42results about How to "Self-locking stability" patented technology

The invention relates to an automatic zipper head which comprises a pull head body, a pull piece, a hook, a straight elastic piece and a cap which are sequentially arranged from bottom to top. Two ends of the hook are both embedded in the pull head body, a containing space is formed by the hook and the pull head body to contain the end portion of the pull piece, two ends of the cap are mechanically connected with the pull head body, two ends of the straight elastic piece are mechanically connected on the inner wall of the cap, and the middle of the straight elastic piece is adjacently connected with the hook. The automatic zipper head has the advantages of being simple and convenient to operate, convenient to assemble and the like.

A household appliance switch bracket with a self-locking device comprises a switch bracket body, a door hook support, a microswitch and a door hook. The door hook is located on a door body. The household appliance switch bracket is characterized in that a rotary joint, the door hook and a slide bar are arranged on the switch bracket body, the rotary joint is provided with a spring bolt and a self-locking hole, the door hook is provided with a clamping hole, the slide bar is provided with a guide pillar, the rotary joint is clamped to the clamping hole and the guide pillar through the spring bolt and the self-locking hole respectively, and then self-locking structures of the appliance switch bracket are formed. According to the household appliance switch bracket with the self-locking device, the door hook and the rotary joint form one self-locking structure, the slide bar and the rotary joint form the other self-locking structure, the two different self-locking structures enable the household appliance switch bracket to be self-locked more stably, and efficient self-locking of the household appliance switch bracket is realized; the door hook support makes contact with the rotary joint and the slide bar, so that self-locking of the household appliance switch bracket is relieved; meanwhile, the household appliance switch bracket is of a mechanical structure, is high in reliability and has the advantages of being simple and reasonable in structure, quick and convenient to operate, long in service life, high in stability and the like.

The invention provides a cooling fin fixing structure, which is suitable for accommodating of cables of electronic products. The fixing structure comprises a cooling fin with a first locking hole, a mainboard with a second locking hole, and a locking piece which comprises a fixed column, an elastic arm, a gasket and a locking arm; the fixed column comprises a column body and a clamping hook; a containing groove is formed between the column body and the clamping hook; the gasket is provided with a through hole; when an external force is applied to the locking piece, the locking arm penetrates through the first locking hole of the cooling fin and the second locking hole of the mainboard, the gasket is abutted with the cooling fin, and the elastic arm is pressed to be bent for enabling the clamping hook to penetrate through the through hole of the gasket, the first locking hole of the cooling fin and the second locking hole of the mainboard; and when the external force is released, the locking arm enters the containing groove of the clamping hook and supports the clamping hook to be open, and the clamping hook hooks the mainboard to realize self-locking. The self-locking is stable andfirm; the installation is rapid; the structure is simple; and the cost is low.