Gas-liquid mixed pressure type energy-saving oil cylinder

Abstract

The utility model relates to the technical field of hydraulic oil cylinders, in particular to a gas-liquid mixed pressure type energy-saving oil cylinder which comprises a mixing cylinder and a base, the lower end of the mixing cylinder is fixedly connected with the base, an end cover is installed at the end of the mixing cylinder, the inner wall of the end cover is fixedly connected with a sealing sleeve, and the upper end of the sealing sleeve is fixedly connected with a dustproof ring. The inner wall of the sealing sleeve is connected with an auxiliary mechanism. By controlling hydraulic oil injected or discharged outwards from the same oil valves at the upper end and the lower end of the mixing cylinder, the piston rod freely stretches out and draws back in the mixing cylinder when being pushed, the inflation valve injects and discharges different air pressures into and out of the hollow rod, and the hollow rod is sealed by the sealing ring on the inner wall of the piston rod, so that a cavity in the piston rod can push and pull the piston rod; power can be independently provided for different positions of the piston rod in the mixing cylinder through the oil valve and the inflation valve, independent power supply of gas and liquid is achieved, use of different object strengths is improved, and different energy-saving effects are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydraulic oil cylinder field, concretely to a kind of energy-saving oil cylinder of gas-liquid mixed pressure. BACKGROUND

[0002] Hydraulic oil cylinder is the energy conversion device that converts hydraulic energy into reciprocating linear motion, and it is converted into mechanical energy when using it to realize reciprocating motion, which can avoid speed reducer, and there is no transmission gap, and the movement is stable, so that it is widely used in various mechanical hydraulic systems.

[0003] For example, a kind of energy-saving oil cylinder of gas-liquid mixed pressure with the authorization announcement number "CN212717460U", although it solves the problem that the energy consumption of the existing energy-saving oil cylinder of gas-liquid mixed pressure cannot be saved, the above-mentioned energy-saving oil cylinder of gas-liquid mixed pressure, gas needs to be injected into the oil cylinder together with internal hydraulic oil, cannot provide power alone, resulting in limited use. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the existing energy-saving oil cylinder of gas-liquid mixed pressure cannot provide power alone, resulting in limited use, and proposes an energy-saving oil cylinder of gas-liquid mixed pressure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an energy-saving oil cylinder of gas-liquid mixed pressure, comprising a mixing cylinder and a base, the lower end of the mixing cylinder is fixedly connected with the base, the end of the mixing cylinder is provided with an end cover, the inner wall of the end cover is fixedly connected with a sealing sleeve, the upper end of the sealing sleeve is fixedly connected with a dustproof ring, and the inner wall of the sealing sleeve is connected with an auxiliary mechanism.

[0006] Preferably, the auxiliary mechanism comprises a piston rod, the outer wall of the piston rod is slidably connected with the sealing sleeve, the inner wall of the piston rod is processed with a cavity, the inner wall of the cavity is fixedly connected with a sealing ring, and the inner wall of the sealing ring is slidably connected with a hollow rod.

[0007] Preferably, the end of the piston rod is fixedly connected with a piston rod cap, and the outer wall of the piston rod is connected with a displacement mechanism.

[0008] Preferably, the displacement mechanism comprises a circular ring, the inner wall of the circular ring is fixedly connected with the piston rod, the outer wall of the circular ring is abutted tightly with a buffer sleeve, the outer wall of the buffer sleeve is fitted with an anti-wear ring, and the outer wall of the anti-wear ring is fitted with a piston main seal.

[0009] Preferably, the inner wall of the piston main seal is threadedly connected with the piston rod.

[0010] Preferably, the outer wall of the hollow rod is in communication with the inflation valve, and the outer wall of the inflation valve is fixedly connected with the mixing cylinder.

[0011] Preferably, the outer wall of the mixing cylinder is fixedly connected with the oil valve.

[0012] The gas-liquid mixed pressure type energy-saving oil cylinder has the advantages that the hydraulic oil is injected or discharged outward through the oil valves at the same upper and lower ends of the mixing cylinder, the piston rod is freely stretched and contracted in the mixing cylinder when the piston rod is subjected to a thrust force, the inflation valve injects and discharges different gas pressures into and out of the hollow rod, the piston rod is sealed by the sealing ring on the inner wall of the piston rod, the cavity in the piston rod can provide thrust and pull force, the oil valve and the inflation valve can separately provide power to the piston rod at different positions in the mixing cylinder, the gas and the liquid separately provide power, the use of force on different objects is improved, and different energy-saving effects are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a Figure 1 middle front view sectional structure schematic view;

[0015] Figure 3 It is a Figure 1 middle top view sectional structure schematic view;

[0016] Figure 4 It is a Figure 2 middle A enlarged structure schematic view;

[0017] Figure 5 It is a Figure 2 middle B enlarged structure schematic view;

[0018] Figure 6 It is a Figure 2 middle C enlarged structure schematic view.

[0019] In the drawing: 1, mixing cylinder, 2, base, 3, end cover, 4, sealing sleeve, 5, dustproof ring, 6, auxiliary mechanism, 601, piston rod, 602, cavity, 603, sealing ring, 604, hollow rod, 7, piston rod cap, 8, displacement mechanism, 801, circular ring, 802, buffer sleeve, 803, anti-wear ring, 804, piston main sealing, 9, inflation valve, 10, oil valve. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings:

[0021] Example 1:

[0022] Please refer to Figures 1-6The embodiment is a gas-liquid mixed pressure type energy-saving oil cylinder, which comprises a mixing cylinder 1 and a base 2, the lower end of the mixing cylinder 1 is fixedly connected with the base 2, the end of the mixing cylinder 1 is provided with an end cover 3, the inner wall of the end cover 3 is fixedly connected with a sealing sleeve 4, the upper end of the sealing sleeve 4 is fixedly connected with a dust ring 5, and the inner wall of the sealing sleeve 4 is connected with an auxiliary mechanism 6.

[0023] The auxiliary mechanism 6 comprises a piston rod 601, the outer wall of the piston rod 601 is slidably connected with the sealing sleeve 4, the inner wall of the piston rod 601 is processed with a cavity 602, the inner wall of the cavity 602 is fixedly connected with a sealing ring 603, and the inner wall of the sealing ring 603 is slidably connected with a hollow rod 604.

[0024] The hydraulic oil is injected or discharged from the same oil valve 10 at the upper and lower ends of the mixing cylinder 1, the piston rod 601 is freely stretched and contracted in the mixing cylinder 1 when the piston rod 601 is subjected to a thrust force, the hollow rod 604 is injected and discharged with different gas pressures by the inflation valve 9, the sealing ring 603 on the inner wall of the piston rod 601 is sealed, the cavity 602 in the piston rod 601 can provide thrust and pull force to the piston rod 601, the different positions of the piston rod 601 in the mixing cylinder 1 can be separately powered through the oil valve 10 and the inflation valve 9, the gas and liquid can be separately powered, the use of different objects is improved, and different energy-saving effects are achieved.

[0025] The end of the piston rod 601 is fixedly connected with a piston rod cap 7, the outer wall of the piston rod 601 is connected with a displacement mechanism 8, the piston rod 601 is sealed in the mixing cylinder 1 through the piston main sealing 804 on the outer wall of the piston rod 601, is subjected to a thrust force of an external force, and can be displaced in the mixing cylinder 1, the displacement mechanism 8 comprises a circular ring 801, the inner wall of the circular ring 801 is fixedly connected with the piston rod 601, the outer wall of the circular ring 801 abuts against a buffer sleeve 802, the buffer sleeve 802 is made of polyethylene material, is subjected to extrusion of the buffer sleeve 802, has a buffering effect, the outer wall of the buffer sleeve 802 abuts against an anti-wear ring 803, the outer wall of the anti-wear ring 803 abuts against the piston main sealing 804, the piston main sealing 804 is made of aluminum alloy material, is usually made of high-carbon steel, and has a surface treated by hard chromium plating to improve the wear resistance of the sealing ring.

[0026] The inner wall of the piston main sealing 804 is threadedly connected with the piston rod 601, the outer wall of the hollow rod 604 is connected with the inflation valve 9, the outer wall of the inflation valve 9 is fixedly connected with the mixing cylinder 1, and the outer wall of the mixing cylinder 1 is fixedly connected with the oil valve 10.

[0027] Working principle:

[0028] When the piston rod 601 is subjected to the thrust force by controlling the injection or discharge of the hydraulic oil from the oil valve 10 at the same upper and lower ends of the mixing cylinder 1 to generate the extrusion of the hydraulic oil inside the mixing cylinder 1, and the sealing of the mixing cylinder 1 end by the piston main seal 804 on the piston rod 601 and the sealing sleeve 4 on the end cover 3, the piston rod 601 is freely stretched and contracted in the mixing cylinder 1, and the hollow rod 604 is injected and discharged with different gases by the inflation valve 9, and the sealing of the piston rod 601 inner wall by the sealing ring 603, so that the cavity 602 inside the piston rod 601 generates different gas pressures, and the gases can provide auxiliary thrust and pulling force effects in the piston rod 601 inside the mixing cylinder 1, and the flow control of the oil valve 10 and the inflation valve 9 can be performed, so that the thrust of the mixing cylinder 1 is less than or equal to the weight of the working piece, the closer to the equal weight of the working piece, the smaller the output thrust and pulling force required by the hydraulic oil cylinder, the more energy-saving, and the oil valve 10 and the inflation valve 9 on the mixing cylinder 1 work independently.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A gas-liquid mixed pressure energy-saving oil cylinder, comprising a mixing cylinder (1) and a base (2), the lower end of the mixing cylinder (1) is fixedly connected with the base (2), characterized in that: The end of the mixing cylinder (1) is provided with an end cover (3), the inner wall of the end cover (3) is fixedly connected with a sealing sleeve (4), the upper end of the sealing sleeve (4) is fixedly connected with a dust ring (5), and the inner wall of the sealing sleeve (4) is connected with an auxiliary mechanism (6).

2. The gas-liquid mixed pressure energy-saving oil cylinder according to claim 1, characterized in that: The auxiliary mechanism (6) comprises a piston rod (601), the outer wall of the piston rod (601) is slidably connected with the sealing sleeve (4), the inner wall of the piston rod (601) is processed with a cavity (602), the inner wall of the cavity (602) is fixedly connected with a sealing ring (603), and the inner wall of the sealing ring (603) is slidably connected with a hollow rod (604).

3. The gas-liquid mixed pressure energy-saving oil cylinder according to claim 2, characterized in that: The end of the piston rod (601) is fixedly connected with a piston rod cap (7), and the outer wall of the piston rod (601) is connected with a displacement mechanism (8).

4. The gas-liquid mixed pressure energy-saving oil cylinder according to claim 3, characterized in that: The displacement mechanism (8) comprises a circular ring (801), the inner wall of the circular ring (801) is fixedly connected with the piston rod (601), the outer wall of the circular ring (801) is abutted tightly with a buffer sleeve (802), the outer wall of the buffer sleeve (802) is abutted with an anti-wear ring (803), and the outer wall of the anti-wear ring (803) is abutted with a piston main seal (804).

5. The gas-liquid mixed pressure energy-saving oil cylinder according to claim 4, characterized in that: The inner wall of the piston main seal (804) is threadedly connected with the piston rod (601).

6. The gas-liquid mixed pressure energy-saving oil cylinder according to claim 2, characterized in that: The outer wall of the hollow rod (604) is communicated with an inflation valve (9), and the outer wall of the inflation valve (9) is fixedly connected with the mixing cylinder (1).

7. The gas-liquid mixed pressure energy-saving oil cylinder according to claim 1, characterized in that: The outer wall of the mixing cylinder (1) is fixedly connected with an oil valve (10).

Images