Abstract: An assembly method and a structure of a control device are introduced. The control device includes a head and a body. The head includes a stopping portion, and the body includes a corresponding stopping portion. The head is movably assembled with the body upon pressurizing the head or the body by an external force. Thus, the head and the body can be quickly assembled into a control device, while achieving effects of easy assembly and better stability after the assembly.

Abstract: An anti-loose structure includes a head, a body and an anti-loose member. The head includes an engaging portion for assembling with a first object or a second object. The body is joined with the head. The anti-loose member is provided between the head and the body or between the head and the first object, and can be abutted against the head and the body or abutted against the head and the first object to prevent loosening of or to tighten the engaging portion assembled at the first object or the second object. Thus, once the engaging portion is engagingly connected to the first object or the second object, the engaging portion assembled at the first object or the second object is tightened by using the anti-loose member, so as to prevent loosening or moving of the first object or second object, thus achieving an effect of secure joining.

Abstract: A welding connection element includes a body and an assembly portion. The body includes a fitting fastening portion having an elastic withdrawal space. The elastic withdrawal space is capable of elastically withdrawing two or more fastening portions, so as to enable the fastening portions to be receivingly fastened in another object. The welding connection element has a welding surface configured to be welding connected to a welding surface of the object. The welding surface of the object is provided in advance with a solder layer configured to be heated and to welding connect the welding connection element and the welding surface of the object. The welding connection element is provided at a carrier in advance, taken out by a tool, compared with an assembly position of the object by a comparison device, and placed at the assembly position by the tool so as to be assembled with the object.

Abstract: A fittable and releasable fastener includes a head which has a fitted and released portion and a fastening portion; and a fitting and releasing piece which has a fitting and releasing portion. Accordingly, when the fitting and releasing portion fits to the fitted and released portion, an external turning force is applied to the fitting and releasing piece or the head to make the fastening portion combine with at least one object. After the fastening portion is combined with the object, the fitting and releasing portion would release the fitted and released portion to limit the force or the force interval applied on the fastening portion for preventing excessively locking if the force is continuously applied.

Abstract: A pull-out aiding device includes a pulling component and a gripping component. The pulling component includes a first pivotal connection portion and a corresponding portion. The corresponding portion abuts against a target. The gripping component includes a second pivotal connection portion and an operating portion. The second pivotal connection portion is pivotally connected to the first pivotal connection portion, such that the gripping component rotates about the second pivotal connection portion.

Abstract: A lateral locating device includes a body, which is for assembling in a first direction thereof to a first object. The body has in a second direction a fastening portion or a leaning portion for fastening connecting, interfering or bearing in the second direction a second object or another object. Thus, the body can be securely coupled at the first object, and the second object or the another object can be coupled or removed by using the fastening portion or the leaning portion, so as to complete coupling or separation of at least two objects, achieving the effect of repeated quick coupling and separation.

Abstract: A fastener operating structure includes a holding base and a fastening-connecting unit. The holding base is disposed at a first object. The fastening-connecting unit is movably disposed at the holding base. The fastening-connecting unit is fastened to a second object. Consequently, the holding base is disposed at the first object, and the fastening-connecting unit is coupled to or removed from the second object, so as to couple together and separate the first and second objects repeatedly and quickly.

Abstract: A movable handle includes a movable member and a seat, both of which can be made of a plastic, a metal or a composite material. The movable member includes a main body and a bent portion. The main body can be bar-shaped, block-like, ball-shaped, wedge-shaped or in any other suitable shape, and the bent portion can be bent inward, outward or in any other direction relative to the main body. The main body of the movable member is movably assembled to the seat, and the seat is connected to a first object, such that the movable member is indirectly connected to the first object via the seat and can be turned or moved upward and downward or leftward and rightward on and relative to the first object.

Abstract: A structure and method for retaining fastening element solder are introduced. The structure includes a fastening element which has a solderable surface and a fastening portion or a hole portion. One end of the hole portion or the fastening portion has a retaining portion. During a soldering heating process, solder flows into or enters the retaining portion to cool down and solidify. The solidified solder is retained in the retaining portion. The fastening element is firmly coupled to a first object because of coordination between the solderable surface and the retaining portion, and the second object is coupled to or removed from the fastening element because of coordination between the fastening portion and the hole portion, so as to couple together and separate the first and second objects repeatedly and quickly.

Abstract: A buoyant fastener structure includes a body portion and a fastening element. The body portion has a rotation-preventing portion and a position-limiting portion. The fastening element has a position-corresponding rotation-preventing portion, a position-corresponding position-limiting portion and a fastening portion. The rotation-preventing portion and the position-corresponding rotation-preventing portion prevent each other from rotating. A rotation-preventing buoyancy level exists between the rotation-preventing portion and the position-corresponding rotation-preventing portion. The position-limiting portion corresponds in position to and limits the position of the position-corresponding position-limiting portion. Therefore, the body portion is coupled to a first object, whereas the fastening portion is coupled to or removed from a second object, so as for the first and second objects to be coupled together and separated, repeatedly and quickly.

Abstract: A sliding positioning structure includes a seat, a first fastening body and a second fastening body. The first fastening body is movably assembled at the seat. The second fastening body is provided at the seat, and is for longitudinally fastening, latitudinally fastening or rotationally fastening to a first object. Accordingly, the seat can be quickly assembled with the first object by using the second fastening body, and be coupled with or removed from a second object by using the first fastening body, thereby accomplishing coupling or disengagement of two objects and achieving effects of repeated and quickly coupling and disengagement.

Abstract: A quick release connecting device includes an actuating retainer and a fixing member movably assembled to the actuating retainer. The fixing member includes a pivot portion and a pivot member movably mounted to the pivot portion; and the pivot member is coupled with a second object. The fixing member includes a limiting section and the pivot member includes a corresponding limiting section, such that the limiting section and the corresponding limiting section limit or stop each other at a specific location when the fixing member is moved or rotated. With these arrangements, the quick release connecting device can be applied to conveniently and repeatedly connect and separate a circuit board, a drawer, or a window to and from a corresponding rack, chassis, cabinet or window frame. The pivot member may be a pin that passes through a hole in the second object is retained by deformation of an end of the pin or by deformation of a portion of the second object.

Abstract: A soldering fastening element, a structure thereof and a method for soldering the soldering fastening element to a circuit board are introduced. The soldering fastening element is soldered to a first circuit board so as for a second board to be coupled thereto. The soldering fastening element includes a body soldered to the first circuit board, a head for fastening the second board in place, and a neck which connects the body and the head. When in use, the soldering fastening element is contained in a carrier, taken out of the carrier with an automated tool, transferred to the first circuit board, and heated through a solder layer on the first circuit board such that the body gets soldered to the first circuit board to form a module member. Therefore, the second board gets coupled to the first circuit board through the head and neck.

Abstract: A rotary motion structure comprises a limiting member and a rotating member. The limiting member defines a mounting portion; and the rotating member is rotatably provided on the limiting member and includes a shaft portion, which is provided through the mounting portion. Accordingly, the rotary motion structure described above is preferably applied to form a handle device having a positioning function, in which the rotating member is rotated relative to the limiting member so that the rotating member can have the positioning efficacy of automatic positioning, frictional positioning, temporary positioning, or fixed positioning.

Abstract: A movable handle includes a movable member and a seat, both of which can be made of a plastic, a metal or a composite material. The movable member includes a main body and a bent portion. The main body can be bar-shaped, block-like, ball-shaped, wedge-shaped or in any other suitable shape, and the bent portion can be bent inward, outward or in any other direction relative to the main body. The main body of the movable member is movably assembled to the seat, and the seat is connected to a first object, such that the movable member is indirectly connected to the first object via the seat and can be turned or moved upward and downward or leftward and rightward on and relative to the first object.

Abstract: A soldering fastening element and a method for mounting the soldering fastening element are introduced. The soldering fastening element is soldered to a first circuit board so as for a second board to be coupled thereto. The soldering fastening element includes a body soldered to the first circuit board, a head for fastening the second board in place, and a neck which connects the body and the head. When in use, the soldering fastening element is contained in a carrier, taken out of the carrier with an automated tool, transferred to the first circuit board, and heated through a solder layer on the first circuit board such that the body gets soldered to the first circuit board to form a module member. Therefore, the second board gets coupled to the first circuit board through the head and neck.

Abstract: A control device includes a head portion and a body portion. The body portion is movably fitted to the head portion. Lateral buoyancy level, vertical buoyancy level or rotational buoyancy level between the head portion and the body portion enables the shifting, tightening, restrictive abutment or rotational abutment between the head portion and the body portion. Therefore, the body portion of the control device is fitted to a body portion of a first object, and the head portion of the control device engages or removes a second object, so as to achieve the coupling and separating of the first and second objects. Hence, the control device can couple together and separate the first and second objects repeatedly and rapidly.

Abstract: A handle structure includes a handgrip body and at least one rotating body. The rotating body is pivotally connected to the handgrip body, the rotating body is used to pivotally connect a first object, and when rotating, the rotating body drives the handgrip body to move toward the first object for reducing the height of the handle structure. Therefore, the handle structure can make a handgrip body moved out toward a direction distant from the first object when used, and can make the handgrip body moved in toward a direction of the first object when not in use for reducing the height of the handgrip body so as to operate and use easily and prevent collision.

Abstract: A fastener structure includes a fixing member and an operating member. The fixing member includes a limiting section and a body portion; and the operating member includes an operating section, a retaining section and an engaging section connected to the body portion. The body portion can be mounted to an object, and the operating section can be manipulated to move the engaging section on the body portion and to fasten the retaining section to another object. When the operating section is manipulated reversely, the retaining section can be released from the other object to thereby separate the two objects from each other. Therefore, with the fastener structure, two objects can be quickly fastened together and easily released from each other.