1685results about "Pins" patented technology

A security fastener assembly is provided with a cap having a decorative bearing surface and a lower retention portion. A fastener body has: a threaded portion or securing the fastener assembly to a corresponding threaded feature on a vehicle; a stem opposite the threaded portion for receiving the cap, the stem having a security protrusion defining a distal end, an undercut formed adjacent the stem for cooperating with the lower retention portion of the cap, where the lower retention portion of the cap is secured in the undercut to maintain the cap on the fastener body; a keyed security drive feature formed between the threaded portion the stem portion where the fastener body is removable with the keyed security feature. Engaging the decorative bearing surface of the cap and rotating does not rotate the threaded portion of the fastener body.

To provide an anti-theft device that makes it difficult to remove a fish finder from a mount to prevent theft.SOLUTION: An anti-theft device 2 prevents the theft of a fish finder 1 attached to a mount 7 with a mounting screw 13, and includes: a base 15 that is fixed to the mount 7 together with the fish finder 1 with the mounting screw 13; a cover 20 that can be attached to the base 15 so as to cover the mounting screw 13; and a lock 22 for locking the cover 20 so that it cannot be removed from the base 15.SELECTED DRAWING: Figure 3

To provide a gaming table that can improve maintainability. 【Solution means】 It includes a certain screw and a magnet, and is configured to be able to hold the certain screw removed from the gaming table by the magnetic force of the magnet.

The invention relates to a three-dimensional adjustable hyperbolic special-shaped GRC curtain wall system, and belongs to the technical field of curtain walls. The three-dimensional adjustable hyperbolic special-shaped GRC curtain wall system comprises a keel frame, a curtain wall plate and a connecting cross rod, the connecting cross rod is fixedly connected to the end, facing the keel frame, of the curtain wall plate, and the surface of the connecting cross rod is sleeved with a connecting component in threaded connection with the keel frame; the connecting component comprises a first locking assembly in threaded connection with the keel frame, the top of the first locking assembly is fixedly connected with a depth adjusting assembly, and the top of the depth adjusting assembly is fixedly connected with a lateral adjusting assembly; an installation worker can trigger the anti-loosening assembly to discharge the liquid sealant while installing the second locking assembly, and the connecting components are integrally bonded and fixed together, so that the problem that an existing hyperbolic special-shaped GRC curtain wall system with a three-dimensional adjustable function is prone to loosening and even falling off due to the influence of external force is solved.

The invention discloses a modular splicing type wind power tower drum, and relates to the technical field of wind power engines, the modular splicing type wind power tower drum comprises a first tower drum and an automatic splicing assembly, a first flange is arranged on the outer wall of the top of the first tower drum, the automatic splicing assembly is fixed on the outer wall of a second tower drum, and a rotating sleeve is fixed at the end part of a blade. According to the modular splicing type wind power tower drum, oil flows in the annular channel to push the gear ring to be meshed with the nut gear to rotate, so that the nut body is in threaded connection along the surface of the fastening bolt in the descending process, and after the fastening bolt completely descends, the oil stops flowing to form resistance on the two sides of the blades; the nut body cannot rotate at will through the bearing, it is guaranteed that the first tower drum and the second tower drum are firmly spliced through the fastening bolts, fastening of all the fastening bolts can be achieved at a time, workers do not need to work high above the ground, assembly time is greatly shortened, and therefore the assembly efficiency of the tower drums is improved.

An assembly having a chassis, two supports with a plate and a guide, a nesting system with a bore, a reservoir containing an extinguishing fluid and with two fastening tabs, two bearing tabs and a peg, and a fastener. The reservoir is able to move in translation between a premounting position in which each fastening and bearing tab rests on a plate and each guide guides the fastening and bearing tabs to align the peg and the bore, and a mounting position in which each fastening tab rests on the plate, the peg is introduced into the bore, the bearing tabs no longer rest on the plates and the fastener fastens each fastening tab to the plate. Such an assembly allows the reservoir to be withdrawn and put in place quickly and easily.

The invention relates to the technical field of fasteners, in particular to a hardware connecting fastener with a buffer structure, which comprises a bolt cap and a screw, the bottom of the bolt cap is fixedly connected with the screw, the bottom end of the bolt cap is fixedly connected with a gasket, and the bottom of the screw is fixedly connected with a rotating plate. The bottom of the rotating plate is fixedly connected with a shape memory alloy, the bottom of the shape memory alloy is fixedly connected with a bottom plate, an anti-loosening mechanism is arranged in the screw rod, and a buffering mechanism is arranged in the screw rod. The anti-skid wire ensures stable connection, through buffering impact resistance, when the electronic product is vibrated, the buffer plate drives related parts, impact force is counteracted through the buffer spring, the impact resistance is improved, in addition, the buffer plate moves to drive the ejector rod to press the pressing rod, lubricating oil is extruded out to lubricate the screw rod, abrasion is reduced, and disassembly is convenient.

The utility model discloses a feeding device for a nail making machine, which aims to solve the problem that the height of the existing steel wire unwinding mechanism is fixed and cannot be adjusted, thereby causing the steel wire to be in a bent state during the wire feeding process, which is not conducive to the subsequent steel wire straightening work; the key points of its technical solution are: it includes a mounting bracket, and there is a guide sleeve on the corner of the mounting bracket, a guide rod is arranged in the guide sleeve, the top of the guide rod is connected to a fixed plate, and a frame is arranged below the fixed plate, and also includes a driving member, the output shaft of the driving member is fixedly connected to the bottom of the mounting bracket, a unwinding mechanism is arranged on the top of the mounting bracket, and a straightening mechanism is arranged on one side of the unwinding mechanism. The utility model is provided with a driving member, and the staff can change the height of the unwinding mechanism through the driving member, so that the steel wire and the straightening wheel are at the same height, ensuring that the steel wire passes through the straightening wheel in parallel, improving the straightening efficiency, avoiding affecting the subsequent production and processing of screws, improving the reliability of screw production, and reducing the product defect rate.

The concrete sleeper maintenance equipment comprises a vehicle body and an oil containing barrel installed on the vehicle body, an oil coating barrel is arranged on the vehicle body and communicates with the oil containing barrel through an oil conveying pipe, an oil coating opening matched with a bolt is formed in the bottom of the oil coating barrel, and a blocking plate is arranged on the side, close to the oil coating opening, in the oil coating barrel; a plurality of annular oil outlets are formed in the blocking plate, a piston plate located on the side, close to the oil coating opening, of the blocking plate is arranged in the oil coating barrel, a first oil outlet channel is formed in the middle of the piston plate, a second oil outlet channel is reserved between the outer wall of the piston plate and the inner wall of the oil coating barrel, and piston rods penetrating through the oil outlets are arranged on the piston plate. A blocking plate capable of blocking the oil outlet is arranged at the end, away from the piston plate, of the piston rod. Anti-rust oil can better enter hidden gaps in the bolt and the elastic strip, and the bolt on the sleeper can be conveniently maintained.

The invention relates to an adapter sleeve with excellent installation adaptability, and belongs to the technical field of adapter sleeves, the adapter sleeve comprises a rotating shaft, and the outer wall of the rotating shaft is provided with a bearing main body. When the adapter sleeve and the bearing are assembled and connected, in order to improve the self-locking stability of the positioning block after threaded connection and prevent the positioning block from slipping after being used for a long time and reducing the stability of the bearing under high-strength rotation, the rotating block is operated, and under the fixed connection of the connecting shaft, the rotating block is not prone to falling off. A connecting gear is driven to rotate, through rotation of the connecting gear, a clamping rod is driven to slide along the inner wall of a limiting groove through rotation of a swing rod, the clamping rod is inserted into a clamping groove, and meanwhile, through rotation of the connecting gear, an extrusion block is extruded, and a telescopic rod and a spring are driven to do reciprocating jacking motion; and the gear is clamped and fixed by the extrusion block in time, so that the clamping and fixing use stability of the clamping rod to the positioning block is improved.

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 discloses a salt spray corrosion prevention metal fastener which comprises a bolt, one end of the bolt is fixedly connected with a hexagon bolt head, the lower end of the hexagon bolt head is fixedly connected with an anti-seepage plate, the bolt is provided with three sets of nut mechanisms, two sets of nut mechanisms close to the hexagon bolt head are provided with protection mechanisms, and the two sets of nut mechanisms close to the hexagon bolt head are provided with anti-seepage plates. Each nut mechanism and the hexagon bolt head are provided with galvanized coatings, the nut mechanism closest to the hexagon bolt head comprises a first nut, a first limiting plate is fixedly connected to the first nut, and a circular groove is formed in the top of the end, close to the hexagon bolt head, of the first nut. The nut mechanism far away from the hexagon bolt head comprises a third nut, and the end, far away from the hexagon bolt head, of the third nut is fixedly connected with a protective cover. By arranging the protection mechanism, air is prevented from entering the nut, and the nut and a bolt making contact with the nut are prevented from being corroded by salt mist.

The utility model discloses a special-shaped bolt fastener, comprising an installation part one, a protection component arranged inside the installation part one, the protection component comprising a bolt head one, a screw rod being threadedly connected to the inner wall of the installation part one and the inner wall of the installation part two, a threaded sleeve being threadedly connected to the outer wall of the bolt head one, an end of the threaded sleeve being fixedly connected to the bolt head two away from the screw rod, a sealing ring being fixedly connected to the outer wall of the threaded sleeve, and a sealing cover being fixedly connected to the outer wall of the bolt head two, through the protection component, an inner hexagonal wrench is inserted into a regular hexagonal hole one and rotated together, driving the screw rod to rotate, fixing the installation part one and the installation part two, and an inner hexagonal wrench is inserted into the regular hexagonal hole two and rotated, fixing the threaded sleeve to the outer wall of the bolt head one, utilizing the above structure to realize protection of the bolt installation hole, increase the waterproof function of the bolt, avoid rainwater from penetrating into the interior of the part from the gap between the bolt and the part, and improve the flexibility of the device.

Disclosed in the present disclosure is a supporting bolt, a cantilever supporting structure and a conducting device. The supporting bolt includes a locking screw, a support screw sleeve, and an elastic supporting member. The locking screw is fixedly connected the pressure receiving structure. The support screw sleeve is fixedly connected the pressure applying structure and is slidably disposed on an outer surface of the locking screw along a direction of the central axis within a sliding range. The elastic supporting member includes a first elastic member, a first end of the first elastic member is compressed against the support screw sleeve, and a second end of the first elastic member is compressed against the pressure receiving structure, the first elastic member has an elastic force along the pressure receiving structure towards the pressure applying structure to support the pressure applying structure.

The utility model discloses a high-strength special-shaped anti-theft bolt and a matched assembling and disassembling tool thereof, the anti-theft bolt comprises a special-shaped bolt and a special-shaped nut which is in threaded connection with the special-shaped bolt, and a head pulling and screwing clamping surface of the special-shaped bolt and a pulling and screwing clamping surface of the special-shaped nut both adopt Lello triangle outlines. The matched assembling and disassembling tool comprises a clamping head, a cylindrical clamping column and a clamping groove, wherein the clamping groove is formed in the cylindrical clamping column and matched with the pulling and screwing clamping face of the head of the special-shaped bolt and the pulling and screwing clamping face of the special-shaped nut in shape. Compared with the prior art, the high-strength special-shaped anti-theft bolt has the advantages that the high-strength special-shaped anti-theft bolt solves the problem that a fastener is stolen due to the fact that disassembly is convenient and fast, the head of the bolt cannot be directly rotated through an external conventional tool, and therefore the anti-theft performance of the whole stud is improved; and the structural design is ingenious, the installation procedures are consistent with the steps of a common fastener, the fastening requirement can be met, and the ideal anti-theft effect can be achieved.

The utility model discloses a nylon locking nut which comprises a nut body, a nut inner seat, a mounting groove, a nylon ring, a nut base and a limiting assembly, the nut inner seat is arranged on the lower portion of the interior of the nut body, and the mounting groove used for clamping the nylon ring is formed in the upper portion of the interior of the nut body. The outer side wall of the nylon ring is tightly attached to the inner side wall of the nut body, a nut base is connected to the lower portion of the outer portion of the nut body, limiting assemblies are symmetrically arranged on the nylon ring, internal threads are arranged in the nut inner base and the nut base, and the nut body, the nut inner base and the nut base are of an integrated structure. Threaded holes used for screwing in the limiting assembly are formed in the upper portion of the nut inner base, the threaded holes are symmetrically arranged, the anti-loosening performance of the nut body can be improved, the nylon ring is prevented from being disengaged, the drainage groove is formed in the outer side wall of the nylon ring, and part of water can be prevented from remaining in the nut body.

The utility model discloses a reinforcement device for pipeline construction, including a fixed clamp and a limiting clamp, a top plate is provided on the top of the limiting clamp, the side of the top plate is connected to the first cover plate by a rotating shaft, the side of the first cover plate is fixedly connected to the first side plate, a slot is provided at the bottom of the first side plate, the other side of the top plate is connected to the second cover plate by a rotating shaft, the side of the second cover plate is fixedly connected to the second side plate, an insert block is installed at the bottom of the second side plate, the insert block is inserted into the slot, a grid is provided on the inner wall of the first cover plate, a breathable net is inlaid on the outside of the grid, and a drying sheet is inserted into the inside of the grid. The reinforcement device for pipeline construction is provided with a top plate on the top of the limiting clamp, and the side of the top plate is connected to the first cover plate by a rotating shaft, and then the side of the first cover plate is fixedly connected to the first side plate, so that the fastener structure of the reinforcement device is not easy to corrode and rust, and its protectiveness is strong.

The invention relates to the technical field of clamping devices, and provides a clamping device and an electronic equipment support. The clamping device comprises a clamping module, a support module and a locking module which are connected in sequence; the clamping module is provided with a first connecting piece, the support module is provided with a second connecting piece connected with the first connecting piece, the locking module comprises a shell structure, a nut and a transmission structure, the shell structure is provided with a hollow channel for fixedly containing the nut, and the shell structure and the transmission structure are matched to drive the nut to rotate. The first connecting piece and the second connecting piece are locked; a containing cavity is formed in the shell structure, the transmission structure comprises a ratchet wheel, a locking assembly, a first limiting assembly and a second limiting assembly which are arranged in the containing cavity, the ratchet wheel is arranged on the circumferential outer surface of the nut, and the locking assembly is located between the first limiting assembly and the second limiting assembly; the nut is rotationally matched with the shell structure, and the locking assembly drives the first limiting assembly or the second limiting assembly to elastically abut against the ratchet wheel.

A fastener assembly is described for coupling a second component, via a strap, to an opening in a first component. The assembly includes a lock pin and a base structure. The lock pin has a shank with a head at one end and a lock tab at the opposite end. The base structure includes a grommet portion defining a grommet opening and a pair of resilient legs configured to engage the opening. The head comprises a fixed planar portion attached to the shank and at least one hinged wing portion. An installation indicator spans at least part of both the fixed and wing portions. The grommet opening receives at least part of the shank and includes a protrusion feature that secures the lock pin in a first assembled position. At least one leg includes a resilient flex tab configured to retain the base structure within the opening of the first component.

The invention discloses a pull rivet connecting piece and a lantern ring preparation method and application thereof, the pull rivet connecting piece comprises a pull rivet and a lantern ring, and a preformed directional deformation protrusion is arranged on the cylinder wall of the lantern ring and located in a preset bulging deformation area. In the rivet pulling process, the directional deformation protrusion preferentially generates radial plastic deformation when being axially compressed, so that a drum-shaped locking structure which is accurate in position and uniform in shape is formed, and the lantern ring is integrally formed through a local plastic deformation process and can be prepared through an internal reaming method or an external die assembly extrusion method. According to the lantern ring, it can be ensured that radial plastic deformation is evenly spread in the circumferential direction of the lantern ring through the directional deformation protrusions designed through the pre-forming structure, controllability and predictability of the deformation process are greatly improved, consistency, reliability and convenience of pull-rivet connection are kept through the design, the tensile strength and the shear strength of connection are remarkably improved, and the service life of the lantern ring is prolonged. The method is suitable for occasions with high reliability requirements.

A captive fastener system and methods of installing captive fasteners are presented. A captive fastener system comprises an expandable opening with an initial diameter connected to a channel; and the channel. The channel has an internal diameter larger than the initial diameter and an exit diameter configured to retain a head of a fastener inside the channel.

The utility model discloses an anti-theft locknut which comprises a mounting piece, a main bolt, a locking nut and an abutting nut, the main bolt penetrates through the mounting piece, the top end of the main bolt is fixedly connected with a main bolt head, the locking nut and the abutting nut are both connected to the surface of the main bolt in a threaded mode, and an auxiliary bolt for fixing the abutting nut is further installed at the bottom of the abutting nut. The auxiliary bolt is fixedly connected with the bottom end of the main bolt in an inserted mode, a beveled groove is formed in the lower surface of the locking nut, the section of the beveled groove is in a circular truncated cone shape, and an abutting table matched with the beveled groove is integrally formed on the top of the abutting nut. The anti-theft and anti-loosening nut is reasonable in structural design and convenient to use, adopts a double-nut structural mode and is used for locking and abutting tightly, the double-nut structural mode and the double-nut structural mode are in non-rigid connection, synchronous loosening caused by vibration factors can be effectively avoided, the production cost is low, the application range is wide, and the anti-theft and anti-loosening nut has extremely high utilization value and extremely good anti-theft and anti-loosening effects.

The invention relates to the technical field of coatings, and discloses a weather-resistant high-strength anti-corrosion rust remover based on an inorganic composite material, a preparation method of the weather-resistant high-strength anti-corrosion rust remover and application of the weather-resistant high-strength anti-corrosion rust remover to bolts. The preparation method comprises the following steps: carrying out atom transfer radical polymerization reaction on a thiophene-containing initiator, styrene and hydrotalcite dispersion liquid to obtain a hydrotalcite / block copolymer composite material, and uniformly mixing the hydrotalcite / block copolymer composite material with phosphorus-containing epoxy acrylate, acrylic acid methyl gallate, an active diluent and a photoinitiator; the weather-resistant high-strength anti-corrosion rust remover based on the inorganic composite material is prepared. The rust remover has excellent corrosion resistance and weather resistance, a passivation protection coating is formed after the rust remover serving as a rust coating is coated and cured on the surface of a base material subjected to incomplete rust removal, the coating is high in mechanical strength and has lasting weather resistance and corrosion resistance, and the rust remover can be applied to anti-corrosion protection of bolts.

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.

The utility model discloses an anti-sinking aluminum alloy frame for a solar photovoltaic panel, relates to the field of photovoltaic solar energy, and aims to solve the technical problems that in the prior art, a photovoltaic power generation panel is usually installed in an open area, wind power in the open area is large, an aluminum alloy frame on the existing photovoltaic power generation panel is affected by strong wind, the surface is prone to sinking, and the photovoltaic power generation panel cannot be damaged. And the solar panel is damaged due to extrusion. A rectangular annular supporting rib is fixedly connected to the middle of the inner side end face of the aluminum alloy frame base, a plurality of fixing columns are fixedly connected to the outer side of the middle of the inner lower end face of the aluminum alloy frame base in a rectangular array mode, and a plurality of limiting supporting columns are fixedly connected to the middle of the inner lower end face of the aluminum alloy frame base in a rectangular array mode. The upper end of the aluminum alloy frame base is connected with an aluminum alloy upper cover plate, and a solar photovoltaic panel is connected between the aluminum alloy frame base and the aluminum alloy upper cover plate.

A security fastener assembly is provided with a cap having a decorative bearing surface and a lower retention portion. A fastener body has: a threaded portion or securing the fastener assembly to a corresponding threaded feature on a vehicle; a stem opposite the threaded portion for receiving the cap, the stem having a security protrusion defining a distal end, an undercut formed adjacent the stem for cooperating with the lower retention portion of the cap, where the lower retention portion of the cap is secured in the undercut to maintain the cap on the fastener body; a keyed security drive feature formed between the threaded portion the stem portion where the fastener body is removable with the keyed security feature. Engaging the decorative bearing surface of the cap and rotating does not rotate the threaded portion of the fastener body.

A mechanical connection arrangement for panels comprises a first panel and a second panel. A surface of the first panel and a surface of the second panel are parallel and in contact in a locked position of the first and second panels. The connection arrangement includes at least one rod-shaped element at the surface of the first panel and at least one corresponding insertion recess at the surface of the second panel. The connection arrangement includes locking device which comprises locking pin at one end and a spring at another end. An envelope surface of a cone shaped end part of the locking pin comprises a pin locking surface which in the connected state is configured to cooperate with a recess locking surface of a panel recess.