236 results about "Threaded fastener" patented technology

An electrical box assembly is disclosed including an electrical box having at least one sidewall, the sidewall including a channel formed therein to receive a threaded fastener. A mounting bracket is provided that is configured to be attached to a support member. The mounting bracket is operably engaged with the threaded fastener to facilitate an adjustment of the mounting bracket with respect to the electrical box, and consequently adjust the electrical box with respect to the support member.

A shelving assembly employing a hybrid connection system using both threaded and non-threaded fasteners, designed to provide shelving that is both relatively strong and durable, while also being capable of relatively rapid assembly and disassembly.

Disclosed are mounting bracket assemblies, mounting brackets, mountable light fixtures, and methods of installation thereof. One aspect of the disclosure concerns an assembly for mounting a pendant light comprising a mounting bracket, a hanger, and a strain relief. Another aspect of the disclosure concerns an assembly for mounting a ceiling flush mount light or sconce comprising a mounting bracket, a mountable enclosure, and a threaded fastener. Also disclosed are methods for mounting a pendant light, a ceiling flush mount light, and a sconce.

A wire rope clip to clip strands of wire rope together includes a one piece U bolt including a pair of threaded members; a saddle including a pair of holes that receive the pair of threaded members of the U bolt to compress the strands of wire rope between the U bolt and the saddle; a pair of fasteners threadably engageable with the threaded members of the U bolt, wherein the U bolt and the saddle include respective stop engagement members that engage when the pair of threaded fasteners threadably engage the threaded members of the U bolt to a predetermined point, creating even pressure by both the one piece U bolt and the saddle on the wire rope clip and proper torque to the wire rope strands.

A fixed connection structure of a three-section type connecting rod of a medium-speed diesel engine comprises a connecting rod body, a connecting rod upper cover and a connecting rod lower cover, the connecting rod body and the connecting rod upper cover are connected through a connecting rod short stud and a nut, and the connecting rod upper cover and the connecting rod lower cover are connected through a connecting rod long stud and a nut. Reliable cooperation of the connecting rod threaded fastener bearing fatigue and impact loads is improved by optimizing the thread tolerance, the thread root radius and the stud outer diameter requirements of the connecting rod upper cover and the connecting rod short stud. By means of precise thread tolerance fit and optimized tooth bottom arc radius design, fatigue strength and impact resistance of threaded connection are remarkably improved, the problem that traditional connecting rod threaded connection is prone to loosening and failure is solved, and the connecting rod is suitable for the high-load working condition of a high-power medium-speed diesel engine.

A mounting bracket for assembling a first component and a second component includes: a bracket body rotatable relative to the two components; the mounting bracket is mounted on the first component and includes a circular array of fastener through-holes through each fastener through-hole and into a threaded hole in the first component to fasten the mounting bracket to the first component. A locator pin protrudes from the central region of the bracket body, the locator pin being inserted into a pin aperture in the second component, thereby attaching the mounting bracket and the first component to the second component. A pair of fastener holes are positioned diametrically opposite one another across the locator pin and both are positioned at a common radial distance from the locator pin. Another pair of fastener holes are positioned diametrically opposite one another across the locator pin, and each fastener hole is positioned at a different distance from the locator pin.

The utility model discloses an efficient energy-saving heating ventilation air conditioner pipeline connecting structure, and relates to the technical field of heating ventilation air conditioner pipelines, the efficient energy-saving heating ventilation air conditioner pipeline connecting structure comprises a first pipeline and a second pipeline, one end of the first pipeline is fixedly connected with a first butt joint seat, and one side of the first butt joint seat is provided with an annular butt joint groove; a second butt-joint seat is fixedly connected to one end of the second pipeline, an annular butt-joint plate is arranged on one side of the second butt-joint seat, a sealing cushion layer is fixedly attached to the side, away from the second pipeline, of the butt-joint plate, the butt-joint plate is matched and clamped with the butt-joint groove, and the sealing cushion layer abuts against the deep position in the butt-joint groove; four clamping grooves are formed in the outer side of the circumference of the first butt joint seat at equal intervals, four mounting grooves are formed in the outer side of the circumference of the second butt joint seat at equal intervals, and the size of the mounting grooves is matched with that of the clamping grooves. When a pipeline is connected and locked, a threaded fastener and a matched mounting tool are not needed, so that time and labor are saved, and the efficiency is higher.

A watercraft oil-siphoning device is provided. The device is comprised of a collection attachment that mimics the form and function of an oil filter. The attachment interfaces with the oil filter mounting area using a threaded fastener for a secure connection. A second end of the attachment includes a fastener that accommodates various tubing connectors. Tubing attaches to this fastener through compatible connectors, allowing flexibility in connector types and incorporating a one-way valve to prevent backflow during oil removal. The tubing's other end connects to a cap using a fastener, with the cap sealingly engaging with a container to collect the siphoned oil. The container, made of materials like HDPE or stainless steel, includes a handle for easy handling. The method of use involves sequentially connecting the device components and activating the watercraft to siphon oil through the system for clean and efficient collection.

The utility model relates to the technical field of shells of electromechanical devices, in particular to a metering box. The metering box comprises a box body, an upper cover is arranged on the box body, a small door is assembled on the upper cover in a rotating mode, and a sealing ring used for achieving sealing between the small door and the upper cover after the small door is locked is arranged on the upper cover or the small door. An elastic piece is arranged between the small door and the upper cover, and the elastic piece is used for providing elastic force for the small door to rotate towards the direction of the upper cover so that the small door can be locked on the upper cover. The metering box provided by the utility model solves the problems that the locking and unlocking processes of the small door are time-consuming and labor-consuming and the labor intensity is high because the small door is locked through a threaded fastener in the prior art.

The utility model belongs to the field of expansion sleeves, and discloses an anti-loose expansion sleeve and an assembly thereof. The anti-loose expansion sleeve comprises an expansion sleeve body, outer teeth evenly distributed in the circumferential direction are arranged on the outer side of the expansion sleeve body, the expansion sleeve body is installed in the connecting end cover and detachably connected with the threaded fastener, and inner notches corresponding to the outer teeth are formed in an inner hole of the expansion sleeve body. Before the expansion sleeve is screwed into the threaded fastener, an inner hole of the expansion sleeve is an unthreaded hole, after the expansion sleeve is screwed into the threaded fastener, the inner hole of the expansion sleeve is extruded by the threaded fastener to generate self-tapping internal threads, the threaded fastener rotationally penetrates through the inner hole of the expansion sleeve, the inner hole is expanded towards the periphery by the threaded fastener, and the expansion sleeve and the threaded fastener are tightly combined to generate outward tension. The interference magnitude of the matched aperture of the expansion sleeve and the connecting end cover is further increased; the threaded fastener needs to be reversely rotated and separated from the expansion sleeve to overcome large friction force, the anti-loosening effect is far higher than that of traditional thread anti-loosening, and the anti-loosening performance is reliable.

A fastener includes a bolt including a head and a threaded shank including a bare section proximate the head, an end section having a wider end and having a plurality of alternate grooves and ridges, an intermediate section proximate the end section and having a spiral trough, and a threaded section between the intermediate section and the bare section; and a hollow member including a head member and a malleable shank having a plurality of holes. The end section is tapered toward the intermediate section at an angle of 3-degree to 8-degree.

The utility model relates to the technical field of building structures, and provides a modular steel structure and a fabricated building, the modular steel structure comprises a plurality of modular unit layers which are sequentially connected in the vertical direction, and each modular unit layer comprises a plurality of modular units; each module unit comprises a plurality of stand columns parallel in pairs, an upper cross beam connected between the upper ends of the adjacent stand columns and a lower cross beam connected between the lower ends of the adjacent stand columns. Upper connecting pieces are welded to the upper ends of the stand columns, lower connecting pieces are welded to the lower ends of the stand columns, and the two ends, in the length direction, of each upper cross beam are detachably connected with the upper connecting pieces welded to the corresponding stand columns through threaded fasteners. The two ends, in the length direction, of each lower cross beam are detachably connected with the lower connecting pieces welded to the corresponding stand columns through threaded fasteners. The modularized steel structure is good in stability and high in construction efficiency.

A wire rope clip to clip strands of wire rope together comprising a one piece bolt including a pair of threaded members; a saddle including a pair of holes that receive the pair of threaded members of the bolt to compress the strands of wire rope between the bolt and the saddle; a pair of fasteners threadably engageable with the threaded members of the bolt, wherein the bolt and the saddle include respective stop engagement members that engage when the pair of threaded fasteners threadably engage the threaded members of the bolt to a predetermined point, creating even pressure by both the one piece bolt and the saddle on the wire rope clip and proper torque to the wire rope strands.

The utility model is suitable for the field of steam turbines, and discloses a steam turbine shaft seal heat insulation device which comprises a shaft seal threaded fastener used for sealing a rotating shaft of a steam turbine threaded fastener and a heat insulation plate threaded fastener used for wrapping the shaft seal threaded fastener. The shaft seal threaded fastener comprises a plurality of sunken shaft seal cavity threaded fasteners, the shaft seal cavity threaded fasteners are arranged around the shaft seal threaded fastener, and the shaft seal cavity threaded fasteners are covered with the heat insulation plate threaded fasteners and attached to the side wall. The heat insulation plate threaded fastener and the shaft seal cavity threaded fastener jointly form a closed heat insulation space to reduce heat exchange between external air and the shaft seal cavity, so that cooling of the shaft seal cavity by steam is reduced, the overall temperature of the shaft seal is relatively uniform, stress is reduced, and the sealing performance of the shaft seal is improved.

The utility model provides a universal hanging assembly and a hanging piece, and the hanging assembly at least comprises a first hanging lug, a threaded fastener, an adapter and a screw. One end of the first hanging lug is provided with a first screw hole with an internal thread, the threaded fastener comprises a head part and a body part which are connected with each other, the top surface of the head part of the threaded fastener is provided with a driving part, the side surface of the head part of the threaded fastener is provided with an external thread matched with the internal thread of the first screw hole, and the body part of the threaded fastener is provided with an external thread used for being screwed into a wall body; the outer wall of the adapter is provided with an external thread matched with the internal thread of the first screw hole, and the inner wall of the adapter is provided with an internal thread matched with the screw. According to the technical scheme, the problem that an existing hanging assembly is low in universality is solved, a user can freely select a punching mode to install the hanging piece or a punching-free mode to install the hanging piece, and an installation hole cannot be exposed.

The utility model relates to ship power equipment technical field especially relates to all terrain ship propeller mounting structure, including propeller and propulsion shaft, the hub of propeller is uniformly distributed with a plurality of mounting holes around, each mounting hole is equipped with the threaded fastener with the anti-loosening function in all, the end of propulsion shaft is fixed with the flange in the axial direction, the mounting hole on the hub and the connecting hole on the flange one -to -one correspondence and through threaded fastener detachable connection. This all terrain ship propeller mounting structure completes the installation of propeller on the propulsion shaft through a circle threaded fastener with the anti-loosening function, only needs to take the threaded fastener in order when dismounting, compared with traditional all terrain ship propeller mounting structure can realize propeller quick assembly and disassembly, is convenient for maintenance and reliable connection.

A gas spring mounting structure and connection structure, and a device having an opening and closing mechanism are disclosed. The gas spring mounting structure is used to connect the gas spring to the opening and closing mechanism. The first end of the gas spring is used to connect to the housing of the opening and closing mechanism. The gas spring mounting structure includes: a first support member with a first end face and a first hole in the first end face; a second support member with a second end face and a second hole corresponding to the first hole in the second end face; and a first threaded fastener, which is embedded in the second support member and the first support member through the second hole and the first hole to realize the disassembly and locking of the first support member and the second support member. The first threaded fastener is used to reduce the gap between the second support member and the first support member during the locking process, thereby gradually pre-tightening the gas spring. Furthermore, due to the existence of the gas spring mounting structure, no additional gas spring mounting fixture is required, avoiding the influence of the superposition of the tolerances of the fixture and the gas spring on the installation accuracy.

This invention provides an explosion-proof cleaning controller with a sealing structure, including a control cabinet, a valve body, a sealing ring, and fasteners. The control cabinet has a mounting hole on its wall. The valve body has a threaded area and passes through the mounting hole. Sealant is applied to the threaded area, located between the threaded area and the mounting hole. The sealing ring is installed at the connection between the valve body and the control cabinet, located on the upper surface of the mounting hole. The fasteners are installed on the valve body, pressing the sealing ring from top to bottom against the wall surface of the mounting hole. This invention improves the overall sealing of the structure by adding sealant to the threads, adding an O-ring between the light hole and the filter pressure reducing valve in the control cabinet, and installing the O-ring inside the control cabinet using threaded fasteners.

A trigger assembly for a 1911 format pistol comprising of a trigger bow having a forward portion defining a first threaded portion, a threaded fastener having a second threaded portion mateable with the first threaded portion, and a trigger shoe configured to operably engage the threaded fastener to secure the trigger shoe to the trigger bow.

The invention relates to the field of decorative lamps, in particular to a modern novel energy-saving environment-friendly creative down lamp decoration which comprises a base internally provided with a position adjuster and used for bearing a lamp, an ornament plate which is in threaded connection with a nut through a hanging rod with a bolt and hung below the lamp and the like. Wherein the position adjuster mainly comprises three motors, and a driving block, a driven block, a guide rod, a transmission shaft and the like which are correspondingly matched with the motors; compared with the prior art, the lamp has the advantages that firstly, the base with the position adjuster is provided for the lamp, through the effect of the position adjuster of a special structure, the orientation of the lamp installed below the base can be promoted, all-directional and multi-layer selection and adjustment can be achieved, and a decorative plate with a light reflecting effect is hung on the base below the lamp; and a relatively simple threaded fastener is used for connecting and mounting, so that the effect of quick replacement can be achieved.

The utility model belongs to the technical field of filtering devices, and particularly relates to a filter paper mounting structure of a filtering, washing and drying machine, which comprises a base plate, a perforated plate fixed above the base plate, a medium collecting cavity formed between the perforated plate and the base plate, a drain pipe arranged on the base plate and communicated with the medium collecting cavity, and a filtering medium fixed above the perforated plate. The filtering medium is filter paper, the periphery of the chassis is fixedly connected with a lower flange, the upper end of the lower flange is detachably connected with an upper flange through a threaded fastener, the circumference of the filtering medium is limited between the upper flange and the lower flange, and a first sealing ring is arranged between the upper end face of the filtering medium and the upper flange; and a second sealing ring is arranged on the periphery of the filtering medium between the upper flange and the lower flange. The utility model provides a novel filter paper mounting structure of a filtering, washing and drying machine, which adopts filter paper as a filter medium, is convenient and quick to replace filter media with different precisions, reduces the production cost, and effectively prevents medium leakage through a multi-seal design.

A universal drum accessory mount is disclosed. The universal drum accessory mount is comprised of a slotted bracket and two rotational clips. The rotational clips are comprised of a twist fastener and a lower clip base. The twist fasteners are attached to the lower clip bases with a threaded fasteners, the twist fasteners being on one side of the slotted bracket and the lower clip bases being on the other side of the slotted bracket. The two rotational clips are intended to capture the tension rod of a drum. The two rotational clips as positioned at a first length apart from one another on the slotted bracket. The first length corresponds with the distance between tension rods on the drum.

The utility model discloses a hydrophilic platform which comprises a foundation plate, a connecting plate, a fixing plate and a threaded fastener, the foundation plate is provided with an installation notch, installation grooves are formed in the periphery of the foundation plate and the installation notch, a plurality of first installation holes are distributed in the foundation plate, and the first installation holes penetrate through the foundation plate in the vertical direction and are communicated with the installation grooves. The number of the base plates is at least two, the two base plates abut against each other through the peripheries provided with the mounting notches, so that the two mounting notches define a mounting space, and the two mounting grooves communicate with each other to form a fixed space; the shape of the connecting plate is matched with that of the mounting space, and mounting convex strips are annularly arranged on the periphery of the connecting plate and clamped in the mounting grooves; the fixing plate is located in the fixing space and provided with second mounting holes corresponding to the first mounting holes of the base plates on the two sides. The threaded fasteners penetrate through the first mounting holes and the second mounting holes so as to fix the fixing plate and the two foundation plates. According to the technical scheme, the construction speed of the hydrophilic platform can be increased.

A method of installation and kits for replacing a lock ring securing a fuel pump to a gas tank and a kit for replacing a fuel supply system of an automotive vehicle. The kit for replacing the lock ring including a circular body having a plurality through bores and a plurality of self-tapping fasteners. The kit for replacement of a fuel supply line including a fuel filter having circular beads on the inlet and outlet. The kit further including a pair of quick disconnect fittings for engaging the beads of the fuel filter.

The application discloses a control method of a threaded fastener tightening device, the tightening device comprising a tightening head, a motor, a torque sensor and a speed reducer, the motor driving the tightening head to rotate and tighten the threaded fastener; the method comprising: monitoring the number of rotations of the tightening head after the tightening head starts to tighten the threaded fastener into a fastened object, and the tightening head uniformly tightening the threaded fastener into the fastened object at an initial speed; when the number of rotations of the tightening head reaches a preset number of rotations, controlling the speed reducer to reduce the rotating speed of the tightening head to a first speed, and triggering the torque sensor to monitor the output torque of the motor; when the output torque of the motor reaches a first torque, controlling the speed reducer to reduce the rotating speed of the tightening head from the first speed to a second speed; when the output torque of the motor reaches a second torque, controlling the motor to stop; the second torque is greater than the first torque. The application can improve the efficiency of tightening on the basis of ensuring the accuracy of tightening.

The pumping unit speed reducer comprises a shell, a sound insulation groove A and a sound insulation groove B. One side of the shell is provided with a shaft seat, the shaft seat is connected with an output shaft in a rotating mode, and the sealing piece is arranged between the shaft seat and the output shaft. The sealing piece comprises a sealing installation groove, a sealing cover, an inner groove, a sealing ring assembly, a fixing disc, a threaded fastener and a threaded hole. The sealing installation groove is formed in a port of the shaft seat. By means of the designed sealing piece, the interval between the output shaft and the shaft seat can be sealed and protected, after the sealing piece is used for a long time, a sealing ring assembly in the sealing piece needs to be replaced, at the moment, a threaded fastener can be screwed off, then a sealing cover is detached from the interior of a sealing installation groove, and the sealing ring assembly can be replaced. And then the sealing ring assembly can be easily taken out from the interior of the inner groove and replaced, the whole operation is simple and rapid, external auxiliary tools are not needed, and convenience is provided for personnel.

A beam clamp (1) for mounting an object onto a flange of a structural beam comprises an assembly of a pair of side plates (2) and a plurality of spacers (3A, 3B), and externally threaded fasteners (4). The spacers (3A, 3B) are located between the side plates (2), thereby separating the side plates (2) and securing them to the spacers (3A, 3B) respectively to interconnect the side plates (2). Each of the pair of side plates (2) comprises a body (21) and a first leg (22) projecting from the body (21) and a second leg (23) spaced apart from the first leg (22), wherein the body (21), the first leg (22), and the second leg (23) of the side plate (2) define the outline of a receiving space, which is open for insertion into the flange of the structural beam. At least a first spacer (3B) of a plurality of spacers (3A, 3B) is arranged between the bodies (21) of the pair of side plates (2), and at least a second spacer (3A) of a plurality of spacers (3A, 3B) is arranged between the second legs (23). The first spacer (3B) has a hole, and the second spacer (3A) has a threaded hole adapted to mate with an external threaded fastener (4).

This utility model relates to a fixing fixture for a crash beam mounting plate in the field of fixing fixture technology. It includes a connecting clamping mechanism. A first fixing positioning block is symmetrically arranged on one side of the connecting clamping mechanism. A movable mounting arm is movably connected to the inner side of the first fixing positioning block. Through the mutual cooperation between the connecting clamping mechanism, the first fixing positioning block, the threaded fastener, the movable mounting arm, and the mounting plate clamping mechanism, the mounting plate clamping mechanism can clamp and fix the mounting plate body. Simultaneously, the movable mounting arm can fit against the connecting clamping mechanism, and the end of the mounting plate body fits against the connecting clamping mechanism, thus clamping and fixing the connecting clamping mechanism to the crash beam body. This allows for the connection and positioning of the crash beam body and the mounting plate body, facilitating welding and fixing between the crash beam body and the mounting plate body, and making operation convenient.

The invention relates to a prediction method and device for residual clamping force of a threaded fastener, computer equipment, a storage medium and a program product. The method comprises the following steps: acquiring acoustic state characteristics of a threaded fastener of a vehicle and a fastener visual image, and acquiring vehicle operation characteristics of the vehicle; respectively converting the acoustic state features, the fastener visual image and the vehicle operation features into corresponding graphic representation areas; combining the graphic representation areas to obtain a health state feature image of the threaded fastener; and inputting the health state feature image into a pre-trained fastener residual clamping force identification model to obtain a residual clamping force prediction value of the threaded fastener. By adopting the method, the prediction accuracy of the residual clamping force of the threaded fastener can be improved.