Shaft sleeve structure of compressor

Abstract

The compressor shaft sleeve structure comprises a shaft sleeve body, flanges are fixedly installed at the two ends of the shaft sleeve body, an oil groove structure is arranged on the inner ring face of the shaft sleeve body, and an oil injection structure is arranged on the outer ring face of the shaft sleeve body. According to the compressor shaft sleeve structure, the oil groove structure and the oil injection structure are arranged, solid lubricating oil is smeared into the circular oil groove and the strip-shaped oil storage groove, and then the first semicircular cover plate and the second semicircular cover plate are clamped with the flange; at the moment, the solid lubricating oil in the strip-shaped oil storage tank is changed into liquid along with the temperature rise of the shaft sleeve body and enters the circular oil groove along the oil leakage hole, the solid lubricating oil is added into the circular oil groove, and meanwhile the solid lubricating oil can be added into the strip-shaped oil storage tank by opening the first semicircular cover plate and the second semicircular cover plate; the shaft sleeve body does not need to be detached from the rotating shaft, and solid lubricating oil can be smeared inside the shaft sleeve body conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of shaft sleeves, and in particular relates to a compressor shaft sleeve structure. Background Art

[0002] The sleeve is a cylindrical mechanical part that is sleeved on the rotating shaft and is a component of the sliding bearing. Generally speaking, the sleeve and the bearing seat adopt an interference fit, and the sleeve and the shaft adopt a clearance fit. The sleeve is provided with an oil groove inside. Applying lubricating oil in the oil groove can effectively reduce the friction between the sleeve and the rotating shaft and extend the service life of the component.

[0003] However, after the traditional shaft sleeve is coated with solid lubricant in the oil groove, due to the limited space of the oil groove, the contact between the shaft sleeve and the shaft will cause the loss of solid lubricant to decrease, resulting in the need to remove the shaft sleeve from the shaft before oiling, which is a complicated operation. In view of the above defects, we propose a compressor shaft sleeve structure. Utility Model Content

[0004] The utility model aims to provide a compressor shaft sleeve structure to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a compressor sleeve structure, comprising a sleeve body, flanges are fixedly installed at both ends of the sleeve body, an oil groove structure is provided on the inner ring surface of the sleeve body, and an oil injection structure is provided on the outer ring surface of the sleeve body;

[0006] The oil groove structure comprises a circular oil groove formed on the inner annular surface of the sleeve body, a strip oil storage groove formed on the outer annular surface of the sleeve body, an oil leakage hole formed on the inner top wall of the circular oil groove, and the oil leakage hole extends into the interior of the strip oil storage groove;

[0007] The oil filling structure comprises a first semicircular cover plate and a second semicircular cover plate, and the outer annular surface of the flange is provided with a step groove for the first semicircular cover plate and the second semicircular cover plate to engage with.

[0008] Preferably, bolt holes are provided on the opposite surfaces of the first semicircular cover plate and the second semicircular cover plate.

[0009] Preferably, the opposing surfaces of the first semicircular cover plate and the second semicircular cover plate are both provided with an annular sealing groove and a strip sealing groove, and the inner walls of the annular sealing groove and the strip sealing groove are respectively provided with an annular sealing ring and a sealing strip.

[0010] Preferably, the circular oil grooves and strip oil storage grooves are both multiple in number, and the multiple circular oil grooves are arranged in a circular array on the inner ring surface of the sleeve body, and the multiple strip oil storage grooves are arranged in a circular array on the outer ring surface of the sleeve body.

[0011] The compressor shaft sleeve structure of the utility model has the following advantages:

[0012] The compressor sleeve structure is provided with an oil groove structure and an oil injection structure to apply solid lubricating oil to a circular oil groove and a strip oil storage groove, and then a first semicircular cover plate and a second semicircular cover plate are engaged with a flange. When the rotating shaft and the sleeve body are assembled as one, the solid lubricating oil in the circular oil groove will contact the rotating shaft, thereby effectively reducing the friction between the sleeve body and the rotating shaft. Compared with the prior art, when the solid lubricating oil in the circular oil groove is reduced, the solid lubricating oil in the strip oil storage groove will become liquid as the temperature of the sleeve body rises, and enter the circular oil groove along the oil leakage hole, thereby adding solid lubricating oil to the circular oil groove. At the same time, the first semicircular cover plate and the second semicircular cover plate can be opened to add solid lubricating oil to the strip oil storage groove, without removing the sleeve body from the rotating shaft, which greatly facilitates the application of solid lubricating oil to the inside of the sleeve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the shaft sleeve body of the utility model;

[0016] Figure 3 This is a schematic diagram of the front cross-section structure of the shaft sleeve body of the utility model;

[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the first semicircular cover plate of the utility model;

[0018] Figure 5 for Figure 3 The enlarged structural diagram at A in the middle;

[0019] Figure 6 for Figure 4 Enlarged structural diagram at B in the middle.

[0020] Markings in the figure: 1 sleeve body, 2 circular oil groove, 3 strip oil storage groove, 4 oil leakage hole, 5 first semicircular cover plate, 6 second semicircular cover plate, 7 step groove, 8 bolt hole, 9 annular sealing groove, 10 strip sealing groove, 11 annular sealing ring, 12 sealing strip, 13 flange. DETAILED DESCRIPTION

[0021] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0022] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0024] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0025] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0026] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of a compressor sleeve structure of the utility model in conjunction with the accompanying drawings.

[0027] like Figure 1-6 As shown, a compressor sleeve structure of the utility model includes a sleeve body 1, flanges 13 are fixedly installed at both ends of the sleeve body 1, an oil groove structure is provided on the inner ring surface of the sleeve body 1, and an oil injection structure is provided on the outer ring surface of the sleeve body 1.

[0028] The oil groove structure includes a circular oil groove 2 opened on the inner ring surface of the sleeve body 1, and a strip oil storage groove 3 is opened on the outer ring surface of the sleeve body 1. The number of the circular oil grooves 2 and the strip oil storage grooves 3 are both multiple. The multiple circular oil grooves 2 are arranged in a circular array on the inner ring surface of the sleeve body 1, and the multiple strip oil storage grooves 3 are arranged in a circular array on the outer ring surface of the sleeve body 1. An oil leakage hole 4 is opened on the inner top wall of the circular oil groove 2, and the oil leakage hole 4 extends to the inside of the strip oil storage groove 3. Solid lubricating oil is applied to the circular oil groove 2 and the strip oil storage groove 3. When the rotating shaft and the sleeve body 1 are assembled as one, the solid lubricating oil in the circular oil groove 2 will contact the rotating shaft, thereby effectively reducing the friction between the sleeve body 1 and the rotating shaft.

[0029] The oil filling structure includes a first semicircular cover plate 5 and a second semicircular cover plate 6. The outer annular surface of the flange 13 is provided with a step groove 7 for the first semicircular cover plate 5 and the second semicircular cover plate 6 to engage with each other. The opposite surfaces of the first semicircular cover plate 5 and the second semicircular cover plate 6 are provided with an annular sealing groove 9 and a strip sealing groove 10, and the inner walls of the annular sealing groove 9 and the strip sealing groove 10 are respectively provided with an annular sealing ring 11 and a sealing strip 12. The opposite surfaces of the first semicircular cover plate 5 and the second semicircular cover plate 6 are provided with bolt holes 8.

[0030] The annular sealing ring 11 and the sealing strip 12 are placed in the annular sealing groove 9 and the strip sealing groove 10 respectively, and then the first semicircular cover plate 5 and the second semicircular cover plate 6 are engaged with the step groove 7, and the first semicircular cover plate 5 and the second semicircular cover plate 6 can be fixed on the flange 13 by passing the bolt holes 8 with external bolts, so as to protect the solid lubricating oil in the strip oil storage tank 3 from being eroded by external dust.

[0031] Compared with the prior art, when the solid lubricant in the circular oil groove 2 is reduced, the solid lubricant in the strip oil storage groove 3 will become liquid as the temperature of the sleeve body 1 rises, and enter the circular oil groove 2 along the oil leakage hole 4, adding solid lubricant to the circular oil groove 2. At the same time, opening the first semicircular cover plate 5 and the second semicircular cover plate 6 can add solid lubricant to the strip oil storage groove 3, without removing the sleeve body 1 from the rotating shaft, which greatly facilitates the application of solid lubricant to the inside of the sleeve body 1.

[0032] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A compressor sleeve structure, comprising a sleeve body (1), characterized in that: Both ends of the shaft sleeve body (1) are fixedly mounted with flanges (13), the inner ring surface of the shaft sleeve body (1) is provided with an oil groove structure, and the outer ring surface of the shaft sleeve body (1) is provided with an oil injection structure; The oil groove structure comprises a circular oil groove (2) provided on the inner ring surface of the shaft sleeve body (1), a strip-shaped oil storage groove (3) provided on the outer ring surface of the shaft sleeve body (1), an oil leakage hole (4) provided on the inner top wall of the circular oil groove (2), and the oil leakage hole (4) extending into the interior of the strip-shaped oil storage groove (3); The oil injection structure comprises a first semicircular cover plate (5) and a second semicircular cover plate (6), and the outer annular surface of the flange (13) is provided with a step groove (7) for the first semicircular cover plate (5) and the second semicircular cover plate (6) to engage.

2. A compressor sleeve structure according to claim 1, characterized in that: The opposing surfaces of the first semicircular cover plate (5) and the second semicircular cover plate (6) are both provided with bolt holes (8).

3. A compressor sleeve structure according to claim 1, characterized in that: The opposing surfaces of the first semicircular cover plate (5) and the second semicircular cover plate (6) are provided with an annular sealing groove (9) and a strip sealing groove (10), and the inner walls of the annular sealing groove (9) and the strip sealing groove (10) are provided with an annular sealing ring (11) and a sealing strip (12), respectively.

4. A compressor sleeve structure according to claim 1, characterized in that: The circular oil grooves (2) and the strip-shaped oil storage grooves (3) are both multiple in number; the multiple circular oil grooves (2) are arranged in a circular array on the inner annular surface of the shaft sleeve body (1); and the multiple strip-shaped oil storage grooves (3) are arranged in a circular array on the outer annular surface of the shaft sleeve body (1).

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