10results about How to "Improve fastening force" patented technology

The application discloses a kind of double locking structure cable joint, including connecting body, the upper end of the connecting body is equipped with compression nut, lower end is equipped with joint body, the compression nut and joint body are all with connecting body screw thread cooperation, the connecting body is equipped with nylon compression ring with compression nut piece, the nylon compression ring adopts plastic material, the opening is opened on the nylon compression ring, the gecko tail piece is equipped with in both ends of the opening, the gecko tail piece is equipped with multiple V-shaped mouths, the inner side of the compression nut and joint body is all inclined surface arrangement, and it is matched with the nylon compression ring the upper end of the compression nut is equipped with connecting lug, the connecting lug is equipped with fixed peg, the thread of the fixed peg both ends is oppositely arranged, the adjusting ring is equipped with in both ends of the connecting lug, the fixed peg is matched with adjusting ring, the adjusting ring is equipped with locking peg, the inner side of the adjusting ring is equipped with locking ring, locking ring is matched with locking peg, the equipment is better to cable fastening, improve waterproof effect.

The utility model relates to the technical field of portal cranes, and discloses an adjustable windproof locking device of a portal crane, which comprises a mounting frame, and an adjusting locking component is arranged on the lower surface of the mounting frame; the adjusting and locking assembly comprises two lifting rods, the two lifting rods are fixedly connected to the lower surface of the mounting frame, a mounting box is slidably connected to the outer portions of the lifting rods, a gear ring is rotatably connected to one side of the mounting box, a threaded groove is formed in the inner wall of the gear ring, and a first stepping motor is fixedly mounted on one side of the mounting box. Through cooperative arrangement of the adjusting and locking assembly and the supporting assembly, a multi-dimensional windproof locking function is provided for the portal crane, the contact and clamping area with a track is enlarged through the two clamping plates, extrusion force is applied to a bottom cross beam of the portal crane under the cooperative effect of the pressing plate and the non-slip mat, fastening connection between the bottom cross beam and the track is enhanced, and the safety of the portal crane is improved. In addition, the supporting rods rotate and abut against the ground on the two sides of the track, and extra supporting force is provided for the device.

The invention provides an opening self-reducing automobile damping framework, and relates to the technical field of automobile suspensions, the opening self-reducing automobile damping framework comprises an inner pipe, at least one reducing opening is formed in the pipe wall of the inner pipe in the axial direction in a penetrating mode, and the reducing opening is configured in the mode that when the inner pipe is pressed to be installed in an installation hole and closed, radial shrinkage is formed; and the outer rubber layer is adhered to the periphery of the inner pipe. A dynamic and self-adaptive multi-stage composite locking structure is constructed, the long-term anti-loosening problem is fundamentally solved, the multi-stage composite locking structure converts single assembly press-in force into two-stage ordered mechanical response, the inner pipe shrinks to drive the groove wall of the gap groove to form herringbone-like expansion, and therefore the anti-loosening effect is achieved. An active pinching effect is generated by utilizing the rebound trend of the inner pipe, instant anti-torsion and anti-movement capacities are provided, and the expansion extrudes the adjacent rubber elastomer units at the same time to force the rectangular cavities in the rubber elastomer units to generate radial outward expansion deformation, so that large-area, uniform and continuous abutting pressure is formed.

The utility model relates to the field of conversion valves and discloses a water leakage prevention conversion valve which comprises a metal valve shell, a valve element is rotationally arranged in the metal valve shell, a hydraulic motor is fixedly installed on the top of the metal valve shell, a liquid inlet pipe is welded to the top of one end of the outer wall of the metal valve shell, and the other end of the liquid inlet pipe is in threaded connection with a liquid inlet sleeve. Two liquid outlet pipes are welded to the two sides of the middle of the outer wall of the metal valve shell, the other ends of the liquid outlet pipes are in threaded connection with liquid outlet sleeves, a pressure reducing pipe is arranged at the other end outside the metal valve shell, and a rotating shaft pipe is welded to the top of the metal valve shell. According to the water-leakage-proof conversion valve, connection points can be fastened without water leakage, and hydraulic pressure in the conversion valve can be balanced in a self-adaptive mode.

The application relates to the technical field of cutting robots and discloses an industrial cutting robot, which comprises a main body assembly, a base, a mechanical arm arranged on the base, a mechanical head arranged on the mechanical arm, a mounting seat fixed on one side of the mechanical head through screws, a cutting head arranged at the bottom of the mounting seat, a fixing assembly arranged on the mounting seat and comprising a locking piece, the locking piece comprising a fixed frame fixed to the outer side of the mounting seat and a supporting sleeve fixed to one side of the fixed frame. The fixing assembly is arranged to fix the cutting head, the cutting head can be conveniently disassembled and maintained, the protective assembly is arranged to protect the cutting head, the cutting head is prevented from being damaged when colliding with a workpiece, and when the protective assembly is impacted, the fixing force of the fixing assembly on the cutting head can be increased, so that the cutting head is prevented from falling off.

This utility model provides a pipe positioning clamp with scale markings, belonging to the field of pipe positioning clamp technology. The utility model includes a threaded rod rotatably connected between the inner walls of the vertical ends of two U-shaped support frames. A rotating wheel is fixedly installed on the outer surface of the threaded rod. A sliding rod is fixedly installed between the inner walls of the vertical ends of the two U-shaped support frames. Two sliding plates are threadedly connected to the surface of the threaded rod. A vertical plate is fixedly installed on one side of the sliding plate. A first clamping ring is fixedly installed at the end of the rod away from the vertical plate. A second clamping ring is slidably connected to the outer surface of the rod. This utility model, through the marking device, allows the sliding plates to move smoothly along the sliding rod by the cooperation of the threaded rod and the reverse thread, simultaneously adjusting the positions of the clamping rings on both sides. Combined with the scale lines on the U-shaped support frame, the pipe spacing can be read intuitively, eliminating the need for repeated measurements with a tape measure and greatly simplifying the adjustment process.

The invention discloses a cable joint with a double-locking structure, which comprises a connecting body, a compression nut is arranged at the upper end of the connecting body, a joint body is arranged at the lower end of the connecting body, the compression nut and the joint body are both in threaded fit with the connecting body, the connecting body and the compression nut are provided with nylon compression rings, the nylon compression rings are made of plastic materials, and the nylon compression rings are made of plastic materials. An opening is formed in the nylon compression ring, gecko tail pieces are arranged at the two ends of the opening, a plurality of V-shaped openings are formed in the gecko tail pieces, the inner side of the compression nut and the inner side of the connector body are inclined planes, the compression nut and the inner side of the connector body are matched with the nylon compression ring, a connecting lug is arranged at the upper end of the compression nut, and a fixing bolt is arranged on the connecting lug. Threads at the two ends of the fixing bolt are oppositely arranged, adjusting rings are arranged at the two ends of the connecting lug, the fixing bolt is matched with the adjusting rings, locking bolts are arranged on the adjusting rings, locking rings are arranged on the inner sides of the adjusting rings, and the locking rings are matched with the locking bolts. The equipment is better in cable fastening, and the waterproof effect is improved.

The utility model provides a kind of multifunctional fan, comprising: base, base upper nest installation has connecting rod, connecting rod upper thread connection has fan head.This kind of multifunctional fan, by being provided with bolt two, connecting rod, connecting seat and fixed end two and the like structure, bolt two cooperate with antiskid line, ensure that it is easy and convenient to operate when disassembling and assembling, and effectively prevent component loosening;Connecting rod is as core connecting component, both support the height of vertical fan, and can be combined with connecting seat;Connecting seat and fixed end two are fastened by bolt, can be quickly installed on wall surface, convert fan from vertical into wall-hanging type, adapt to multiple scenes such as bedroom, kitchen and the like, these structures cooperate with each other, not only meet the demand of different use mode of user, also enhance fan overall stability by reliable connection design, greatly improve the practicability and durability of product.

The utility model discloses a plug-in anti-falling flange, which relates to the technical field of flanges and comprises a first flange plate, a second flange plate and a plug-in anti-falling flange, the second flange plate is arranged at the bottom end of the first flange plate; the inserting assembly is arranged in the middle of the first flange plate and the second flange plate and used for achieving inserting connection of the first flange plate and the second flange plate; the fixing assembly penetrates through the first flange plate and the second flange plate and is used for achieving fixed connection of the first flange plate and the second flange plate. According to the utility model, through the arrangement of the plug-in assembly, preliminary butt joint between the flange plates can be realized, so that not only is the installation efficiency improved, but also accurate centering is facilitated, and misalignment of sealing surfaces caused by installation deviation is avoided, thereby reducing the risk of medium leakage.

The application relates to the field of circuit breakers, in particular to a 40.5kV looped network large-current circuit breaker which comprises a body and a mounting assembly, the mounting assembly comprises a pressing strip, a sliding rod, an elastic piece one and a plurality of fixing bolts, a plurality of fixing holes are arranged on the surface of the body at intervals, a sliding channel is arranged on the surface of the body, the end, away from the sliding channel, of the sliding rod is connected to the surface of the pressing strip, one end, in the elastic force direction, of the elastic piece one is connected to the inner wall of the sliding channel, and the other end, in the elastic force direction, of the elastic piece one is connected to the rod surface of the sliding rod. In the application, the pressing strip, the sliding rod, the elastic piece one and the fixing bolts are arranged, the fixing bolts are not easily affected by the vibration of the power grid to produce a small relative motion, the limiting stability of the fixing bolts in the fixing holes is guaranteed, the fastening force between the looped network large-current circuit breaker and the wall surface is improved, and therefore the safety in use of the looped network large-current circuit breaker is improved.