Compressor capable of quickly replacing high-pressure gas piston seal

Abstract

The utility model relates to the technical field of compressors, in particular to a compressor capable of quickly replacing high-pressure gas piston seals, which adopts the technical scheme that the compressor comprises a pressurizing assembly, compression assemblies are respectively communicated and mounted on two sides of the pressurizing assembly through communicating sleeves, and second pistons are respectively movably mounted on two sides in the pressurizing assembly. The two second pistons are fixedly connected through a second connecting rod, first connecting rods are fixedly mounted on the opposite sides of the two second pistons correspondingly, the two first connecting rods penetrate through the communicating sleeve correspondingly and are movably mounted in the compression assembly, and first pistons are fixedly mounted at the ends, away from each other, of the two first connecting rods correspondingly; the two ends of the pressurizing assembly are connected and installed with the communicating sleeve through second installation bolts correspondingly. The piston assembly has the advantage that the damaged piston assembly can be conveniently and rapidly replaced, and the problem that in the prior art, the damaged piston assembly is inconvenient to replace is solved.

Description

Technical Field

[0001] This utility model relates to the field of compressor technology, specifically to a compressor with a high-pressure gas piston seal that can be quickly replaced. Background Technology

[0002] Reciprocating compressors are widely used in various gas compression fields, such as refrigeration, air conditioning, natural gas, and air compression.

[0003] Extensive searches revealed CN208123033U, which discloses a high-pressure gas sealing device for a piston compressor. The device includes a combined gas valve located at the interface between the cylinder head and the cylinder, a stuffing box seat located at the lower end of the piston, and packing installed within the cavity of the stuffing box seat. A guide sleeve is provided between the bottom of the stuffing box seat and the piston, a throttling ring is provided between the top of the stuffing box seat cavity and the piston, and an oil scraper ring is provided between the bottom of the stuffing box seat cavity and the piston. From top to bottom, a sealing bowl, a flow-blocking ring, and a pair of support rings and sealing rings are sequentially arranged between the packing and the piston.

[0004] In existing technologies, the high-pressure gas is gradually depressurized during use, which reduces the pressure on the packing inside the cylinder. However, if the internal piston is damaged, it is difficult to replace it quickly. Therefore, a compressor that can quickly replace the high-pressure gas piston seal is proposed to solve the above problem. Utility Model Content

[0005] The purpose of this invention is to provide a compressor with a quick-replacement high-pressure gas piston seal, which has the advantage of being easy to quickly replace with damaged piston assemblies, thus solving the problem of inconvenient replacement of piston assemblies after damage in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a compressor with a quick-change high-pressure gas piston seal, comprising a pressurizing assembly, wherein a compression assembly is installed on both sides of the pressurizing assembly through a connecting sleeve, and a second piston is movably installed on both sides inside the pressurizing assembly, the two second pistons are fixedly connected by a second connecting rod, and a first connecting rod is fixedly installed on the opposite side of the two second pistons, the two first connecting rods pass through the connecting sleeve and are movably installed inside the compression assembly, and a first piston is fixedly installed on one end of each of the two first connecting rods facing away from each other;

[0007] The pressurizing component is connected to the connecting sleeve at both ends by the second mounting bolts.

[0008] Preferably, the upper end face of the pressurizing component has openings on both sides and is connected to a second connecting pipe. The two second connecting pipes are respectively installed on the outer wall of the pressurizing component on the opposite side of the first piston and the second piston. In this design, gas can be flexibly introduced or extracted through the second connecting pipes. By alternately injecting or evacuating gas into the two second connecting pipes, the internal pressure of the pressurizing component can be adjusted, thereby driving the second piston to reciprocate within the pressurizing component.

[0009] Preferably, the compression assembly includes a compression chamber. A connecting cover is embedded in the end of the compression chamber opposite to the pressurization assembly. One-way valves are embedded in the upper and lower ends of the connecting cover, respectively. A sealing cover is fixed to the middle of the side of the connecting cover opposite to the compression chamber by a first mounting bolt. The one-way valve design ensures that the gas can only flow in one direction, preventing energy loss and mechanical damage caused by backflow, and improving the efficiency and reliability of the compressor.

[0010] The separate design of the connecting cover and the compression chamber makes the compressor more modular, which facilitates maintenance and replacement of damaged parts, reducing maintenance costs and time.

[0011] Preferably, the first mounting bolt passes through the connecting cover and is threadedly connected to the connecting sleeve. The threaded connection of the first mounting bolt in this design facilitates quick assembly and disassembly of the compression assembly and the connecting sleeve, improving the ease of replacing the piston assembly.

[0012] Threaded connections provide good mechanical strength, ensuring a secure connection between the compression assembly and the connecting sleeve, and preventing leaks or mechanical failures due to loosening.

[0013] Preferably, the upper end face of the compression chamber has an opening near the connecting cover, and a first connecting pipe is installed therethrough. In this design, the first connecting pipe serves as a gas inlet, providing a connection point between the compressor and an external system, facilitating the introduction of gas.

[0014] Preferably, the second piston has a grooved contact surface with the pressurizing component, into which a first sealing ring is embedded, and a grooved contact surface with the connecting sleeve, into which a second sealing ring is embedded. The design of the first and second sealing rings ensures a good seal between the piston and the pressurizing component and the connecting sleeve, preventing gas leakage and improving the efficiency and safety of the compressor.

[0015] The use of embedded sealing rings improves their wear and aging resistance, extends their service life, and reduces the frequency of replacement.

[0016] Because the seal is embedded, the entire piston assembly does not need to be disassembled for replacement, reducing maintenance difficulty and cost.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] This invention adopts a modular design, in which the compression assembly includes a compression chamber and a connecting cover, the connecting cover being connected to the connecting sleeve via a first mounting bolt. This design makes the compression assembly an independent module, facilitating disassembly and replacement. The pressurizing assembly is connected to the connecting sleeve at both ends via second mounting bolts, also achieving a modular design. The contact surfaces of the second piston with the pressurizing assembly and the connecting sleeve are respectively embedded with a first sealing ring and a second sealing ring, ensuring good sealing performance and preventing gas leakage. Both the first and second mounting bolts are threaded connections, facilitating quick assembly and disassembly. Through modular design and threaded connections, the piston assembly can be quickly assembled and disassembled, reducing maintenance costs and time. The embedded sealing rings improve wear and aging resistance, extending service life and reducing replacement frequency. The one-way valve ensures unidirectional gas flow, preventing energy loss and mechanical damage caused by gas backflow, thus improving the compressor's efficiency and reliability.

[0019] In summary, this compressor, through its modular design, enables rapid replacement of damaged piston components, solving the problem of inconvenient replacement in existing technologies. Attached Figure Description

[0020] Figure 1 This is a frontal cross-sectional view of the present invention.

[0021] Figure 2 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0022] Figure 3 For the present utility model Figure 1 Enlarged structural diagram at point B;

[0023] Figure 4 This is a top view of the structure of this utility model.

[0024] In the diagram: 1. Compression assembly; 11. Compression chamber; 111. First connecting pipe; 12. Connecting cap; 121. One-way valve; 13. Sealing cap; 131. First mounting bolt; 2. Pressurization assembly; 21. Second connecting pipe; 3. First connecting rod; 31. First piston; 32. Second piston; 321. First sealing ring; 33. Second sealing ring; 4. Connecting sleeve; 41. Second mounting bolt; 5. Second connecting rod. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1

[0027] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, one embodiment of this utility model is provided: a compressor with a quick-change high-pressure gas piston seal, including a pressurizing component 2, a compression component 1 connected to both sides of the pressurizing component 2 through a connecting sleeve 4, a second piston 32 movably installed on both sides inside the pressurizing component 2, the two second pistons 32 being fixedly connected by a second connecting rod 5, a first connecting rod 3 being fixedly installed on the opposite side of the two second pistons 32, the two first connecting rods 3 passing through the connecting sleeve 4 and movably installed inside the compression component 1, and a first piston 31 being fixedly installed on one end of each of the two first connecting rods 3 facing away from each other;

[0028] The two ends of the pressurizing component 2 are connected to the connecting sleeve 4 by the second mounting bolt 41.

[0029] Specifically, through a modular design, the compression assembly 1 includes a compression chamber 11 and a connecting cover 12, with the connecting cover 12 connected to the connecting sleeve 4 via a first mounting bolt 131. This design makes the compression assembly 1 an independent module, facilitating disassembly and replacement. The pressurizing assembly 2 is connected to the connecting sleeve 4 at both ends via second mounting bolts 41, also achieving a modular design. The second piston 32 has a first sealing ring 321 and a second sealing ring 33 embedded in its contact surfaces with the pressurizing assembly 2 and the connecting sleeve 4, respectively, ensuring good sealing and preventing gas leakage. The connections of the first mounting bolt 131 and the second mounting bolt 41 are both threaded, facilitating quick assembly and disassembly. The modular design and threaded connections enable quick assembly and disassembly of the piston assembly, reducing maintenance costs and time. The embedded sealing rings improve wear and aging resistance, extending service life and reducing replacement frequency. The one-way valve 121 ensures unidirectional gas flow, preventing energy loss and mechanical damage caused by gas backflow, and improving the compressor's efficiency and reliability.

[0030] In summary, this compressor, through its modular design, enables rapid replacement of damaged piston components, solving the problem of inconvenient replacement in existing technologies.

[0031] Example 2

[0032] To facilitate the separation of the pressurization chamber, connecting sleeve, and compression chamber, such as Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment, the upper end face of the pressurizing component 2 has openings on both sides and is connected to a second connecting pipe 21. The two second connecting pipes 21 are respectively installed on the outer wall of the pressurizing component 2 on the opposite side of the first piston 31 and the second piston 32. In this design, gas can be flexibly introduced or extracted through the second connecting pipes 21. By alternately injecting or evacuating gas into the two second connecting pipes 21, the internal pressure of the pressurizing component 2 can be adjusted, thereby driving the second piston 32 to reciprocate within the pressurizing component 2.

[0033] Furthermore, the compression assembly 1 includes a compression chamber 11. A connecting cover 12 is embedded in the end of the compression chamber 11 opposite to the pressurization assembly 2. One-way valves 121 are embedded in the upper and lower ends of the connecting cover 12, respectively. A sealing cover 13 is fixedly installed in the middle of the side of the connecting cover 12 opposite to the compression chamber 11 by a first mounting bolt 131. The one-way valve 121 ensures that the gas can only flow in one direction, preventing energy loss and mechanical damage caused by backflow, and improving the efficiency and reliability of the compressor.

[0034] The separate design of the connecting cover 12 and the compression chamber 11 makes the compressor more modular, which facilitates maintenance and replacement of damaged parts, and reduces maintenance costs and time.

[0035] Furthermore, the first mounting bolt 131 passes through the connecting cover 12 and is threadedly connected to the connecting sleeve 4. The threaded connection of the first mounting bolt 131 in the design allows for easy and quick assembly and disassembly of the compression assembly 1 and the connecting sleeve 4, improving the convenience of replacing the piston assembly.

[0036] The threaded connection provides good mechanical strength, ensuring a secure connection between the compression assembly 1 and the connecting sleeve 4, and preventing leakage or mechanical failure due to loosening.

[0037] Furthermore, an opening is made on the upper surface of the compression chamber 11 near the connecting cover 12, and a first connecting pipe 111 is installed therethrough. In this design, the first connecting pipe 111 serves as a gas inlet, providing a connection point between the compressor and an external system, facilitating the introduction of gas.

[0038] Furthermore, the second piston 32 has a grooved contact surface with the pressurizing assembly 2, into which a first sealing ring 321 is embedded; the second piston 32 has a grooved contact surface with the connecting sleeve 4, into which a second sealing ring 33 is embedded. The design of the first sealing ring 321 and the second sealing ring 33 ensures a good seal between the piston and the pressurizing assembly 2 and the connecting sleeve 4, preventing gas leakage and improving the efficiency and safety of the compressor.

[0039] The use of embedded sealing rings improves their wear and aging resistance, extends their service life, and reduces the frequency of replacement.

[0040] Because the seal is embedded, the entire piston assembly does not need to be disassembled for replacement, reducing maintenance difficulty and cost.

[0041] When using this invention, ensure all air sources connected to the compressor are shut off to avoid accidents during disassembly. Use tools to loosen and remove the first mounting bolt 131 on the sealing cover 13, thereby removing the sealing cover 13 from the connecting cover 12. This step is to allow access to the internal connecting sleeve 4 and the first connecting rod 3. Next, loosen the second mounting bolt 41 and disconnect the connecting sleeve 4 from the pressurizing assembly 2. Once the connecting sleeve 4 is disconnected, the first connecting rod 3 and its first piston 31 and second piston 32 can be pulled out from the pressurizing assembly 2 and the compression assembly 1. During piston removal, check the integrity of the first sealing ring 321 and the second sealing ring 33. If damage or wear is found, replace them.

[0042] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A compressor with a quick-change high-pressure gas piston seal, comprising a pressurizing assembly (2), wherein a compression assembly (1) is installed on both sides of the pressurizing assembly (2) via connecting sleeves (4), characterized in that: The pressurizing assembly (2) has two second pistons (32) movably installed on both sides inside. The two second pistons (32) are fixedly connected by a second connecting rod (5). The two second pistons (32) are fixedly installed on opposite sides of each other. The two first connecting rods (3) pass through the connecting sleeve (4) and are movably installed inside the compression assembly (1). The two first connecting rods (3) are fixedly installed with a first piston (31) at opposite ends. The pressurizing component (2) is connected to the connecting sleeve (4) at both ends by the second mounting bolt (41).

2. The compressor with a quickly replaceable high-pressure gas piston seal according to claim 1, characterized in that, The upper end face of the pressurizing component (2) has holes on both sides and is connected to a second connecting pipe (21). The two second connecting pipes (21) are respectively installed on the outer wall of the pressurizing component (2) on the opposite side of the first piston (31) and the second piston (32).

3. A compressor with a quickly replaceable high-pressure gas piston seal according to claim 1, characterized in that, The compression assembly (1) includes a compression chamber (11). A connecting cover (12) is embedded in one end of the compression chamber (11) away from the pressurization assembly (2). The connecting cover (12) has holes at its upper and lower ends and a one-way valve (121) is embedded therein. A sealing cover (13) is fixedly installed on the middle of the side of the connecting cover (12) away from the compression chamber (11) by a first mounting bolt (131).

4. A compressor with a quickly replaceable high-pressure gas piston seal according to claim 3, characterized in that, The first mounting bolt (131) passes through the connecting cover (12) and is threadedly connected to the connecting sleeve (4).

5. A compressor with a quickly replaceable high-pressure gas piston seal according to claim 3, characterized in that, The compression chamber (11) has an opening on the side of its upper end face near the connecting cover (12) and is connected to a first connecting pipe (111).

6. A compressor with a quickly replaceable high-pressure gas piston seal according to claim 1, characterized in that, The second piston (32) has a groove on the contact surface with the pressurizing component (2) and a first sealing ring (321) is embedded therein. The second piston (32) has a groove on the contact surface with the connecting sleeve (4) and a second sealing ring (33) is embedded therein.

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