Linear guide device of reciprocating compressor

Abstract

The utility model relates to the technical field of mechanical engineering, and discloses a linear guide device of a reciprocating compressor. The linear guide device of the reciprocating compressor comprises a first shell, a second shell, a guide sleeve, an air cylinder, an air inlet, a fastening bolt, a fixing hole, a piston rod, a connecting piece, a first fastening piece, a piston, a positioning hole, a sealing ring, a rear cover, a second fastening piece, a positioning rod and a motor. The guide sleeve is fixedly connected to the interior of the second shell, the air cylinder is fixedly connected to the interior of the second shell, and the air inlet is fixedly connected to the upper end of the first shell. According to the linear guide device of the reciprocating compressor, the motor directly drives the piston rod, efficient power conversion and transmission are ensured, the overall energy efficiency is improved, the guide sleeve accurately guides linear motion of the piston rod, motion errors are reduced, and the operation precision of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical engineering, in particular to a linear guide device for a reciprocating compressor. Background Art

[0002] In industrial and commercial applications, compressors are key equipment used to provide compressed air or other gases. These applications require equipment that is not only efficient, but also reliable and easy to maintain. The introduction of linear guide technology aims to solve the problems of excessive wear, energy waste and unstable performance caused by the lateral force of the piston in traditional compressors. This technology optimizes the transmission and distribution of force by improving the movement mechanism of the piston and piston rod, thereby improving overall efficiency and equipment life and reducing maintenance requirements.

[0003] The prior art patent document CN218882462U discloses a reciprocating compressor linear guide device, comprising a compressor housing with raised portions centrally constructed on both sides, a positioning shaft centrally fixedly installed in the two raised portions, a cover body detachably installed at one end of the compressor housing, a mounting plate detachably installed in the center of the cover body away from the compressor housing, a motor centrally fixedly installed on the side of the mounting plate away from the cover body, the motor being connected to a threaded screw rotatably installed in the compressor housing through a motor shaft, a piston assembly being reciprocally installed in the compressor housing and the raised portions, the piston assembly comprising a piston body symmetrically provided with positioning holes internally, a positioning sleeve being adhesively fixedly installed in the positioning hole, the positioning sleeve being slidably mounted on the outer edge surface of the positioning shaft, the reciprocating compressor linear guide device has a reasonable structure, is conducive to improving the stability of the reciprocating movement of the piston, and has strong practicality.

[0004] However, in the prior art patent CN218882462U, friction occurs between the outer side of the piston of a reciprocating compressor linear guide device and the inner wall of the compressor housing, which easily leads to increased wear of the meshing portion between the piston and the screw, thereby affecting the service life of the compressor. Utility Model Content

[0005] (1) Technical problems solved

[0006] The purpose of the present invention is to provide a linear guide device for a reciprocating compressor to solve the problem of friction between the outer side of the piston of the linear guide device for a reciprocating compressor and the inner wall of the compressor housing proposed in the background art.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reciprocating compressor linear guide device, which includes a first shell, a second shell, a guide sleeve, a cylinder, an air inlet, a fastening bolt, a fixing hole, a piston rod, a connecting piece, a first fastener, a piston, a positioning hole, a sealing ring, a back cover, a second fastener, a positioning rod and an electric motor, the second shell is fixedly connected to the lower end of the first shell, the guide sleeve is fixedly connected to the inside of the second shell, the cylinder is fixedly connected to the inside of the second shell, and the air inlet is fixedly connected to the upper end of the first shell.

[0009] Preferably, the fastening bolt is fixedly connected to the upper end of the first shell, the fixing hole is fixedly connected to the inside of the first shell, and the cylinder is installed in a frame formed by the first shell and the second shell, and is stabilized by the fastening bolt and the fixing hole.

[0010] Preferably, the piston rod is fixedly connected to the inside of the guide sleeve, and the connecting piece is fixedly connected to the front end of the piston rod.

[0011] Preferably, the first fastener is fixedly connected to the rear end of the piston rod, and the piston is fixedly connected to the rear end of the first fastener.

[0012] Preferably, the positioning hole is fixedly connected to the inside of the piston, and the sealing ring is fixedly connected to the rear side of the piston. The sealing ring on the piston ensures the sealing effect and reduces gas leakage.

[0013] Preferably, the rear cover is fixedly connected to the rear end of the first shell, and the second fastener is fixedly connected to the left and right ends of the rear cover.

[0014] Preferably, the positioning rod is fixedly connected to the front end of the rear cover, the motor is fixedly connected to the front end of the first shell, the positioning rod passes through the positioning hole, and the piston can be guided when it reciprocates by setting a sliding fit between the positioning rod, the positioning hole and the guide sleeve.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The linear guide device of the reciprocating compressor uses an electric motor to directly drive the piston rod, ensuring efficient power conversion and transmission, improving overall energy efficiency. The guide sleeve accurately guides the linear motion of the piston rod, reducing motion errors and improving the operating accuracy of the device.

[0017] 2. The design of the linear guide device, sealing ring and positioning hole of the reciprocating compressor improves the sealing performance in the cylinder, reduces gas leakage and improves compression efficiency. The application of fastening bolts and fixings ensures the stable fixation of the device components, increasing the durability and reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation of the utility model;

[0020] Figure 3 This is a schematic diagram of the positioning module structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the piston assembly of the utility model.

[0022] In the figure: 1. First housing; 2. Second housing; 3. Guide sleeve; 4. Cylinder; 5. Air inlet; 6. Fastening bolt; 7. Fixing hole; 8. Piston rod; 9. Connecting piece; 10. First fastener; 11. Piston; 12. Positioning hole; 13. Sealing ring; 14. Back cover; 15. Second fastener; 16. Positioning rod; 17. Motor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-Figure 4 The utility model provides a technical solution: a reciprocating compressor linear guide device, the reciprocating compressor linear guide device includes.

[0025] Working principle: The electric motor 17 provides power for the entire system. The cylinder 4 is installed in a frame composed of the first shell 1 and the second shell 2, and is stabilized by fastening bolts 6 and fixing holes 7. The piston 11 is located in the cylinder 4 and is connected to the piston rod 8. The positioning rod 16 passes through the positioning hole 12. By setting the sliding fit of the positioning rod 16, the positioning hole 12 and the guide sleeve 3, the piston 11 can be guided when it reciprocates. The air inlet 5 allows gas to enter the cylinder 4. The connecting piece 9 is used to connect the electric motor 17 and the piston rod 8. The first fastener 10 fixes the piston rod 8 and the piston 11 to ensure the accuracy of its movement. The sealing ring 13 on the piston 11 ensures the sealing effect and reduces gas leakage. The back cover 14 closes one end of the cylinder and is fixed by the second fastener 15. These components together ensure the efficient and precise operation of the compressor and achieve a stable compression effect.

[0026] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Simple modifications or equivalent replacements of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A reciprocating compressor linear guide device, comprising a first housing (1), a second housing (2), a guide sleeve (3), a cylinder (4), an air inlet (5), a fastening bolt (6), a fixing hole (7), a piston rod (8) and a connecting piece (9), characterized in that: The second shell (2) is fixedly connected to the lower end of the first shell (1), the guide sleeve (3) is fixedly connected to the inside of the second shell (2), the cylinder (4) is fixedly connected to the inside of the second shell (2), and the air inlet (5) is fixedly connected to the upper end of the first shell (1).

2. A reciprocating compressor linear guide device according to claim 1, characterized in that: The fastening bolt (6) is fixedly connected to the upper end of the first shell (1), and the fixing hole (7) is fixedly connected to the inside of the first shell (1).

3. A reciprocating compressor linear guide device according to claim 2, characterized in that: The piston rod (8) is fixedly connected to the interior of the guide sleeve (3), and the connecting piece (9) is fixedly connected to the front end of the piston rod (8).

4. A reciprocating compressor linear guide device according to claim 3, characterized in that: It also comprises a first fastener (10); the first fastener (10) is fixedly connected to the rear end of the piston rod (8), and the piston (11) is fixedly connected to the rear end of the first fastener (10).

5. A reciprocating compressor linear guide device according to claim 4, characterized in that: It also includes a positioning hole (12) and a sealing ring (13); the positioning hole (12) is fixedly connected to the inside of the piston (11), and the sealing ring (13) is fixedly connected to the rear side of the piston (11).

6. A reciprocating compressor linear guide device according to claim 5, characterized in that: It also comprises a rear cover (14) and a second fastener (15); the rear cover (14) is fixedly connected to the rear end of the first shell (1), and the second fastener (15) is fixedly connected to the left and right ends of the rear cover (14).

7. A reciprocating compressor linear guide device according to claim 6, characterized in that: It also includes a positioning rod (16) and a motor (17); the positioning rod (16) is fixedly connected to the front end of the rear cover (14), and the motor (17) is fixedly connected to the front end of the first housing (1).

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