Compressor valve plate
By setting up a filter on the intake side of the compressor valve plate and fixing it, the wear of fluid pipelines and piston cylinders caused by metal debris is solved, and the effect of preventing refrigerant leakage and equipment damage is achieved.
Patent Information
- Application Number
- CN202420618203.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-28
AI Technical Summary
The compressor in the refrigeration system may cause metal debris to circulate at high speed in the fluid pipeline and inside the compressor, causing wear of the fluid pipeline, damage and wear of the piston and cylinder block, which may in turn cause refrigerant leakage.
A filter is installed on the intake side of the air inlet hole of the compressor valve plate. The filter is embedded on the annular step and fixed by solder to collect metal debris in the fluid pipeline, preventing them from circulating and moving, and avoiding wear.
Effectively prevent wear and breakage of fluid pipes, extend equipment life, avoid wear of pistons and cylinders, and ensure stable circulation of refrigerant.
Smart Images
Figure CN222208227U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of compressor accessories, in particular to a compressor valve plate. Background Art
[0002] A compressor is a driven fluid machine that boosts low-pressure gas to high-pressure gas. It is the heart of the refrigeration system. It inhales low-temperature, low-pressure refrigerant gas from the intake pipe, compresses it by driving the piston through the operation of the driving component, and then discharges high-temperature, high-pressure refrigerant gas to the exhaust pipe, providing power for the refrigeration cycle. Furthermore, when the refrigerant gas circulates in the fluid pipeline and the compressor, there will be more or less metal debris inside the fluid pipeline and the compressor after processing, and the refrigerant gas circulates at high speed in the fluid pipeline and the compressor, which will cause the metal debris remaining in the fluid pipeline and the compressor to continuously hit the inner wall of the fluid pipeline and the inner wall of the compressor, which will cause wear or breakage of the fluid pipeline over time, and then cause damage to the fluid pipeline and leakage of the refrigerant gas, and the metal debris remaining in the fluid pipeline will also cause wear to the piston and cylinder in the compressor. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model provides a compressor valve plate, which, by arranging a filter screen on the air inlet side of the air inlet hole of the compressor valve plate, can collect metal debris remaining in the fluid pipeline and prevent the metal debris from continuously circulating in the fluid pipeline and the compressor, thereby effectively avoiding wear or damage of the fluid pipeline, and avoiding wear of the piston and cylinder body in the compressor.
[0004] The compressor valve plate of the utility model comprises a valve plate body, on which an air inlet hole and an air outlet hole are arranged; an annular step expanding outward is arranged at the edge of the air inlet side of the air inlet hole, a filter screen is embedded on the annular step, and the outer edge of the filter screen is fixed to the valve plate body.
[0005] The utility model provides a filter screen on the air inlet side of the air inlet hole of the compressor valve plate, so that the filter screen can collect metal debris remaining in the fluid pipeline and prevent the metal debris from continuously circulating in the fluid pipeline and the compressor, thereby effectively avoiding wear or damage of the fluid pipeline and avoiding wear of the piston and cylinder body in the compressor.
[0006] The compressor valve plate of the utility model is characterized in that an annular groove is provided at the inner end of the annular step and at the edge of the annular step, the annular groove is filled with solder, and the outer edge of the filter screen is welded and fixed to the valve plate body by solder; after adopting this structure, the outer edge of the filter screen can be reliably welded and fixed to the valve plate body, and in addition, when the filter screen and the valve plate body are welded and fixed, the solder is first filled in the annular groove, and then the filter screen is embedded in the annular step, and then the valve plate body and the filter screen are heated, at this time, the solder can melt and bond with the filter screen and the valve plate body, and after the solder is cooled, the outer edge of the filter screen can be welded and fixed to the valve plate body.
[0007] The compressor valve plate of the utility model is provided with a notch on the side wall of the air inlet hole, and the inner end surface of the notch forms an arc transition surface, which bends from the air inlet side of the air inlet hole toward the air outlet side of the air inlet hole. By adopting this structure, in the process of gas entering the air inlet hole, the arc transition surface can play a guiding role for the gas, thereby enabling the gas to enter the air inlet hole more smoothly.
[0008] The compressor valve plate of the utility model is provided with a plurality of positioning slots on the valve plate body, and each positioning slot is used to cooperate and plug with one of the positioning posts on the compressor casing to realize the positioning of the valve plate body and the compressor casing; after the positioning slots are provided on the valve plate body, when the valve plate body and the compressor casing are assembled, each positioning slot can cooperate and plug with one of the positioning posts on the compressor casing to realize the positioning of the valve plate body and the compressor casing, that is, it can bring convenience to the assembly of the valve plate body and the compressor casing, and can avoid the misalignment between the valve plate body and the compressor casing.
[0009] The compressor valve plate of the utility model is characterized in that an annular chamfered surface is provided on the inner wall of the opening end of the positioning slot, and the annular chamfered surface is used to cooperate and guide with the end of the positioning column on the compressor casing so as to facilitate the positioning column to be inserted into the positioning slot; after the annular chamfered surface is provided on the inner wall of the opening end of the positioning slot, when the valve plate body and the compressor casing are assembled, the annular chamfered surface can cooperate and guide with the end of the positioning column on the compressor casing so as to facilitate the positioning column to be inserted into the positioning slot, that is, it can bring convenience to the assembly of the valve plate body and the compressor casing.
[0010] The compressor valve plate of the utility model is characterized in that a plurality of fixing holes are circumferentially spaced apart at the edge of the valve plate body, and the valve plate body is fixed to the compressor casing by bolts penetrated through the fixing holes. After adopting this structure, the valve plate body can be reliably fixed to the compressor casing by bolts penetrated through the fixing holes. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the valve plate body;
[0013] Figure 2 It is a schematic diagram of the cross-sectional structure after the filter screen and the valve plate body are fixed;
[0014] Figure 3 for Figure 2 Schematic diagram of the structure after enlargement at A in the middle. DETAILED DESCRIPTION
[0015] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.
[0016] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.
[0017] like Figure 1-3 As shown, the compressor valve plate of the utility model includes a valve plate body 1, on which an air inlet hole 11 and an air outlet hole 12 are arranged; an outwardly expanding annular step 13 is arranged at the edge of the air inlet side of the air inlet hole 11, and a filter screen 2 is embedded on the annular step 13, and the outer edge of the filter screen 2 is fixed to the valve plate body 1.
[0018] An annular groove 14 is provided at the inner end of the annular step 13 and at the edge of the annular step 13, and the annular groove 14 is filled with solder 3. The outer edge of the filter screen 2 is welded and fixed to the valve plate body 1 through the solder 3; by adopting this structure, the outer edge of the filter screen can be reliably welded and fixed to the valve plate body. In addition, when the filter screen is welded and fixed to the valve plate body, the solder is first filled in the annular groove, and then the filter screen is embedded in the annular step, and then the valve plate body and the filter screen are heated. At this time, the solder can melt and bond with the filter screen and the valve plate body. After the solder cools, the outer edge of the filter screen can be welded and fixed to the valve plate body.
[0019] A notch 15 is provided on the side wall of the air inlet hole 11, and the inner end surface of the notch 15 forms an arc transition surface 16, which bends from the air inlet side of the air inlet hole 11 toward the air outlet side of the air inlet hole 11; by adopting this structure, in the process of gas entering the air inlet hole, the arc transition surface can play a role in guiding the gas, thereby enabling the gas to enter the air inlet hole more smoothly.
[0020] A plurality of positioning slots 17 are provided on the valve plate body 1, and each positioning slot 17 is used to cooperate and plug with one of the positioning posts on the compressor casing to realize the positioning of the valve plate body 1 and the compressor casing; after the positioning slots are provided on the valve plate body, when the valve plate body and the compressor casing are assembled, each positioning slot can cooperate and plug with one of the positioning posts on the compressor casing to realize the positioning of the valve plate body and the compressor casing, that is, it can facilitate the assembly of the valve plate body and the compressor casing, and can avoid the misalignment between the valve plate body and the compressor casing.
[0021] An annular chamfered surface 18 is provided on the inner wall of the open end of the positioning slot 17, and the annular chamfered surface 18 is used to cooperate and guide with the end of the positioning column on the compressor casing to facilitate the insertion of the positioning column into the positioning slot 17; after the annular chamfered surface is provided on the inner wall of the open end of the positioning slot, when the valve plate body and the compressor casing are assembled, the annular chamfered surface can cooperate and guide with the end of the positioning column on the compressor casing to facilitate the insertion of the positioning column into the positioning slot, which can facilitate the assembly of the valve plate body and the compressor casing.
[0022] Several fixing holes 19 are circumferentially spaced at the edge of the valve plate body 1, and the valve plate body 1 is fixed to the compressor casing by bolts passing through the fixing holes 19; by adopting this structure, the valve plate body can be reliably fixed to the compressor casing by bolts passing through the fixing holes.
[0023] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.
Claims
1. A compressor valve plate, comprising a valve plate body (1), wherein the valve plate body (1) is provided with an air inlet hole (11) and an air outlet hole (12); the characteristics are: An outwardly expanding annular step (13) is provided at the edge of the air inlet side of the air inlet hole (11), a filter screen (2) is embedded on the annular step (13), and the outer edge of the filter screen (2) is fixed to the valve plate body (1); an annular groove (14) is provided at the inner end of the annular step (13) and at the edge of the annular step (13), the annular groove (14) is filled with solder (3), and the outer edge of the filter screen (2) is welded and fixed to the valve plate body (1) via the solder (3); a notch (15) is provided on the side wall of the air inlet hole (11), and the inner end surface of the notch (15) forms a circular arc transition surface (16), and the circular arc transition surface (16) is bent from the air inlet side of the air inlet hole (11) toward the air outlet side of the air inlet hole (11).
2. The compressor valve plate according to claim 1, characterized in that: The valve plate body (1) is provided with a plurality of positioning slots (17), each of the positioning slots (17) being used to cooperate with and plug into one of the positioning columns on the compressor casing to achieve positioning of the valve plate body (1) and the compressor casing.
3. The compressor valve plate according to claim 2, characterized in that: An annular chamfered surface (18) is provided on the inner wall of the open end of the positioning slot (17), and the annular chamfered surface (18) is used to cooperate with the end of the positioning column on the compressor casing to guide the positioning column to be inserted into the positioning slot (17).
4. The compressor valve plate according to claim 1, characterized in that: A plurality of fixing holes (19) are arranged at circumferential intervals on the edge of the valve plate body (1), and the valve plate body (1) is fixed to the compressor casing by bolts passing through the fixing holes (19).