Piston rod high-pressure sealing assembly of gas compressor

Abstract

The utility model relates to the technical field of gas compressors, and discloses a piston rod high-pressure sealing assembly of a gas compressor, which comprises a piston rod body, a mounting seat is welded on the piston rod body, the piston rod body is provided with a sealing mechanism, the sealing mechanism comprises a first gasket, a first sealing seat is arranged on one side of the first gasket, and a second sealing seat is arranged on the other side of the first gasket. The first sealing seat is sleeved with a first sealing ring, a second gasket is arranged on the outer side of the first sealing seat, a second sealing seat is arranged on one side of the second gasket, a second sealing ring is arranged on the outer side of the second sealing seat, and a fixing seat is arranged at the tail end of the piston rod body. According to the piston rod of the gas compressor, the sealing assembly is designed; the sealing performance during operation is ensured through the first sealing ring and the second sealing ring, meanwhile, the piston rod body is installed in the sealing assembly, the piston rod body can be protected, the whole sealing assembly can be disassembled subsequently, and damaged parts can be replaced conveniently.

Description

Technical Field

[0001] The present application relates to the technical field of gas compressors, and in particular to a piston rod high-pressure sealing assembly of a gas compressor. Background Art

[0002] A gas compressor is a power device that converts mechanical energy into gas pressure energy. It is often used to provide gas power for pneumatic tools. It is also commonly used to pressurize oxygen, hydrogen, ammonia, natural gas, coke oven gas, inert gas and other media in the petrochemical, drilling, metallurgical and other industries. The gas compressor has a piston rod inside, and the sealing of the piston rod is particularly important. In the prior art, the sealing of the piston rod generally relies on a sealing ring, but the sealing ring is prone to wear during long-term use, thereby reducing its sealing effect. It is inconvenient to replace the sealing ring, which greatly reduces work efficiency. Therefore, a gas compressor piston rod high-pressure sealing assembly is proposed to solve the problems described in the above background technology.

[0003] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0004] In order to solve the problem that the seal on the existing piston rod is inconvenient to replace, the present application provides a piston rod high-pressure seal assembly for a gas compressor.

[0005] The present application provides a gas compressor piston rod high pressure seal assembly adopts the following technical solution:

[0006] A piston rod high-pressure sealing assembly for a gas compressor comprises a piston rod body, a mounting seat is welded on the piston rod body, a plurality of through holes are formed on the mounting seat, the piston rod body is provided with a sealing mechanism, the sealing mechanism comprises a first gasket, the first gasket is sleeved on the piston rod body, a first sealing seat is provided on one side of the first gasket, a first sealing ring is sleeved on the first sealing seat, a first retaining ring is provided on the rear side of the first sealing ring, a second gasket is provided on the outer side of the first sealing seat, the second gasket is sleeved on the piston rod body, a second sealing seat is provided on one side of the second gasket, a second sealing ring is provided on the outer side of the second sealing seat, a second retaining ring is provided on the rear side of the second sealing ring, a fixing seat is provided at the end of the piston rod body, and a plurality of mounting holes are formed on the fixing seat.

[0007] Preferably, the first sealing seat and the second sealing seat are both sleeved on the piston rod body, and the first sealing seat is arranged at the rear side of the second sealing seat.

[0008] Preferably, a plurality of fixing holes are provided on the first sealing seat and the second sealing seat, and the plurality of through holes, fixing holes and mounting holes are arranged correspondingly.

[0009] Preferably, the fixing seat is arranged outside the second sealing seat, and the first sealing seat, the second sealing seat and the fixing seat are all arranged outside the mounting seat.

[0010] Preferably, screw rods are provided inside the plurality of mounting holes, and nuts are installed at the ends of the plurality of screw rods.

[0011] In summary, this application includes the following beneficial technical effects:

[0012] By designing a sealing assembly, when the piston rod of the gas compressor is in use, the sealing assembly is installed on the piston rod body. At this time, the first sealing ring and the second sealing ring are used to ensure the sealing during operation. At the same time, the piston rod body is installed inside the sealing assembly, which can protect the piston rod body. The sealing assembly can also be disassembled as a whole later, which is convenient for replacing damaged parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a structural schematic diagram of a piston rod body of an embodiment of the application;

[0014] Figure 2 is a schematic structural diagram of a sealing mechanism of an embodiment of the application;

[0015] Figure 3 It is a schematic diagram of the overall structure of the device of the embodiment of the application.

[0016] Explanation of the accompanying drawings: 1. piston rod body; 2. mounting seat; 3. through hole; 4. first gasket; 5. first sealing seat; 6. first sealing ring; 7. first retaining ring; 8. second gasket; 9. second sealing seat; 10. second sealing ring; 11. second retaining ring; 12. fixing hole; 13. fixing seat; 14. mounting hole; 15. screw; 16. nut. DETAILED DESCRIPTION

[0017] The following is combined with Figure 1 —3 Provide further details of this application.

[0018] The present application embodiment discloses a piston rod high pressure seal assembly for a gas compressor. Figure 1 A piston rod high-pressure sealing assembly for a gas compressor is used for sealing a piston rod body 1 during operation, comprising a piston rod body 1, a mounting seat 2 is welded on the piston rod body 1, a plurality of through holes 3 are provided on the mounting seat 2, and a sealing mechanism is provided on the piston rod body 1, the sealing mechanism is used to improve the sealing performance of the piston rod body 1, and the sealing mechanism can be disassembled and replaced as a whole, and the piston rod body 1 can also be protected to reduce the friction of the piston rod body 1;

[0019] When in use, the sealing mechanism is sleeved and installed on the mounting seat 2 of the piston rod body 1, so that the sealing mechanism can provide sealing when the piston rod body 1 is in operation, and the entire body can be disassembled and replaced during subsequent maintenance. At the same time, the sealing assembly can also protect the piston rod body 1 and reduce the friction of the piston rod body 1.

[0020] Reference Figure 2-3 The sealing mechanism includes a first gasket 4, which is sleeved on the piston rod body 1. A first sealing seat 5 is provided on one side of the first gasket 4. A first sealing ring 6 is sleeved on the first sealing seat 5. A first retaining ring 7 is provided on the rear side of the first sealing ring 6. A second gasket 8 is provided on the outer side of the first sealing seat 5. The second gasket 8 is sleeved on the piston rod body 1. A second sealing seat 9 is provided on one side of the second gasket 8. Both the first sealing seat 5 and the second sealing seat 9 are sleeved on the piston rod body 1. The first sealing seat 5 is arranged on the rear side of the second sealing seat 9. A second sealing ring is provided on the outer side of the second sealing seat 9 10, a second retaining ring 11 is provided at the rear side of the second sealing ring 10, a plurality of fixing holes 12 are provided on the first sealing seat 5 and the second sealing seat 9, a fixing seat 13 is provided at the end of the piston rod body 1, the fixing seat 13 is arranged on the outside of the second sealing seat 9, the first sealing seat 5, the second sealing seat 9 and the fixing seat 13 are all arranged on the outside of the mounting seat 2, a plurality of mounting holes 14 are provided on the fixing seat 13, a plurality of through holes 3, fixing holes 12 and mounting holes 14 are correspondingly arranged, a plurality of mounting holes 14 are provided with screws 15 inside, and a plurality of screws 15 are installed with nuts 16 at their ends;

[0021] During installation, the first gasket 4 and the first sealing seat 5 are sequentially sleeved on the piston rod body 1, and then the first sealing ring 6 is sleeved on the first sealing seat 5, and then the first sealing ring 6 is limited by the first retaining ring 7, and then the second gasket 8 and the second sealing seat 9 are arranged on the piston rod body 1, and the second sealing ring 10 is sleeved on the second sealing seat 9, and then the second sealing ring 10 is limited by the second retaining ring 11, and then the fixing seat 13 is sleeved on the piston rod body 1. At this time, multiple screws 15 are correspondingly inserted into the through hole 3 and the fixing hole 12, and then the sealing assembly is fixed to the mounting seat 2 by the nut 16; when the piston rod body 1 is subsequently in operation, the first sealing ring 6 and the second sealing ring 10 are used to ensure the sealing performance during operation, and the piston rod body 1 is installed in the sealing assembly at the same time, which can protect the piston rod body 1, and the sealing assembly can be disassembled as a whole later, so as to facilitate the replacement of damaged parts.

[0022] The implementation principle of a piston rod high-pressure sealing assembly of a gas compressor in an embodiment of the present application is as follows: when in use, the first gasket 4 and the first sealing seat 5 are sequentially sleeved on the piston rod body 1, and then the first sealing ring 6 is sleeved on the first sealing seat 5, and then the first sealing ring 6 is limited by the first retaining ring 7, and then the second gasket 8 and the second sealing seat 9 are arranged on the piston rod body 1, and the second sealing ring 10 is sleeved on the second sealing seat 9, and then the second sealing ring 10 is limited by the second retaining ring 11, and then the fixing seat 13 is sleeved on the piston rod body 1, at this time, multiple screws 15 are correspondingly inserted into the through hole 3 and the fixing hole 12, and then the sealing assembly is fixed to the mounting seat 2 by the nut 16; when the piston rod body 1 is subsequently in operation, the first sealing ring 6 and the second sealing ring 10 are used to ensure the sealing during operation.

[0023] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, which can be a mechanical connection or an electrical connection, or the internal communication of two components, or a direct connection. "upper", "lower", "left" and "right" are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0024] Secondly: The drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0025] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0026] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A piston rod high pressure seal assembly for a gas compressor, comprising a piston rod body (1), characterized in that: A mounting seat (2) is welded on the piston rod body (1), and a plurality of through holes (3) are provided on the mounting seat (2). The piston rod body (1) is provided with a sealing mechanism, and the sealing mechanism comprises a first gasket (4), the first gasket (4) is sleeved on the piston rod body (1), a first sealing seat (5) is provided on one side of the first gasket (4), a first sealing ring (6) is sleeved on the first sealing seat (5), a first retaining ring (7) is provided on the rear side of the first sealing ring (6), a second gasket (8) is provided on the outer side of the first sealing seat (5), the second gasket (8) is sleeved on the piston rod body (1), a second sealing seat (9) is provided on one side of the second gasket (8), a second sealing ring (10) is provided on the outer side of the second sealing seat (9), and a second retaining ring (11) is provided on the rear side of the second sealing ring (10), and a fixing seat (13) is provided at the end of the piston rod body (1), and a plurality of mounting holes (14) are provided on the fixing seat (13).

2. The piston rod high pressure seal assembly of a gas compressor according to claim 1, characterized in that: The first sealing seat (5) and the second sealing seat (9) are both sleeved on the piston rod body (1), and the first sealing seat (5) is arranged at the rear side of the second sealing seat (9).

3. The piston rod high pressure seal assembly of a gas compressor according to claim 1, characterized in that: The first sealing seat (5) and the second sealing seat (9) are both provided with a plurality of fixing holes (12), and the plurality of through holes (3), fixing holes (12) and mounting holes (14) are all provided correspondingly.

4. The piston rod high pressure seal assembly of a gas compressor according to claim 1, characterized in that: The fixing seat (13) is arranged outside the second sealing seat (9), and the first sealing seat (5), the second sealing seat (9) and the fixing seat (13) are all arranged outside the mounting seat (2).

5. The piston rod high pressure seal assembly of a gas compressor according to claim 1, characterized in that: Screw rods (15) are arranged inside the plurality of mounting holes (14), and nuts (16) are installed at the ends of the plurality of screw rods (15).

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