening nut and the locking nut are fixed in a detachable connection mode.

The utility model provides an anti-impact connecting bolt fastening structure of a high-voltage isolating switch, and relates to the technical field of high-voltage switches, the anti-impact connecting bolt fastening structure comprises a high-voltage isolating switch base and a switch anti-impact bolt connecting assembly, through bolts penetrate through the inner sides of base bolt holes, the lower side of a bolt head rubber mat is provided with a back shore spring, and the back shore spring is connected with the switch anti-impact bolt connecting assembly. A limiting sleeve is connected to the outer side of the jacking spring in a sleeving mode, a nut rubber mat is arranged on the lower side of the limiting sleeve, a connecting nut is arranged on the lower side of the nut rubber mat, a metal locking nut is arranged on the lower side of the connecting nut, and due to the effective buffering effect of a damping rubber mat, damage of vibration to the base is remarkably reduced, and the service life of equipment is prolonged; and through rotation of the penetrating bolt, rapid mounting and dismounting can be achieved, firm and reliable connection is ensured, and through adjustment of the fastening strength of the penetrating bolt, impact loads under different working conditions can be flexibly coped with, and stable operation of equipment is ensured.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim. A rigid cover ring may be coupled to the outer rim and extend radially inward toward the inner rim. Gas springs may be operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. Fastener assemblies fasten the rigid cover ring to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim, and gas springs operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. The wheel assembly may also include tread assemblies carried by the outer rim. Fastener assemblies may be configured to perform fastening at least one tread assembly to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener, and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap therebetween.

A friction spacer adapted to be interposed between two mechanical components in order to transfer a force between the two mechanical components, the friction spacer including a flat part having two opposite surfaces defining a thickness, and a plurality of protuberances projecting from at least one of the surfaces, the protuberances of the plurality of protuberances extending from the at least one of the opposite surfaces by a determined average height. The flat part and the protuberances are produced from the same metal material, and the same metal material continuously extends between the flat part and the protuberances.

The utility model relates to the technical field of anti-loosening bolts, in particular to an anti-loosening bolt for a wind driven generator, which comprises a bolt and a nut, the bolt comprises a head and a screw rod, the nut is in threaded connection with the surface of the screw rod, a sliding groove is arranged on the surface of the screw rod, and a circular ring base plate is sleeved on the surface of the screw rod. And a limiting block is fixedly connected to the inner arc surface of the circular ring base plate, the limiting block is clamped in the sliding groove, an inserting groove is formed in the surface of the circular ring base plate, and a locking mechanism is fixedly connected to the surface of the nut. The bolt and the nut can be fixed through matching of the circular ring base plate and the locking mechanism on the nut, so that connection between the bolt and the nut is firmer, the problem of bolt loosening caused by various complex working conditions such as vibration, high and low load changes and strong wind impact in the operation process of the wind driven generator can be effectively solved, and the service life of the wind driven generator is prolonged. The reliability of bolt connection is greatly improved, and stable connection of all parts of the wind driven generator is ensured.

A lock tab washer for a pipe hanger includes a washer body; an edge tab defining a first section and a second section, wherein the first section extends from the washer body and the second section is bent relative to the first section in a first direction; and first, second, and third nut tabs extending from the washer body, wherein each of the first, second, and third nut tabs are bent relative to the washer body in a second direction opposite the first direction.

A torque control fastener system having a fastener nut, a helical wire insert, and a shaft, where the nut and helical wire insert have unique hardness and coefficient of thermal expansion relationships that produce improved performance.

A nut adapted to disengage with a threaded bolt, the nut comprising a base portion integrally formed to a top portion. The nut includes a bore positioned along a central axis through the base portion and the top portion, wherein the top portion is tapered between circumference of the base portion and the bore of the top portion. The tapering is at an angle between 0° to 45° relative to the diameter of the base portion; the base portion comprises at least two cavities, wherein the at least two cavities extend vertically into the base portion.

The invention discloses an anti-loose structure nut and a using method thereof, and the anti-loose structure nut is composed of an upper nut and a lower nut; one end of the upper nut is of a conical surface structure, and the inclined angle of the conical surface structure relative to the central axis of the upper nut is 16 degrees; a groove is formed in the conical surface structure; the upper portion of the lower nut is an inner taper hole, the lower portion of the lower nut is a straight hole, and the included angle between inclined generatrixes on the two sides of the inner wall of the inner taper hole is 16 degrees. The diameter of the inner taper hole is smaller than that of the conical surface structure. The using method comprises the following steps that (1) the lower nut is screwed into the bolt penetrating into the interlayer; and (2) screwing the upper nut into the inner taper hole of the lower nut by adopting a hexagonal wrench. The device is simple in structure and easy to process and manufacture; common carbon steel or stainless steel materials are adopted, so that the manufacturing cost is low; the locking torque is large and stable, and the anti-loosening performance is excellent; during installation, the locking torque can be adjusted according to actual requirements; and the locking torque is stable and reliable, and can be repeatedly disassembled and used.

The utility model provides a two-way anti-loose fastener for a vehicle, which belongs to the technical field of fasteners, aims to solve the problems that the smearing efficiency of screw fastening glue is influenced, the workload of constructors is increased, and the working efficiency when parts are positioned and connected is influenced, and comprises a two-way bolt, and an inner side nut is in threaded connection with the outer side of the two-way bolt; the outer side nut is arranged at the rear end of the inner side nut; a glue storage cavity is formed in the inner end of the inner side nut; the power assisting ring is fixedly connected to the front end face of the inner side nut. The gluing auxiliary mechanism is arranged between the glue guide through hole and the glue storage cavity; the locking auxiliary mechanism is arranged between the two-way bolt and the inner side nut and the outer side nut; compared with the prior art, the operation steps of positioning the automobile part support are simplified, the smearing efficiency of the screw fastening glue is improved, meanwhile, the repeated labor frequency and workload of constructors are reduced, and the operation convenience of the fastener in the actual application process is further improved.

A fastened member configured to be fixed to a vehicle body-side member by a screw member includes: a base including a reference surface configured to receive a bearing surface of the screw member; an insertion hole provided in the base and configured to insert the screw member therethrough, and a protruding portion protruding from the reference surface. The protruding portion includes a tilted surface tilted so as to become higher along a rotation direction in which the screw member is tightened. When the screw member is tightened, the protruding portion and the base are sandwiched between the vehicle body-side member and the bearing surface and are plastically and elastically deformed.

The present application relates to the technical field of fastener, in particular to a nut assembly for preventing loosening and unfastening and a packaging method thereof, the nut assembly is composed of a bolt, a nut and a protection structure, the protection structure includes a protection body with a protection cavity, a guide, an elastic support and an elastic end piece; the elastic support is arranged at one end of the protection cavity; the elastic end piece is detachable at the other end of the protection cavity; the elastic end piece, the guide, the nut, the bolt and the elastic support are distributed along the protection body in the axial direction, and the elastic support and the elastic end piece have a first elastic body and a second elastic body respectively; when the elastic end piece is pressed, the second elastic body supplies air to the nut and cleans it through the guide; when the elastic support is pressed, the bolt is exposed from the cavity opening of the protection cavity, when the elastic support recovers, the bolt is retracted into the protection cavity and wrapped by the first elastic body, the present application completes the cleaning of the nut and the bolt while packaging the beads, reduces the production process flow and ensures the production capacity.

To provide a fastener capable of shortening a fastening time.SOLUTION: A fastener comprises a male screw member 10 and a female screw member 20. The male screw member includes a screw part 11 in which male screw faces 12A and 12B in which a male screw side screw thread 12 is formed so as to extend substantially orthogonally in an axial direction and outer peripheral pieces 13A and 13B in which the male screw side screw thread 12 is not formed are alternately disposed in an outer peripheral direction. The male screw side screw thread 12 is formed so as to reduce a width in the axial direction from a substantial center 12CA of the male screw side screw thread 12 in an extension direction toward both ends 12CB and 12CC. The female screw side member includes a screw hole 21 in which female screw faces 22A and 22B in which a female screw side screw thread 22 is formed so as to extend substantially orthogonally in an axial direction and inner peripheral pieces 23A and 23B in which the female screw side screw thread 22 is not provided are alternately disposed in an inner peripheral direction. The female screw side screw thread 22 is formed so as to reduce a width in the axial direction from a substantial center 22CA of the female screw side screw thread 22 in an extension direction toward both ends 22CB and 22CC.SELECTED DRAWING: Figure 1

A system for adaptive coupling of two structural members comprises a first eccentric hollow bush having a cylindrical outer surface and a cylindrical inner hole with an axis that is eccentric relative to the first-bush outer surface, and a second eccentric hollow bush having a cylindrical outer surface and a cylindrical inner hole having an axis that is eccentric relative to the second-bush outer surface. When the system is in an unlocked and assembled state, the second bush is disposed within the inner hole of the first bush such that its outer surface faces the first bush inner hole, the first bush is inserted in respective opposing fixturing holes of the two structural members such its outer surface faces the fixturing holes, and the first second bushes are respectively rotatable about the first and second eccentric axes.

The invention belongs to the technical field of screws, and particularly relates to a multi-gear adjusting clamping sleeve type anti-loosening screw fastener and an assembling method thereof. The multi-gear adjusting clamping sleeve type anti-loosening screw fastener comprises a screw body, the screw body is provided with a working thread and an anti-loosening thread extending in the direction, away from the head, of the tail end of the working thread, and the thread rotation direction of the working thread is opposite to that of the anti-loosening thread. The diameter of the working thread is larger than that of the anti-loosening thread. According to the anti-loose screw fastener, the nut, the anti-loose cap and the anti-loose clamping sleeve are cooperatively matched, efficient fastening can be achieved, an anti-loose clamping sleeve structure without precise alignment is not needed, installation is convenient, and the anti-loose screw fastener has wide market application prospects.

The invention concerns a multi-part brake caliper for a vehicle disc brake, the brake caliper comprising: a first part comprising a portion that is arrangeable at a first side face of a brake disc of the vehicle disc brake; a second part that is formed separately form the first part and comprises a portion that is arrangeable at a second side face of the brake disc; a middle part connecting the first part and the second part; wherein the middle part is mechanically fixed to at least one of the first and second part.

The utility model provides a multifunctional lock bolt, which relates to the technical field of bolts, and comprises a head body, the bottom end of the head body is fixedly connected with a screw rod, the outer surface of the screw rod is provided with a fastening structure, the fastening structure comprises an inserting rod, one side of the inserting rod is fixedly connected with an L-shaped block, and the L-shaped block is fixedly connected with the bottom end of the head body. An L-shaped block is fixedly connected to the top end of the head body, an elastic piece is fixedly connected to the top end of the L-shaped block, a circular groove is formed in the screw rod, two protruding rods are fixedly connected to one side of the elastic rod, and a clamping groove is formed in the top end of the head body. The two elastic rods in the circular grooves are extruded by the surfaces of the inserting rods, so that the convex rods on one sides of the elastic rods extrude the rubber strips, the rubber strips expand outwards to fill the joints of the outer surfaces of the screws and the parts or the nuts, and the screws and the parts or the nuts are fastened. And connection looseness caused by shaking after the screw is connected with a part or a nut is avoided as far as possible. And the stability when the bolt is used is improved.

An anti-loosening bolt assembly, a use method, and a repeatable removal and use method. The anti-loosening bolt assembly comprises: a screw rod (100), the screw rod (100) comprising a head portion (110), and a rod portion (120) sequentially passing through a first workpiece (300) and a second workpiece (400), the outer wall of the rod portion (120) being provided with an outer thread (121), and the side of the outer thread (121) facing towards the head portion (110) being provided with a plurality of locking slots (1201) arranged at equal intervals along the extension direction of the outer thread (121); and a locking nut (200) connected to the rod portion, the locking nut (200) being provided with an inner thread (210), the side of the inner thread (210) facing away from the head portion (110) being provided with locking protrusions (211), the inner thread (210) fitting the outer thread (121) to drive the locking nut (200) to move towards the second workpiece (400) and press the second workpiece (400), and to drive the locking protrusions (211) to sequentially pass through the plurality of locking slots (1201) in the screw-in direction of the locking nut (200) and be in embedded fit with the locking slots (1201), so as to prevent the locking nut (200) from screwing out.

A pull-rivet assembly, a product, a product assembly, and a product installation method are disclosed. The pull-rivet assembly includes a pull-rivet nut including a locating end, a bolt threadedly connected to the pull-rivet nut, and a washer sleeved on the locating end of the pull-rivet nut. The washer engages the locating end of the pull-rivet nut so that the pull-rivet nut cannot rotate relative to the washer, and the washer is adapted to engage a sleeve of a pull-rivet tool to prevent the pull-rivet nut from rotating when being pulled by the pull-rivet tool. In the present invention, the pull-rivet nut is riveted to a second component and the first component is fastened to the second component by tightening the bolt. Moreover, the pull-rivet nut does not rotate during the tightening of the bolt. The present invention simplifies the installation step of fastening the first component to the second component and reduces the cost.

An air vehicle structure includes a first component having a plurality of first component openings, and a second component positioned on the first component and having a plurality of second component openings aligned with the plurality of first component openings. A plurality of fasteners extend through the second component openings and into the plurality of first component openings to secure the second component to the first component. A cover assembly is installed over the second component covering the plurality of fasteners and includes a cover frame, and a plurality of wedge lock assemblies. Each wedge lock assembly is positioned at a second component opening of the plurality of second component openings. Each wedge lock assembly of the plurality of wedge lock assemblies are engaged to an interior surface of a corresponding second component opening of the plurality of second component openings to secure the cover assembly to the second component.

A torque control fastener system having a fastener nut, a helical wire insert, and a shaft, where the nut and helical wire insert have unique hardness and coefficient of thermal expansion relationships that produce improved performance.

The utility model discloses an anti-loose metal clamping sleeve type sealing joint combination, and relates to the technical field of sealing joints. The anti-loose metal clamping sleeve type sealing joint combination comprises a joint body and a welding transition joint, the welding transition joint is connected to one end of the joint body, an annular groove is formed in the inner side wall of the end of the joint body, the diameter of the annular groove is matched with the outer diameter of the welding transition joint, the welding transition joint is inserted into the annular groove, and the welding transition joint is connected with the end of the joint body. A trumpet-shaped limiting groove expanding outwards is formed in a groove opening of the annular groove; the welding transition joint is sleeved with a locknut, the locknut is in sliding connection with the welding transition joint, a first threaded section in an external thread shape is arranged on the outer side of the joint body, the locknut is in threaded connection with the joint body, and a clamping sleeve is arranged between the inner wall of the locknut and the outer wall of the welding transition joint. The end, close to the connector body, of the clamping sleeve is provided with a conical cutting edge.

A connecting rod coupling device for attaching a component to an aircraft fuselage and / or stiffening the fuselage has a first coupler, and a second coupler couplable to the first coupler. The first coupler has an elongate body with a first channel on a lateral surface along a first longitudinal axis. The second coupler has a hollow-cylindrical portion, which, on an inner face along a second longitudinal axis, has a second channel complementing the first channel. The hollow-cylindrical portion has a radial cutout through which the elongate body is radially insertable into the second channel from outside the hollow-cylindrical portion. The second coupler has a closure body, which closes the radial cutout, and can be positioned removably in the cutout to complete the second channel on a radially internal face. The second coupler also has an element, pushable onto the hollow-cylindrical portion to secure the closure body on the hollow-cylindrical portion.

The utility model discloses a connection anti-loosening device for a tire burst emergency safety device, which comprises an emergency supporting sheet and an anti-loosening component, the anti-loosening part comprises a notch formed in one side of the emergency supporting piece, a screw arranged in the notch, a connecting plate fixedly connected with one end of the screw, a connecting opening formed in one side of the emergency supporting piece, a threaded hole formed in one side of the connecting opening and a cavity formed in the inner wall of the connecting plate. According to the anti-loosening device, the emergency supporting piece and the anti-loosening component are arranged, so that the problems that when an existing anti-loosening device is used, although a bolt can be limited through a special-shaped gasket, the gasket needs to be wrenched to be tightly attached to the bolt every time, and the bolt cannot be loosened are solved. And the problem that the practicability is reduced due to the fact that the gasket is easily separated from the bolt after being used for a long time, the limiting effect on the bolt becomes poor and the bolt is easy to loosen is solved.

A male thread 75 is formed on the lower end of the outer peripheral surface 72 of a sleeve 7 inserted into an insertion hole formed in a hosel portion of a metal hollow golf club. A female thread 81 of a cap nut 8 is screwed onto the male thread 75 and the sleeve 7 is fixed in the insertion hole consisting of a large diameter circular hole 31, a step portion 32 and a small diameter circular hole 33. The cap nut is fastened to the lower end portion 35 of the hosel portion 3 via a washer 82.

A retention system for a threaded fastener is contemplated. The retention system optionally includes a threaded housing having one or more engagement recesses extending through a portion of the housing wall. A threaded hub including a plurality of teeth and a trough between each tooth of the plurality of teeth is coupled with the threaded housing. A vise anchor, (e.g., a clip, clasp, clamp, or other similar fastener) includes two or more jaws interconnected by a bridge. Each jaw includes an engagement portion where the engagement portion is sized and shaped to extend through the one or more engagement recesses and be received within the trough. Each jaw is formed to maintain retention of the threaded hub received within the housing.