33results about How to "Increase the locking force" patented technology

The invention discloses a quickly-separated disconnecting switch, comprising an outer seat, a moving contact, a moving arcing contact, a fixed contact, a fixed arcing contact, an elastic body and a limiting mechanism, wherein the moving arcing contact can slide relative to the moving contact; the elastic body can store energies when the moving contact slides away from the moving arcing contact; the limiting mechanism is used for arranging the relative sliding extreme positions between the moving contact and the moving arcing contact; an outer ring at the tail end of the outer wall of the moving arcing contact is provided with a male buckle in a raised mode; an inner ring at a port of the inner wall of a second conductive slot of the fixed arcing contact is provided with a female buckle; the moving contact is far away from the fixed contact in the process of separating brake; the male buckle is coordinated with the female buckle to connect the moving arcing contact with the fixed arcing contact, the moving contact slides away from the moving arcing contact oppositely, and the elastic body stores the energies; and after the moving contact slides away from the moving arcing contact oppositely to the extreme position, the moving arcing contact is separated from the fixed arcing contact under the action of the limiting mechanism, and the energies stored by the elastic body are released to quickly separate the moving arcing contact from the fixed arcing contact.

A power distribution cabinet provided with a circular corner protrusion portion comprises a cabinet body (3) and a door plate (4). The frame of the cabinet body is provided with a locking insertion hole device (9), the corresponding edge of the door plate is provided with a cylindrical locking protrusion insertion head (8) used for being inserted into a cavity (96) of the locking insertion hole device (9), and the locking insertion hole device (9) comprises an end wall (91), a transverse side wall (99) and a body opposite to the end wall (91) so as to define the cavity (96).

The invention discloses a safety locking device and method for an explosive mixed loading vehicle, and belongs to the technical field of safety locking. The safety locking device comprises a lock shell and a spring bolt arranged in the lock shell, wherein one side of the spring bolt is provided with strip teeth; a driving cavity and a fixing seat are arranged outside the lock shell; a motor is arranged in the driving cavity; the output end of the motor is provided with a rotating shaft; a first bevel gear is arranged at one end of the rotating shaft; a second bevel gear matched with the firstbevel gear is arranged outside the first bevel gear; a rotating rod is arranged inside the second bevel gear, a circular gear matched with the strip teeth is arranged outside the rotating rod; an airbag is arranged on one side of the lock shell; an air pump is arranged in the fixing seat, one end of the air pump is connected with a connecting pipe; and the other end of the connecting pipe communicates with the air bag. According to the safety locking device and method for the explosive mixed loading vehicle, a side screw device is convenient to take and place, so that labor is saved, automatic locking of the side screw device is achieved, locking force is improved, and the problem that the side screw device loosens and falls off when the explosive mixed loading vehicle moves is solved.

The invention discloses an exported washing machine safety door locking mechanism. The exported washing machine safety door locking mechanism comprises a washing machine body, a safety door body and locking mechanism bodies, wherein the washing machine body is provided with a round opening at the drum, the round opening is provided with the safety door body through a hinge, the edge of the round opening is circumferentially provided with the locking mechanism bodies at equal intervals, every locking mechanism comprises a mounting groove, and an extending passage is formed between the mountinggroove and the round opening. According to the exported washing machine safety door locking mechanism, the locking mechanism bodies are arranged at equal intervals along the safety door body and workcollaboratively to enhance the locking tightness of the safety door body; meanwhile, a safety pin is provided with a first locking area and a second locking area, which can be switched and reset through interaction of a first armature, a second armature, a first electromagnet and a second electromagnet to achieve the aim of adjusting the locking tightness.

The invention discloses a tapered tube orifice intersecting line cutting device and an assembly method. The tapered tube orifice intersecting line cutting device comprises a straight circular tube with guiding grooves, a plurality of right trapezoid wedges with different sizes and a jacking screw rod frame. The guiding grooves are axially formed along the straight circular tube which is mounted on a cutting bracket, the right-angle edges of the right trapezoid wedges are mounted in the guiding grooves of the straight circular tube, and rubber is arranged on the bevel edges of the right trapezoid wedges; the right trapezoid wedges with the different sizes are used for fixing tapered tubes with the corresponding sizes to the straight circular tube, and the jacking screw rod frame comprises a sleeve and a base used for supporting the sleeve; and the straight circular tube is sleeved with the sleeve, the sleeve is provided with a jacking screw rod which is used for jacking the right trapezoid wedges. The tapered tube orifice intersecting line cutting device is convenient to dismount and mount, simple in structure, high in universality and capable of ensuring the cutting precision.

Disclosed is a power distribution cabinet having cooling fans, comprising a cabinet body (3) having a locking insertion apparatus (9) at the left frame, and a door plate (4) having a cylindrical locking projection plug (8) at a corresponding edge. The locking projection plug (8) is operable to be inserted into a cavity (96) of the locking insertion apparatus (9). The locking insertion apparatus (9) comprises an end-portion wall (91), a horizontal side wall (99) and a body (98) opposite to the end-portion wall (91), thereby forming the cavity (96).

A power distribution cabinet with a positioning protrusion comprises a cabinet body (3) and a door plate (4), wherein the cabinet body (3) has lock jack devices (9) at an edge frame, and the door plate (4) has cylindrical lock protruding plugs (8) at the corresponding edge. Each cylindrical lock protruding plug (8) is used for being inserted in cavities (96) of the corresponding lock jack device (9). Each lock jack device (9) comprises end part walls (91), horizontal side walls (99) and a body (98) opposite to the end part walls (91), and the end part walls (91), the horizontal side walls (99) and the body (98) enclose to form the corresponding cavities (96).

The invention discloses a linkage door lock for a cabinet. The linkage door lock comprises a locking device, a driving device, a guiding device and a hand wheel, wherein the locking device comprises a first locking assembly and second locking assemblies, the first locking assembly comprises a first body and a first bolt; one second locking assembly on any side comprises a second body and second bolts which are positioned on the second body and arranged oppositely; the driving device comprises a first driving rod, a second driving rod and third driving assemblies which are arranged oppositely; the guiding device comprises a first guiding assembly which is used for guiding the first bolt, and a second guiding assembly which is used for guiding second bolts on the two sides; the linkage door lock for the cabinet further comprises a limiting device which is used for limiting the movement stroke of the locking device. According to the linkage door lock for the cabinet provided by the invention, since a plurality of linkage locking points are arranged, the locking force is enhanced; the movement stroke of the locking device is controlled in a limiting mode, so that the direct contact with the locking device is avoided, and the damage probability of the linkage door lock for the cabinet is reduced.

The invention provides a pipeline connection fixing device. The pipeline connection fixing device comprises a base. The two ends of the base are provided with telescopic power devices correspondingly.The telescopic power devices are connected with the base. The extension directions of the telescopic power devices are opposite. The telescopic ends of the telescopic power devices are further connected with fasteners. The fasteners are used for connecting the two ends of a steel bar for locking a flange pipe and a rubber pipe. The pipeline connection fixing device has the advantages of being reasonable in structure and high in locking strength.

The invention discloses a self-locking height adjuster which comprises a guide rail. Two sides of the guide rail are provided with racks. The adjuster also comprises a sliding block connected with the guide rail in a sliding mode, wherein two gears are arranged on the sliding block, the two gears are meshed with the racks respectively, and a gap is formed between the two gears; and a locking assembly arranged on the sliding block and comprises a locking block, wherein the locking block slides relative to the sliding block to be clamped into or slide out of a gap between the two gears so as to lock or unlock rotation of the gears. In the application, the locking force of the locking block on the gear can be increased along with the increase of the stress of the gear, so that the danger caused by locking failure due to excessive instant stress of the height adjuster when an automobile accident occurs can be avoided.

A power distribution cabinet provided with a guide rod and driven by air pressure comprises a cabinet body (3) and a door panel (4), wherein the cabinet body (3) is provided with a locking socket device (9) at a frame, the door panel (4) is provided with a cylindrical locking convex plug (8) at a corresponding edge, the locking convex plug (8) is used for inserting into a cavity (96) of the locking socket device (9), and the locking socket device (9) comprises an end wall (91), a transversal side wall (99) and a body (98) opposite to the end wall (91) so as to encircle the cavity (96).

The invention discloses a safety belt, a height adjusting device and an adjusting method thereof, and further discloses a height adjusting device for the safety belt, which comprises a fixed seat, wherein a plurality of convex strips that protrude out of the surface of the fixed seat and are parallel to the width direction of the fixed seat are arranged on the middle part of the fixed seat, and agroove is formed between any two adjacent convex lines, and guide rails are formed on the two sides of the fixing base in the length direction of the fixing base; a sliding component that is connectedwith the fixed seat in a sliding manner and comprises: a sliding sleeve which is connected with the guide rail and can slide along the guide rail, and a buckle, of which one end is rotatably connected with the sliding sleeve and the other end is a free end, wherein when the buckle rotates to enable the free end of the buckle to abut against the groove, sliding of the sliding sleeve relative to the fixing base can be locked. According to the invention, the locking and unlocking processes are smoother, the operation is more convenient, and the adjustable precision is also greatly improved.

A power distribution cabinet with roller grooves comprises a cabinet body (3) provided with locking insertion devices (9) on a frame and a door plate (4) provided with cylindrically locking bulge insertion heads (8) on the corresponding edges, wherein the locking bulge insertion heads (8) are inserted into cavities (96) of the locking insertion hole devices (9), each locking insertion hole device (9) comprises an end wall (91), a horizontal side wall (99) and a body (98) opposite to the end wall (91), and accordingly, the cavities (96) are defined.

The invention discloses a transportation unit suitable for GRC wallboards, which comprises a buckle bar, and the buckle bar includes a cross bar and a partition bar, buckle rings are respectively provided at both ends of the cross bar, and at least one ring groove is provided in the middle; One end of the bar is screwed into the ring groove. The utility model relates to a transportation tool suitable for GRC wallboards. The above-mentioned buckles are sequentially buckled through buckles to form matching upper and lower fixing chains. The transportation tool of the present invention consists of several units connected in series according to actual needs to form an upper fixed chain and a lower fixed chain, which respectively prevent the two sides of several GRC wall panels from playing the role of fixing and separating the wall panels, and at the same time, they are interlocked by the first position, It can form a closed loop and lock the transported GRC wallboard; it can be used in conjunction with the support plate to further improve the support strength of the end and the locking strength of the end. Simple structure, convenient use, low production and maintenance costs, damaged units can be replaced in time, green and environmentally friendly, with strong practicability and wide applicability.