293 results about "Nuts and bolts" patented technology

A water inlet protection system is provided. The system may an adjustable frame defining an interior cavity, the adjustable frame including a plurality of rigid base members, a plurality of slidable corner members, a plurality of nut-and-bolt fasteners, and one or more tabs extending from one or more of the corner members. Each of the slidable corner members includes one or more slots, and each of the nut-and-bolt fasteners includes a bolt that extends through one of the one or more slots and one of the rigid base members. When the respective bolt is loosened, the respective slidable corner member is slidable along the respective slot atop the respective rigid base member, thereby altering a boundary of the interior cavity. When the respective bolt is tightened, the respective slidable corner member is fixed in place atop the respective rigid base member, thereby fixing the boundary of the interior cavity.

The invention belongs to the technical field of part assembly, and particularly relates to a bolt tightening device and method for a high-altitude large-diameter inhaul cable connecting node. Due to the fact that the two sets of parts, except the first motor, the rotating shaft, the first bevel gear, the guide groove, the third bevel gear and the guide rod, in the two-way tightening mechanism are symmetrically arranged about the central axis of the rotating shaft, the other set of second rotating wheels rotate anticlockwise when the second rotating wheels rotate; nuts can be installed at the two ends of the two-way screw at the same time, so that the time needed for screwing the two-way screw and the nuts can be shortened, the working efficiency is improved, the labor cost is reduced, meanwhile, multiple sets of clamping rods can be driven to synchronously move through external expansion and aggregation movement of multiple sets of movable racks, and the clamping efficiency is improved. Therefore, the device can adapt to installation work of nuts and bolts of different sizes, and the adaptability of the device to the nuts and the bolts of different sizes can be improved.

The utility model discloses a novel anti-loosening bolt, which belongs to the technical field of bolts and comprises a base and a nut, the inner wall of the base is in threaded connection with a bolt body, and the bottom of the bolt body is fixedly connected with a fixing cone. The nut is screwed into the surface of the bolt body from bottom to top from the bottom of the bolt body and located at the bottom of the base and stops moving until the positions of the second through hole and the first through hole are located on the same horizontal plane, meanwhile, in the rotating process, the spring gasket is extruded through the nut, and when the spring gasket is flattened, elastic force can be generated, so that the spring gasket is tightly pressed. And after connection is completed, a plug pin is inserted into the second through hole and the first through hole, physical limiting is conducted on the nut and the bolt body through the plug pin, the stability when the nut and the bolt body are connected is improved again, and the nut and the bolt body can be prevented from being loosened. Therefore, the anti-loosening purpose is achieved.

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 relates to the technical field of cold headers, and provides a cold header for nut and bolt production, which comprises a machine body, the top end of the machine body is fixedly connected with a lower clamping plate, the top end of the lower clamping plate is clamped with an upper clamping plate, one side of the lower clamping plate and one side of the upper clamping plate are fixedly connected with connecting pieces, and the two connecting pieces are rotatably connected. According to the stamping die, the upper clamping plate can be overturned through the connecting pieces on the outer sides of the lower clamping plate and the upper clamping plate, so that the stamping die clamped in the lower clamping plate and the upper clamping plate can be conveniently replaced, the operation is simple and convenient, and meanwhile, the stamping die can be conveniently replaced through the pressure generated by a first spring; and the extrusion plate can abut against the stamping die in the clamping groove, the situation that in the machining process, the stamping die and the machine body are loosened is prevented, the situation that the stamping die is disengaged from the interior of the machine body, the machining effect of bolts and nuts is affected is avoided, and the output of defective products and scraped products is reduced.

The bolt and nut machining equipment comprises a main body assembly and is characterized in that the main body assembly comprises a supporting seat, a vibrating disc, a blanking pipe, a feeding disc, a nut and a bolt, the vibrating disc is arranged at the top of the supporting seat, the blanking pipe is fixed to one side of the supporting seat, the feeding disc is located at the bottom of the blanking pipe, a feeding groove is formed in the surface of the feeding disc, and the nut is arranged in the feeding groove. The nut is located in the feeding groove. The adjusting assembly is arranged on the supporting seat and comprises a feeding part, a driving part, an adjusting part and a reset part, the feeding part is arranged on the supporting seat, the driving part is arranged in the supporting seat, the adjusting part is arranged on one side of the driving part, and the reset part is located on one side of the adjusting part. The nut assembling device has the beneficial effects that by arranging the adjusting assembly, the number of nuts assembled at a time can be adjusted, a user can assemble one or two nuts at a time according to needs, and repeated assembling operation is not needed.

The utility model discloses a mechanical part fastening and connecting structure, which belongs to the technical field of part connecting structures, and comprises a part I, a part II, a bolt and a nut, the bottom end of the bolt penetrates through the part I and the part II and is in threaded connection with the nut, the top of the bolt is provided with a circular groove, and the circular groove is in threaded connection with the part II. Limiting grooves are formed in the two side walls of the bottom of the circular groove, T-shaped pressing columns are arranged in the limiting grooves, the ends, away from each other, of the two T-shaped pressing columns extend out of the bolt, the movable block can be used for driving the extrusion block to be screwed into the circular groove and extrude the inclined face of the inclined block, the T-shaped pressing columns move outwards, and then the bolt can be limited; and meanwhile, a plurality of fastening screws are additionally arranged on the nut, so that the nut can be limited after two parts are fastened by the nut and the bolt, the phenomenon of loosening caused by vibration is avoided, and the structural stability of the bolt is improved.

The invention provides a rocket cabin section capable of improving connection reliability, and relates to the technical field of rockets, the rocket cabin section comprises a first cabin section, and the first cabin section is provided with a threaded hole; the second bin section is connected with the first bin section, and a communicating hole aligned with the threaded hole is formed in the second bin section; the bolt is in threaded fit with the threaded hole, and at least part of the bolt penetrates through the communicating hole and extends out of the communicating hole; the nut is in threaded fit with the bolt, the nut is located on the portion, extending out of the communicating hole, of the bolt, and the first bin section and the second bin section are connected together through the nut and the bolt; and the self-locking structure is used for locking the bolt and the nut at the same time. Compared with the prior art, the rocket cabin section has the advantages that tight connection of the first cabin section and the second cabin section is guaranteed, the stability and safety of a rocket structure are guaranteed, and the rocket cabin section can still keep good performance in a complex working environment.

This utility model belongs to the field of pre-embedded bolt anti-loosening technology, and discloses a pre-embedded bolt anti-loosening structure for metal products. It includes a nut rotatably mounted on the lower outer side of the bolt body, grooves on both sides of the nut, a cotter pin fitted inside the grooves and inserted into the bolt body, a locking washer fixed to the upper surface of the nut, and a shape memory alloy spring washer fixed to the lower surface of the nut. Through the cotter pin, shape memory alloy spring washer, and locking washer, the cotter pin prevents relative rotation of the bolt, nut, and other connecting parts under vibration or external force, ensuring a stable and safe connection. The shape memory alloy spring washer can increase the pressure at the connection point, reduce contact resistance, and suppress heat generation by deforming under temperature changes and other environmental conditions. It can also absorb some energy to reduce vibration amplitude and ensure connection stability. The locking washer restricts the rotation of the nut and bolt.

The utility model discloses a kind of grab teeth sleeve, including sleeve body, the top of sleeve body is provided with circular groove, the bottom of sleeve body is provided with hexagonal hole, the inside of circular groove is provided with ring groove, the inside of ring groove is above inherent fixed gear ring, the inside of fixed gear ring is engaged with and connected with mobile gear ring, the inside of mobile gear ring is fixed with hexagonal ring.Nut is placed in the inside of hexagonal hole, bolt passes through sleeve body and grab tooth and nut is screwed, using hexagonal wrench, insert in the outside of bolt, rotate hexagonal wrench to make bolt and nut tighten, remove hexagonal wrench, using tool is inserted into the inside of rotating hole, rotate tool, make mobile gear ring and fixed gear ring correspond, hexagonal ring and bolt correspond, if bolt and hexagonal ring do not correspond, the angle of bolt is fine-tuned, so that it corresponds, such that fixed magnetic ring and mobile magnetic ring repel each other, hexagonal ring and mobile gear ring move up, mobile gear ring and fixed gear ring engage connection, so it can limit the rotation of nut and bolt.

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.

The utility model relates to the technical field of nuts and bolts, in particular to a detachable anti-theft nut and bolt for an automobile. The technical problems that a common nut is convenient to disassemble by using a conventional tool, even though a tire is convenient to replace, an opportunity is provided for wheel theft, great potential safety hazards and travel inconvenience are brought to a vehicle owner, and although the original intention of a standard design is convenient to maintain, an easily obtained disassembling tool becomes one of reasons for thieves to easily use are solved. According to the technical scheme, the detachable anti-theft nut and bolt for the automobile comprises a screw rod. According to the anti-theft nut, the anti-theft assembly is arranged, a specific tool is needed for fixing and disassembling the screw rod, the method is low in popularization, and the problem that due to popularization of a standard nut and universal availability of a matched tool, the threshold of illegal disassembly is lowered unintentionally, and an opportunity is provided for lawbreakers is solved.

The invention provides a motor, and relates to the technical field of motor control. The motor structure is designed through a multi-layer reconfigurable framework, the motor rotor layers and the motor stator layers are arranged in an alternating structure, and the rotating gaps are reserved between the layers, so that the number of side stacking layers and the arrangement sequence of the alternating structure can be selected according to requirements; only the uppermost layer and the lowermost layer of the alternating structure need to be arranged as the motor rotor layer or the motor stator layer at the same time; on the motor rotating shaft layer, the motor rotating shaft head and the motor rotating shaft tail are fixedly connected through a nut bolt, a male and female spline or a plug pin slot, so that axial fixing and transverse limiting can be realized; the motor annular shell is arranged between the adjacent motor stator layers, and the motor rotor layer between the adjacent motor stator layers can be sealed in the sealed space, so that layer-by-layer superposition adaptation is realized; and finally, the motor top cover and the motor bottom cover are limited and fixed, so that adaptive packaging of the whole motor structure can be realized.

The application relates to a fixing structure of a small unmanned aerial vehicle nest platform threading pipe and a wire protection frame, and relates to the field of small unmanned aerial vehicle nest platform threading pipe fixing devices. The fixing structure of the small unmanned aerial vehicle nest platform threading pipe comprises at least two groups of fixing components used cooperatively, each group of fixing components comprises two fixing clamps, a plurality of nuts and bolts, a fixing seat and a second clamp. Through the special mechanical structure among the fixing clamps, the nuts, the bolts, the fixing seat and the second clamp, two threading pipes can be stably fixed on one side of a platform stand column through the two fixing clamps at the same time. Compared with the traditional fixing by a fixing belt, the fixing effect of the two threading pipes is better and more reliable through the fixing mode of the bolt fastening. Moreover, as the fixing clamps have preset spaces for the threading pipes to enter, the installation operation of the threading pipes becomes simpler, and the problem of poor fixing effect of the traditional threading pipe fixing equipment when fixing the threading pipes is solved.

The problem that when an existing angle steel tower is assembled, the bolt connecting device is unstable in bolt and nut connecting effect is solved. The automatic nut and bolt screwing device comprises a bolt clamping structure and a nut clamping structure which correspond to each other. The bolt clamping structure is in sliding fit with the nut clamping structure; the nut clamping structure comprises a clamping jaw locking mechanism, a nut sleeve mechanism and a base. The nut sleeve mechanism comprises a sleeve seat, a rotary drum and a motor; the motor is in transmission connection with a rotary drum rotationally arranged on the sleeve seat; the sleeve base and the base are arranged on a sliding rail fixed to the clamping jaw locking mechanism in a sliding mode, a first electric cylinder is arranged between the sleeve base and the clamping jaw locking mechanism, and a second electric cylinder is arranged between the base and the clamping jaw locking mechanism. The clamping jaw locking mechanism comprises a limiting jaw facing the opening part of the rotary drum; after the limiting claws are folded, a through hole through which a bolt penetrates is formed in the center of each limiting claw; and the opposite relation and stable connection of the bolt and the nut are realized.

1. The name of this design product: Electric wrench (12V). 2. Purpose of this product: This product is an electric wrench, mainly used for tightening and removing nuts and bolts. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. Designate Design 1 as the base design.

The self-adaptive workpiece positioning intelligent clamp comprises an adjustable mechanism, a fixed wrench opening is formed in the bottom of the adjustable mechanism, a convenient assembling mechanism is arranged at the top of the adjustable mechanism, a supporting rod is fixedly installed at the top of a bottom plate, and a limiting sliding groove is formed in the right side of the supporting rod; a telescopic rod is slidably connected to the right side of the supporting rod, and a connecting plate is fixedly mounted at the top of the telescopic rod. According to the self-adaptive workpiece positioning intelligent clamp based on visual identification, a plug board of the convenient assembling mechanism is in plug-in fit with a plug seat, a control piece is rotated to drive a threaded rod to be screwed into a threaded hole in the bottom of the plug board, a ratchet wrench opening can be rapidly disassembled, assembled and replaced, nuts and bolts of different specifications are adapted, and replacement of abrasion faults is facilitated; a threaded shaft of the adjustable mechanism rotates to drive a telescopic rod to ascend and descend along a limiting sliding groove to adjust the length, a rotating shaft drives a clamping piece and a fixing plate to rotate to adjust the angle, and adaptability and working efficiency are improved.

This utility model discloses a press-fit blind hole nut structure, belonging to the field of press-fit nut technology. It includes a first retainer and a second retainer, a nut component, and a fixing bolt. The fixing bolt is installed at the inner center of the nut component. The nut component includes a toothed sleeve and a nut sleeve. The toothed sleeve is fixedly installed on the upper outer surface of the nut sleeve. A toothed portion for riveting metal plates is provided at the center of the upper outer surface of the toothed sleeve. The toothed portion has an overall toothed ring structure. The fixing bolt and the toothed sleeve, as well as the fixing bolt and the nut sleeve, are all connected by threads. Several sets of teeth are distributed in a ring on the outer surface of the toothed portion, with one end of each tooth having a pointed shape. This provides a press-fit rotation limiting structure, preventing synchronous rotation of the nut during subsequent bolt installation after it is connected to the sheet metal material. This allows the nut and bolt to be tightened to the maximum extent, improving their performance.

The utility model belongs to the technical field of steel members, and particularly relates to a multidirectional force transmission steel member node strengthening structure which comprises a first steel member body, a connecting frame is arranged at the top of the first steel member body, first connecting holes are formed in the periphery of the bottom of the connecting frame, and third steel member bodies are connected to the two ends of the inner wall of the connecting frame in a clamped mode. And the bottom of the third steel member body is in threaded connection with a bolt. Third steel member bodies are placed on the two sides of the inner wall of the connecting frame, the connecting frame and the third steel member bodies are connected and installed through second nuts and bolts, operation is easy, installation convenience is improved, and the multidirectionality of equipment connection is improved; and the first steel member body and the connecting plate are connected through the second screw and the third nut, the lower portion of the connecting plate is supported through the supporting plate, the connecting stability of the first steel member body and the second steel member body is improved, and the strength of the steel structure joint is improved.

The invention discloses a passenger car panoramic sunroof split type frame assembly welding process. A robot is used for transferring a middle cross beam, a left side beam, a right side beam, a front cross beam and a rear cross beam which are fed to the position of a gluing gun for gluing; transferring the glued middle cross beam, the left and right boundary beams, the front cross beam and the rear cross beam to welding positions to perform spot welding on joints; positioning pin welding is conducted on the middle cross beam, the left side beam, the right side beam, the front cross beam and the rear cross beam which are subjected to spot welding, repair welding is conducted on the middle cross beam, the front cross beam and the rear cross beam, and bolts are welded to set positions of the middle cross beam, the left side beam, the right side beam, the front cross beam and the rear cross beam; nuts and bolts are welded at set positions on the upper surfaces and the lower surfaces of the middle cross beam, the left and right side beams, the front cross beam and the rear cross beam; and then the mounted sunshade curtain front mounting bracket and the mounted sunshade curtain rear mounting bracket are welded to form an assembled split type frame assembly. The large-scale production of the split type frame assembly of the panoramic sunroof can be realized, and a panoramic sunroof product with low cost and high quality can be provided for customers.

The utility model discloses an automobile accelerator steel wire clamping nut assembly, and belongs to the field of automobile fastener design. The edge of the upper end of the first nut forms a section of upward convex edge; and the bolt is in threaded connection with the first nut from top to bottom. The device has the beneficial effects that the first nut is in threaded connection with the bolt and is matched with the bolt to press the steel wire between the bolt and the convex edge of the first nut, part of the steel wire surrounds the bolt to be bent, and therefore when the steel wire is pulled, the bolt can form rudder reacting force similar to pulling force on the bent part of the steel wire; and therefore, the steel wire is difficult to slide out of the fastening assembly.

The utility model discloses an anti-loosing fixing structure of a molybdenum lifting grab bolt, and relates to the technical field of mechanical connection and fastening, the anti-loosing fixing structure comprises a bolt, the outer wall of the top of the bolt is fixedly connected with a tooth-shaped gasket, the outer wall of the bolt is provided with an anti-loosing mechanism, and the anti-loosing mechanism comprises a gasket. At the moment, the fixing shaft can drive the sliding plate to continuously slide in a sliding groove formed in the second gasket, when the sliding plate slides to a certain distance, the second gasket makes contact with the spring and continuously extrudes the spring, when the spring is extruded, elastic deformation is generated, and continuous elastic pre-tightening force is applied between the nut and the connected piece. The pre-tightening force enables the friction force between the nut and the bolt to be increased, the nut is prevented from rotating under the action of vibration or other external force, the anti-loosening effect is achieved, it is guaranteed that the molybdenum lifting claw and other components are connected in a fastened state all the time, and therefore normal operation of the whole device is guaranteed.

The utility model belongs to the technical field of fastening equipment, and particularly relates to an anti-loose bolt assembly of a fan tower, which comprises a bolt, a nut, a lower sleeve, a friction structure and an upper sleeve which are matched for use, the bolt penetrates from the lower end of a bolt hole in the fan tower, the nut is screwed and fixed from the upper end, the lower sleeve is sleeved on the nut, and the upper sleeve is buckled from the upper part of the bolt tail. The lower sleeve and the upper sleeve are installed respectively, so that the nut and the bolt tail at different screwing positions can be matched, operation is easy, installation is convenient, relative rotation between the lower sleeve and the upper sleeve is limited through the friction structure, and good fastening and loosening effects are achieved. A flange protruding out of the outer edge is arranged at the upper end of the friction block, the upper sleeve comprises an annular groove and a first chamfer, the process that the upper sleeve is inserted into the lower sleeve is smoother through cooperation of the flange, the first chamfer and the annular groove, and the relative position of the upper sleeve and the lower sleeve can be limited.

The invention discloses a combined electric meter cabinet, and relates to the field of electric meter cabinet application, the combined electric meter cabinet comprises an electric meter box, two groups of vertical rods are symmetrically arranged in the electric meter box, the side surfaces of the vertical rods are provided with first limiting grooves and racks, the outer parts of the two groups of vertical rods are movably provided with adjusting mechanisms, and a cross rod is movably installed between the two groups of adjusting mechanisms; the adjusting mechanism is composed of a clamping assembly and an adjusting assembly. The adjusting mechanisms are arranged between the vertical rods and the transverse rods for installation, so that the multiple sets of transverse rods are located on the side faces of the vertical rods, the height can be adjusted, and compared with the installation mode that the transverse rods and the vertical rods are fixed through nuts and bolts, the transverse rods can conduct secondary height calibration, and the installation efficiency is improved. Therefore, a worker can carry out secondary calibration and typesetting according to the sizes of the electrical components, so that the electrical components are arranged in the electric meter box more orderly and reasonably.

This utility model relates to the field of construction and discloses an adjustable connecting corner bracket construction tool, including a corner bracket first component, a corner bracket second component, and a connecting bolt assembly. The corner bracket second component has a U-shaped groove structure, and its main board has bolt adjustment holes. The corner bracket first component can be embedded into the U-shaped groove of the corner bracket second component, and its main board has corresponding bolt adjustment holes. The connecting bolt assembly includes a nut and a bolt, and the bolt passes through the bolt adjustment holes of the corner bracket first component and the corner bracket second component in sequence, and is fastened together by the nut and bolt. In this utility model, by changing the relative position of the bolt and the bolt adjustment hole, the corner bracket second component can achieve short-distance extension and retraction adjustment, while the corner bracket first component can both extend and retract short distances and rotate left and right. The combination of the two components changes the relative position relationship, allowing the installed stone to form a multi-faceted irregular shape effect, meeting the adjustment needs of irregular stone installation and improving construction flexibility.

1. The name of the design product: screwdriver (CS20). 2. The use of the design product: used for loosening and tightening various types and specifications of screws, nuts and bolts. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The clamp anchorage with locking nut and bolt covers is similar to a conventional clamp anchorage, but with additional first and second locking plates. A plurality of first and second covers each have a head portion and a shaft. Each of the shafts has a cavity defined therein. The shafts of the plurality of first covers are respectively received within a plurality of first openings in the first locking plate such that the cavity formed in each of the shafts of the plurality of first covers receives a respective bolt head. The shafts of the plurality of second covers are respectively received within a plurality of second openings in the second locking plate such that the cavity formed in each of the shafts of the plurality of second covers receives a respective nut. The first and second covers may be made of a non-corrosive material.

The utility model relates to the technical field of electric power tower poles, and discloses an electric power tower pole foundation device which comprises a fixing ring, a hollow column is slidably connected into the fixing ring, a bearing is fixedly connected to the top of the hollow column, a clamping block is fixedly connected to the top of the hollow column, and a first fixing column is arranged on the side wall of the clamping block. A ladder stand is fixedly connected to the outer wall of the first fixing column, a threaded rod is in threaded connection with the interior of the first fixing column, a clamping jaw assembly is arranged at the bottom of the threaded rod, and a supporting assembly is arranged on the inner wall of the fixing ring. According to the tower drum mounting device, the third fixing column is rotated to rotate the first fixing column, the fourth fixing column rotates the internal threaded rod, and the threaded rod drives the bottom three-groove column to slide in the hollow column, so that the effect of quick mounting is achieved, and the problem that the tower drum is inconvenient to mount by using nuts and bolts traditionally is solved. And the installation efficiency is reduced, and the convenience is improved.

1. The name of the product under this design: Electric screwdriver (CS25). 2. Purpose of this design product: used for tightening and loosening screws, nuts and bolts of various types and specifications. 3. The design key point of this appearance design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: three-dimensional picture.