76results about "Washers" patented technology

A battery assembly for an electric vehicle is provided that has a housing, one or more battery units, and a mounting system. The housing includes a concave shell extending from an upper portion of the housing toward a bottom portion of the housing. The concave shell is disposed around an internal space. A cover is coupled with an edge of the concave shell. The one or more battery units are disposed within the internal space of the housing. The mounting system is for connecting the battery assembly to a vehicle frame.

The subsea unit comprises a first member (110) and a second member (120), the two members (110, 120) being separate members, and an inner chamber (300) is formed between the first member and the second member when the first member (110) and the second member (120) are joined. A fastener (200) holds the first member (110) and the second member (120) together, the fastener (200) comprising a head (210) and a cylindrical body (230) connected to the head (210) at an axial end of the body, the body (230) comprising a threaded portion. A sealing element (220) is arranged between the head (210) and the first member (110), wherein the sealing element (220) engages both the first member (110) and the head (210) directly, and the sealing element (220) surrounds the body (230); wherein at least one sealing member (130) is arranged between the first member (110) and the second member (120) to seal the body (230) together with the sealing element (220).

An overload adjusting mechanism and a spare tire basket fixing mechanism belong to the technical field of automobile parts. The overload adjusting mechanism comprises a fixing assembly, a locking disc arranged in the fixing assembly, ball pin positioning holes arranged on the locking disc, a ball pin sliding groove on the upper surface of the locking disc, a connecting screw rod connected with the locking disc, a locking shaft member having a locking shaft body and a base, a plurality of ball pin accommodating holes on the base, a ball pin installed in the ball pin accommodating hole and capable of being inserted into the ball pin positioning hole, the ball pin being capable of sliding along the ball pin sliding groove, an adjusting nut sleeved on the locking shaft body, a butterfly spring abutting between the base and the adjusting nut, the spare tire basket fixing mechanism comprising at least one overload adjusting mechanism, a spare tire basket body and a suspension unit, the spare tire basket body being used for carrying a spare tire, and the suspension unit being connected with the connecting screw rod. The advantages are that the spare tire locking overload protection is realized, the stable and reliable release of the spare tire is ensured, the structure is compact, and the safety is good.

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.

A plurality of raised surfaces on the platform absorb the torque of fasteners that contact the surface while rotating relative to the platform. A significant disproportionate increase in torque compared to the associated increase in bolt stress is observed by the increase in torque felt when tightening the fastener. Raised surfaces are used on the knobs of mechanical pipe couplings to increase the fastener's resistance to damage when a power tool is used to apply torque to the fastener.

This utility model discloses a multi-layer metal structure for automotive gaskets, belonging to the field of automotive gaskets. It includes a gasket body and connecting components. The connecting components include a connecting groove formed inside the gasket body, with a prestressing rib fixedly connected to the inner bottom end of the connecting groove. The outer walls of two prestressing ribs are fixedly connected, and there are multiple prestressing ribs. Through the coordinated use of these devices, the impact resistance of the gasket during use can be improved, preventing deformation due to bumps during long-term use. The multiple prestressing ribs inside the gasket can apply prestress, giving the gasket a prestress that tightens inwards on both sides. This prestress makes the gasket fit more tightly with the vehicle connection during bumps, reducing the impact. Combined with wedge-shaped strips and wedge-shaped tops, the wedge-shaped interlocking design improves the self-locking property of the connection and enhances the stability of the gasket during use.

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.

A boss (1000) for assembly with a part. The boss comprises a flange member (1002) arranged to abut a face of the part and a cylindrical body (1004). The cylindrical body of the boss arranged to be inserted into the part. The flange member is arranged to be removably mounted to the cylindrical body.

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.

The invention relates to a connector (3) with an exchangeable nut (4), and to a connection assembly (2) for dismantlable connection of mats (1), namely for connecting overlapping or non-overlapping mats (1). The connector (3) according to the invention comprises two connector plates (31), at least one exchangeable nut (4) and a connecting bolt (5), wherein at least one of the connector plates (31) has at least a cut-out (32) adapted to receive the exchangeable nut (4) and at least one of the connector plates (31) has at least a central hole (33). Each of the connector plates (31) is fixed into the corresponding recess (6) on the mat (1). The design of the exchangeable nut (4), in conjunction with the connector plate (31), which is implemented by a cut-out (32), allows the individual exchangeable nuts (4) to be replaced on already assembled surfaces of mats without the need to replace the entire connector (3).

The utility model discloses inlaid elastic lock washer relates to the technical field of lock washer, including washer body, nut and sleeve used in cooperation with washer body, the washer body includes hexagon washer, two opposite edges of hexagon washer are fixedly provided with the cut -off head, and the middle position of other edges of hexagon washer is fixedly provided with the cling piece, the cut -off head is provided with the cutting surface for cutting aluminum alloy material in the one end away from hexagon washer, and the cut -off head is inclined to set, this patent is after aluminum alloy box body assembly spare, utilize aluminum alloy box body material relatively soft characteristics, adopt inlaid elastic washer, when washer body is under the pressure of nut, and the cut -off head inlaid cuts into aluminum alloy box body, reaches the rotation -stopping effect, and the nut is tightened to reach the pre -tightening force, and then the cling piece is bent and holds the nut, and the nut and aluminum alloy box body become " integral " in this way, reach the lock -prevention effect.

A room divider system comprising at least one panel having a first sheet and a second sheet spaced apart by means of at least one lath, wherein said system further comprises a connector forming a rigid structure for associated equipment, said connector being configured to be at least partially inserted in a cavity formed between said first and second sheets, wherein the connector is arranged to be attached to the at least one lath.

An assembly comprising at least first and second components, at least one connection element comprising a rod configured to ensure uptake of the traction / compression forces between the first and second components, and at least one pair of first and second contact surfaces provided respectively with first and second bumps and rigidly secured respectively to the first and second components, the first and second bumps having complementary shapes configured to nest in one another and ensure transmission of the shear forces between the first and second components. Also, an aircraft comprising at least one such assembly.

The present application provides a gasket for a fastener, a fastening unit and a photovoltaic module. The fastener is used to fix a frame to a support structure and at least a portion of the fastener is adapted to be inserted into an opening on a wall portion of the frame and to exert a fastening force on the edge of the opening. The gasket comprises a bearing portion adapted to be arranged between the at least a portion of the fastener and the edge of the opening to bear the fastening force exerted by the at least a portion of the fastener and an attachment portion configured to attach the gasket to the frame. The fastening unit comprises the aforementioned fastener and gasket. The photovoltaic module comprises the aforementioned fastening unit. In the gasket for a fastener, the fastening unit and the photovoltaic module according to the present application, the bearing portion of the gasket can bear and disperse the fastening force exerted by the fastener on the opening of the wall portion of the frame, thereby avoiding stress concentration at the edge of the opening. Furthermore, the gasket can be self-retained at the frame by the attachment portion, which can simplify the assembly process.

A fastening system (10) for vehicle components (20, 66) is provided. It comprises a plug (12) with a plug pin (22) and a plurality of radial tabs (24) extending from the plug pin (22), and a socket (14) with a primary receptacle (26) for receiving the plug pin (22) of the plug (12) and a plurality of secondary receptacles (28) for receiving the plurality of radial tabs (24) in a rotary locking arrangement. The plug (12) and the socket (14) are integrally formed with or associated with a first vehicle component (20) and a second vehicle component (66) to enable connection of the first and second vehicle components (20, 66) via the fastening system (10). There is also a vibration damping element (16) that can be accommodated around the plug pin (22) in order to be in contact with the socket (14) when connected to the plug (12) and to cause vibration damping between them.

The invention is a joining assembly with protrusions having a gap and a related method of manufacturing a joining assembly. An assembly including a first part and a second part. The second part includes a non-lap surface facing a base surface, a plurality of lap surfaces shown at protrusions, which are gapped if necessary or as necessary, and a plurality of second through holes. A width of each of the plurality of protrusions is equal to or greater than 2(r+Ttanθ), where r is a maximum radial dimension of an outermost portion of a fastener in contact with the first part or the second part, T is a distance from a point of contact between the fastener and the first part or the second part to a lap surface of a corresponding protrusion, and θ is an angle between a central axis of a corresponding second through hole and an outermost load vector originating at the point of contact between the fastener and the first part or the second part.

This disclosure relates to a winding of a connecting element comprising a continuous metal strip including (i) a support structure, (ii) a plurality of connecting elements, and (iii) a plurality of extensions guided out of a plane of the metal strip; wherein each connecting element is associated with at least one retaining arm that integrally connects the connecting element to at least one of (a) the support structure and (b) one or more other connecting elements, and wherein the winding comprises a plurality of individual loops of the metal strip, wherein each individual loop is adjacent to an adjacent individual loop and is kept at a distance from the adjacent individual loops by the extensions of the metal strip, and wherein each connecting element comprises a metal substrate having a first engagement surface on one side of the substrate and a second engagement surface on the opposite side of the substrate, wherein each engagement surface comprises hard particles fixed to the metal substrate by an adhesive layer. This disclosure also relates to a method for manufacturing the wound roll, a method for manufacturing a plurality of individual connecting elements, and the use of connecting elements made from the wound roll for connecting first and second components to be joined in a machine, equipment or motor vehicle structure, in energy generation, or in microelectronic or micromechanical equipment.

The invention relates to a contact washer for electrically conductive connections for arrangement on an electrically conductive counterpart covered with a lacquer layer, in particular a body part of a motor vehicle, comprising an annular, concavely curved washer body, on the washer underside facing the conductor, means for penetrating the lacquer layer are arranged, wherein the washer body has a cross section comprising at least two arc-shaped sections which have a decreasing inclination in the direction of the outer edge of the washer body, and wherein the means are formed by at least one claw projecting in the direction of the outer edge of the curved washer underside.

This utility model relates to the field of fasteners and discloses an anti-loosening nut structure and an electric two-wheeler. It includes a nut body and a washer. The nut body is suitable for threaded connection with a threaded post or bolt. The washer is located on one side of the nut body and is suitable for an interference fit with the nut body. The inner circumferential wall of the washer is provided with multiple helical teeth spaced apart. When the washer and nut body are not in an interference fit, the nut body can rotate relative to the threaded post or bolt. When the washer and nut body are in an interference fit, the washer is compressed and contracts inward, so that all the helical teeth are locked with the threaded post or bolt. The helical teeth are suitable for limiting the rotation of the nut body along the loosening direction. The helical teeth of this utility model can resist the loosening of the nut. When the helical teeth are subjected to the force of nut loosening, the head of the helical teeth deforms and engages with the threaded post or bolt, forming a slightly locked state, making the nut less prone to loosening and improving the anti-loosening effect; it also improves the stability of the washer after installation.

The utility model discloses a kind of processing methods of skew disc spring, it is characterized by: in the processing of ordinary disc spring, or after processing, again using press force F to force the disc spring one side axial stress, permanent deformation is generated, make disc spring left and right two sides axial elastic force uneven, and obtain the skew disc spring (11), its elasticity makes it in the gap (22) between nut inner thread (6) at bolt outer thread (5) fully drop skew, form to open thread sawtooth ripple, peak valley tooth error engagement, with pre-tightening force increase, the friction of both is very big and prevents loose. Also disclosed is the skew disc spring (11), it is characterized by: side wall axial section width is equal, circle top (12) surface and circle bottom (14) surface form α angle, and satisfy 0.1°≤α≤30°, form skew disc spring (11) structure without symmetry axis. Its processing cost and product cost are reduced, and the anti-loose performance is good, and it is easy to process, replaces flat elastic pad, and is suitable for the anti-loose fastening of various vibrating machines.

This utility model discloses a waterproof male and female screw rod for sealing the top frame of a car roof rack, relating to the technical field of car roof mounting brackets. It includes a female head with a male head at its bottom, the female and male heads being integrated. A cover is fixedly installed on the side of the male head away from the female head, and a removable sealing ring is installed inside the cover. The intersection of the male head and the sealing ring is a smooth surface. The integrated male and female screw rod, through the cover on the male head surface, allows the special synthetic rubber O-ring seal to be stressed when the screw rod is tightened downwards. The cover restricts the outward movement of the special synthetic rubber O-ring seal, causing it to be squeezed inwards to completely fill the gap between the screw rod and the roof nut, thereby achieving complete sealing of the roof through-hole and increasing the sealing performance between the screw rod and the roof through-hole.

An article (1) and a method of manufacturing such an article, the article comprising: a steel base body (2) having a surface (3) provided with a plurality of micromechanical locking units for forming a micromechanical lock with another object when the micromechanical locking unit is pressed into a surface of the other object, the micromechanical locking unit comprising: a recess (6) surrounded by a ridge (7), wherein the angle of the surface of the recess that is intermediate between the bottom of the recess (6) and the top of the ridge (7) relative to the surface (3) is between 30° and 75°, preferably between 45° and 70°.

The application provides an intelligent gasket for vibration isolator service state monitoring and a monitoring system, and relates to the technical field of structural health monitoring. The gasket body is adapted to the size specification of a conventional vibration isolator gasket, at least one flexible intelligent chip is arranged on the stress surface of the gasket body, and an installation position is arranged on the side or center of the gasket body. Each flexible intelligent chip contains a sensing node, and all the sensing nodes are distributed on the stress surface of the gasket body. The intelligent aggregation unit is arranged on the installation position and is electrically connected with the flexible intelligent chip. The flexible connection structure connects the sensing node with the flexible intelligent chip and connects the flexible intelligent chip with the intelligent aggregation unit, so that the sensing node can adaptively displace with the deformation of the gasket body. The application adopts distributed flexible intelligent chips, flexible connection structures, multi-node coupling calculation, and jacking replacement installation process to realize high-precision stress monitoring of the vibration isolator without structural modification, supports wireless remote transmission, and is suitable for multiple application scenarios.

The utility model discloses an improvement to the existing metal locking nut, relates to a friction-increasing piece (1) for increasing friction, characterized in that: no tab (3) is arranged on one side of the inner ring (6) of the ring seat piece, and at least one tab (3) in the form of a sector (4), a crescent (5) or an eccentric circle (26) is arranged on the other side, forming an asymmetric friction-increasing piece (1). The friction-increasing piece (1) is riveted and pressed on the step (14), forming a new metal locking nut (13). The anti-loosening method is that the friction-increasing piece (1) pushes and squeezes the external thread (24) of the bolt to one side horizontally and axially, so that the internal thread (23) of the metal locking nut is decentered on the external thread (24) of the bolt, the gap (22) is fully inclined, and the screw is expanded to form two sawtooth wave peak and valley tooth engagement. With the increase of the pre-tightening force, the friction coefficient is increased, the friction force is very large, and the anti-loosening performance is greatly improved. The anti-loosening technology and product are used for the anti-loosening and fastening of various vibrating mechanical equipment and facilities.

The invention relates to a screw element with preassembled gaskets and a method for coating and manufacturing screw elements. The gaskets are advantageously positioned and held in the spacing region configured between them by means of spacing geometry and a corresponding thread.

This utility model discloses an anti-loosening washer, namely the edge-curving anti-loosening washer (1), which is a circular ring washer. Its features are: one side of the flat circular ring washer is squeezed and bent, and the chord direction is tilted downward or upward to form an asymmetrical prying pad structure with axial elastic force on the left and right sides. With the chord support surface (3) as the fulcrum, one side of the nut (12) is pryed, so that the left and right sides of the nut (12) on the threaded connection are unevenly stressed. It is fully tilted within the gap (22) between the inner thread (16) of the nut and the outer thread (17) of the bolt, forming a thread anti-loosening structure with sawtooth ripples and staggered peak and valley teeth. As the preload increases, the friction is very large, locking the nut (12) and the bolt (13). It has elasticity and can also prevent loosening in the axial direction within the elastic height range. It truly achieves three-dimensional anti-loosening. The structure is simple and the anti-loosening performance is excellent. It replaces the original flat elastic washer and is suitable for anti-loosening and fastening of various vibrating mechanical equipment.

The utility model discloses a kind of wear-resistant antiskid gaskets, comprising: gasket body, limiting block and fixed assembly, the horizontal transverse section of limiting block is set as arc, the bottom of limiting block is provided with limiting slot, gasket body is connected in the inside of limiting slot, limiting block is used to limit gasket body movement.The utility model is through the design of limiting block, limiting slot and fixed assembly, the limiting slot of being set and gasket body are adapted, so that limiting block can be set on the side of gasket body, when the position of gasket body needs to be fixed, gasket body is moved to the position required first, and limiting block is set on the side of gasket body by limiting slot, and by fixing the position of limiting block is fixed, the position of limiting block and gasket body is fixed by the fixed assembly of fixed position, by this design, the component of gasket replacement is reduced, to reduce the waste of resources.

The invention relates to a fixing washer for arrangement on a flat base (4), having a ring-shaped washer body (1) which has a convex course from an inner edge to an outer edge, wherein the washer has a cross-section which is formed by at least two mutually transitioning circular arcs (13, 14) having different radii (r1, r2).