857results about "Washers" patented technology

The invention relates to the technical field of nuclear fusion, and discloses a supporting device and a method for assembling a vacuum chamber and a cold shield of a nuclear fusion device.The supporting device comprises a first supporting assembly and a second supporting assembly, the first supporting assembly comprises a first clamping piece, a first supporting piece and a first adjusting piece, and the first clamping piece and the first supporting piece are spaced in the first direction and connected through the first adjusting piece; the first adjusting piece can adjust the distance between the first clamping piece and the first supporting piece in the first direction. The second supporting assembly comprises a second clamping piece, a second supporting piece and a second adjusting piece, the second clamping piece and the second supporting piece are spaced in the first direction and connected through the second adjusting piece, and the second adjusting piece can adjust the distance between the second clamping piece and the second supporting piece in the first direction; the third adjusting piece is connected with the first supporting piece and the second clamping piece and can adjust the distance between the first supporting piece and the second clamping piece in the first direction. The cold shield and the vacuum chamber can be clamped, and the gap between the cold shield and the vacuum chamber can be adjusted.

A kit includes an adjustable chock provided with a first component having screw threads and with a second component having screw threads cooperating with the screw threads of the first component and having a lower bearing surface, and with a bearing element provided with a lower bearing surface in contact with an upper bearing surface of the first component, and with an upper bearing surface. The kit further includes at least one friction ring adapted to be mounted against the lower bearing surface of the second component or against the upper bearing surface of the bearing element.

A friction spacer adapted to be interposed between two mechanical components in order to transfer a force between the two mechanical components, the friction spacer including a flat part having two opposite surfaces defining a thickness, and a plurality of protuberances projecting from at least one of the surfaces, the protuberances of the plurality of protuberances extending from the at least one of the opposite surfaces by a determined average height. The flat part and the protuberances are produced from the same metal material, and the same metal material continuously extends between the flat part and the protuberances.

A mounting system includes a mounting device. The mounting device includes an internal cavity defined in a side of the mounting device, a first sealant aperture defined in the mounting device and opening into the internal cavity, a second sealant aperture defined in the mounting device and opening into the internal cavity, the first sealant aperture and the second sealant aperture being in fluid communication when the mounting device is placed on a surface for use, and a fastener aperture defined through the internal cavity. The mounting system further includes a coupling bracket including a bottom portion, an underside surface of which is correspondingly shaped in conformance with a shape of an outer surface of a central portion of the mounting device so as to be accommodated thereon when in use, and a fastener to couple the mounting device and the coupling bracket together via the fastener aperture.

The utility model relates to the technical field of anti-loosening bolts, in particular to an anti-loosening bolt for a wind driven generator, which comprises a bolt and a nut, the bolt comprises a head and a screw rod, the nut is in threaded connection with the surface of the screw rod, a sliding groove is arranged on the surface of the screw rod, and a circular ring base plate is sleeved on the surface of the screw rod. And a limiting block is fixedly connected to the inner arc surface of the circular ring base plate, the limiting block is clamped in the sliding groove, an inserting groove is formed in the surface of the circular ring base plate, and a locking mechanism is fixedly connected to the surface of the nut. The bolt and the nut can be fixed through matching of the circular ring base plate and the locking mechanism on the nut, so that connection between the bolt and the nut is firmer, the problem of bolt loosening caused by various complex working conditions such as vibration, high and low load changes and strong wind impact in the operation process of the wind driven generator can be effectively solved, and the service life of the wind driven generator is prolonged. The reliability of bolt connection is greatly improved, and stable connection of all parts of the wind driven generator is ensured.

A fastening system comprising a fastener and a cage and a sealing element. The fastener is enclosed and held by the cage. The sealing element arranged so that using the fastener places the sealing element in a sealing area between the cage and the fastener.

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 invention relates to a friction-increasing sheet (1) for increasing friction force, which is an improvement on the existing metal locking nut, and is characterized in that no convex sheet (3) is arranged on one side of an inner ring (6) of an annular seat sheet, and at least one fan-shaped (4), crescent (5) or eccentric circle-shaped (26) convex sheet (3) is arranged on the other side of the inner ring (6) of the annular seat sheet, so that the asymmetric friction-increasing sheet (1) is formed. And the metal locking nut (13) is riveted on the step (14) to form a new metal locking nut (13). The anti-loosening method is characterized in that the friction increasing sheet (1) transversely pushes and axially extrudes the external thread (24) of the bolt to one side, so that the internal thread (23) of the metal locking nut is not coaxial on the external thread (24) of the bolt, the internal thread (23) of the metal locking nut is fully inclined between gaps (22) and is meshed in a manner that two sawtooth corrugated peaks and valleys are staggered in tooth after being spirally unfolded, and the friction coefficient is increased and the friction force is very large along with the increase of the pre-tightening force; and the anti-loosening performance is greatly improved. The anti-loosening technology and the anti-loosening product are used for anti-loosening fastening of various vibration mechanical devices and facilities.

The utility model relates to the technical field of metal washers, in particular to a self-expansion anti-deformation washer which comprises two connecting washers, the inner ring walls of the two connecting washers are jointly connected with two wear-resistant reinforcing rings in a sleeved mode, the front portions and the rear portions of the upper ends of the two connecting washers are connected with connecting frames in a penetrating mode, and the connecting frames are connected with the connecting washers in a sleeved mode. First contact layers are fixedly connected to the inner ring walls of the two connecting gaskets, clamping grooves are formed in the front portion and the rear portion of the right end of the connecting gasket on the left portion, two first insertion rods are fixedly connected to the front portion and the rear portion of the right end of the connecting gasket on the left portion, and the two clamping grooves are located between the two adjacent first insertion rods correspondingly. Connecting grooves are formed in the front portions and the rear portions of the upper ends of the two connecting gaskets. According to the self-expansion anti-deformation gasket, the wear-resistant reinforcing ring and the connecting frame are arranged, so that the two connecting gaskets can be reinforced in the using process.

A fastening assembly is provided which comprises a compensating element and an isolating member. The compensating element comprises a body having a receiving hole and a retaining flange provided at a first end of the body and having a retaining hole. The isolating member is made of metal and comprises a sleeve portion defining a channel. A fastening element inserted from a second end of the body of the compensating element can enter the channel and move in the channel in one or more lateral directions. The sleeve portion is inserted into the retaining hole and cooperates with the retaining hole to retain the isolating member in the compensating element. The fastening element fastens the compensating element to the second component via the sleeve portion, and the sleeve portion is configured to withstand an axial fastening force exerted by the fastening element on the retaining flange of the compensating element.

The utility model discloses an intelligent gasket structure which comprises a lower gasket body, a pressure sensor and an upper gasket body. A first through hole for a bolt to penetrate through is formed in the center of the lower pad body; the pressure sensor is annular, the pressure sensor is fixed on the upper surface of the lower pad body in an overlapping manner, and the pressure sensor is provided with a second through hole for the bolt to pass through; the upper pad body is fixed on the upper surface of the pressure sensor in an overlapped mode, a third through hole for the bolt to penetrate through is formed in the center of the upper pad body, and the third through hole is communicated with the second through hole in an up-down opposite mode. The product is composed of the lower pad body, the pressure sensor and the upper pad body, the pressure sensor is clamped between the lower pad body and the upper pad body, the pressure sensor can be used for sensing the pressure borne by the product in real time, when the sensed pressure becomes small, it is indicated that the nut and the bolt are loosened, the intelligent degree is effectively improved, and the production efficiency is improved. Looseness between the nut and the bolt can be found in time, potential safety hazards are avoided, and convenience is brought to use.

A fastening system may include a union plate with four perforated holes aligned with mat corners. A device may include threaded receiver nuts within the perforated holes of the union plate. A device may include a tapered bolt with a threaded end, configured to engage the receiver nuts. A device may include a rubber washer and a tapered steel washer with a tapered center hole, arranged in the bolt assembly.

A pair of wedge lock washers with a first wedge lock washer and with a second wedge lock washer. The two washers each have a fastener opening arranged in alignment with one another, a wedge surface structure which engages with one another on their mutually facing surfaces, and clamping structures on their surfaces facing away from one another. One of the two washers has a larger outer diameter than the other washer, and has a rotary drive contour on the radial outside for torque support of a clamping tool. The clamping structures of the washer with the larger diameter are arranged at an axial distance from the disk surface in the inner disk area thereof and are designed for the form-fitting embossing of the same into the surface of a component adjacent thereto. The apexes of the wedge surface structuring are located as positive structures on the mutually facing surfaces of the wedge lock washers in a respective plane. The planes of the disk surfaces of the wedge lock washer with the smaller diameter are arranged parallel to one another.

A collated-screw-band assembly comprises a loading band, multiple shoulder washers, and multiple screws. The loading band has multiple positioning hole sets linearly spaced apart and comprising a positioning hole and multiple bendable positioning clips surrounding the positioning hole. The shoulder washer comprises an annular body mounted through the positioning hole and a limiting rim extending outwardly from the annular body and abutting the positioning clips. A rod portion of one of the screws is mounted through the shoulder washer. A head portion of said screw and the limiting rim of the corresponding shoulder washer clamp the corresponding positioning clips and the loading band. When the collated-screw-band assembly drops or is impacted, the screws and the shoulder washers distribute the impact, thereby increasing assembling stability.

The present disclosure provides a tolerance adjuster, including a housing, a fastener and a centering structure. The housing is a vertically through cylindrical body and includes an inlet and an outlet that are opposite to each other, and the housing defines a channel. The fastener is arranged partially in the channel. The centering structure is cooperatively connected to the fastener and the housing such that the fastener is movable axially back and forth in the channel and the fastener is kept substantially on a central axis of the housing. A hidden vehicle door handle can be mounted to an interior sheet metal of a vehicle door after the hidden vehicle door handle is aligned with an exterior sheet metal of the vehicle door, such that the hidden vehicle door handle can be mounted easily and reliably. The centering structure is cooperatively connected to the fastener to prevent the centering structure from being disengaged from the fastener after radial movement of the fastener, such that the centering structure does not need to be reassembled.

The fastener comprises a flange part and a sealing washer, the flange part is provided with a flange face used for making contact with an opponent piece, a first annular groove is formed in the flange face, the sealing washer comprises expansion glue capable of expanding when heated, the sealing washer is arranged in the annular groove, and the first annular groove is provided with a second annular groove. The first annular groove is filled with the sealing washer which expands after being heated, and part of the sealing washer protrudes out of the first annular groove. The fastener provided by the invention has the advantage of high connection sealing performance with the opponent piece.

A device for compensating for tolerances between two components to be connected to one another where the device may have a base element a compensating element. The compensating element may prior to assembly with a thread play be in threaded engagement with a first component, and into which the base element can be inserted. The device may also have a connecting element which can be inserted through the base element to connect the two components. During assembly, the connecting element may come into engagement with the base element and the base element may engage in a force-fitting manner, in particular by frictional engagement or in a form-fitting manner, into the compensating element in such a manner that the compensating element enters into play-free, play-reduced and / or self-locking engagement with the first component.

To provide a method for attaching a nested washer that is applicable to a base plate having an enlarged anchor bolt insertion hole, and the nested washer. [Solution] Indicator points 22, 34 are provided on the upper surfaces of the seats at positions where the wall thickness of the cylindrical legs 23, 32 of the upper washer 20 and the lower washer 30 is smallest, and a graph is prepared showing the relationship between the eccentricity distance and the rotation angle for each size of nested washer. An eccentricity reference line BL is set by extending the line connecting the center D of the enlarged hole 4 and the axis C of the anchor bolt 3 in the eccentric direction, and the rotation angles θ1, θ2 of each washer are confirmed on the graph according to the eccentricity distance E of the anchor bolt 3 measured on site. With the cylindrical leg 32 of the lower washer 30 fitted into the enlarged hole 4, the indicator point 34 of the lower washer 30 is aligned with the eccentricity reference line BL, and the bottom washer 30 is positioned by rotating it by the rotation angle θ1. The upper washer 20 is then inserted onto the anchor bolt and rotated by the opposite amount θ2 on the upper surface of the lower washer, whereby the cylindrical leg 23 of the upper washer 20 fits into the leg receiving hole of the bottom washer.

The connecting mechanism capable of preventing the threads from being damaged comprises a support, a connecting piece and an anti-damage piece, the support is installed on first equipment, the support is provided with a threaded hole, the connecting piece comprises a head and a rod body, the rod body comprises a smooth part and a threaded part, and the smooth part and the threaded part are in threaded connection. The smooth part is formed by extending between the threaded part and the head part, and the connecting piece is installed on the support in the mode that the threaded part is matched with the threaded hole to penetrate through the threaded hole in a rotating mode so that the smooth part can be kept inserted into the threaded hole. The connecting piece rotates into the second device to connect the first device with the second device, the anti-damage piece is installed on the smooth part or the support, and the anti-damage piece is arranged to be capable of limiting the moving stroke of the connecting piece so as to prevent the threaded part from rotating into the threaded hole. The thread part is effectively prevented from being clamped due to thread staggering, so that the thread part is prevented from being broken or deformed.

A device 10 for fixing an enclosure (figure 3, 12) to a wall, and in particular a device 10 for fixing an enclosure (figure 3, 12) at a distance away from the wall. The device 10 comprises a support m

The utility model provides a flat washer with a locking function, which belongs to the technical field of mechanical manufacturing and comprises a bolt and a locking component arranged outside the bolt, the locking component comprises a first washer, a storage groove, a first connecting rod, a spring, a fixing plate, a second connecting rod and a second washer, the first washer is slidably arranged on the outer wall of the bolt, and the second washer is slidably arranged on the outer wall of the bolt. The storage groove is formed in the inner wall of the first gasket, one end of the first connecting rod is rotationally connected to the inner wall of the storage groove, the other end of the second connecting rod is rotationally connected to the outer wall of the second connecting rod, and the spring is fixedly arranged on the outer wall of the fixing plate. By means of the locking assembly and the gasket with the spring pressure locking function, continuous elastic pressure can be applied to a connected part after installation, when equipment is subjected to vibration or impact or under the action of dynamic loads, the elastic pressure can offset external force enabling the bolt to loosen, and the bolt can be tightly locked through the pressure of the spring, so that the safety risk is reduced.

To provide a method for mounting a nest washer applied to a base plate having an enlarged anchor bolt insertion hole, and the nest washer.SOLUTION: An indication point 22,34 is provided on the upper surface of a seat part at a position where the thickness of a cylindrical leg part 23,32 of an upper washer 20 and a lower washer 30 becomes minimum, and a graph showing the relation between an eccentric distance and a rotation angle is prepared for each size of a nest washer. An eccentric reference line BL obtained by extending a line connecting the center D of the expanded hole 4 and the axis C of the anchor bolt 3 in the eccentric direction is set, the rotation angles θ 1 and θ 2 of the washers are checked on a graph in accordance with the eccentric distance E of the anchor bolt 3 measured at the site, and the indication point 34 of the lower washer 30 is aligned with the eccentric reference line BL with the cylindrical leg portion 32 of the lower washer 30 fitted in the expanded hole 4. When the lower washer 30 is positioned by rotating by a rotation angle θ1 and the upper washer 20 is inserted into the anchor bolt and rotated by θ2 in the opposite direction on the upper surface of the lower washer, the cylindrical leg part 23 of the upper washer 20 is fitted into the leg part receiving hole of the lower washer.SELECTED DRAWING: Figure 9

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).

The utility model belongs to the technical field of new energy automobiles, and particularly relates to a new energy automobile fastener protection device which is characterized in that the top end of a connecting seat is fixedly connected with an oiling assembly, the interior of the oiling assembly is in threaded connection with a fastening bolt, the surface of the fastening bolt is provided with a connecting groove, and the surface of the connecting groove is provided with an oil storage groove; a protection assembly is slidably connected to the surface of the fastening bolt, the oiling assembly comprises an oil storage tank, and the protection assembly comprises a flange plate. The fastening bolt is placed in the connecting cylinder and the fixing base, contact with external substances is avoided through the sealing ring, meanwhile, lubricating oil is regularly conveyed into the connecting cylinder through the communicating pipe to conduct oiling operation on the fastening bolt, and then the flange plate is inserted into the surface of the fastening bolt. The automobile body compresses the spring washer, and the spring washer rebounds to push the flange plate to abut against the automobile body structure, so that the fastener is tightly connected with the automobile body structure.

More easily detect loosening of the screw. 【Solution means】 In the fastening component, among the plurality of leaf spring portions of the washer, the leaf spring portion that is in contact with the portion of the back surface of the screw where there is no depression is pushed downward in the direction of pointing to the substrate by the back surface of the screw, and is electrically connected to any one of the plurality of conductive patterns. When one or more of the plurality of leaf spring portions are electrically connected to the plurality of conductive patterns, the plurality of conductive patterns are electrically connected to each other via one or more leaf spring portions.

The utility model relates to a gasket convenient to rotate. The gasket convenient to rotate (10) is provided with a gasket body (11) and a rolling wheel (12). The roller (12) is connected with the gasket main body (11); the gasket main body (11) is provided with a chuck (111), a first round edge (112), a second round edge (113), a first transition part (114) and a second transition part (115); the roller (12) is exposed out of the first round edge (112) and the second round edge (113); the spacing distance between the chuck (111) and the first round edge (112) is A; and the spacing distance between the chuck (111) and the second round edge (113) is B. The LED display screen connecting device can be conveniently twisted through the design of the gasket convenient to rotate, and the radian adjustment operation is simple and rapid. The chuck is spaced from the first round edge and the second round edge, so that the normal work of the roller is prevented from being influenced by the deformation of the first round edge and the second round edge, and the stability of the gasket convenient to rotate is improved.