52results about How to "Achieve mechanical locking" patented technology

The invention provides a self-unlocking sleeve device capable of being unfolded and folded, which belongs to the technical field of machinery and comprises a sleeve portion, a guide portion, a driving portion, a pull wire portion and a locking portion. The sleeve portion at least comprises three sleeve structures, and the pull wire portion comprises a steel wire rope and a pulley system. The driving portion is utilized to drive the pull wire portion to enable sleeves to be unfolded or folded along the guide portion. The locking portion achieves mechanical self locking when the sleeves are completely unfolded, and unlocking, folding and unfolding of the sleeves share one set of driving device. The self-unlocking sleeve device has the advantages of simplifying the driving device and the operation process, being simple in structure, small in mass, reliable in locking and capable of achieving self-unlocking.

A three-freedom-degree transmission mechanism comprises a helical pair, a revolute pair and a cylindrical pair. The axis of the helical pair is perpendicular to the axis of the revolute pair, and the axis of the revolute pair is parallel to the axis of the cylindrical pair. The revolute pair comprises a support (7), a movable sliding block (5), the helical pair (3), a nut (4), a left limiting block (1) and a right limiting block (6). The left limiting block (1) and the right limiting block (6) are fixedly arranged on the support (7), and the helical pair (3) is provided with the movable sliding block (5). The transmission mechanism is characterized in that the helical pair (3) mounted on the support (7) and the revolute pair can form 0-degree to 180-degree intersection angles through the movable sliding block (5). According to the transmission mechanism, under the condition of identical number of rotation of a screw rod, the speed of the straight line motion (opening and closing) of the nut (a door leaf) is improved. The mechanical locking of a vehicle door is achieved without another set of mechanical locking mechanism. The transmission mechanism is simple, the motion procedures of unlocking and locking are removed, procedure control is simplified, and two fault hazards are eliminated.

The invention discloses an adjustable computer cabinet with solar energy to provide power, which comprises a cabinet body (2) and a door cover (20), wherein the door cover (20) removably covers the opening of the cabinet body (2); the inner side, facing the cabinet body, of the door cover (20) is provided with a locking hook (60) in an integrated mode to pass through a through hole (200) in the wall part of the cabinet body and to be connected with the inner side of the wall part via a hook tail end (601) to realize to lock the door cover (20) on the cabinet body; the inner side of the door cover (20) is also provided with a driving concave part (309) for being connected with a driving block (30) so as to enable the driving block (30) to drive the driving concave part along the direction parallel to the plane of the wall part and the direction vertical with the plane of the wall part to further enable the locking hook (60) to be unlocked; and the inner side of the driving block (30) is provided with a driving connection convex part (303) for being matched with a connection concave part (402) in an inner thread sliding block (40) in screw driving by a screw rod (50).

The invention provides a lock cylinder and an unlocking key. The lock cylinder comprises a lock case, a lock core, a locking part, locking blades, a driving assembly and a driving control blade; the lock core is rotatably arranged in the lock case; the locking part is movably arranged between the lock core and the lock shell and has a locking position and an unlocking position; the locking bladesare movably connected with the lock core and can stop or avoid movement of the locking part so as to lock or unlock the locking part; at least one part of the driving assembly is movably arranged relative to the locking part and can stop or avoid movement of the locking part so as to lock or unlock the locking part; and the driving control blade is movably connected with the lock core and has a stopping position and an avoiding position, when the driving control blade is located at the stopping position, the driving control blade stops movement of the driving assembly, and when the driving control blade is located at the avoiding position, the driving control blade avoids movement of the driving assembly. According to the lock cylinder and the unlocking key, the problem that in the prior art, the safety of a lock cylinder is low is solved.

A mobile computer cabinet guided by a guide rod is disclosed. The mobile computer cabinet comprises a cabinet body (2) and a door cover (20) that removably covers the opening of the cabinet body (2); a shifting mechanism is arranged at the bottom of the cabinet body (2); the shifting mechanism comprises a supporting frame (6) and a moving wheel (7) fixedly arranged on the supporting frame (6); the supporting frame (6) is fixedly connected with the cabinet body (2); a locking hook body (60) is integrally arranged on the inner side, facing to the cabinet body, of the door cover (20), wherein the locking hook body is used for penetrating through a through hole (200) in the wall part of the cabinet body to lock the door cover (20) on the cabinet body through joint between a hook part tail end (601) and the inner side of the wall part; a driving concave part (309) is further formed in the inner side of the door cover (20); the driving concave part is jointed with a driving block (30), so that the driving block (30) drives the door cover in a direction parallel to the plane of the wall part and in a direction perpendicular to the plane of the wall part so as to enable the locking hook body (60) to be unlocked.

The invention relates to a locking device for a downhole sliding sleeve of an intelligent well and an operation method thereof. The locking device is characterized by comprising a thickened oil pipe, wherein the periphery of the thickened oil pipe is sleeved with a locking hydraulic cylinder, and the locking hydraulic cylinder comprises a hydraulic cylinder cover and a cylinder sleeve that are connected through a bolt; the other end of the hydraulic cylinder cover is connected with a lower cover plate and an upper cover plate and positioned by a clamping ring arranged between the upper cover plate and the thickened oil pipe; a sliding sleeve is arranged between the locking hydraulic cylinder and the thickened oil pipe, a piston is arranged between the sliding sleeve and the cylinder sleeve, a piston annular space is kept between the piston and the sliding sleeve, and a returning spring is arranged between the piston and the cylinder sleeve; the hydraulic cylinder cover is provided with an oil inlet communicated in the cylinder sleeve, and the cylinder sleeve is provided with an oil outlet communicated with the outside; the contact part of the thickened oil pipe and the sliding sleeve is provided with a plurality of positioning grooves at intervals and a positioning steel ball; and the sliding sleeve is provided with a key slot, and the key slot is oppositely provided with a feather key. In the invention, the sliding sleeve can be locked through regulation under driving of hydraulic power so as to adjust the size of a downhole production runner. Therefore, the locking device is widely applied in a production control process of an oil and gas well.

The invention discloses a computer cabinet capable of giving an alarm when contacted and performing displacement, which comprises a cabinet body (2) and a door cover (20), wherein the door cover (20) removably covers the opening of the cabinet body (2); the bottom part of the cabinet body (2) is provided with a displacement mechanism; the displacement mechanism comprises a supporting frame (6) and moving wheels (7) fixedly arranged on the supporting frame (6); the supporting frame (6) is fixedly connected with the cabinet body (2); the inner side, facing the cabinet body, of the door cover (20) is provided with a locking hook (60) in an integrated mode to pass through a through hole (200) in the wall part of the cabinet body and to be connected with the inner side of the wall part via a hook tail end (601) to realize to lock the door cover (20) on the cabinet body; the inner side of the door cover (20) is also provided with a driving concave part (309) for being connected with a driving block (30) so as to enable the driving block (30) to drive the driving concave part along the direction parallel to the plane of the wall part and the direction vertical with the plane of the wall part to further enable the locking hook (60) to be unlocked.

The invention discloses a mechanical locking device for hydraulic supporting legs. The mechanical locking device comprises a hydraulic cylinder body, a sliding spiral transmission mechanism arranged in the hydraulic cylinder body, a rotating supporting mechanism arranged in the hydraulic cylinder body and connected with the sliding spiral transmission mechanism, and a manual driving mechanism or an automatic driving mechanism which provides power for the rotating supporting mechanism. Under the effect of the manual driving mechanism or the automatic driving mechanism, the rotating supporting mechanism drives the sliding spiral transmission mechanism to move to the predetermined position so as to achieve locking or unlocking of the hydraulic supporting legs.

A computer cabinet with a guide rail groove comprises a cabinet body (2) and a door cover (20), wherein the door cover (20) detachably covers an opening of the cabinet body (2), a locking hook body (60) is integratedly arranged on the inner side, facing the cabinet body, of the door cover (20), is used for passing through a through hole (200) formed in the wall part of the cabinet body and is in overlap joint with the inner side of the wall part by a hook part tail end (601) so that the door cover (20) is locked on the cabinet body, a driving concave part (309) is further arranged at the inner side of the door cover (20) and used for being in overlap joint with a driving block (30) so that the driving block (30) drives along a direction parallel to a wall part plane and a direction perpendicular to the wall part plane to further make the locking hook body (60) unlocked, a driving connection bulge (303) is arranged at the inner side of the driving block (30) and used for matching with a connection concave part (402) in an internal threaded sliding block (40) which is driven by a screw rod (50) in a threaded way.

The invention discloses a heat dissipation type computer cabinet. The heat dissipation type computer cabinet comprises a cabinet body (2) and a door cover (20) which covers the opening of the cabinet body (2) in a removable manner; a locking hook body (60) is integrally arranged at the inner side, facing the cabinet body, of the door cover (20) and is used for penetrating through a through hole (200) in the wall part of the cabinet body and being hinged with the inner side of the wall part through a hook tail end (601) so as to lock the door cover (20) on the cabinet body; a driving recess (309) is arranged on the inner side of the door cover (20) and is used for being jointed with a driving block (30) and driven by the driving block (30) along a direction parallel to the plane of the wall part and a direction vertical to the plane of the wall part so as to unlock the locking hook (60); and a driving jointing bulge (303) is arranged on the inner side of the driving block (30) and is used for being matched with a jointing recess (402) in an internal thread sliding block (40) which is thread driven by a screw rod (50).

The invention relates to a quickly-cooled computer cabinet. The quickly-cooled computer cabinet comprises a cabinet body (2) and a door cover (20) which covers the opening of the cabinet body (2) in a removable manner; the inner side of the door cover (20), which faces the cabinet body, is integrally provided with a locking hook body (60) which passes through a through hole (200) in the wall portion of the cabinet body and is connected with the inner side of the wall portion through a hook portion tail end (601) so that the door cover (20) can be locked on the cabinet body; the inner side of the door cover (20) is also provided with a driving recessed portion (309) which is connected with a driving block (30), so that the driving recessed portion (309) can be driven by the driving block (30) in a direction vertical to the plane of the wall portion along a direction parallel to the plane of the wall portion, and therefore, the locking hook body (60) can be unlocked; and the inner side of the driving block (30) is provided with a driving joint protrusion (303) which is matched with a joint recessed portion (402) in an inner threaded slide block (40) which is driven by a screw rod (50) by means of screw threads.

A solar powered computer cabinet comprises a cabinet body (2) and a door cover (20), wherein the door cover (20) detachably covers an opening of the cabinet body (2), a locking hook body (60) is integratedly arranged on the inner side, facing the cabinet body, of the door cover (20), is used for passing through a through hole (200) formed in the wall part of the cabinet body and is in overlap joint with the inner side of the wall part by a hook part tail end (601) so that the door cover (20) is locked on the cabinet body, a driving concave part (309) is further arranged at the inner side of the door cover (20) and used for being in overlap joint with a driving block (30) so that the driving block (30) drives along a direction parallel to a wall part plane and a direction perpendicular to the wall part plane to further make the locking hook body (60) unlocked, a driving connection bulge (303) is arranged at the inner side of the driving block (30) and used for matching with a connection concave part (402) in an internal threaded sliding block (40) which is driven by a screw rod (50) in a threaded way.

The invention relates to a noise-reduction type computer cabinet. The noise-reduction type computer cabinet comprises a cabinet body (2) and a door cover (20) which covers the opening of the cabinet body (2) in a removable manner; the inner side of the door cover (20), which faces the cabinet body, is integrally provided with a locking hook body (60) which passes through a through hole (200) in the wall portion of the cabinet body and is connected with the inner side of the wall portion through a hook portion tail end (601) so that the door cover (20) can be locked on the cabinet body; the inner side of the door cover (20) is also provided with a driving recessed portion (309) which is connected with a driving block (30), so that the driving recessed portion (309) can be driven by the driving block (30) in a direction vertical to the plane of the wall portion along a direction parallel to the plane of the wall portion, and therefore, the locking hook body (60) can be unlocked; and the inner side of the driving block (30) is provided with a driving joint protrusion (303) which is matched with a joint recessed portion (402) in an inner threaded slide block (40) which is driven by a screw rod (50) by means of screw threads.