284results about "Shrinkage connections" patented technology

The raindrop pattern color-coated aluminum plate comprises an aluminum plate body, the aluminum plate body comprises two first end faces and two second end faces, the two first end faces are oppositely arranged, the two second end faces are also oppositely arranged, the first end faces and the second end faces are coated with film layers, the film layers are symmetrically arranged along the symmetric line of the first end faces, the aluminum plate body is provided with first groove bodies, and the first groove bodies are provided with second groove bodies. The film layer covers the inner wall surface of the groove body I, the film layer comprises a bent part I positioned at the end part, and the bent parts I of the two film layers are attached to the groove body I; the plug plates are inserted into the first groove body, the plug plates comprise the first plug plate and the second plug plate, the second plug plate is provided with a second groove body, the first bending parts of the two film layers are both inserted into the second groove body, the second plug plate is further provided with fourth groove bodies, the fourth groove bodies are located on the two sides of the second groove body, the first plug plate is provided with protruding blocks, the maximum wall thickness of the protruding blocks is larger than the thickness of the fourth groove bodies, and the protruding blocks are inserted into and open the fourth groove bodies. According to the raindrop pattern color-coated aluminum plate and the production process thereof, the bonding strength of the film layer and the aluminum plate body is improved, and the film layer is prevented from falling off.

Upon docking between different parts, a docking system maintains a strong docking state in accordance with linkage of locking according to magnetism and locking according to mechanical connection. The docking system also prevents generation of gaps in various directions including upward, downward, left and right directions in the docking state, thereby being capable of securing durability and quality of each portion.

Disclosed are embodiments of a frame for a pool that may be installed as a series of beams and frame members, wherein a first beam and a second beam may be configured to connect to a frame member to form a portion of the frame of the pool, wherein the first beam and the second beam may include provisions for attaching to the frame member, wherein the orientation of the first beam may be set relative to the second beam so that a circumference of a pool is formed when the series of beams and frame members are each connected. In some embodiments, the frame member may include a receptacle, an insert, and a pin. In some embodiments, the receptacle may include a first protrusion portion for a first beam and a second protrusion portion for a second beam. In some embodiments, one or more pins may be used to attach the beams to the insert and the receptacle.

A connecting arrangement for connecting two components may have at least one connecting unit, a nut element, and a screw element. The connecting unit may have an interface for coupling to a first component. The coupling interface may have at least two coupling portions for coupling to the first component. The connecting arrangement may be fixed to the first component in a form-fitting manner without play by means of the at least two coupling portions. A vehicle device may have the connecting arrangement.

A fastener system for joining substrates of a workpiece with working and blind sides includes a nut member, a sleeve member and a bolt member. The nut member includes a nut bore with internal threads. The nut member is placed with the nut bore over a joining bore through the substrates on the blind side. The sleeve member includes an outer sleeve surface with a lubricious coating. The sleeve member is inserted in the joining bore from the working side. The bolt member includes a head portion, a threaded portion and a shank portion. The bolt member is inserted in a central bore of the sleeve member. The threaded portion engages with the internal threads of the nut member. As the bolt member becomes fully engaged, the shank portion causes radial expansion of the sleeve member, and the sleeve member provides an interference fit within the joining bore.

To provide a composite welding device and a composite welding method that may improve bond strength whether the work-pieces are made of different materials or the same material.SOLUTION: A composite welding device 1000 comprises a current application device 50 that conducts low current to a first work-piece 1 and a second work-piece 2 so as to become a melting point or less of the first work-piece 1 and the second work-piece 2 via a first electrode 11 and a second electrode 21 in the state that the first work-piece 1 and the second work-piece 2 are sandwiched between the first electrode 11 and the second electrode 21, then, pressurizes the first work-piece 1 and the second work-piece 2 from both sides in a thickness direction thereof by a first pressurizing shaft 13 and a second pressurizing shaft 23, and thereafter, in the state that the first work-piece 1 and the second work-piece 2 are sandwiched between the first electrode 11 and the second electrode 21, conducts current higher than the low current to the first electrode 11 and the second electrode 21, and conducts current for providing a molten joint part of the first work-piece 1 and the second work-piece 2.SELECTED DRAWING: Figure 4

A dissimilar-material joined body is obtained by fusion joining a steel material and a stud-equipped aluminum member obtained by attaching a steel stud member to an aluminum material. The stud member includes a head portion and a shaft portion. The shaft portion penetrates the aluminum material in a plate thickness direction, protrudes from the aluminum material, and is formed with, at a tip end of the protruding shaft portion. An expanded diameter portion expands radially outward. A back side surface of the head portion that faces the aluminum material is clinched to the aluminum material. The head portion and the steel material are fusion welded to each other with a gap having a desired interval formed between the aluminum material and the steel material.

An MLI panel and method of attaching the same to a space body wherein the MLI panels are attached by way of a plurality of electrically conductive interference fit or snap-fit locking elements.

A joint link (14) includes joint pins (33), a first link plate (31), and a second link plate (32). The joint pins (33) each have a first male threaded portion (36) at the base end. The joint pins (33) also each have, on the distal side of the first male threaded portion (36), a first frustum-shaped portion (38), the cross-sectional area of which gradually increases toward the base-end side. The first link plate (31) has holes at both longitudinal ends through which the joint pins can be inserted. At least one of the holes at both ends constitutes a first pin hole (44) having a female threaded portion into which a first male threaded portion can be screwed, and an inner surface (44a) with a concave conical surface shape corresponding to the outer surface (38a) of the first frustum-shaped portion. The second link plate (32) has holes at both longitudinal ends through which the joint pins can be inserted. At least one of the holes at both ends constitutes a second pin hole (48) into which the tip end of a joint pin can fit.

A method for coupling a thermal plate (10) and a housing (20) is disclosed. The method includes the steps of inserting the thermal plate (10) having a main area (14) and one or more folded panels (11) configured at an angle (15) from the main area (14) to allow the thermal plate (10) to be inserted within the housing (20) and stopping the thermal plate (10) within the housing (20) at a predetermined location using a stop support (101). The one or more folded panels (11) are flattened using a pressing element (100) so that the angle from the main area (14) is substantially zero degrees so that the thermal plate (10) is physically and thermally coupled to an inside wall of the housing (20). The thermal plate (10) within the housing (20) may be aligned using one or more groves (12) and grove guides (21). The coupled thermal plate (11) and the housing may form part of a luminaire (200).

Arrangement for axially securing a sun gear (1) of a planetary gear stage on a rotor shaft (2) of an electric machine, wherein the sun gear (1) has an end section (8) offset radially outwards at its inner diameter and is axially fixed on the rotor shaft (2) by at least one retaining ring (6), and in order to secure against the centrifugal forces acting on the retaining ring (6) during rotation of the rotor shaft (2) at least one locking element (9) is provided, which is inserted into the end section (8) on the sun gear (1) for fastening and is at least partially pushed over the retaining ring (6) and secures it radially, characterized by the fact that the locking element (9) is positively inserted into the sun wheel (1), wherein the locking element (9) is designed as a locking sleeve which is axially pressed into the radially offset end section (8) of the sun gear (1), wherein the locking sleeve is angled radially inwards with an end section (10) and radially encompasses the locking ring (6) at the outer diameter with its free end face, wherein the locking sleeve with an end section (10) is angled at a right angle radially inwards and rests axially over a radial ring shoulder (5) formed on the inner diameter of the sun gear (1) and the locking element (9) has several openings (11) for the attack of a puller for disassembly.

To properly maintain a connection state of an inside cover and an outside cover by not only preventing a relative detachment of the inside cover and the outside cover but also maintaining the inside cover in a proper state.SOLUTION: A retention structure is for preventing a relative detachment of an inside cover 2 for piping and an outside cover 3 for piping externally fitted and connected to an end part of the inside cover 2. The retention structure comprises a retention tool 5 that is attachable to the end part of the inside cover 2, is locked to an inner surface part of the outside cover 3 with the retention tool attached to the inside cover 2, and exerts a retention action of preventing a relative detachment of the inside cover 2 and the outside cover 3. The inside cover 2 is formed by combination of a plurality of split bodies. The retention tool 5 comprises an assembling state maintenance action part, which exerts an assembling state maintenance action of maintaining the plurality of split bodies in an assembled state with respect to the inside cover 2 with the assembling state maintenance action part assembled to the inside cover 2.SELECTED DRAWING: Figure 2

The present invention aims to provide a joint structure, a joined assembly, and a set of members in which high joining strength is developed by fitting. It provides a joint structure including a first joint part formed in a first member and a second joint part formed in a second member that are fitted and fixed together wherein at least either of the first member and the second member is made of a fiber reinforced plastic material that contains reinforcing fibers with an average fiber length of 1 mm or more; the first joint part has a recessed shape in at least one cross-section of the joint structure while the second joint part has a shape that fits into the recessed shape of the first joint part in that cross-section; and there exists a pressing force between the first joint part and the second joint part so that the first member and the second member are fitted and fixed together.

The invention relates to a high-voltage connection (1) for a high-voltage component (2), comprising at least the following components: - a multilayer contact (3) with a plurality of contact layers (4) and a connection section (5); - a contact sleeve (7); and - a clamping sleeve (8). The high-voltage connection (1) is characterized in particular by the fact that the clamping sleeve (8) is force-fitted to the contact sleeve (7) and the contact layers (4) are arranged to extend through the connection section (5), and thus the multilayer contact (3) is positively connected to the contact sleeve (7). Here, a high-voltage connection with a clamping sleeve is proposed, which enables a cost-effective and quick connection of a high-voltage component to a connecting conductor.

A two-part expansion threaded bolt (1) for installation in a receiving bore of a component (3), comprising: a) a threaded bolt (10) with a first axial end (12) and an opposing second axial end (14) which has: a1) at the first axial end (12) a cylindrical head region (20) which radially outside a first anchoring structure (22) and a first outer diameter D B1 exhibits a2) at the second axial end (14) a fastening area (40) which is at least partially provided with an external thread (42) and in the area of ​​the external thread (42) has a second outer diameter D B2 exhibits a diameter smaller than the first outer diameter D B1 , and a3) a, preferably cylindrical, positioning area (30) between the head area (20) and the mounting area (40), which is separated from the head area (20) and the mounting area (40) by a step (26, 32) and has a third outer diameter D B3 exhibits a diameter smaller than the first outer diameter D B1 and larger than the second outer diameter D B2 is, as well as b) an anchoring sleeve (50; 150; 250; 350; 450; 550; 650; 750), preferably cylindrical, which has a second anchoring structure (56) radially outside and an inner diameter d radially inside H exhibits for which the following applies: d H ≤ D B3 , so that c) the anchoring sleeve (50; 150; 250; 350; 450; 550; 650; 750) is arranged in a pre-assembled state in a form-fitting manner in the positioning area (30), preferably by means of an interference fit, and d) during a setting process the head area (20) can be moved into the anchoring sleeve (50) by means of a tool, thereby enabling a friction-fit fastening of the two-part expansion threaded bolt (1) in the receiving bore.

A method of forming a shaped article wherein said article comprises at least two parts which are chemically bonded, the method comprising: assembling at least two non chemically bonded parts in a weld cavity of a tool to form an assembly of the at least two parts, wherein said weld cavity is adapted to receive the assembly of at least two parts in the form of the shaped article; sealing the weld cavity of the tool; melting the assembly of at least two parts to chemically bond the at least two parts together to form the shaped article, wherein the shape of the weld cavity is matched to the outer circumference of the assembly of parts such that thermal expansion forces the polymer parts against the weld cavity surface and the pressure leads to full surface bonds between all parts, and wherein the tool forming the weld cavity comprises two halves forming a piston which fits into the bore of a bolster component and the plane of the split line between the two piston halves is parallel to the axis of the bore such that the pressure from the thermal expansion of the assembly of parts within the weld cavity is opposed by the surface of the bore preventing the weld cavity split line from opening and therefore preventing leakage of polymer from within the pressurised weld cavity volume, and wherein the two piston components are made from a dissimilar metal with higher coefficient of thermal expansion than the bolster component ensuring that at the welding temperature the piston is larger in diameter than the bore diameter of the bolster component leading to an interference fit which makes forces the weld cavity split line to close at the weld temperature but which still allows for a clearance gap between piston and bore at room temperature for the tool to be assembled and disassembled.

A coupling assembly for elongated elements (1, 2) comprises a pin member (5) having an outward-facing pin surface (12) and a box member (6) having an inward-facing box surface (13). The assembly comprises one or more elongated flexible locking member (30). The pin member (5) is provided with one or more first circular and circumferential groove (31), and the box member (6) is provided with one or more corresponding second circular and circumferential groove (32). When the pin-and-box connection is made up, a set of first groove (31) and second groove (32) are aligned and the grooves form a circular and circumferential channel (41) shaped and dimensioned for receiving the elongated flexible locking member (30). (Figure 5a to be published with the abstract)

The present invention is provided to make stress generated between fixing portions of two members smaller than or equal to a fatigue limit without increasing sizes of parts or increasing the processing difficulty. In a two-member fixing structure of the present invention, a second member 6 includes a curved surface portion 6d with one end 6a1 of an outer circumferential surface 6a in a direction along a center line 1A as a start point 6d1. The first member 1 includes a pressed surface 1g formed by pressing a peripheral edge portion 1c2 of an inner circumferential surface 1c1, and a plastically deformed portion 1x1 plastically deformed radially inward of the outer circumferential surface 6a of the second member 6. A circle C1 intersects with the curved surface portion 6d, when the circle C1 is drawn with a radius being a length R1 of a line segment LS1 connecting the start point 6d1 and a radially outer end point 1g1 of the pressed surface 1g, while the radially outer end point 1g1 of the pressed surface 1g is the center of the circle C1. An angle θ1 formed between a tangent line LS2 that is in contact with the curved surface portion 6d at an intersection point CP between the circle C1 and the curved surface portion 6d and a line LS3 perpendicular to the center line 1A is larger than 0°.

The invention provides a fastening structure which can be firmly installed on one part to be installed and can be easily installed on the other part to be installed. The second member (4) to be mounted of the fastening structure (20) is connected to the first member (1) to be mounted via a jig (21) in a posture so as to face each other with a space therebetween. The jig (21) is configured from two members, i.e., a metal eyelet member (24) and a pin member (37). A first engagement section (22) of the jig (21) is attached to the first member (1) to be mounted in a non-expanded state, when the pin member (37) is pressed in and the first engagement section (22) is deformed to an expanded state, the jig (21) engages with the first member (1) to be mounted, the second member (4) to be mounted is attached to a second engagement section (23) of the jig (21), and when the jig (21) is rotated, the jig (21) engages with the second member (4) to be mounted.

The utility model belongs to the technical field of coupler shields, and particularly relates to a coupler shield capable of being rapidly installed. Comprising a shield body, a plurality of supporting legs are welded to the bottom of the shield body, guide pipes are inserted into the supporting legs, and bottom pipes are inserted into the guide pipes. According to the utility model, the shield can be quickly mounted without using a wrench, so that the mounting efficiency of the coupler shield is improved, and the spot inspection and maintenance time is saved.

A molded component has a metallic component body with a mounting opening and a friction structure surrounding the mounting opening. The component body consists of a boron-alloyed steel and is hot molded and press hardened. The friction structure is produced in the press tool during hot molding. In order to produce the component body, a hardenable steel sheet metal or a semi-finished product made of a hardenable steel sheet metal is heated to the molding temperature and molded into the component body in a press tool and press hardened. The mounting opening can be produced before heating to the molding temperature, before hot molding or after press hardening.

A molded component has a metallic component body with a mounting opening and a friction structure surrounding the mounting opening. The component body consists of a boron-alloyed steel and is hot molded and press-hardened. The friction structure is produced in the press tool during hot molding. The mounting opening is produced timely in parallel in the component body.

A frame for a swimming pool (100) is provided, a first beam (104) and a second beam (106) may be configured to connect to a frame member (102) to form a portion of the frame of the swimming pool, devices may be provided on the first beam and the second beam for attaching to the frame member, the orientation of the first beam may be adjusted relative to the second beam such that a circumference of a swimming pool is formed when the series of beams and frame members are each connected. In some embodiments, the frame member may include a receptacle, an insert, and a pin. The receptacle may include a first protruding portion for a first beam and a second protruding portion for a second beam. One or more pins may be used to attach the beams to the insert and the receptacle.

The present invention provides a bonded body having good coaxiality in which distortion is reduced by homogenizing residual stress in the circumferential direction of a bonded portion between a rod-shaped member and a mating member in plastic flow bonding, a method for manufacturing the bonded body, and a shock absorber using the bonded body and method. This method for manufacturing the bonded body comprises: first and second plastic flow steps for bonding a piston rod (rod-shaped member) and a solenoid case (mating member); first and second centering steps for correcting the misalignment between the axial center of the piston rod and the axial center of the solenoid case; and first and second stress homogenization steps for homogenizing the residual stress in the bonded portion over the entire circumference, and therefore the coaxiality and bonding strength of the bonded body can be simultaneously satisfied.

The utility model discloses a metal plastic composite structure which comprises a metal piece and a plastic piece, the metal piece is provided with a plurality of clamping bodies, the plastic piece is provided with a plurality of clamping grooves, the clamping bodies are matched with the clamping grooves in a one-to-one correspondence mode, and each clamping body comprises a clamping column and a clamping protrusion connected with the clamping column. The clamping groove is provided with a first end and a second end corresponding to the first end, the width of the clamping groove is gradually reduced from the first end to the second end, the width of the second end is smaller than the diameter of the clamping column, and the extending direction from the first end to the second end of the clamping groove is consistent with the rotating path of the plastic part. One end of the clamping column is connected with the metal piece, the other end of the clamping column is connected with the clamping protrusion, the clamping groove is an arc-shaped groove, the extending direction of the clamping groove is consistent with the rotating path of the plastic piece, the side wall of the clamping groove is made of elastic materials, the width of the second end of the clamping groove is smaller than the diameter of the clamping column, the clamping column is allowed to be pressed in and locked through elastic deformation, and the second end clamps the clamping column. And further, the metal piece and the plastic piece are fixed together.

The invention relates to a device (1) for fastening an electrical connector (2) to an electrical member (3) to be connected to a circuit, the device (1) comprising a socket (4), intended to be linked to one of the electrical connector (2) and the electrical member (3), and a pin (5), intended to be linked to the other of the electrical connector (2) and the electrical member (3), the pin (5) being inserted into the socket (4) so as to have facing cylindrical surfaces (7, 8) in tight contact with one another in order to establish an electrical and thermal connection between the electrical connector (2) and the electrical member (3).