315results about "Locking fasteners" patented technology

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.

The utility model discloses a kind of effectively prevent bolt from falling, it is related to bolt technical field, including: bolt body, the top of the bolt body is equipped with mounting hole, the inside of the mounting hole is equipped with elastic installation component, the top of the elastic installation component is equipped with positioning assembly, the positioning assembly includes fixed plate and locating plate, the fixed plate is installed in the top of elastic installation component, the locating plate is symmetrically installed in the bottom of both sides of fixed plate. In the utility model, the connecting spring in elastic installation component is stretched, downward tension will be generated, to drive locating plate to move downwards and exert pressure on the nut outside bolt body, so that the nut is stably located on the outside of bolt body for use, prevent the nut from loosening, leading to bolt body falling off.

The utility model relates to a kind of anti-back thread cable accessory and connector assembly, the cable accessory includes sleeve and the connecting nut of rotation being set at the outer periphery of the sleeve front end, the sleeve outer periphery is equipped with locking sleeve along radial direction, the front end of the locking sleeve and connecting nut are matched to realize circumferential rotation stop by concave-convex structure, rear end and sleeve are matched to realize circumferential rotation stop by concave-convex structure;The connection of the radial position of the locking sleeve makes locking sleeve keep in the state of circumferential rotation stop with connecting nut and sleeve.The utility model cable accessory is added locking sleeve along radial direction assembly fixed and disassembled between connecting nut and sleeve, the anti-back of connecting nut is realized by the circumferential rotation stop of locking sleeve and connecting nut and sleeve, not only simple structure, and assembly and disassembly operation are simple, can realize quick assembly and disassembly.

The utility model provides a kind of rust-proof leakage-preventing bolt fastener.The rust-proof leakage-preventing bolt fastener includes device main body, the device main body includes anti-loosening assembly, nut and bolt, the anti-loosening assembly includes the vertical rod set on bolt, the vertical rod is provided with pressing rod, the vertical rod bottom is equipped with fixed block, the pressing rod bottom is equipped with inverted taper block, the vertical rod is equipped with sliding slot, the vertical rod is fixedly installed with fixed plate in it, the fixed plate is provided with push rod, the one end of push rod is equipped with vertical plate, the second elastic member that can assist vertical plate to reset is set around on the push rod, the nut is equipped with vertical groove in it, the vertical groove is provided with limiting plate in it, the vertical groove is provided with shaft piece for connecting nut and limiting plate in it.The rust-proof leakage-preventing bolt fastener provided by the utility model has the effect of improving use safety.

A quickly assemblable and disassemblable target part connecting structure for BNCT and a method therefor are provided. The target part connecting structure at least includes a target section, a pipeline section and at least one locking device configured to connect the target section and the pipeline section, where the locking device at least includes a lock body, a lock rod and a driving mechanism. The rapid connection and quick disassembly between the target section and the pipeline section can be achieved by driving the lock rod to telescopically move along an axial direction through the driving mechanism, the operation is simple, the assembly and disassembly efficiency is high, and the convenience of replacing the target section and maintaining a vacuum system in a BNCT system is improved.

Human-Machine Interface This human-machine interface comprises: - a female part (58) having a cylindrical face (154) opposite a cylindrical face (170) of a male part (56) only between a first plane (164) and a second plane (166), - two cylindrical channels (156, 158) formed only in one of the male and female parts and a groove (174) cut into the cylindrical face of the other male and female parts. The groove (174) has a locking section (174) extending in a plane perpendicular to an insertion axis (10) such that a hardenable material filling both the groove and the channels forms a hardenable pin that locks the male part in translation inside the female part independently of its adhesion force on the male and female parts. The locking section is located away from the first and second planes (164, 166). Fig. 6

The utility model discloses a kind of U-shaped metal spring pieces of adjustable pre-tightening force, including U-shaped body, adjusting mechanism and anti-loosening assembly, the U-shaped body is made of two symmetrically arranged leg and the connecting part of connecting leg, the free end of the leg forms elastic contact end, the adjusting mechanism includes the screw rod of at least one the leg and the nut of the screw rod screw cooperation, the axis of the screw rod is perpendicular to the extension direction of the leg, and one end of the screw rod is abutted to the inner side surface of the connecting part. By screw rod and nut cooperation can flexibly adjust pre-tightening force, adapt to different working condition demand, solve the limitation of traditional spring piece pre-tightening force fixed;Adjusting knob with anti-slip line, cooperate nut limit plane, convenient operation and prevent skidding, improve adjustment efficiency and stability. The sliding cooperation of guide groove and guide boss ensures that leg deformation is stable, improves pre-tightening force adjustment accuracy.

The utility model provides a kind of anti-rotation self-locking thread fastener.The anti-rotation self-locking thread fastener includes: thread fastener body;Multiple anti-loose teeth, multiple the anti-loose teeth are opened in the outer surface of thread fastener body, the thread fastener body includes stud, first right thread, second right thread, anti-rotation thread and bolt, the anti-rotation thread is opened between first right thread and second right thread;Fastening nut, the fastening nut is threadedly connected in the outer surface of stud, the outer surface of stud is threadedly connected with locknut, the outer surface of locknut and fastening nut is opened with multiple limit openings, the outer surface of locknut and fastening nut is equipped with multiple anti-loose components.The anti-rotation self-locking thread fastener provided by the utility model, by the way of double-nut cooperation with right and left thread, prevents the nut from loosening, realizes bidirectional interlocking, improves the anti-loose effect and connection stability of thread fastener.

The utility model belongs to the equipment field of mining oil from well, especially, a kind of bolt anchoring device is provided.In the expansion sleeve is together with the rusted embedded part, to facilitate the replacement of expansion sleeve and other components, the utility model provides a kind of bolt anchoring device.Bolt anchoring device includes expansion bolt structure, expansion bolt structure includes expansion sleeve, expansion head, the core rod with threaded section and nut, expansion sleeve is equipped with the opening slit for facilitating expansion sleeve to expand, expansion sleeve outer wall surface is equipped with the insertion slot for being inserted between expansion sleeve and embedded part between insertion rod.In the replacement of bolt anchoring device, can first pry bar etc.insert rod be inserted between expansion sleeve and embedded part by insertion slot, then, expansion sleeve is inwards pressed using insertion rod, to make expansion sleeve deformation shrink, so that expansion sleeve and the rusted place of embedded part are separated, again, expansion sleeve, expansion head and other components are removed, and new bolt anchoring device can be replaced.

The utility model discloses a kind of cleat structure and outdoor products, it is related to the technical field of outdoor products accessories;The cleat structure includes installation part and nail body part, the first end of the installation part is used to be connected with the outdoor products;The nail body part is detachably connected with the second end of the installation part, wherein the surface of the nail body part is provided with diamond coating.The technical scheme provided by the utility model can improve the wear resistance of cleat structure, thereby guarantee its service life.

The application relates to the technical field of water-saving valves, in particular to an automatic water-saving safety valve and a water-saving method thereof, which comprises an automatic water-saving safety valve body, the bottom end and one side of the automatic water-saving safety valve body are fixed with connecting pipes, one end of the connecting pipe is fixed with a flange one, one end of the connecting pipe is provided with a conveying pipe, one end of the conveying pipe is fixed with a flange, the flange and the flange one are abutted together, a connecting plate is inserted between the flange one and the flange, two plug pipes with different sizes are detachably arranged on the two sides of the connecting plate, and the two plug pipes are respectively inserted into the connecting pipe and the conveying pipe; beneficial effects are that: by arranging the plug pipes with different sizes on the two sides of the connecting plate, the conveying pipe and the connecting pipe with various pipe diameters can be matched, the installation cost and complexity are reduced; the automatic anti-falling clamping of the flange splicing is realized by using a screw rod, a stop block and an elastic assembly, tool-free quick connection is achieved, the sealing property is ensured, water leakage is effectively avoided, and water saving is realized.

The utility model discloses a novel anti -loose screw subassembly, including inside and outside combination's screw and screw cap, the inside of screw cap is equipped with thread groove and elastic gasket installation chamber up and down, the thread groove is the trapezoidal thread groove or triangle thread groove with upper opening, the elastic gasket installation chamber is installed with elastic gasket, the screw includes head and tail, the head area of screw is greater than the tail area, the head periphery of screw is equipped with trapezoidal thread or triangle thread, the tail periphery of screw is equipped with triangle thread, with the thread pitch of head of screw is greater than the thread pitch of tail, the head thread of screw is connected in the thread groove of screw cap, and is in abutment with elastic gasket, the tail of screw is from the bottom of screw cap and is equipped with the out of the elastic gasket. The utility model discloses the anti -loose effect is good, and convenient to dismantle can be used repeatedly.

The application provides a multiple-redundancy anti-loosening uniform load nut system based on biaxial counter-pressing and vibration energy conversion and an assembling method, which comprises an anti-loosening locking module and a standard nut; the anti-loosening locking module is used for cooperating with a bolt; the standard nut is used for cooperating with the bolt; when the anti-loosening locking module and the standard nut cooperate to lock a workpiece, biaxial counter-pressing is formed between the standard nut and the anti-loosening locking module. The application establishes a static mechanical balance of biaxial counter-pressing, and utilizes the rotation direction characteristics of the positive and reverse threads to lock the nut and intelligently convert the energy component leading to loosening in random transverse vibration into a driving force of dynamic enhanced locking force, so that a positive feedback anti-loosening mechanism of the tighter the better is realized.

A wheel nut of a vehicle wheel assembly can comprise a base section, which includes a receiving opening located at a first end of the wheel nut and configured to receive a lug of a hub of the wheel assembly, and a secure wheel nut wrench interface located at a second end opposite the base section. The secure wheel nut wrench interface can comprise a central section centered along a vertical axis of the wheel nut and a plurality of pillars surrounding the central section. First outer edges of the plurality of pillars located at the second end can define at least the vertices of a first hexagonal pattern. The plurality of pillars can be spaced apart from the central section at the second end. The first outer edges of the plurality of pillars can be separated by gaps between each individual pillar of the plurality of pillars.

Tension control system for a fastener in an assembly and associated control method. The present invention relates to a tension control system (10) for a fastener (12) in an assembly (36), said fastener (12) comprising a rod (14) and an assembly member (16), the control system (10) comprising: - a first measuring device (44), the first measuring device (44) being adapted to measure a first parameter representative of the time response of the rod (14) to an ultrasonic excitation, - a second measuring device (46) adapted to measure a second parameter representative of the frequency response of the rod (14) to an ultrasonic excitation, and - a calculator (48), the calculator (48) being adapted to determine a value of the tension of the rod (14) as a function of at least said first parameter and said second parameter. Figure for the abstract: Figure 1

The utility model discloses an anti-fatigue fixed head, including fixed nail and reinforcing part, the reinforcing part includes the central tube, and the outer periphery of central tube is distributed with a plurality of and along the radial extension reinforcing wing board that links to each other, the fixed nail includes the nail body of inlaying into the central tube, and the one end of nail body has the sharp head, and the other end has the limit and makes the axial movement of the tail of bundle, the middle part of nail body has the elastic part in series, the nail body is in and is set up with the combination hole, and the combination hole includes the light hole and the threaded hole that extend along the axial direction, and the diameter of threaded hole is greater than the diameter of light hole, and the light hole extends to the elastic part, and the light hole is stuffed with the soft glue column, and the threaded hole is screwed and is connected with the jam screw of the end part and the soft glue column of resistance. This fixed head has the characteristics of anti-fatigue, and the service life is long, and the overall function is perfect, and the practicality is strong.

This utility model relates to the field of tower reinforcement technology and discloses a tower bolt anti-loosening fastener. The anti-loosening fastener includes a fastener body with a through-hole hexagonal bolt threaded inside. It also includes a pressing fastening mechanism, which includes a fixing sleeve fitted onto the top of the hexagonal bolt. Multiple sets of baffles are equidistantly installed on the outer side of the fixing sleeve, with the baffles radially arranged around the axis of the fixing sleeve. A pressing seat is also inserted inside the fastener body, with pressing grooves equidistantly formed inside the pressing seat corresponding to the baffles. A washer is placed at the bottom of the fastener body, aligned with the center, and the hexagonal bolt is inserted to connect to the tower equipment. The bolt is rotated to complete the initial installation. The pressing seat is then inserted, causing the cross baffle to abut against the pressing groove. A limiting block enters the limiting groove to limit the pressing seat, thereby restricting the rotation of the hexagonal bolt, preventing the tower bolt from loosening, and ensuring the stability of the tower structure.

A kind of corrosion-resistant low temperature pipe, including corrosion-resistant low temperature pipeline, fixed sleeve, movable sleeve, sealing ring, clasp, slide bar, positioning rod, the corrosion-resistant low temperature pipeline both ends have flange, flange has locating disc, flange is connected fixed sleeve, fixed sleeve has sliding slot, sliding slot is adapted to locating disc, locating disc connects sliding slot, sliding slot is adapted to movable sleeve, movable sleeve connects sliding slot, movable sleeve slides in sliding slot, movable sleeve has installation support, installation support connects locating disc, locating disc has threaded support, threaded support is connected installation support by thread outside, threaded support is connected fixed sleeve inside, fixed sleeve connects corrosion-resistant low temperature pipeline and forms sealing groove, sealing groove is adapted to sealing ring, sealing ring connects sealing groove, epoxy coating is arranged on the inner wall of corrosion-resistant low temperature pipeline.

The application discloses a solar cell panel support shaking early warning device, and relates to the technical field of solar panel supports, which comprises a base, a supporting cylinder fixedly connected to the upper surface of the base, a motor fixedly connected between the inner walls of the base, a storage rack slidingly connected between the inner walls of the supporting cylinder, a screw rod rotatably connected to the bottom of the inner walls of the supporting cylinder, the output end of the motor being fixedly connected to the bottom end of the screw rod, the screw rod being threadedly connected with the bottom end of the storage rack, and U-shaped pressing rods being slidingly connected to the outer surface of the supporting cylinder at equal intervals. The device can reduce the overall height of the device by sliding the storage rack into the supporting cylinder, thereby reducing the overall gravity center of the device, making the device easier to keep balanced, and reducing the area of the device subjected to wind, the force arm of the device, the torque of the wind force acting on the device, and the influence of the wind force on the device, so that the shaking amplitude of the device is reduced.

The application relates to the technical field of nuclear fusion, and discloses a fastening assembly of a tokamak device, which comprises a first connecting sleeve, a second connecting sleeve, a third connecting sleeve, a connecting bolt, a fixing block and a clamping block, the first connecting sleeve is arranged on the outer side of the second connecting sleeve, the second connecting sleeve is arranged on the outer circumferential side of the connecting bolt, and the connecting bolt is abutted against the second connecting sleeve in the rear direction; the connecting bolt, the clamping block and the fixing block are sequentially arranged from front to back, the third connecting sleeve is arranged on the outer circumferential side of the fixing block and the clamping block, the connecting bolt is screwed on the third connecting sleeve, the fixing block is fixedly connected to the third connecting sleeve and elastically connected to the clamping block, one of the clamping block and the connecting bolt is provided with a first abutting portion, the other is provided with a first abutting groove, and one of the first abutting portion and the first abutting groove is at least partially arranged on the circumference of the connecting bolt, so that the first abutting portion extends into the first abutting groove. In conclusion, the fastening assembly can effectively prevent the connecting bolt from loosening.

The utility model discloses a kind of anti-loosening hexagonal nuts, specifically related to nut machining technical field, including hexagonal nut body, the hexagonal nut body one end is equipped with bolt, the hexagonal nut body one end is provided with nut fastener, the hexagonal nut body one end is equipped with slot, the nut fastener one end is fixedly connected with inserting rod, the inserting rod is inserted in slot inside;The anti-loosening hexagonal nut is disassembled by the cooperation of the inserting rod slot of hexagonal nut body and nut fastener, whether the fastening pad block with the thread of the fastener can be selected according to requirement;Fastening pad block is engaged with bolt under the action of first spring, and the wedge-shaped slope of thread increases contact area and friction, disperses stress, improves anti-loosening effect, pulls handle outward, convenient to remove the above-mentioned relaxation structure, reach the effect of quick disassembly, more convenient for maintenance.

The present invention generally relates to framework jigs and, more particularly to a connecting system for interconnecting the framework. The invention includes a connector for interconnecting members of a jig assembly that includes a bolt and a washer mounted underneath the head of the bolt. The washer includes two opposed discs with each of the discs having a central opening, interior faces, exterior surfaces, and sides. The exterior surfaces include a frictional surface that provides frictional engagement between the bolt head and, for example, a plate. The facing surfaces have ramps that interlock to prevent unintended loosening of the bolt. The ramps include an inclined surface that terminates at a locking wall or at a surface generally perpendicular to the facing surface. The ramps extend radially outward from the center opening of the discs and are spaced around the facing surfaces. The bolt of the present invention has a specially designed head with at least twelve side surfaces and an increased shoulder height compared to standard bolts.