96results about How to "There will be no looseness" patented technology

The invention discloses an aluminum cutting machine. A cutting disc is mounted on a motor, an angle adjustment positioning device composed of a swing angle supporting seat, a Q-shaped rotary plate flange and a U-shaped fine adjustment block is arranged between the motor and a sliding base, both the Q-shaped rotary plate flange and the U-shaped fine adjustment block are fixedly mounted on the same side face of the swing angle supporting seat, the motor is fixedly connected with the other side face of the Q-shaped rotary plate flange, an external flange of the inner ring periphery of the Q-shaped rotary plate flange is embedded in a round through hole of the swing angle in a matched and adhered manner, a rotating rod of the Q-shaped rotary plate flange extends into the U-shaped opening of the U-shaped fine adjustment block, an adjusting gap is formed between the rotating rod and the U-shaped opening, adjusting bolts are mounted on the two side walls of the U-shaped opening respectively vertically, and the tail end of each adjusting bolt is in contact connection with the rotating rod of the Q-shaped rotary plate flange. By the aluminum cutting machine, the angle adjustment mode of the cutting disc is visual, accurate and convenient, the angle adjustment range is wide, and all the parts of the angle adjustment positioning device cannot loosen during working.

The invention discloses a connection fitting of a family product, comprising a fitting body and a bolt, wherein the fitting body is embedded in a first groove, and the bolt is connected with the fitting body in a positioning mode; the bolt comprises a positioning section and a linkage section; the fitting body is provided with a heteromorphic groove used for connecting with the positioning section of the bolt; the heteromorphic groove extends vertically from the top surface to the back surface; an expansion slot which enables the wall of the heteromorphic groove and the fitting body to extend moderately along the radial direction thereof is arranged in the heteromorphic groove; the notch or the wall of the expansion slot is provided with a latch mutually meshed with the positioning section of the bolt; the axial outer surface of the fitting body can be a toothed surface or a thread surface; the overall dimension thereof is slightly bigger than the diameter of the first groove; the shape of the cross section of the first groove is matched with the appearance of the fitting body; and the linkage section of the bolt is embedded in a second groove, the external diameter of the linkage section of the bolt is bigger than that of the positioning section of the bolt, and the axial periphery of the linkage section of the bolt is slightly bigger than the toothed surface of the diameter of the second groove. The fitting body can be fixed without any screw, can be quickly assembled and has high construction efficiency and firm connection.

The invention discloses an aluminum cutting machine. A cutting disc is mounted on a motor, an angle adjustment positioning device composed of a swing angle supporting seat, a Q-shaped rotary plate flange and a U-shaped fine adjustment block is arranged between the motor and a sliding base, both the Q-shaped rotary plate flange and the U-shaped fine adjustment block are fixedly mounted on the same side face of the swing angle supporting seat, the motor is fixedly connected with the other side face of the Q-shaped rotary plate flange, an external flange of the inner ring periphery of the Q-shaped rotary plate flange is embedded in a round through hole of the swing angle in a matched and adhered manner, a rotating rod of the Q-shaped rotary plate flange extends into the U-shaped opening of the U-shaped fine adjustment block, an adjusting gap is formed between the rotating rod and the U-shaped opening, adjusting bolts are mounted on the two side walls of the U-shaped opening respectively vertically, and the tail end of each adjusting bolt is in contact connection with the rotating rod of the Q-shaped rotary plate flange. By the aluminum cutting machine, the angle adjustment mode of the cutting disc is visual, accurate and convenient, the angle adjustment range is wide, and all the parts of the angle adjustment positioning device cannot loosen during working.

The invention belongs to the technical field of medical instruments and particularly relates to an ICU concentrator. The ICU concentrator comprises a body, concentrating positions, buckles, fixing bands and a through hole. The concentrating positions are located on the outer edge of the body and are concave inwards by different radians. The fixing buckles are arranged on the two sides of the body. The fixing bands are arranged on the buckles. The through hole is formed in the middle of the body. A clamping position is arranged on the through hole and is an inward protrusion. The number of the concentrating positions is large, the concentrating positions are used for fixing wires in the concentrating positions, and the situation that the wires are loose is avoided. Special installing is not needed, the ICU concentrator can be fixed when tied to the surface of an instrument through bands or pasted to the surface of an object, the positions are flexible and changeable, and the ICU concentrator can be used on many occasions. The through hole or the pasting buckles can be selected. Common clamping strips in the current market can be used in the ICU concentrator completely, the clamping strips can be shorn off when being not needed, use is easy and convenient, a magnet or double-faced adhesive tape is used for fixing, removing and locating are easy, use is convenient and fast, and the cost is low.

The invention discloses a binding device for an overhead lead and a stay wire. The binding device comprises a device body, wherein one end of the device body is provided with two parallel supporting arm racks, a reel wheel is mounted between the two supporting arm racks through a center shaft, a damping fin is mounted between two ends of the reel wheel and the supporting arm racks, one end of the center shaft stretches out of the supporting arm racks and is equipped with an adjusting valve used for adjusting tightness of the supporting arm racks and the reel wheel, the other end of the device body is provided with a binding arc used for accommodating the overhead lead or the stray wire, an opening direction of the binding arc is perpendicular to an axial direction of the center shaft, one side of the binding arc is connected with the supporting arm racks, a notch end face of the one side of the binding arc is provided with a first clamping block and a second clamping block with intervals along an axial direction, the first clamping block and the second clamping block are in smooth connection with an inner side face of the binding arc, a distance from the first clamping block to the inner side face of the binding arc face at an opposite side is greater than a distance from the second clamping block to the inner side face of the binding arc face at the opposite side. The binding device has advantages of reasonable design, simple structure, time-saving labor-saving performance, convenient and reliable performance and convenient operation.

The invention discloses a novel vacuum pump. The novel vacuum pump comprises a shell (1); an output shaft (2) is arranged on one side of the shell (1); an air inlet (4) and an air outlet (5) are formed in the upper end of the shell (1); an inlet air filtering device (7) is arranged between the air inlet (4) and the shell (1); an outlet air filtering device (9) is arranged between the air outlet (5) and the shell (1); cooling fins (3) are arranged on the two sides of the shell (1); two symmetrical clamping bases (11) are arranged on the same side of the shell (1) and are fixedly connected with the shell (1); clamping grooves (12) are formed between the clamping bases (11) and the shell (1); clamping blocks (13) are arranged on the two sides of the cooling fins (3) and are matched with the clamping grooves (12). The novel vacuum pump is compact in structure and a pump body can be effectively cooled.

The invention discloses a level calibration mechanism for house building. The level calibration mechanism comprises two support seats and a threaded pipe, a front sliding groove is formed in one side of each guide rail in a penetrating mode, a side sliding groove is formed in the other side of each guide rail in a penetrating mode, the top ends of support rods are both fixedly connected with the middle of the outer side wall of a semi-ring, an adjusting threaded rod is inserted into the threaded pipe, the end, close to a connecting seat, of the adjusting threaded rod is provided with a cylinder, the adjusting threaded rod is composed of multiple connecting threaded rods, one end of each connecting threaded rod is provided with a support pin, and the end, close to the corresponding support pin, of each connecting threaded rod is provided with an installing groove; the top end of the outer side wall of each support seat is provided with a support ring, the support rings are connected with the two ends of a U-shaped pipe in an inserting mode respectively, and the two ends of the U-shaped pipe both extend to the upper portions of the support rings. The level calibration mechanism for house building is reasonable in structural design and high in practicability, not only can improve the stacking quality and efficiency of wall bricks, but also can avoid a resource waste phenomenon and has the very high practicability.

The invention relates to the technical field of bearings, and discloses a bearing bracket. The bearing bracket comprises a bracket body, a fixed bottom plate is arranged on the outer surface of the lower end of the bracket body, a fixing piece is arranged on the outer surface of the side end of the bracket body, screw sets are arranged at the side ends of the fixing piece, a limiting cover plate is arranged on the outer surface of the upper end of the bracket body, a fixing plate is arranged on the outer surface of the upper end of the limiting cover plate, a motor is arranged on the outer surface of the upper end of the fixing plate, and a first transmission belt is arranged at the position, corresponding to the lower end of the motor, of the outer surface of the upper end of the bracketbody. According to the bearing bracket, the fixing piece, the limiting cover plate and the screw set are matched with the fixed bottom plate to fix the bracket body to mechanical equipment; through triple fixing, stability is improved, through cooperation of the motor, a threaded lead screw and a sliding rod, the height position of a bearing can be adjusted instead of manual work, precision is better, through cooperation of a sliding block, a fixing screw and a limiting ring, a user can replace the bearing conveniently, and production cost is reduced.

The invention discloses a high-stability cleaning and anchoring device for bridge cracks, and relates to the technical field of bridge crack cleaning and anchoring devices. The high-stability cleaning and anchoring device comprises an anchoring box, wherein a first motor is fixedly installed on the inner wall of the top of the anchoring box, a lead screw is installed at the output end of the first motor in a driving mode, and the lead screw is sleeved with a moving block in a threaded mode; and a connecting rod is fixedly installed on the side wall of the moving block, a second motor is fixedly installed at one end of the connecting rod, the same arc-shaped frame is fixedly installed on the two opposite side walls of the connecting rod, and a plurality of evenly-arranged connecting blocks are fixedly installed at the bottom of the arc-shaped frame. The high-stability cleaning and anchoring device is reasonable in structure, dust and sundries can be cleared away more conveniently and quickly, dust and sundries generated during drilling can be cleared away in time, dust cannot fall into a drilled hole and a crack after drilling is completed, the anchoring effect of the bridge anchoring device is better, the stability of a bridge after anchoring is better, and the service life of the bridge is longer.