35results about How to "Simplify fastening structure" patented technology

A land grid array (LGA) connector includes an insulative housing, a number of contacts received in the insultive housing, a stiffener disposed around the insulative housing, a metallic clip rotatably mounted to the stiffener, and a lever rotatably mounted to the stiffener to lock the metallic clip to the stiffener. The insulative housing defines a substantially rectangular cavity in a middle thereof adapted for receiving an electronic package therein. The metallic clip is disposed against the housing to press the electronic package upon the contacts. The metallic clip is configured by a single strip with a predetermined arrangement and then formed through bending.

A stack for a fuel cell system which can include a simplified fastening structure and a fuel cell system having the stack are shown. The stack includes at least one electricity generator, a housing, and a cover. The electricity generator includes a MEA and separators located on both surfaces of the MEA. The housing has an internal space in which the electricity generator is positioned, and a cover coupled to the housing to fix the electricity generator in place. A number of various mechanisms are shown for holding the housing and the cover together and for fixing the stacks in place. A number of reinforcing elements and structural shapes are also shown that yield a stronger housing and cover assembly that resists buckling and other forms of stress.

Provided is a rear suspension mounting structure for an electric vehicle, which can reduce the overall weight and can enhance steering stability by forming a torsion beam and a trailing arm using different materials. In one embodiment, the rear suspension mounting structure includes a hub fastened to the center of a wheel, a trailing arm including a housing producing an internal space and an arm bush extending to one side of the housing, a torsion beam bolt-coupled to the arm bush through a coupling plate, a motor coupled to the internal space of the housing and supplying a driving force, a motor cover provided in the internal space of the housing, and a driving speed reducer provided at the outside of the motor cover in the internal space of the housing, wherein the torsion beam and the trailing arm are formed using dissimilar metals.

A vehicle lower section structure includes: a suspension member, formed in a frame shape, including left and right side-rails extending in a vehicle front-rear direction, and front and rear cross members coupling the left and right side-rails together in a vehicle width direction; a contactless charger fastened to both a left side and a right side of a front portion and a rear portion of the suspension member, and being supported by the suspension member; and an electrical component disposed above the contactless charger and is electrically connected to the contactless charger, the electrical component is fastened to both the left side and the right side of the front portion and the rear portion of the suspension member and is supported by the suspension member.

An active hood apparatus for a vehicle may include a vehicle body bracket including a guide slot formed upwardly, an operation pin having one end configured to be inserted and slid into the guide slot and the other end connected to a hood by a link, an operation link pivotally coupled to the vehicle body bracket by a hinge pin and having one end configured for contacting the one end of the operation pin to slide the one end of the operation pin upwardly along the guide slot simultaneously with moving the operation pin in a length direction of one end at the time of being rotated, and an inflator rotating the operation link at the time of applying an operation signal thereto.

The invention discloses a device for transferring neodymium iron boron blank. The device comprises a material arranging box, a concave baffle and a convex baffle. The concave baffle is located in thematerial arranging box and is arranged parallel to a side plate of the material arranging box. A concave portion is formed in one end of the concave baffle in the length direction. The convex baffle is located in the material arranging box and perpendicular to the concave baffle, and a convex portion passing through the concave portion is arranged at the end, adjacent to the concave baffle, of theconvex baffle in the direction away from the convex baffle. When the concave baffle moves relative to the convex baffle in the length direction of the convex portion until the plate surface of the concave baffle abuts against the neodymium iron boron blank, and the convex baffle moves relative to the concave baffle in the length of the concave portion until the plate surface of the convex baffleabuts against the neodymium iron boron blank, the concave baffle and the convex baffle are fixed into the material arranging box separately through a set of fastening assemblies. The device for transferring the neodymium iron boron blank has the effects of reducing the proportion of edge breakage of the neodymium iron boron blank during transportation and improving the efficiency of material arranging.

A fluid-filled vibration damping device including: a rubber elastic body elastically connecting a first and second mounting member and partially defining a pressure-receiving chamber filled with a non-compressible fluid; a flexible layer partially defining an equilibrium chamber filled with the non-compressible fluid; an orifice passage permitting a fluid communication between the pressure-receiving chamber and equilibrium chamber; and a cushion surface situated opposite to an opening of the orifice passage to the pressure-receiving chamber in a first direction of flow of the fluid into and out of the opening, with a predetermined distance therebetween, while extending in a second direction approximately perpendicular to the first direction.

The invention provides an underwater emergency rescue system and an underwater rescue method based on the rescue system, relates to the technical field related to underwater rescue equipment, and aims to solve the problems that in the prior art, a traditional sunken ship chain type salvage method needs large rescue equipment and is low in rescue speed. The underwater emergency rescue system comprises hoisting equipment and an underwater welding device, wherein the underwater welding device is used for welding a stud on a sunken ship, a hanging ring is installed on the welded stud, the hoisting equipment is installed on a working ship or a coast, and a cable is connected with the hoisting equipment so as to hoist the sunken ship through the hoisting equipment. Underwater stud welding is adopted, a force exerting gripper is rapidly welded to an object to be fished, hoisting as soon as possible is facilitated, and rapid underwater emergency rescue is achieved.

A fastening structure including a base pillar, a pair of elastic arms, and a top pillar is provided. The base pillar is assembled to an object, the elastic arms are connected between the top and the base pillars, and a gap is provided between the elastic arms. The top pillar is adapted to stretch or compress the elastic arms when an external force is exerted to reduce or expand the gap. The top pillar and the elastic arms pass through a through hole of a connector when the elastic arms are stretched to reduce the gap to make the connector contact the base pillar. After the force is removed, the gap between the elastic arms is restored to fasten the fastening structure between the elastic arms and the base pillar in a floating state. An electronic assembly and an operating method of the fastening structure are also provided.

The invention discloses a reliability test system and a printed circuit board assembly thereof. The printed circuit board assembly comprises a substrate, a base and fastening structures, the substrateis provided with slot connectors, two ends of the slot connectors are lug buckles, the substrate is provided with installing holes corresponding to the lug buckles, the base is arranged at one side,opposite to the slot connectors, of the substrate, and the fastening structures penetrate through the installing holes to fixedly connect the lug buckles of the slot connectors and the base. The otherside of the substrate, opposite to the slot connectors, is provided with the base, and the slot connectors and the base are fixedly connected through the fastening structures so that a plugging forceapplied to the slot connectors during frequent plugging of a to-be-detected circuit board can be transmitted to the base through the fastening structures, the base is regarded as the stress carrier of the plugging force, the damage to the substrate is avoided, and the service lifetime of the substrate is prolonged.

The invention discloses a lamp post system based on a groove mounting structure. The system involves a lamp post main body, more than one mounting base and more than one functional part, wherein the lamp post main body is provided with a mounting groove extending in the length direction, the mounting base is provided with a connecting part arranged in the mounting groove, the mounting base is connected with a positioning mechanism used for fixing the connecting part in the mounting groove, and at least one functional part is arranged on at least one mounting base. The system has the advantagesof being simple and compact in structure, low in cost, easy and convenient to assemble, high in mounting flexibility, convenient to adjust, good in aesthetic property, good in connection stability and reliability and the like.

The invention discloses a lamp post system adopting a groove mounting structure. The lamp post system comprises a lamp post main body and one or more functional parts, the lamp post main body is provided with one or more mounting grooves extending in the length direction, each functional part is connected with one or more connecting parts through a detachable connecting mechanism, each connectingpart is detachably mounted in the corresponding mounting groove, and one or more supporting parts for preventing the functional parts from moving relative to the lamp post body are arranged between the functional parts and the lamp post body correspondingly. The system has the advantages of simple and compact structure, low cost, simplicity and convenience in assembly, convenience in adjustment, good attractiveness, good connecting stability and reliability and the like.

The invention belongs to the field of lasers, and particularly relates to a femtosecond laser for material processing, and is characterized in that a bimirror refraction block is fixed at one side of a pulse light source and an optical resonator, a totally-reflecting mirror is fixed between the bimirror refraction block and the optical resonator, a semi-reflecting mirror, a prism A, an optical axis drift correction lens, a prism B and a beam splitter are fixed at the other side of the optical resonator in sequence, a thin lens A, a frequency doubling crystal A, a laser output coupling mirror A and a focusing lens A are fixed at one side of the beam splitter in sequence, a thin lens B, a frequency doubling crystal B, a laser output coupling mirror B and a focusing lens B are fixed at the other side of the beam splitter in sequence, laser output ports arranged on a laser shell and extends outward to form laser output port fixing trays, reflectors are fixed outside the laser output ports respectively, and fixing groove covers of reflector shells sleeve the outside of the laser output port fixing trays and are fastened through bolts.

To improve appearance and maintainability of a component in a vehicle body cover considering connection structure of the vehicle body cover component. The scooter type vehicle has a step floor (23) as a low-floor type floor, a power unit (14) suspended oscillatingly at a rear frame (12), an air cleaner (18) installed at the upper part of the power unit (14), and the upper part of the air cleaner (18) covered with the vehicle body cover (21). The lower part of the vehicle body cover (21) is hung to be overlapped with the air cleaner (18) in side view, the part overlapped with the air cleaner (18) of the vehicle body cover (21) is divided into a front part cover (37) and a rear part cover (38), and the front part cover (37) is provided in succession to the step floor (23).

The invention relates to a diesel engine postprocessor support. The diesel engine postprocessor support comprises a base and a tight hooping piece matched with the base. The base is fixedly arranged on a diesel engine. The base and the tight hooping piece are matched to form a ring body. The ring body tightly hoops a postprocessor, the base is provided with first installing holes, second installing holes are formed in the two ends of the tight hooping piece, and the base and the tight hooping piece are fixedly connected in the manner that connecting pieces are inserted in the first installingholes and the second installing holes in a penetrating manner. By means of the postprocessor support, the postprocessor is easy to dismount and mount, a fastening structure is simple and convenient toinstall, rusting is not likely to happen, the maintaining time and expense are saved, and reliability of a postprocessing system is improved.

The invention discloses a lamp post system adopting a groove mounting structure. The lamp post system comprises a lamp post body and one or more functional parts, the lamp post body is provided with an installation groove extending in the length direction, connecting parts corresponding to the functional parts are detachably installed in the installation groove, and the functional parts are connected with the corresponding connecting parts through detachable connecting mechanisms. The system has the advantages of simple and compact structure, low cost, simplicity and convenience in assembly, convenience in adjustment, good attractiveness, good connecting stability and reliability and the like.

A stack for a fuel cell system which can include a simplified fastening structure and a fuel cell system having the stack are shown. The stack includes at least one electricity generator, a housing, and a cover. The electricity generator includes a MEA and separators located on both surfaces of the MEA. The housing has an internal space in which the electricity generator is positioned, and a cover coupled to the housing to fix the electricity generator in place. A number of various mechanisms are shown for holding the housing and the cover together and for fixing the stacks in place. A number of reinforcing elements and structural shapes are also shown that yield a stronger housing and cover assembly that resists buckling and other forms of stress.