Exhaust valve mounting structure and scroll compressor

Abstract

The utility model discloses an exhaust valve mounting structure which is characterized in that an exhaust valve plate and a limiting piece are sequentially arranged on the upper surface of a static disc, and the exhaust valve plate and the limiting piece are connected with the static disc through fasteners; the static disc is provided with an exhaust hole and a group of positioning holes; the exhaust valve plate comprises a mounting part and a plurality of valve plate bodies connected with the mounting part, the valve plate bodies are used for covering the exhaust holes, and a mounting hole and a group of guide holes formed in the two sides of the mounting hole are formed in the mounting part; the exhaust valve mounting structure comprises an exhaust valve plate and a limiting piece, the limiting piece can limit the deformation angle of the exhaust valve plate, a set of protruding positioning pieces are arranged on the side, close to the exhaust valve plate, of the limiting piece, the positioning pieces penetrate through a guide hole and are arranged in a positioning hole, and the center of the positioning hole, the center of the guide hole and the center of the positioning pieces are all located on the same axis. The exhaust valve plate and the limiting piece are integrally of an axial symmetry structure, the flatness is easy to control, positioning machining is convenient, a positioning hole is formed in the static disc, use of parts can be reduced, and the assembling efficiency and the assembling precision are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of compressor parts, and in particular relates to an exhaust valve mounting structure 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, during the installation of the exhaust valve, tooling is generally used for positioning. In the actual installation process, it is found that when positioning by tooling, gaps are easily generated, resulting in poor sealing of the exhaust valve part, affecting the compression efficiency of the compressor. Based on this problem, a solution to this problem has been designed in the patent application number 202223124274.0. However, this technology has many parts, cumbersome procedures, complex installation process, and various components use special-shaped parts, which is inconvenient to install.

[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 utility model 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 these solutions are described in the background technology section of the utility model. Utility Model Content

[0005] In order to overcome the defects in the prior art, the utility model provides an exhaust valve installation structure and a scroll compressor, which reduce the difficulty of installing the compressor exhaust valve plate and improve the installation efficiency.

[0006] The utility model discloses an exhaust valve installation structure, comprising: a static plate, an exhaust valve sheet, a stopper and a fastener, wherein the exhaust valve sheet and the stopper are sequentially arranged on the upper surface of the static plate, and the exhaust valve sheet and the stopper are connected to the static plate through the fastener;

[0007] The static plate is provided with an exhaust hole and a group of positioning holes;

[0008] The exhaust valve plate comprises a mounting portion and a plurality of valve plate bodies connected to the mounting portion, wherein the valve plate bodies are used to cover the exhaust holes, and the mounting portion is provided with a mounting hole and a group of guide holes arranged on both sides of the mounting hole;

[0009] The limiting member can limit the deformation angle of the exhaust valve plate. A group of raised positioning members are provided on one side of the limiting member close to the exhaust valve plate. The positioning members pass through the guide hole and are arranged in the positioning hole. The centers of the positioning hole, the guide hole and the positioning members are all on the same axis.

[0010] Furthermore, in the above-mentioned exhaust valve installation structure, the limiting member is a slat structure and consists of a connecting portion and an arc-shaped portion, a positioning member is provided on a side of the connecting portion close to the exhaust valve plate, and the arc-shaped portion is arranged corresponding to the exhaust hole.

[0011] Furthermore, in the above exhaust valve installation structure, the limiting member and the positioning member are an integrally formed structure.

[0012] Furthermore, in the above exhaust valve installation structure, the multiple valve plate bodies are symmetrically arranged along the center line of the installation hole, and the two guide holes are symmetrically arranged along the center line of the installation hole.

[0013] Furthermore, in the above exhaust valve installation structure, the height of the positioning member is greater than the thickness of the exhaust valve plate, and the diameter of the positioning member is smaller than the diameter of the guide hole.

[0014] Furthermore, in the above-mentioned exhaust valve installation structure, the limiting member is an axisymmetric structure along its center line.

[0015] The utility model also discloses a scroll compressor, which comprises the exhaust valve installation structure mentioned above.

[0016] It can be seen from the above technical solution that the utility model has the following beneficial effects:

[0017] The exhaust valve installation structure described in the utility model is provided with positioning holes on the static plate, which can reduce the use of parts and improve assembly efficiency and assembly accuracy. The exhaust valve plate and the limit member are both axially symmetrical structures as a whole, and the flatness is easy to control, which is convenient for positioning processing, reducing the difficulty of installing the compressor exhaust valve plate and improving the installation efficiency.

[0018] 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

[0019] 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.

[0020] Figure 1 It is an exploded schematic diagram of the exhaust valve installation structure in the embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the exhaust valve sheet in the embodiment of the utility model;

[0022] Figure 3 It is a side view of the position limiting member in the embodiment of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the exhaust valve installation structure in the embodiment of the utility model.

[0024] The figure markings of the above drawings are: 1. static disk; 11. exhaust hole; 12. positioning hole; 2. exhaust valve plate; 21. mounting portion; 22. valve plate body; 23. mounting hole; 24. guide hole; 3. limit member; 31. connecting portion; 32. arc portion; 33. positioning member; 4. fastener. 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 4 The present embodiment provides an exhaust valve installation structure, comprising: a stationary plate 1, an exhaust valve plate 2, a stopper 3 and a fastener 4, wherein the exhaust valve plate 2 and the stopper 3 are sequentially arranged on the upper surface of the stationary plate 1, and the exhaust valve plate 2 and the stopper 3 are connected to the stationary plate 1 through the fastener 4;

[0029] The static plate 1 is provided with an exhaust hole 11 and a group of positioning holes 12;

[0030] The exhaust valve plate 2 includes a mounting portion 21 and a plurality of valve plate bodies 22 connected to the mounting portion 21. The valve plate body 22 is used to cover the exhaust hole 11. The mounting portion 21 is provided with a mounting hole 23 and a group of guide holes 24 arranged on both sides of the mounting hole 23.

[0031] The limiting member 3 can limit the deformation angle of the exhaust valve plate 2. A group of raised positioning members 33 are provided on one side of the limiting member 3 close to the exhaust valve plate 2. The positioning members 33 pass through the guide hole 24 and are arranged in the positioning hole 12. The centers of the positioning hole 12, the guide hole 24 and the positioning members 33 are all on the same axis.

[0032] Specifically, refer to Figure 2 In this embodiment, the multiple valve plate bodies 22 are symmetrically arranged along the center line of the mounting hole 23, and the two guide holes 24 are symmetrically arranged along the center line of the mounting hole 23. During the installation process, it is easier to ensure the flatness and installation accuracy of the installation, facilitate positioning processing, and improve assembly efficiency.

[0033] Specifically, refer to Figure 3 In this embodiment, the stopper 3 is an axisymmetric structure along its center line. The stopper 3 and the positioning member 33 are an integrally formed structure. The stopper 3 is a slat structure and is composed of a connecting portion 31 and an arc portion 32. The connecting portion 31 is provided with a positioning member 33 on one side close to the exhaust valve plate 2. The arc portion 32 is arranged corresponding to the exhaust hole 11. The stopper and the positioning member are integrally formed by stamping, which is easy to process and easier to control the processing accuracy. The arc portion 32 of the stopper 3 is used to limit the deformation angle of the exhaust valve plate 2 to prevent the exhaust valve plate 2 from being damaged after excessive deformation.

[0034] Specifically, in this embodiment, the height of the positioning member 33 is greater than the thickness of the exhaust valve plate 2 , and the diameter of the positioning member 33 is smaller than the diameter of the guide hole 24 .

[0035] By means of the above structure, the positioning member 33 is first passed through the guide hole 24 set on the exhaust valve plate 2, the exhaust valve plate 2 is installed on the limit member 3, and then the combined structure of the exhaust valve plate 2 and the limit member 3 is pressed on the static plate 1. At this time, the two positioning members 33 are embedded in the positioning hole 12, and finally the fastener 4 is installed. The fastener 4 passes through the limit member 3 and the mounting hole 23 of the exhaust valve plate 2 and is connected to the static plate 1. In this embodiment, the positioning member 33 can be a positioning pin, a rod or other protruding structure, and the fastener 4 can be a fastening bolt or other fastening structure. The positioning pin and the guide hole 24 can be fixedly connected or detachably connected. In this embodiment, a positioning hole is provided on the static plate, which can reduce the use of parts and improve assembly efficiency and assembly accuracy. The exhaust valve plate 2 and the limit member 3 are both axially symmetrical structures as a whole, and the flatness is easy to control, which is convenient for positioning processing.

[0036] This embodiment also discloses a scroll compressor, which adopts the above exhaust valve installation structure. When the pressure of the compression chamber in the scroll compressor is greater than the set threshold, the exhaust valve plate 2 is pushed to undergo elastic deformation, so that the exhaust hole 11 is connected to the exhaust cavity in the rear cover, and the arc portion 32 of the limiter 3 is used to limit the deformation angle of the exhaust valve plate 2 to prevent the exhaust valve plate 2 from being damaged due to excessive deformation.

[0037] 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. An exhaust valve installation structure, characterized in that: include: A static disk, an exhaust valve plate, a stopper and a fastener, wherein the upper surface of the static disk is provided with an exhaust valve plate and a stopper in sequence, and the exhaust valve plate and the stopper are connected to the static disk through the fastener; The static plate is provided with an exhaust hole and a group of positioning holes; The exhaust valve plate comprises a mounting portion and a plurality of valve plate bodies connected to the mounting portion, wherein the valve plate bodies are used to cover the exhaust holes, and the mounting portion is provided with a mounting hole and a group of guide holes arranged on both sides of the mounting hole; The limiting member can limit the deformation angle of the exhaust valve plate. A group of raised positioning members are provided on one side of the limiting member close to the exhaust valve plate. The positioning members pass through the guide hole and are arranged in the positioning hole. The centers of the positioning hole, the guide hole and the positioning members are all on the same axis.

2. The exhaust valve installation structure according to claim 1, characterized in that: The limiting member is a slat structure and consists of a connecting portion and an arc-shaped portion. A positioning member is provided on a side of the connecting portion close to the exhaust valve sheet, and the arc-shaped portion is arranged corresponding to the exhaust hole.

3. The exhaust valve installation structure according to claim 2, characterized in that: The limiting member and the positioning member are an integrally formed structure.

4. The exhaust valve installation structure according to claim 1, characterized in that: The plurality of valve plate bodies are symmetrically arranged along the center line of the mounting hole, and the two guide holes are symmetrically arranged along the center line of the mounting hole.

5. The exhaust valve installation structure according to claim 1, characterized in that: The height of the positioning member is greater than the thickness of the exhaust valve sheet, and the diameter of the positioning member is smaller than the diameter of the guide hole.

6. The exhaust valve installation structure according to claim 1, characterized in that: The limiting member is an axisymmetric structure along its center line.

7. A scroll compressor, characterized in that: It comprises the exhaust valve installation structure as described in any one of claims 1-6.

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