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

A power distribution cabinet with a positioning protrusion and a spacing sensor 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).

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).

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 provides a furnace door safety locking device, which relates to the field of melting furnaces, and includes a sealed door, the sealed door includes a sealing plate, a pressure device is provided in the middle of the sealing plate, and the pressure device includes a pressure tube penetrating through the sealing plate, The pressure tube is provided with a piston slidingly connected with it, the top of the pressure tube is connected with a control mechanism, the control mechanism is in transmission connection with the locking mechanism, the locking mechanism is pneumatically connected with the pressure device, and the locking mechanism slides with the sealing plate connected, the side of the pressure pipe communicates with the sliding cylinder, and the sliding cylinder is slidably connected with the locking mechanism. In the present invention, the pressure in the furnace is used to move the piston in the pressure tube, thereby compressing the air in the pressure tube, and the pressure difference inside and outside the pressure tube is used to move the locking mechanism, so that the locking mechanism can connect the sealing plate and the furnace mouth more closely , increase the locking force, more secure.

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.

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.

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 with an LED flashing lamp comprises a cabinet body (3) and a door board (4), wherein the frame of the cabinet body (3) is provided with a locking jack device (9), and the corresponding edge of the door board (4) is provided with a cylindrical locking protruding plug (8). The cylindrical protruding plug (8) is used for being inserted into a cavity (96) of the locking jack device (9). The locking jack device (9) comprises an end wall (91), a transverse side wall (99) and a body (98) opposite to the end wall (91) so as to form a cavity (96).

The invention relates to the technical field of wrenches, in particular to a wrench for fastening high-strength bolts, which includes a sleeve, a sleeve and a fixed column. The inner rotation of the sleeve is connected with a connecting column, and the top of the connecting column is provided with a longitudinally penetrating square channel. Groove, the upper side of the right end of the fixing column is provided with a first groove, the inside of the first groove is fixedly connected with the first fixing tube, the outer side of the right end of the first fixing tube is provided with a second fixing tube, and the second fixing tube The right end of the fixed handle is fixedly connected with a fixed handle, the right end of the fixed handle is provided with a turning groove, the inner rotation of the rotating groove is connected with a swivel ring, the right end of the swivel ring is fixedly connected with a rotating column, and the left end of the rotating column is rotatably matched with the right end of the fixed handle ; It is convenient to adjust the length of the handle, can tighten the reinforcement bolts to the required strength, improves the stability of the reinforcement bolt fastening, is convenient to replace different types of sleeves to fix high-strength bolts of different specifications, and improves its practicality of use.

The invention discloses a buffer self-closing device for a telescopic slide rail, which includes a base, a sliding seat, a sliding buckle, a spring and a damper. The slider is connected to the sliding seat through the rotating shaft and is slidingly matched with the chute. The two ends of the sliding button in the sliding direction respectively form protrusions protruding from the sliding seat and swinging around the rotating shaft. The shaft hole for installing the rotating shaft of the sliding seat is set to be The rotating shaft has an elongated hole with a moving gap in the moving direction of the slide seat. In this way, when the slider is locked at the corner, the spring will pull the slider to move a little relative to the slider, so that the outer hole wall of the hole accommodating the protrusion corresponding to the slide-out direction of the slider abuts against the protrusion, and presses the protrusion. Boss. The sliding buckle locked at the corner is subjected to opposite forces in two directions, which greatly increases the locking force on the sliding buckle, which can effectively prevent the abnormal tripping of the sliding buckle, thereby improving the reliability and stability of the buffer auto-closer's operating performance sex.

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.