134results 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.

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.

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 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).

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

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.

To provide a vehicle trim member fitting structure which can reliably prevent a clip for fitting a trim member from falling.SOLUTION: A vehicle trim member fitting structure comprises: a clip (2); a trim member (1) formed with an insertion hole (10) through which the clip (2) is inserted; a component (3) to be fitted to which the trim member (1) is fitted; and an intermediate member (4). The intermediate member (4) has: an engaging part (41) engaging with the component (3) to be fitted; and an engaged hole (40) in which the clip (2) inserted through the insertion hole (10) is engaged. Herein, fastening power of the intermediate member (4) to the component (3) to be fitted via the engaging part (41) is so set as to be smaller than fastening power of the clip (2) to the intermediate member (4) via the engaged hole (40).SELECTED DRAWING: Figure 3B

This invention provides a technology that can improve the rigidity of a joint in a steel joint structure having an adhesive layer. [Solution] The steel joint structure 2 comprises a first steel material 10 having a web 10B1 and a flange 10B2 as channel steel on at least a part of the first base material 11, an adhesive layer disposed on the web 10B1 surface of the first steel material 10, and a second steel material 20 having a plate surface that is superimposed on the web 10B1 surface of the first steel material 10 and in contact with the adhesive layer.

A battery pack and a vehicle including the same are disclosed. A battery pack according to an embodiment of the present invention comprises: a plurality of battery modules having a plurality of stacked battery cells; a pack case in which the plurality of battery modules are accommodated; and a fastening member for fastening the battery pack case, in which at least a portion of the fastening member is inserted into and fixed to the battery pack case, and the at least a portion of the fastening member is configured to melt or burn upon an increase in temperature.

An apparatus for processing pharmaceutical containers or components of pharmaceutical containers, and a securing device for detachably fastening a format part of an apparatus for processing pharmaceutical containers or components of pharmaceutical containers on a holding part of the apparatus. The format part has at least one container-specific, container-component-specific, or process-specific quality. The securing device includes a first securing element and a second securing element. The first securing element is arranged on or is part of the format part, and the second securing element is arranged on or is part of the holding part. The securing elements include magnetic elements that interact when the interconnected securing elements are in a securing position.

A fastener system for joining substrates of a workpiece with working and blind sides includes a binding barrel and a bolt. The binding barrel includes a cylindrical body with a proximal end, a distal end, a central bore and a flange. The central bore includes a counterbored portion and a threaded portion with internal threads. The binding barrel is inserted in a joining bore from the blind side. The barrel flange limits insertion of the binding barrel. The cylindrical body includes an outer surface with a lubricious coating. The bolt includes a head portion, a threaded portion and a shank portion. The bolt is inserted in the joining bore from the working side. The threaded portion engages with the binding barrel. As the bolt becomes fully engaged, the bolt causes radial expansion of the binding barrel, and the binding barrel provides an interference fit within the joining bore.

Included are a tubular bracket configured to be connected to one of a vibration generating portion and a vibration receiving portion and a first attachment member configured to be connected to the other, a tubular second attachment member inserted inside the bracket, and an elastic body connecting the first attachment member and the second attachment member. An inner circumferential surface of one end portion of the bracket including one end in an axial direction along a central axis has formed thereon a first portion against which an outer circumferential surface of the second attachment member is pressed, and a second portion that is positioned farther towards the one end in the axial direction than the first portion, has a larger inner diameter than the first portion, and abuts against or is in proximity with the outer circumferential surface of the second attachment member.

Fastening device (10) for screwing components in a commercial vehicle (20), wherein the fastening device (10) comprises a first component (11) with bores (11.1) and a second component (12) with bores (12.1), as well as several fastening screws (13) each with a screw head, which connect the first and the second component (11,12) to each other by means of a screw connection through the bores (11.1,12.1), wherein a screw plate (15) is provided which has several recesses (16) and nuts (14) which are inserted or pressed into these recesses (16) in a form-fitting manner, wherein the respective fastening screws are screwed into the nuts (14) in such a way that the first component (11) and the second component (12) are clamped between the screw heads of the fastening screws (13) and the nuts (14).

A method to interlock two components (3, 4) of an automatic machine for manufacturing or packing consumer articles. The method comprises the steps of: manufacturing a first component (3) with a recess (6); manufacturing a second component (4) with a projection (7) reproducing the shape of the recess (6) through additive manufacturing; and joining the two components (3, 4) by inserting and locking the projection (7) of the second component (4) in the recess (6) of the first component (3). The projection (7) has a plurality of protuberances (11) configured to interfere with the recess (6), and the insertion of the projection (7) of the second component (4) into the recess (6) of the first component (3) causes the progressive deformation of all the protuberances (11).

The utility model provides a connecting mechanism and a connecting piece for realizing double-layer parallel or non-parallel planes and curved surfaces, and the connecting mechanism comprises the connecting piece which is provided with a main body part, and a first end part and a second end part which are far away from each other; the first plate is connected to the first end part; the second plate is connected to the second end part; the outer diameter of the first end and the outer diameter of the second end are smaller than the outer diameter of the body part, the first end extends towards the direction where the first plate is located to abut against an inner wall material of the first plate, and the second end extends towards the direction where the second plate is located to abut against an inner wall material of the second plate. According to the utility model, the first end part and the second end part are respectively provided with the flower tooth part, or one of the first end part and the second end part is provided with the flower tooth part, so that the first plate and / or the second plate can be in interference connection.

A lighting device having a printed circuit board with an aperture. A sealing mechanism is used to seal at least a portion of the sidewall of the aperture from fluid ingress. A washer of the sealing mechanism has a protruding portion that extends into the aperture and presses a gasket against a portion of the sidewall of the aperture, to thereby seal said portion. The protruding portion engages or secures to the sidewall using an interference fit in order to provide the force for pressing the gasket.

When different parts are docked, a docking system maintains a secure docking position, ensured by a magnetic locking mechanism and a mechanical connection. The docking system also prevents gaps from forming in various directions during docking, including upwards, downwards, left, and right, thus ensuring the durability and quality of the individual parts.