3019results about "Rod connections" patented technology

One-button operation type support leg and support foot frame includes a first bracket, a second bracket and a third bracket. The second bracket may slide relative to the first bracket, and the third bracket may slide relative to the second bracket in the length extension direction. An active locking mechanism locks or unlocks the first bracket and the second bracket being disposed between the first bracket and the second bracket, and a drive locking mechanism locks or unlocks the second bracket and the third bracket being disposed between the second bracket and the third bracket. An interlocking mechanism may be disposed between the active locking mechanism and the drive locking mechanism. The active locking mechanism drives the driven locking mechanism to move through the interlocking mechanism, so the drive locking mechanism and the active locking mechanism are in a locked state or in an unlocked state at the same time.

A junction assembly comprising a primary hub, the primary hub comprising one or more primary hub sidewalls, one or more primary hub angular members; a top member disposed atop the primary hub; a secondary hub disposed below the primary hub; and one or more brackets pivotably coupled to at least one of the primary hub and the secondary hub.

An over-center latch for a concave combine comprises a mount directly attached to a concave combine or an accessory for a concave combine, a base plate, a lever with a loop at one end that is configured to attach to a catch, and a center pin that allows the lever to rotate with respect to a handle. Either the handle or the lever can be pulled into a vertical position.

The present invention discloses a storage pole for facilitating telescopic control adjustment, comprising a main support pipe fitting, a fixed sleeve being installed at a front end of the main support pipe fitting, a limit adjustment mechanism being installed on a surface of an upper end of the fixed sleeve, and the limit adjustment mechanism being used for limiting and locking the telescopic adjustment pipe. According to the present invention, the limit adjustment mechanism facilitating assembling and fixing is installed at the front end of the main support pipe fitting, a limiting pin can be quickly controlled to be separated from a limit slot hole on the surface of the telescopic adjustment pipe by a pressing manner, thereby being capable of freely sliding the telescopic adjustment pipe to quickly adjust a length of the entire storage pole.

A bicycle component for an at least partially muscle-powered bicycle, including a seat post device adjustable between two positions, with two support members telescopically movable relative to one another in the axial direction namely, a first support member and a second support member. The bicycle component includes an anti-twist protection with a clamping element that non-rotatably couples the support members together, and which is displaceably received in a guiding groove, so that rotational movement of the first support member relative to the second support member can be at least partially blocked. The anti-twist protection includes a spline device with a spline unit that can be pressed against the clamping element in the axial direction. By pressing the clamping element and the spline unit together, the clamping element and / or the spline unit can be moved relative to the guiding groove in the peripheral direction.

An accessory mount allows accessories to be removably and adjustably mounted to a surface. In an example, the surface may be that of a watercraft, and the accessory may be a fishing rod. The mount may be used with a track fixable to an environmental surface or mounted directed to the environmental surface. When used with a track, a post of the accessory mount releasably engages the track. Slidable engagement of the post allows lateral or horizontal adjustment of the accessory. An accessory engaging member is adjustable in relation to the post about a horizontal axis and a vertical axis, so that angular and azimuthal rotational adjustments of the accessory are enabled. A single lever is used to make angular and rotational adjustments, and to release the accessory engaging member from the post.

This invention relates to the field of photovoltaic module technology and discloses a photovoltaic frame and a photovoltaic module. The photovoltaic frame, comprising multiple steel frame strips connected end-to-end in sequence and corner connectors joining steel frame strips adjacent to each other at a corner; wherein each steel frame strip comprises: a first mounting chamber and second mounting chamber, the second mounting chamber includes a fourth steel wall, the top and bottom of the fourth steel wall are bent to connect to the protruding / recessing portion and one side of the fifth steel wall, respectively, and the free end of the fifth steel wall has a bent section; the corner connector comprises a first connecting part and a second connecting part, joined by a bend; the first connecting part comprises a first connecting wall and a second connecting wall connected by a bend, while the second connecting part comprises a third connecting wall and fourth connecting wall connected by a bend; both the first connecting wall and the third connecting wall are vertical or horizontal steel walls, while the second connecting wall and fourth connecting wall can be horizontal or vertical steel walls; the upper end of the vertical steel wall snaps into the protruding / recessing portion, and the horizontal steel wall snaps into a chamber defined by the lower end of the fourth steel wall, the fifth steel wall, and the bent section on the free end of the fifth steelwall. Thus, the mechanical strength and installation stability of the photovoltaic frame can be improved, and the cost can be reduced.

A quick release fastening device includes a threaded ring and at least one fastening unit. The threaded ring includes a ring-shaped main body including an outer surface, an inner threaded surface defining a threaded hole, at least one groove located on the outer surface, and at least one radial through hole located in the groove and communicating with the threaded hole. The fastening unit includes a stuffing block disposed in the radial through hole, movable along the radial direction of the threaded hole and including a threaded surface facing toward the threaded hole, and a quick release handle pivotably connected with the threaded ring and located in the groove for pushing the stuffing block toward the threaded hole when being pivoted from a release position to a tightly press position. The quick release fastening device is simple in structure, convenient in usage and great in fastening effect.

The present invention provides a main chord with an integrated circular tenon joint and a tower crane standard section. The integrated main chord with a circular tenon joint includes a main chord main rod, and a female joint and a male joint integrally extending axially outward from both ends of the main chord main rod along the length of the main chord main rod. The female joint is provided with a mortise hole and a mortise sealing core rod fixed therein for sealing one end of the main chord main rod. The male joint is provided with a tenon section and a tenon sealing core rod fixed therein for sealing one end of the main chord main rod. The aperture of the mortise hole of the female joint and the outer diameter of the tenon section of the male joint are in a clearance fit relationship with the same nominal size. In this application, the connection between the female joint and the male joint and the main chord main rod is free of welded joints, connecting sleeves, welds, and welding stress, thereby enhancing safety and reliability. Furthermore, the installation and disassembly of two adjacent tower crane standard sections is convenient and labor-saving, and regular safety inspections of the joints of each tower crane standard section are not required during use.

Telescoping pole systems, glides, and clamps thereof are described. The telescoping pole system includes a plurality of nested poles. The glides include a body having one or more projections. The projections lock the glides into a pole. The glide contacts a flange of the clamp, thereby prevent a pole from being fully removed from a pole it is nested within. The poles of such systems may be multi-lobed.

A tripod stand is configured to support a pole mounted lantern. A bar is carried by a leg and biased by a spring into engagement with a pair of tracks with a wavy profile to resist displacement of the bar out of a valley of the wavy profile. The leg releasably retains a spike to secure the tripod stand to the ground.

A bed frame assembly, having four bed feet, two transverse support frames, and two longitudinal support frames; each bed foot is connected with one corresponding transverse support frame and one corresponding longitudinal support frame. At least one connection bar piece is arranged on each of a first side and a second side of each transverse support frame, and the connection bar piece is inserted to a corresponding bed foot and is locked by a corresponding fastener, so that the transverse support frame is more convenient and faster to assemble. The bed frame can be disassembled into the bed feet, the transverse support frames and the longitudinal support frames, which facilitates packaging and transportation.

The present disclosure relates to a telescopic tent pole extendable between an extended and collapsed state, in particular for a vehicle roof top tent. The tent pole includes a first pole element and a second pole element connected to each other and moveable relative to each other in an axial direction to extend or collapse the tent pole. The tent pole further includes a fixation device configured to be adjustable between a blocking state and a release state, with the fixation device biased towards its blocking state. The fixation device, in its blocking state, is configured to prevent collapsing of the tent pole in the extended state or at least one intermediate state of the tent pole. Alternatively, the fixation device, in its blocking state, is configured to permit further extending of the tent pole towards its extended state in the intermediate state of the tent pole.

The utility model provides a goods shelf span beam and a goods shelf, and belongs to the technical field of warehouse logistics. The goods shelf span beam comprises a bearing piece and a guiding piece arranged on the bearing piece, the guiding piece is located on one side of the bearing piece, the bearing piece is used for supporting the bottom face of goods, and the guiding piece is used for being arranged on one side of the goods in a blocking mode; at least one of the bearing piece and the guiding piece is provided with at least one first connecting part formed through stamping, and the first connecting part is used for being connected with a cross beam of a goods shelf. When the goods shelf span beam is used for assembling the goods shelf, after the first connecting part of the goods shelf span beam is connected with the cross beam of the goods shelf, the bearing piece and the guiding piece can be installed on the cross beam, other fasteners do not need to be adopted for fixing, and the goods shelf span beam is convenient and fast to install and operate.

Co-manipulation robotic systems are described herein that may be used for assisting with laparoscopic surgical procedures. The co-manipulation robotic systems allow a surgeon to use commercially-available surgical tools while providing benefits associated with surgical robotics. Advantageously, the surgical tools may be seamlessly coupled to the robot arms using a disposable coupler while the reusable portions of the robot arm remain in a sterile drape. Further, the co-manipulation robotic system may operate in multiple modes to enhance usability and safety, while allowing the surgeon to position the instrument directly with the instrument handle and further maintain the desired position of the instrument using the robot arm.

The utility model relates to the technical field of aluminum profiles, and discloses an aluminum profile connecting structure which is characterized in that a first connecting assembly comprises a connecting sleeve fixedly arranged on the right side of a connecting block, a connecting plate, a fixing column fixedly arranged on the right side of the connecting plate, positioning columns fixedly arranged on the left side of the connecting plate and located on the upper side and the lower side of the fixing column, and a plurality of common bolts; a common bolt is inserted into the hole A and the hole B and then fixedly connected with the aluminum profile and the fixing column, a common bolt is inserted into the hole C and the hole D and then fixedly connected with the connecting sleeve and the connecting plate, and second connecting assemblies which are the same as the first connecting assemblies and are circumferentially arranged are arranged on the left side, the upper side and the lower side of the connecting block. The aluminum profile connecting piece has the advantages of being capable of connecting a plurality of aluminum profiles and fixing the aluminum profiles from a plurality of directions, a plurality of holes do not need to be formed in the aluminum profiles, and the problems that installation is inconvenient and installation efficiency is low due to the fact that experience of operators is insufficient are solved.

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

The utility model discloses a knob type mechanical self-locking mechanism which comprises a fixing rod, a sliding rod is connected to the inner wall of the fixing rod in a sliding mode, positioning holes are formed in the outer wall of the sliding rod in a linear array mode, the appearance of the positioning holes is round, and a self-locking mechanism is fixedly connected to the top of the fixing rod. The outer wall of the self-locking mechanism is fixedly connected with a limiting mechanism, and the self-locking mechanism comprises a fixing ring. According to the rotary knob type mechanical self-locking mechanism, the bottom of the rotary knob abuts against and makes contact with the top of the sliding buckle by rotating the rotary knob, due to the particularity of the appearance of the bottom of the rotary knob and the appearance of the top of the sliding buckle, when force generated when the bottom of the rotary knob makes contact with the top of the sliding buckle is enough, the sliding buckle can move towards the bottom, and the sliding buckle drives the positioning block to move synchronously; and the outer wall of the positioning block is inserted into the inner wall of the positioning hole, so that self-locking is completed, the sliding rod cannot continuously slide on the inner wall of the fixed rod, and the self-locking effect is achieved.

An engaging module has a male engaging element and a female engaging element. The male engaging element is connected to the female engaging element and has a first casing, a first magnetic element disposed in the first casing, and multiple matching structures disposed around an external surface of the first casing. Each matching structure has a guiding notch, an extending channel, and a positioning channel. The female engaging element has a second casing, a second magnetic element disposed in the second casing, and multiple positioning protrusions respectively corresponding to the multiple matching structures. The positioning protrusions respectively engage in the positioning channels when the first magnetic element and the second magnetic element are magnetically attracted to each other, and will not leave the positioning channels when an external pulling force is applied on the engaging module, and this simultaneously improves the convenience of assembly and the stability after assembly.

The connecting rod comprises a plurality of rod bodies with the ends connected with one another, and the connecting position comprises a first end face and a second end face which are matched with each other; and the axial fastening device is used for applying fastening force in the axial direction to connect the two adjacent rod bodies. When every two adjacent rod bodies are connected, axial pre-tightening force is applied to the two rod bodies through the axial fastening device, then the first end face and the second end face are pressed, the first end face and the second end face are matched in the mode that the first end face and the second end face are correspondingly arranged, and the first end face and the second end face are matched through friction force or corresponding protrusions and recesses. The acting force of the connecting rod and the connecting rod is increased, especially the acting force of the connecting rod and the connecting rod in the circumferential direction, so that the connecting rod and the connecting rod are prevented from moving in the circumferential direction, the two adjacent rod bodies are prevented from moving in the circumferential direction, the two adjacent rod bodies are connected more firmly and stably, and the connecting rod is convenient to store, convenient to extend, splice and expand and capable of guaranteeing connection stability during training. And circumferential and axial movement is prevented.

A sun umbrella locking device includes: a sliding base, a locking clamping base and a fastening assembly, wherein a sliding chamber is formed in the locking clamping base, and two locking pieces are arranged on side surfaces of the locking clamping base; an expansion joint is formed between the two locking pieces, and the expansion joint extends into the sliding chamber of the locking clamping base; the two locking pieces are respectively provided with a first locking hole, the sliding base is provided with an accommodating chamber, and the locking clamping base is arranged in the accommodating chamber; the sliding base is provided with a second locking hole aligned with the first locking hole; after passing through the second locking hole and the first locking hole, the fastening assembly is connected to the sliding base and the locking clamping base.

The utility model discloses a hoop support which comprises a hoop body, and the hoop body is fixed to the external environment in a surrounding mode when used. The hoop further comprises a fastening device, and the fastening device is used for applying fastening force to the hoop body and enhancing the acting force of the hoop body and the external environment. The hoop comprises a hoop body, and further comprises a quick connecting base, the quick connecting base is connected with the hoop body, and the quick connecting base is used for being quickly connected with external equipment with a corresponding connecting base. And then external equipment provided with a connecting seat corresponding to the quick connecting seat is directly in butt joint with the quick connecting seat, so that the installation is completed, other parts do not need to be additionally disassembled in the installation process, threaded fasteners do not need to be screwed, and convenience and rapidness are achieved.

A connection system for joining members of a structure, said system comprising an anchor element fixed to a primary structure or structural member and an adapter element fixed to said anchor element, said adapter element being adapted to receive, support and be connected to the end of a secondary structural member, the system permitting the assembly so created be readily, partially or completely, dismantled; said anchor element being fixed in place using conventional fastening means, said adaptor element being slidingly engaging with complementary shapings of said anchor element and locked in place on said anchor element by the installation of locking means, an end of said structural member being entered into and secured to said adaptor element by frictional engagement, by bonding or, where a tensile loading is to be applied to said structural member, by means of conventional fastenings.

The utility model provides a steel-plastic conversion pipe fitting joint assembly, which relates to the technical field of pipe connecting structures, and comprises a connecting seat, a clamping and pressing mechanism is arranged outside the connecting seat, the clamping and pressing mechanism comprises four semi-circular blocks, one side surfaces, close to each other, of the two semi-circular blocks are respectively contacted with the upper surface and the bottom surface of the connecting seat, and the other side surfaces of the two semi-circular blocks are respectively contacted with the connecting seat. A rotating rod is rotationally connected into the connecting base, two sets of threaded grooves are formed in the outer surface of the rotating rod, the thread directions of the two sets of threaded grooves are opposite, two moving bases are slidably connected into the connecting base, and each moving base is in threaded connection with the rotating rod through the corresponding threaded groove. The side faces, close to each other, of the two semicircular blocks are fixedly connected with the upper surfaces and the bottom faces of the two movable bases correspondingly. And the two pipes are connected in a clamping and pressing mode, so that the connecting and detaching difficulty between the pipes is effectively reduced, and the use convenience of the pipe connecting mechanism is improved.

A fixing structure includes an insertion hole, a slit, a first stopper, and a second stopper. The insertion hole is provided in a vehicle body frame. A pipe nut main body is inserted through the insertion hole so as to be rotatable. The slit is provided in the vehicle body frame and extends from the insertion hole. The first stopper is provided at a base end of the pipe nut main body and abuts on an outer surface of the vehicle body frame to restrict movement of the pipe nut main body in a longitudinal direction. The second stopper extends from a side surface of the pipe nut main body, passes through the slit, and is disposed inside the vehicle body frame. The second stopper is joined to an inner surface of the vehicle body frame at a position rotated around the central axis from the slit.

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.