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

The invention discloses a hinged car chassis hinging system, and belongs to the technical field of vehicle chassis hinging. The hinged car chassis hinging system comprises a front frame, a rear frame, a turntable bearing and a hydraulic damping device providing damping for relative rotation of the front frame and the rear frame. The front frame and the rear frame are respectively and fixedly connected with the turntable bearing; center holes are respectively formed in the inner side of the front frame and the inner side the rear frame; the hydraulic damping device is placed in the center hole of the front frame, and comprises a stator, a rotor rotating relative to the stator and a hydraulic cavity formed between the stator and the rotor; the stator is matched with the front frame and fixedly connected with the front frame; and the rotor is matched with the rear frame through connecting keys and movably connected with the rear frame. The hinged car chassis hinging system has the advantages of being simple and compact in structure, simple to machine, low in weight, long in service life, strong in torsion resistance, reliability and practicability and the like, and can also avoid the oil-leaking phenomenon.

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 a waste-free edible oil bottle convenient for oil to pour out. The edible oil bottle comprises a bottle body, an oil outlet pipe, an oil feeding hole, a bottle cap and a handle. An opening is formed in the top of the bottle body, the bottle cap is connected with the inner side of the opening in a sleeved mode, one side of the bottle cap is fixedly connected with the oil outlet pipe which penetrates through the bottle cap, the top end of the oil outlet pipe is fixedly connected with an oil pouring pipe through a connection ring, the oil feeding hole is formed in the position, on one side of the oil outlet pipe, of the bottle cap, the top of the oil feeding hole is sleeved with an oil feeding cap, and the handle is fixedly connected with one side of the bottle body. When the oil outlet pipe is fixedly connected with the oil pouring pipe through the connection ring, the length for draining the oil is increased; a pipe mouth of the oil outlet pipe is slant, so that straight oil leakage is avoided; the portion close to the bottom of the bottle cap and the portion close to the bottom of the oil feeding cap are fixedly connected with a seal ring and a big seal ring respectively, so that the sealing effect of the oil bottle is remarkable; an air hole is formed in the bottle cap, the air hole is small so that oil pouring cannot be affected and harmful substances or dust cannot enter in use, and the oil quality is further ensured.

The invention discloses a hydraulic electromagnetic valve which comprises electromagnetic assemblies, a valve body, a valve sleeve, a valve core and rubber rings, wherein a through hole is formed in the valve body; the valve sleeve is arranged in the through hole of the valve body; the valve core is arranged in the valve sleeve; the electromagnetic assemblies are arranged at two ends of the through hole of the valve body; the electromagnetic assemblies informs that the valve core moves in the valve sleeve; the rubber rings are arranged at two ends of the valve sleeve; and springs for compressing the rubber rings are arranged between the rubber rings and the electromagnetic assemblies. The rubber rings and the springs are arranged between the valve sleeve and the electromagnetic assemblies; the springs supply pressure to the rubber rings; due to the pressure supplied by the springs, the rubber rings and pieces which are in contact with the rubber rings can be in close contact, so that the phenomenon of oil leakage can be avoided; furthermore, by the arrangement of the valve sleeve, damage to the hydraulic electromagnetic valve due to the friction generated by the valve core and the valve body during work is effectively prevented; and the valve body is effectively protected.

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 provides a gold stamping roller heating device, and relates to the field of gold stamping rollers. The gold stamping roller heating device comprises a switch, a heating tube and a gold stamping roller. The gold stamping roller comprises a first holding cavity. The first holding cavity is filled with a heat conducting material layer. An opening is formed in one end of the gold stamping roller, one end of the heating tube passes through the opening and is located in the first holding cavity, and the switch is electrically connected with the heating tube. In the whole heating process and the gold stamping technology execution process, the whole gold stamping roller heating device cannot discharge oil fume, the phenomenon of oil leakage cannot exist, energy conservation and environmental protection are achieved, no oil pumps need to be arranged, and a certain production cost is saved.

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 provides a hydraulic hose four way connection joint body, relates to the hydraulic industry, and is applied to hydraulic device oil way hose joint connection. The hydraulic hose four way connection joint body comprises a body, four passageways, namely passageway I, passageway II, passageway III and passageway IV, are arranged on the body, threads are arranged outside each passageway, the inner diameter of each passageway enlarges from inside to outside gradually to form an expanding opening, and the expansion angle of the expanding opening is 24 degrees minus or plus 30'. The four passageways are in a same level, and are distributed in a criss-cross manner. The hydraulic hose four way connection joint body has the advantages that each passageway is designed with an expanding opening, so that the hose joints are inserted into the four way connection joint body when being connected, the problem of nonalignment is completely solved, sealing effect is greatly improved, the existence of a slit at the connecting part when the hydraulic load increases is avoided, and oil leakage is avoided as well.

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 relates to a hydraulic control valve, a hydraulic operating mechanism and a circuit breaker using the hydraulic control valve. The hydraulic control valve includes a valve body with a valve cavity inside. High-pressure oil port, control oil port and normal low-pressure oil port; valve core; the inner wall of the valve cavity is provided with an equal-diameter straight section between the normal-high-pressure oil port and the normal-high-low oil port. At least one of them is provided with a sealing ring to realize the sliding and sealing fit between the valve core and the equal-diameter straight section; the reciprocating sliding stroke of the valve core has a first limit position and a second limit position. Between the high pressure oil port and the control oil port, the normal and low pressure oil port is connected with the control oil port; when it is in the second limit position, the spool is located between the normal and low pressure oil port and the control oil port, and the normal and high pressure oil port is connected with the control oil port . The requirements for the position of the spool after it moves into place are not too strict, and a certain position deviation is allowed, which reduces the difficulty of processing and assembly.

The invention discloses an oil leakage prevention supporting bearing. The bearing comprises an inner ring, an outer ring, a middle hole, a middle groove, a rolling body and a retainer, wherein the middle hole is formed in the middle of the inner ring in a penetrating mode, the outer ring is arranged on the outer side of the inner ring, the middle groove is formed in the middle of the inner sides of the outer ring and the inner ring, a sliding ring is arranged at the bottom of the retainer, the bottom of the sliding ring is clamped in a sliding groove, an oil injection hole is formed in the topend of the retainer, and a fixing plug is clamped in the oil injection hole. When the oil leakage prevention supporting bearing is used, waste of work caused by throwing out of lubricating oil duringrotary centrifugation is avoided, meanwhile, impurities cannot enter a rolling body, uniform oil injection work can be conveniently carried out on the outer portion of the rolling body, the service life of the whole rolling body can be prolonged, frequent oil injection work is not needed, and the phenomenon of waste of lubricating oil is avoided.

Disclosed is a novel flange type tubing pup joint used for an oil field. The novel flange type tubing pup joint comprises a tubing pup joint, wherein the tubing pup joint is provided with an oil through hole; a set of inserting connection fixing holes are formed around the circumference of the tubing pup joint; the number of the inserting connection fixing holes is 3 to 8; the circumference of each of the inserting connection fixing holes is connected with three triangular inserting grooves with an included angle of 120 degrees; the inserting connection fixing holes are connected to position-fixing clamping grooves; fixing rods are inserted into the inserting connection fixing holes in a tight fit manner; the circumference of each of the fixing rods is connected with three triangular inserting rods with an included angle of 120 degrees; the triangular inserting rods are inserted into the triangular inserting grooves in a tight fit manner; the fixing rods are fixedly connected to position-fixing clamping plates; the position-fixing clamping plates are fixedly connected to a bushing; the inner diameter of the bushing is 0.4 cun to 2 cuns; the bushing is inserted into the oil throughhole; and the position-fixing clamping plates are inserted into the position-fixing clamping grooves in a tight fit manner. The novel flange type tubing pup joint is used for the oil field.

The invention discloses a case oil injection device for oiling of a stepping motor. The case oil injection device for oiling of the stepping motor comprises a worktable. An oil injection support is fixedly mounted on the worktable. An oil injection air cylinder is arranged at the upper end of the oil injection support. An oil injection pipe is arranged at the lower end of the oil injection air cylinder. An oil injection nozzle is arranged at the end of the oil injection pipe. A conveying belt is arranged below the oil injection support. A baffle is arranged on one side of the conveying belt, and a limiter support is arranged on the other side of the conveying belt. Main propulsion air cylinders are symmetrically arranged on the limiter support. A limiter is arranged on the main propulsion air cylinders. Automatic oil injection can be conducted on a central shaft of a case of the stepping motor, the labor cost is reduced, the production efficiency is improved, and the product quality of the stepping motor is promoted.

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).

The invention relates to a low-temperature drying method of camellia oleifera fruits. The low-temperature drying method comprises the following steps of (1) performing picking; (2) performing stackingtreatment: stacking the picked camellia oleifera fruits in a room, adding ethylene to the stacking room, performing ripening treatment, and then performing air circulation treatment in the room withan air circulation machine; (3) performing primary drying: placing the stacked camellia oleifera fruits under sunshine, performing airing, and performing peeling; and (4) performing secondary drying:placing camellia oleifera seeds in pretreatment fluid, performing soaking treatment, performing airing to remove moisture, adding the aired camellia oleifera seeds to a hot air drying machine, performing drying, and placing the dried camellia oleifera seeds in a normal-temperature light-resistant environment for storage. According to the method provided by the invention, the stacking time of the picked fresh camellia oleifera fruits can be greatly shortened, and the mildew rate of the camellia oleifera fruits can be reduced; and in the drying process, the camellia oleifera seeds can achieve the effect of being uniformly heated, the drying time is shortened, and the drying heat energy loss is reduced. The camellia oleifera seeds treated by the low-temperature drying method disclosed by theinvention are long in storage life and high in preservation quality.

The invention discloses a manual oil supply lubricating pump, which includes a handle bracket, an oil cylinder body, an oil tank and an oil outlet crossarm, wherein an oil outlet is arranged at one end of the oil tank; the oil outlet is communicated with mechanical equipment through a pipeline; and a one-way valve used for avoiding oil inside the pipeline from flowing back is arranged inside the oil outlet. The manual oil supply lubricating pump is characterized in that the handle bracket, the oil cylinder body, the oil outlet crossarm and the oil tank are integrally formed; and an oil filtering device is arranged inside the oil tank. The manual oil supply lubricating pump has the advantages of reasonable structure, strong practicability and high operating efficiency.

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.

The invention relates to a self-lubricating bearing which comprises an outer ring, an inner ring, a holder and rolling bodies. The outer ring and the inner ring are each of a circular structure. The inner diameter of the outer ring is larger than the outer diameter of the inner ring. The rolling bodies are evenly mounted between the outer ring and the inner ring and are fixedly mounted on the holder. According to the self-lubricating bearing, the problems that during oil injection of an existing bearing, oil injection is inconvenient, the sealing effect of a bearing inner cavity is poor after oil injection, lubricating oil is prone to overflowing out, consequently, the lubricating oil is wasted, surroundings are contaminated, when the existing self-lubricating bearing is used, the self-lubricating effect is poor, liquid output of the lubricating oil is not stable, and the self-lubricating bearing is hard to machine and high in production cost can be solved; and the self-lubricating bearing has the advantages that the lubricating effect is achieved, oil output is stable, and the phenomenon of oil leaking cannot happen.