31results about How to "There will be no oil leakage" patented technology

The invention relates to a deburring machine which comprises a machine body, a clamping mechanism, a deburring mechanism and a feed mechanism. The clamping mechanism comprises a clamping oil cylinder, a movable clamping arm and a fixing clamping seat, wherein the fixing clamping seat is fixed to the machine body, and the clamping oil cylinder is connected with the movable clamping arm and drives the movable clamping arm to perform left-right movement. The deburring mechanism comprises a deburring oil cylinder, guide columns and a sliding frame, wherein the guide columns are symmetrically fixed to two sides of the machine body, the sliding frame is arranged on the guide columns, the deburring oil cylinder drives the sliding frame to vertically slide along the guide columns, the feed mechanism is arranged on the sliding frame and comprises a feed oil cylinder, a cutter rest and a deburring cutter, the deburring cutter is fixed to the cutter rest, the cutter rest is connected with the feed oil cylinder, and the feed oil cylinder drives the cutter seat to perform left-right movement. The deburring machine clamps a workpiece through the clamping mechanism, is accurate in positioning and good in clamping effect and stability, performs deburring through the deburring mechanism and the feed mechanism, no oil leakage phenomenon does not occur, and the quality of obtained products are high.

The invention discloses an oil injection device for a central shaft of a claw pole type step motor shell. The device comprises a working table, a shell feeding channel, an oil injection cylinder, an oil injection barrel, a retaining cylinder, a clamping cylinder, a pushing cylinder, a shell clamp and a shell detection sensor, wherein the shell reaches a detection position from a previous step through the shell feeding channel during work; when the shell detection sensor detects that the shell arrives, the retaining cylinder retains the shell at a fixed position, then the shell clamp extends out to clamp the shell, the retaining cylinder retracts, the pushing cylinder pushes the shell clamp forwards to the fixed position, the shell on the shell clamp is vertically opposite to an oil injection nozzle of the oil injection barrel at the time, the oil injection cylinder performs oil injection, the shell clamp retracts after the oil is injected, and the pushing cylinder returns to clamp a next shell; the work is circulated to continuously and fully automatically perform oil injection work on the central shaft of the shell; manual operation is not required, the labor is saved, the phenomenon of injected oil leakage is avoided, the reliability is high, uniform oil quantity is guaranteed, and the product quality is improved.

The invention discloses a hydraulic hose tee joint which comprises a joint body, wherein a passageway I, a passageway II and a passageway III are arranged on the joint body, an inner mouthpiece is arranged at the end part of the passageway III, the inner mouthpiece is a cone-shaped structure, and an annular groove is formed in a position close to the end part. Steel wires are arranged at the root part of the inner mouthpiece. The tee joint has the advantages that when the hose is accessed, the cone-shaped design of the inner mouthpiece enables the original alignment communication mode to be changed into a plugging communication mode, an O-shaped rubber ring is placed in the groove, so as to form sealed blocking between the outer wall of the inner mouthpiece and the inner wall of the accessing hose, no slit is formed, the connection mode can completely improve the condition of nonalignment, when the oilway pressure increases, oil injection is prevented due to the seamless plugging mode, so that sealing effect is ideal.

The invention discloses a vertical piano top cover supporting rod structure, and relates to the technical field of musical instruments. An inner rod is movably inserted into an outer rod, through holes are formed in the lower end of the outer rod and the upper end of the inner rod, the lower end of the outer rod and the upper end of the inner rod are inserted between two symmetric rotary connection sheets, the two symmetric rotary connection sheets are fixed onto a fixing seat, double-thread screws are inserted into the rotary connection sheets and the through holes, nuts are screwed at two ends of each double-thread screw, an insertion hole is formed in the side wall of the upper end of the outer rod, a plurality of slots are formed in the side wall of the inner rod from top to bottom, and the inner end of a positioning column penetrates the insertion hole and then is inserted into one slot. The structure is simple, easy to machine, convenient to operate, higher in safety and strongerin practicability, power consumption of an electric push rod and oil leakage of a hydraulic push rod are avoided, machining cost is reduced, and a top cover is conveniently supported by a user.

The invention discloses a hydraulic shock absorber. The hydraulic shock absorber is characterized in that the shock absorber comprises a threaded connection rod (1), a limiting baffle (2), disk-shaped reinforcing rings (4), an inertia channel (5), a metal framework (6), a connecting base (7), main spring rubber bases (11) and main springs (12); the threaded connection rod (1) is fixedly arranged on the metal framework (6); the main springs (12) are arranged at the two sides of the metal framework (6) and are connected with the disk-shaped reinforcing rings (4) through the main spring rubber bases (11); the limiting baffle (2) is arranged below the metal framework (6); the disk-shaped reinforcing rings (4) are arranged at the two sides of the limiting baffle (2) and are fixedly clamped onto the connecting base (7); and the inertia channel (5) is arranged inside the limiting baffle (2).

The invention discloses a steel wire rope oiling gun. The steel wire rope oiling gun comprises an oil inlet head, a gun rod, a distribution head and two mixing spray heads, the oil inlet head correspondingly communicates with an oil inlet pipe and a gas inlet pipe, one end of the gun rod is connected with the oil inlet head and is tightly pressed through a sealing pressing ring, the other end of the gun rod is connected with the distribution head and is tightly pressed through the other sealing pressing ring, the distribution head is connected with the two mixing spray heads through a group ofoil pipes and a groups of gas pipes correspondingly, and the distribution head and the two mixing spray heads each are provided with a nozzle. Oil and gas supplied from the oil inlet head are separately conveyed into the distribution head through the gun rod, the oil and the gas are distributed into three groups through the distribution head, one group of oil and gas is directly sprayed out through the nozzle arranged on the distribution head, and the other two groups of ol and gas enter the two mixing spray heads through the group of oil pipes and the group of gas pipes correspondingly, andthen are sprayed out through the nozzles arranged on the mixing spray heads correspondingly. According to the steel wire rope oiling gun, the three nozzles are arranged in a triangular shape so that the atomizing area of the three nozzles can completely cover the outer circle surface of a steel wire rope, then the efficiency of the nozzles is improved, and the spraying effect is guaranteed at thesame time.

The invention provides a fan mounting mechanism. The fan mounting mechanism comprises a mounting base, a magnetic sleeve assembly, a graphite separation blade, a stator core, an oil-containing bearing and a motor shaft, wherein the motor shaft is arranged in the oil-containing bearing, and can rotate relative to the bearing; one end of the motor shaft is fixed to a blade main body; the oil-containing bearing is nested in the stator core; the stator core is arranged on a circuit board; a limiting sleeve is arranged between the oil-containing bearing and the blade main body; the mounting base is provided with an accommodating hole; the magnetic sleeve assembly is arranged in the accommodating hole. By adopting the fan mounting mechanism, self-circulation of lubricating oil and further fixing of a fan are realized.

The invention relates to the technical field of hinges, in particular to a door and window hinge, and belongs to the field of hinges. The door and window hinge comprises a first hinge part and a second hinge part which are rotationally connected with each other, and further comprises a buffer plate fixedly connected to the second hinge part, two groups of buffer baffles and an elastic pull rope, wherein a buffer groove matched with the buffer plate is formed in the first hinge part; the two groups of buffer baffles are symmetrically arranged, are rotationally connected with each other and are matched with the buffer plate; the two ends of the buffer baffles are rotationally connected with buffer shafts, and the buffer shafts are connected to the first hinge part in a sliding mode; and the two ends of the elastic pull rope are fixedly connected to the buffer shafts respectively. By arranging the two buffer baffles, the elastic pull rope, a buffer frame and a buffer spring, closing of the door and window can be buffered, the stability of the door and window is improved, and damage to the door and window is reduced.

The invention discloses a hydraulic torsion shock absorber, which is characterized by comprising a U-shaped structure (4); the U-shaped structure (4) is provided with a shock absorber shell (1), a side cover (3) is arranged at the lateral side of the shock absorber shell (1), and the side cover (3) is provided with an oil filling plug screw (2); a shock absorber body (7) is arranged in the shock absorber shell (1), the shock absorber body (7) is provided with a torsional vibration system (6), and the shock absorber body (7) is adaptive to the torsional vibration system (6); and the shock absorber shell (1) is fixedly connected to a U-shaped metal protective plate (5).

According to the hydraulic transmission control system of the hydraulic automatic transmission of the commercial vehicle, oil pumped out by an oil pump is divided into a plurality of paths, so that oil path connection between hydraulic elements is simpler and more visual, the phenomenon of oil pumping is avoided, the complexity of a hydraulic valve plate structure is reduced, and the reliability of the hydraulic valve plate structure is improved. More space layout application exists in the automatic transmission, and the axial size and the circumferential size of the whole box are shortened. And the retarder pressure control valve and the retarder switch control valve are simultaneously controlled through the retarder control electromagnetic valve, so that an oil path of the hydraulic control system is simple, the retarder switch control valve does not need to be independently controlled by an additional electromagnetic valve, and the use number of the electromagnetic valves and the complexity of the hydraulic oil path are reduced. The hydraulic control system of the automatic transmission is simple in structure, high in response speed and few in executive components, the control precision is high, meanwhile, enough stability is guaranteed, and therefore the mechanical and hydraulic transmission efficiency of the automatic transmission is improved.

The invention relates to a portable multi-caliber pipe pressing device comprising a high-strength plastic base, a press bar, a plurality of molding modules and two actuating rods. Two fitting seats are symmetrically arranged on the two sides of the upper end face of the high-strength plastic seat, a revolving seat is arranged on one side of the fitting seats located on the left side, the press bar is fixedly mounted at the upper end of the fitting seat; the molding modules which can slide leftwards and rightwards are arranged side by side between the press bar, the fitting seat and the high-strength plastic base; the actuating rods are symmetrically arranged on two sides of the press bar, one ends of the actuating rods are connected through a first revolving shaft penetrating out of the revolving-shaft seat, a second revolving shaft is connected in a position close to the first revolving between the actuating rods; and two ends of the revolving shaft are respectively connected with one ends of the connecting rods symmetrically arranged on two sides of the fitting seat, and the other ends of the connecting rods are connected with the leftmost molding module through a fourth revolving shaft. The portable multi-caliber pressing pipe device is simple in structure, small in size and light in weight, can support multi-caliber pipe pressing, and is convenient to operate.