Sliding gasket mechanism and scroll compressor

Abstract

The utility model discloses a sliding gasket mechanism, comprising: a bearing, a front cover and a sliding gasket arranged between the bearing and the front cover, comprising: a body, the body having a first surface and a second surface opposite to each other, the first surface being provided with a coating for contacting the bearing, and the second surface of the body facing the front cover; the body being provided with a plurality of positioning portions protruding along its radial direction and having different shapes and / or thicknesses; a mounting groove matching the body is provided on a side of the front cover facing the second surface, the mounting groove comprising limiting grooves matching the positioning portions in a one-to-one correspondence. The sliding gasket mechanism provided by the utility model forms a fool-proof structure through a plurality of positioning portions. When the sliding gasket is installed upside down, the positioning portion cannot be placed in the corresponding limiting groove, and a large gap is formed between the positioning portion and the limiting groove, so that the positioning portion can be quickly identified when installed upside down, thereby preventing the sliding gasket from being installed upside down, avoiding abnormal wear of the front cover bearing, improving the service life of the bearing, and improving the service life of the scroll compressor.

Description

Technical Field

[0001] The utility model belongs to the technical field of compressor parts, and in particular relates to a sliding gasket mechanism and a scroll compressor. Background Art

[0002] The description in this section merely provides background information related to the disclosure of the present utility model and does not constitute prior art.

[0003] In the prior art, when the scroll compressor rotates, the front cover bearing will rotate with the main shaft. If the sliding gasket is installed upside down, the coating will not contact the front cover bearing, which will significantly accelerate the wear of the front cover bearing and reduce the service life of the front cover bearing, thereby affecting the service life of the compressor. In order to reduce the occurrence of this situation, the prior art reduces the probability of the sliding gasket being installed upside down by adding a detection process. However, this detection method will lead to an increase in manpower investment and costs, and is not suitable for the assembly of large quantities of scroll compressors.

[0004] It should be noted that the above introduction to the technical background is only for the convenience of providing a clear and complete description of the technical solutions of the present invention and for the convenience of understanding by those skilled in the art. It cannot be considered that the above technical solutions are well known to those skilled in the art simply because they are described in the background technology section of the present invention. Utility Model Content

[0005] In order to overcome the defects in the prior art, the utility model provides a sliding gasket mechanism and a scroll compressor, which can reduce the probability of the sliding gasket being installed upside down.

[0006] The utility model discloses a sliding gasket mechanism, which is located between a bearing and a front cover and comprises:

[0007] Bearings;

[0008] Front cover;

[0009] The sliding gasket disposed between the bearing and the front cover comprises:

[0010] A body, the body having a first surface and a second surface opposite to each other, the first surface being provided with a coating for contacting the bearing, and the second surface of the body facing the front cover;

[0011] The body is provided with a plurality of positioning parts protruding in the radial direction thereof, and the positioning parts include a first positioning part and a second positioning part having different shapes and / or different thicknesses;

[0012] A mounting groove matching the body is provided on one side of the front cover facing the second surface, and the mounting groove includes a first limiting groove and a second limiting groove, the first limiting groove matches the first positioning portion, and the second limiting groove matches the second positioning portion.

[0013] Furthermore, in the above-mentioned sliding gasket mechanism, the positioning portion includes a first positioning portion and a second positioning portion which are asymmetrically arranged.

[0014] Furthermore, in the above-mentioned sliding gasket mechanism, the first positioning portion, the second positioning portion and the main body are an integral injection molding structure.

[0015] Furthermore, in the above-mentioned sliding gasket mechanism, the first limiting groove, the second limiting groove and the front cover are an integrally cast structure.

[0016] The utility model also provides a scroll compressor, comprising the sliding gasket mechanism as described above.

[0017] It can be seen from the above technical solution that the utility model has the following beneficial effects:

[0018] The sliding gasket mechanism described in the present invention can reduce the probability of the sliding gasket being installed upside down, and a fool-proof structure is formed by a plurality of positioning parts. When the sliding gasket is installed upside down, the positioning part cannot be put into the corresponding limit groove, and a large gap is formed between the positioning part and the limit groove, that is, it can be quickly identified when it is installed upside down, thereby preventing the sliding gasket from being installed upside down, avoiding abnormal wear of the front cover bearing, and increasing the service life of the bearing, thereby increasing the service life of the scroll compressor; in addition, since a plurality of positioning parts are provided, the sliding gasket can be taken and placed without contacting the main body of the sliding gasket, and the sliding gasket can be taken and placed by a plurality of positioning parts, thereby reducing the failure probability of the lubricating coating on the surface of the sliding gasket.

[0019] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of the sliding gasket mechanism in the embodiment of the utility model;

[0022] Figure 2In the present utility model embodiment Figure 1 A cross-sectional view of

[0023] Figure 3 It is a structural schematic diagram of the front cover in the embodiment of the utility model.

[0024] The figure numbers of the above drawings are: 1, bearing; 2, front cover; 3, sliding gasket; 31, first positioning portion; 32, second positioning portion; 4, mounting groove; 41, first limiting groove; 42, second limiting groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] It should be noted that in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and to distinguish similar objects. There is no order of precedence between the two, and they cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0027] The utility model is described in detail below with reference to the accompanying drawings and embodiments.

[0028] Reference Figures 1 to 3 , this embodiment provides a sliding gasket mechanism, including:

[0029] Bearing 1;

[0030] Front cover 2;

[0031] The sliding gasket 3 disposed between the bearing 1 and the front cover 2 comprises:

[0032] A body, the body having a first surface and a second surface opposite to each other, the first surface being provided with a lubricating coating (not shown in the figure) for contacting the bearing 1, and the second surface of the body facing the front cover 2;

[0033] The body is provided with a plurality of positioning parts protruding along its radial direction, and the positioning parts include a first positioning part 31 and a second positioning part 32 with different shapes and / or different thicknesses;

[0034] The front cover 2 is provided with a mounting groove 4 matching the main body on one side facing the second surface, and the mounting groove includes a first limiting groove 41 and a second limiting groove 42 . The first limiting groove 41 matches the first positioning portion 31 , and the second limiting groove 42 matches the second positioning portion 32 .

[0035] Specifically, in this embodiment, the positioning portion may include a first positioning portion 31 and a second positioning portion 32 of different shapes. The first positioning portion 31 and the second positioning portion 32 may be arc-shaped portions or other shaped structures, and the sizes of the two are different; or, in other embodiments, the positioning portion may include a first positioning portion 31 and a second positioning portion 32 that are asymmetrically arranged; in addition, in the above embodiments, the number of positioning portions is not limited to 2, and the shapes and sizes of the multiple positioning portions are different, or the shapes are the same but the multiple positioning portions are asymmetrical structures, such multiple positioning portions can form a fool-proof structure, when the sliding gasket 3 is installed upside down, the positioning portion cannot be placed in the corresponding limiting groove, and a large gap is formed between the limiting groove, which can prevent the sliding gasket 3 from being installed upside down and avoid abnormal wear of the bearing 1 of the front cover 2.

[0036] Specifically, in the present embodiment, the first positioning portion 31 , the second positioning portion 32 and the body are an integral injection molding structure; the integral injection molding structure is convenient for mass production and can easily ensure the consistency of the quality of the sliding gasket 3 .

[0037] Specifically, in the present embodiment, the first limiting groove 41, the second limiting groove 42 and the front cover 2 are an integrally cast structure; the shapes of the first limiting groove 41 and the second limiting groove 42 correspond one-to-one with the positioning portion; in addition, in the present embodiment, the number of limiting grooves is not limited to 2, and can correspond to the number of following positioning portions.

[0038] Through the above structure, the first positioning portion 31 is installed corresponding to the first limiting groove 41, and the second positioning portion 32 is installed corresponding to the second limiting groove 42. At this time, the lubricating coating on the first surface is in contact with the bearing 1. Multiple positioning portions can be set, and the sliding gasket 3 can be taken and placed without contacting the main body of the sliding gasket 3. The sliding gasket can be taken and placed by multiple positioning portions to reduce the failure rate of the lubricating coating on the surface of the sliding gasket 3.

[0039] This embodiment also discloses a scroll compressor, including the above-mentioned sliding gasket mechanism.

[0040] By means of the above structure, the present embodiment forms a fool-proof structure through a plurality of positioning parts. When the sliding gasket 3 is installed upside down, that is, the lubricating coating is not in contact with the bearing, the plurality of positioning parts cannot be placed in the corresponding limiting grooves, and a large gap is formed between the limiting grooves, that is, the sliding gasket 3 can be quickly identified to be installed upside down and the sliding gasket 3 can be reinstalled, thereby preventing the sliding gasket 3 from being installed upside down, avoiding abnormal wear of the bearing 1 of the front cover 2, and improving the service life of the bearing 1, thereby improving the service life of the scroll compressor; the prior art mentioned in the background technology reduces the probability of the sliding gasket being installed upside down by adding a detection process, but this detection method will lead to an increase in manpower investment and cost, and is not suitable for the assembly of large quantities of scroll compressors. The installation structure of the plurality of positioning parts and the limiting grooves provided in the present embodiment can reduce the probability of the sliding gasket 3 being installed upside down; in addition, since a plurality of positioning parts can be provided, the body of the sliding gasket 3 can be removed and placed without contacting the sliding gasket 3, and the sliding gasket can be removed and placed by a plurality of positioning parts, thereby reducing the failure probability of the lubricating coating on the surface of the sliding gasket 3.

[0041] The utility model uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the technical solution and core idea of ​​the utility model. At the same time, for ordinary technicians in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A sliding pad mechanism, characterized in that: include: Bearings; Front cover; The sliding gasket disposed between the bearing and the front cover comprises: A body, the body having a first surface and a second surface opposite to each other, the first surface being provided with a coating for contacting the bearing, and the second surface of the body facing the front cover; The body is provided with a plurality of positioning parts protruding in the radial direction thereof, and the positioning parts include a first positioning part and a second positioning part having different shapes and / or different thicknesses; A mounting groove matching the body is provided on one side of the front cover facing the second surface, and the mounting groove includes a first limiting groove and a second limiting groove, the first limiting groove matches the first positioning portion, and the second limiting groove matches the second positioning portion.

2. The sliding pad mechanism according to claim 1, characterized in that: The positioning portion includes a first positioning portion and a second positioning portion which are asymmetrically arranged.

3. The sliding pad mechanism according to claim 1 or 2, characterized in that: The first positioning portion, the second positioning portion and the body are an integral injection molding structure.

4. The sliding pad mechanism according to claim 1, characterized in that: The first limiting groove, the second limiting groove and the front cover are an integrally cast structure.

5. A scroll compressor, characterized in that: It comprises a sliding gasket mechanism as described in any one of claims 1-4.

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