210results about "Shrinkage connections" patented technology

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.

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.

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).

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 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 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).

A cabling system 100, an electromechanical device 200, a load handling device (figure 18, 300) and a system using the cabling system are disclosed. A cabling system 100 is suitable for use with an ele

The utility model discloses a hold-down ring structure which comprises two connecting rings, one ends of the two connecting rings are communicated with fixing rings, and one ends of the two fixing rings are communicated with a first inner ring and a second inner ring respectively. The first right-angle sawteeth and the second right-angle sawteeth arranged on the first inner ring and the second inner ring are meshed with each other, the sawtooth-shaped structure can provide high anti-sliding performance, particularly when the pressing ring is subjected to large external force or vibration, the sawteeth of the two combination pieces are meshed with each other, friction force is increased, the pressing ring is prevented from loosening, and the service life of the pressing ring is prolonged. The clamping ring is especially important for application scenes needing to bear high load or vibration for a long time, the clamping ring can be fixed without an additional locking device due to the self-locking effect formed by mutual meshing, the loosening phenomenon caused by thermal expansion, vibration or external force influence in the long-time using process can be effectively avoided through the design, and the service life of the clamping ring is prolonged. And the safety is improved.

An animal containment system 100 (Figure 1) comprises: a frame comprising a plurality of edge rods 104 (Figure 1) having a hollow square cross-section, the edge rods defining a cuboid shape of the fra

To provide a cylindrical member assembling device that can assemble a cylindrical member made of an elastic body into another cylindrical member easily and efficiently.SOLUTION: A control part 40 controls a cylindrical moving part 20 so that the cylindrical moving part moves a first cylindrical member 70 and therefore one end part 701 of the first cylindrical member 70 separates from one end part 801 of a second cylindrical member 80 by a predetermined distance. The control part 40 controls a gas supply part 30 so that the gas supply part supplies gas into the first cylindrical member 70 to enlarge the one end part 701 of the first cylindrical member 70 toward outside in a radial direction. The control part 40 controls the cylindrical moving part 20 so that the cylindrical material moving part moves the first cylindrical member 70 in an axial direction and therefore the one end part 701 of the first cylindrical member 70 is positioned outside in the radial direction of the one end part 801 of the second cylindrical member 80, which can assemble the first cylindrical member 70 into the second cylindrical member 80.SELECTED DRAWING: Figure 3

According to some embodiments, a fastener is disclosed. The fastener comprises a first portion to be coupled to a wall, a second portion to be coupled to signage and a middle connector. The middle connector is coupled to the first portion and is also magnetically coupled to the second portion.

The invention discloses a pre-tightening force-based anti-loose ultra-deep blind hole large-size high-strength bolt which is characterized by comprising a head part, a rod body and a tail part with a thread which are connected in sequence, a blind hole is formed in the head portion and the rod body along the central axis of the high-strength bolt, and a spiral flow guide groove continuously extending to the bottom of the blind hole is formed in the inner wall of the blind hole. The invention further discloses a turbine disc connecting structure, and the turbine disc connecting structure is formed by heating, connecting and assembling a plurality of turbine discs through the high-strength bolt. According to the large-size high-strength bolt which does not need an additional anti-loosening structure and is provided with the ultra-deep blind hole, stable pre-tightening force can be continuously kept under the complex working condition of the gas turbine only by means of tension pre-tightening, it is ensured that three-stage turbine disc connection is gapless, the coaxiality and rigidity reach the standard, and the problems that rotor vibration exceeds the standard, and parts are damaged due to fatigue are effectively avoided. Meanwhile, the bolt structure and turbine disc assembling process is simplified, the number of parts is reduced, the manufacturing cost and maintenance difficulty are reduced, and the overhaul downtime is shortened.

To provide a fixing structure of an insulating sheet in which the number of components and the number of assembling man-hours are small, and reduction in fixing force due to heat, vibration or the like hardly occurs, and to provide a manufacturing method capable of easily manufacturing the fixing structure of the insulating sheet.SOLUTION: A fixing structure of an insulating sheet according to the present invention includes an insulating sheet made of a resin material, and a protected object fixed by the insulating sheet and insulated and protected by the insulating sheet, wherein the protected object includes a base body having a first surface and a second surface having a front-back relationship with each other, and a through hole penetrating the base body from the first surface to the second surface, the insulating sheet includes a flat plate portion extending in a flat plate shape along the first surface, an expansion portion located outside the through-hole of the second surface, and a coupling portion that couples the flat plate portion and the expansion portion and is inserted into the through-hole.SELECTED DRAWING: Figure 1

The present invention provides a press-fit structure, a press-fit member, and a press-fit member that offer excellent manufacturability and enable the acquisition of a larger pull-out load. [Solution] A press-fit structure in which a cylindrical, elastically deformable synthetic resin outer cylinder 2 is press-fitted into a press-fit hole 1A, wherein the press-fit hole 1A has a small-diameter portion 1B in which a portion with the same inner diameter D1 smaller than the outer diameter D2 of the resin outer cylinder 2 is continuous in the press-fit direction, and an enlarged-diameter portion 1C provided behind the small-diameter portion 1B in the press-fit direction and connected to the small-diameter portion 1B, and gradually expanding in diameter toward the back.