13results about How to "Strong joint" patented technology

The invention relates to the technical field of clutch structures, and discloses a wet clutch structure which mainly comprises a piston, a clutch outer drum, a clutch inner drum and a movable part. The clutch outer drum and the driving piece are connected and jointly form a cavity, the piston is movably arranged in the cavity, and the cavity is divided into a first oil cavity and a second oil cavity through the sealing piece. The driving piece is provided with a first oil way, a second oil way and a containing cavity for containing the movable part, and the first oil way and the second oil way communicate with the two oil cavities correspondingly. The movable part can block at least one opening in the first oil way or the second oil way under hydraulic drive, and the pressure of hydraulic oil relative to the piston is adjusted, so that connection of an inner drum and an outer drum of the clutch is controlled, and transmission of power from a driving piece to a driven piece is achieved. According to the structure, the flowing direction of hydraulic oil and the pressure on the piston are adjusted through the movable part, the response speed and operation precision of the clutch are improved, and the clutch is suitable for various application scenes needing efficient power transmission.

The utility model provides a needle tube structure and an endoscope interventional instrument, and relates to the technical field of endoscope medical instruments, the needle tube structure provided by the utility model comprises a needle tube body and a high polymer material tube body arranged in the needle tube body; at least one groove hole is formed in the side wall of the needle tube body, and the high polymer material tube body is fixed in the groove hole in a matched mode. According to the needle tube structure and the endoscope interventional instrument, it can be ensured that the high polymer material tube body is stably connected relative to the needle tube body, a guide wire penetrating through the needle tube body can be prevented from being scratched and damaged by the needle tube body, the stability of the high polymer material tube body is enhanced, and the risk that the high polymer material tube body falls off is reduced.

The transmission clutch device comprises a first shaft piece, a second shaft piece and a switching assembly, the first shaft piece is provided with a through axial hole and at least one radial hole which penetrates through the peripheral side and communicates with the axial hole, the second shaft piece movably penetrates through the axial hole, the second shaft piece is provided with at least one spherical notch groove located in the peripheral side, and the switching assembly is arranged in the spherical notch groove. The switching assembly comprises limiting parts, a pressing cap, an elastic piece and a ball piece, the limiting parts are fixedly connected to the peripheral side of the first shaft piece, the peripheral side of the first shaft piece is movably sleeved with the pressing cap and the elastic piece, the pressing cap and the elastic piece are sequentially arranged between the two limiting parts in the axial direction of the first shaft piece, the pressing cap is provided with a butt joint groove located in the inner peripheral side, and the ball piece is arranged in the butt joint groove. The ball piece is movably installed in the radial hole and has a joint state in which the ball piece is attached to the wall face of the spherical notch groove and a separation state in which the ball piece is partially contained in the butt joint groove and separated from the spherical notch groove. The device has the advantages of being compact in structure, convenient to operate, stable in connection and thorough in separation.

A welding structure in which a plurality of members are firmly joined by high weldability while suppressing the width required for welding is provided. In a method of manufacturing the welding structure 10, in a total length L of laser welding in which one laser welding portion 50 is formed, a portion at which laser welding is started from a middle region M of the total length L is set as a first start end portion 51, first laser welding is performed toward one end portion of the total length L, and second laser welding is performed toward the other end portion of the total length L including the first start end portion 51.

A battery module according to an embodiment of the present disclosure includes: a battery cell stack in which battery cells are stacked in a first direction; and at least one bus bar located on one side or both sides of the battery cell stack. The electrode leads protrude from the battery cells in a second direction perpendicular to the first direction. The bus bar includes a first portion and a second portion extending from the first portion at a prescribed angle to one surface of the first portion, and the electrode lead is bonded to the second portion.

The invention discloses a 10kV outdoor insulation high-voltage isolation switch and an operation method thereof. The 10kV outdoor insulation high-voltage isolation switch comprises at least one phase of contact unit, each phase of contact unit comprises a support, a moving contact assembly, a first static contact assembly, a second static contact assembly and a shell, the lower end of the support is arranged in the shell in a penetrating mode, a rotatable insulation main shaft is arranged at the lower end of the support in a penetrating mode, and a pull rod is arranged on the insulation main shaft. The insulating main shaft is sleeved with the moving contact assembly, the first static contact assembly and the second static contact assembly are arranged in the shell in a penetrating mode, the first static contact assembly and the second static contact assembly are arranged on the two sides of the insulating main shaft respectively, the first static contact assembly and the second static contact assembly are connected with the support, and the lower end of the shell is provided with a flexible insulating lower cover; wherein the pull rod can rotate to drive the insulating main shaft to rotate so as to drive the moving contact assembly to rotate, and the flexible insulating lower cover can retract or expand outwards. The operation method of the 10kV outdoor insulation high-voltage isolation switch is based on the 10kV outdoor insulation high-voltage isolation switch.

A lead frame and a light-emitting packaging element are disclosed. The lead frame includes a lead frame and a plurality of lead frame units located within the lead frame and integrally connected to it, arranged periodically and interconnected. Each lead frame unit includes a chip mount and a connecting unit. The chip mount has a first electrode pad and a second electrode pad spaced apart along a first direction. The connecting unit is used to connect the lead frame and the chip mount integrally. The first electrode pad and the second electrode pad each have a top surface and a bottom surface facing away from each other, and a peripheral surface connecting the top surface and the bottom surface. At least one of the first electrode pads and the second electrode pad has a wave-shaped structural unit on its peripheral surface. The wave-shaped structural unit on at least one of the first electrode pads and the second electrode pad provides stress resistance in different directions, thereby improving the structural strength of the light-emitting packaging element.

Provided are a photoelectric sensor that can fully prevent dirt and can be firmly joined to a frame, and a method for manufacturing the same. A frame (12) in the photoelectric sensor (10) has an opening (121) through which at least one of light from a light projecting unit (14) and light toward a light receiving unit (16) passes, and is provided with a cover lens (50) that covers the opening (121) and transmits light. The cover lens (50) is joined to an edge (121a) of the frame (12) that defines the opening (121). An antifouling coating (61) is applied to an outer surface (51) of the cover lens (50), while an antifouling coating (61) is not applied to a joining portion (52a) of an inner surface (52) of the cover lens (50) that contacts the edge (121a).

The present application discloses a two-speed dry dual clutch for pure electric vehicles, wherein one end of the C2 disc hub of the C2 driven disc is embedded in the driving disc hub of the driving disc and is coaxially connected to the driving disc, and the other end is embedded in the C1 disc hub of the C1 driven disc and is coaxially connected to the C1 driven disc; it also includes a pull rod, a guide rod, a C1 guide sleeve, a C1 release spring, a C2 guide sleeve and a C2 release spring. The problem that the two driven discs of the open dual clutch cannot be centered without the main shaft inserted is solved, while the design requirements of the intermediate positioning bearing are saved and the axial space is reduced. Moreover, a reset mechanism is constructed by using the guide rod, the C1 guide sleeve, the C1 release spring, the C2 guide sleeve and the C2 release spring, and the application of the pull rod is used to achieve the stable separation and engagement of the C1 clutch and the C2 clutch. It has a very good burst speed, can stably complete the engagement and separation of the clutch at a high speed, and better meet the application requirements of the dual clutch of pure electric vehicles.

The invention provides a method for manufacturing a reactor and a reactor, wherein a molded core and a molded coil are firmly jointed, and a welding part of a bus bar and a lead wire is prevented from being damaged. A method for manufacturing a reactor includes: a bonding step of bonding a molded core and a molded coil with an adhesive; and a welding step in which the lead wire of the coil is connected to the bus bar fixed to the mold core by welding. The coil is attached to the leg portion. The bonding step includes: a coating step in which an adhesive is applied to the bonding surface of the leg portion of the core member and the inner peripheral surface of the yoke portion of the core member; a pressing step for pressing and spreading the applied adhesive; and a hardening step for hardening the adhesive. In the pressing step, the adhesive applied to the bonding surface is pressed and spread out to be extruded to at least one of the upper surface and the lower surface of the leg part, and extruded to at least one of the inner side surface of the leg part and the outer side surface opposite to the inner side surface of the leg part, which are the surfaces of the leg part facing each other, and the adhesive is attached to the molded coil.

Provided is a bonded body, in which a piezoelectric material substrate (1A) is firmly and stably bonded to a supporting substrate (3) via a bonding layer containing silicon oxide with a low oxygen ratio. The bonded body (8A) comprises: a supporting substrate (3); a piezoelectric material substrate (1A); a first bonding layer (4A) disposed on the supporting substrate (3) and composed of Si (1‑x) O x (0.008≤x≤0.408); a second bonding layer (2A) is disposed on the piezoelectric material substrate (1A) and is composed of Si (1‑y) O y (0.008≤y≤0.408); and an amorphous layer (7) disposed between the first bonding layer (4A) and the second bonding layer (2A). The oxygen ratio in the amorphous layer (7) is higher than the oxygen ratio in the first bonding layer (4A) and the oxygen ratio in the second bonding layer (2A).

Provided is a bonded body, in which a piezoelectric material substrate is firmly and stably bonded to a supporting substrate containing a metal oxide via a bonding layer containing silicon oxide with a low oxygen ratio. The bonded body (5, 5A) comprises: a supporting substrate (1) containing a metal oxide; a piezoelectric material substrate (4, 4A); a bonding layer (2B) disposed between the supporting substrate and the piezoelectric material substrate and composed of Si (1－x) O x (0.008≤x≤0.408); and an amorphous layer (10) disposed between the bonding layer and the support substrate. The oxygen ratio in the amorphous layer (10) is higher than the oxygen ratio in the support substrate (1).