CN213743985U - Valve block limiting plate, valve block assembly and compressor - Google Patents
Valve block limiting plate, valve block assembly and compressor Download PDFInfo
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- CN213743985U CN213743985U CN202022407779.2U CN202022407779U CN213743985U CN 213743985 U CN213743985 U CN 213743985U CN 202022407779 U CN202022407779 U CN 202022407779U CN 213743985 U CN213743985 U CN 213743985U
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- valve plate
- limiting
- plate
- exhaust valve
- limiting surface
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Abstract
The application provides a valve plate limiting plate, a valve plate assembly and a compressor, wherein the valve plate limiting plate is used for being matched with an exhaust valve plate and comprises a connecting part and a limiting part which are connected with each other, the connecting part is used for being connected with a valve plate, the limiting part is provided with a limiting surface, the limiting surface is provided with a concave structure, and the limiting surface is used for abutting against the exhaust valve plate so as to limit the maximum opening degree of the exhaust valve plate; and when the exhaust valve plate is abutted against the limiting surface, the exhaust valve plate shields at least part of the concave structure. After the exhaust valve plate is abutted against the limiting surface, the exhaust valve plate shields at least part of the sunken structure on the limiting surface, and the part of the sunken structure shielded by the exhaust valve plate is not attached to the limiting surface, so that the contact area of the exhaust valve plate and the limiting surface is reduced, the viscous resistance of the exhaust valve plate is reduced, the exhaust valve plate rebounds more quickly, and an exhaust port can be closed in time, so that the refrigerating capacity is improved.
Description
Technical Field
The utility model relates to a compressor technical field particularly, relates to a valve block limiting plate, valve block subassembly and compressor.
Background
The compressor is a driven fluid machine that raises low-pressure gas to high-pressure gas, and is the heart of a refrigeration system. The compressor can suck low-temperature and low-pressure refrigerant gas from the air suction pipe, the low-temperature and low-pressure refrigerant gas is compressed into high-temperature and high-pressure refrigerant gas under the action of the movable scroll, and the high-temperature and high-pressure refrigerant gas is discharged from the air discharge pipe to provide power for a refrigeration cycle, so that the refrigeration cycle of compression → condensation (heat release) → expansion → evaporation (heat absorption) is realized. The exhaust valve plate and the valve plate limiting plate are important parts in the compressor and play a key role in sealing.
The inventor researches and discovers that the existing exhaust valve plate and valve plate limiting plate have the following defects:
after the exhaust valve plate abuts against the valve plate limiting plate, the viscous resistance of the exhaust valve plate is large, so that the rebound of the exhaust valve plate is not facilitated, and the refrigerating capacity is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve block limiting plate, valve block subassembly and compressor, its viscous resistance that can reduce the discharge valve piece, the discharge valve piece kick-backs smoothly, improves the refrigerating output.
The embodiment of the utility model is realized like this:
in a first aspect, an embodiment of the present invention provides a valve plate limiting plate, configured to be matched with an exhaust valve plate, where the valve plate limiting plate includes a connecting portion and a limiting portion, the connecting portion is configured to be connected with a valve plate, the limiting portion has a limiting surface, the limiting surface is provided with a recessed structure, and the limiting surface is configured to abut against the exhaust valve plate to limit a maximum opening degree of the exhaust valve plate;
and when the exhaust valve plate is abutted against the limiting surface, the exhaust valve plate shields at least part of the concave structure.
In an alternative embodiment, the recess structure is provided as a blind hole.
In an alternative embodiment, the recessed structure is provided as a through hole.
In an optional embodiment, the number of the limiting parts is multiple, the multiple limiting parts are arranged at intervals and are all connected with the connecting part, and the limiting surfaces on the multiple limiting parts are located on the same side of the valve plate limiting plate.
In an optional implementation mode, the valve plate limiting plate further comprises a positioning portion, the positioning portion is connected with the connecting portion, and the positioning portion is used for being matched with the valve plate in an inserting mode.
In an alternative embodiment, the positioning portion is provided as a positioning projection.
In an alternative embodiment, the connecting portion is provided with a mounting hole for passing a bolt therethrough.
In an alternative embodiment, the connecting portion and the stopper portion are integrally formed.
In a second aspect, an embodiment of the present invention provides a valve plate assembly, the valve plate assembly includes:
the exhaust valve plate is connected with the connecting portion of the limiting portion, the exhaust valve plate has a distance with the limiting portion of the valve plate limiting plate, and when the exhaust valve plate is elastically deformed by an external force, the exhaust valve plate can abut against the limiting surface of the limiting portion.
In a third aspect, an embodiment of the present invention provides a compressor, including:
the valve plate assembly of the previous embodiment.
The embodiment of the utility model provides a beneficial effect is:
to sum up, this embodiment provides a valve block limiting plate, and valve block limiting plate includes connecting portion and spacing portion that link to each other, and spacing portion has spacing face, is provided with the sunk structure on the spacing face, and when the discharge valve piece was broken open and was close to the valve block limiting plate under the atmospheric pressure effect, the discharge valve piece produced elastic deformation and can support with spacing face and hold, and the gas vent is opened. After the exhaust valve plate is abutted against the limiting surface, the exhaust valve plate shields at least part of the sunken structure on the limiting surface, and the part of the sunken structure shielded by the exhaust valve plate is not attached to the limiting surface, so that the contact area of the exhaust valve plate and the limiting surface is reduced, the viscous resistance of the exhaust valve plate is reduced, the exhaust valve plate rebounds more quickly, and an exhaust port can be closed in time, so that the refrigerating capacity is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is an exploded schematic view of a valve plate assembly according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a valve plate assembly according to an embodiment of the present invention;
fig. 3 is a schematic partial structural view of a compressor according to an embodiment of the present invention;
fig. 4 is an exploded schematic view of a partial structure of a compressor according to an embodiment of the present invention.
Icon:
100-valve plate limiting plate; 110-a limiting part; 111-a limiting surface; 112-a recessed structure; 120-a connecting portion; 121-mounting holes; 130-a positioning section; 200-an exhaust valve plate; 210-positioning holes; 300-bolt; 400-a compressor housing; 410-vent hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, in the present embodiment, a valve plate limiting plate 100 is provided for abutting against an exhaust valve plate 200 to limit a position of the exhaust valve plate 200, after the valve plate limiting plate 100 abuts against the exhaust valve plate 200, a contact area between the two is small, a viscous resistance is small, which is beneficial to rebound of the exhaust valve plate 200, the exhaust valve plate 200 can close an exhaust port in time, and a compressor can control a cooling capacity more accurately.
Referring to fig. 1, in the present embodiment, the valve plate limiting plate 100 includes a connecting portion 120 and a limiting portion 110 connected to each other, the connecting portion 120 is used for connecting to a valve plate, the limiting portion 110 has a limiting surface 111, the limiting surface 111 is provided with a concave structure 112, and the limiting surface 111 is used for abutting against the exhaust valve plate 200 to limit the maximum opening of the exhaust valve plate 200;
when the discharge valve plate 200 abuts against the limiting surface 111, the discharge valve plate 200 covers at least a portion of the recess 112.
The valve plate limiting plate 100 provided by the embodiment comprises a connecting portion 120 and a limiting portion 110 which are connected, wherein the limiting portion 110 is provided with a limiting surface 111, a concave structure 112 is arranged on the limiting surface 111, in an initial state, the exhaust valve plate 200 seals an exhaust port, under the condition that the air pressure at the exhaust port is increased, the exhaust valve plate 200 can be flushed away under the action of the air pressure and is close to the valve plate limiting plate 100, at the moment, the exhaust valve plate 200 generates elastic deformation and can be abutted against the limiting surface 111, and the exhaust port is opened. After the exhaust valve plate 200 abuts against the limiting surface 111, at least part of the sunken structure 112 on the limiting surface 111 is shielded by the exhaust valve plate 200, and the part of the sunken structure 112 shielded by the exhaust valve plate 200 is not attached to the limiting surface 111, so that the contact area of the exhaust valve plate 200 and the limiting surface 111 is reduced, the viscous resistance of the exhaust valve plate 200 is reduced, the exhaust valve plate 200 rebounds more quickly, an exhaust port can be closed in time, and the refrigerating capacity is improved.
In this embodiment, it should be noted that the connecting portion 120 and the limiting portion 110 are integrally formed, in other words, the connecting portion 120 and the limiting portion 110 can be manufactured by processing a single plate, so that the structure strength is high, the damage is not easy, and the service life is long.
Alternatively, the recessed structure 112 on the limiting surface 111 may be a blind hole, a through hole, a notch, or the like.
It should be understood that the size and number of the concave structures 112 on the limiting surface 111 can be set as required, for example, one concave structure 112 or a plurality of concave structures 112 can be set on the limiting surface 111, and when there are a plurality of concave structures 112, the plurality of concave structures 112 are independent from each other. In addition, the plurality of recessed structures 112 may be configured identically, for example, the plurality of recessed structures 112 are all blind holes or through holes. Obviously, the plurality of recessed structures 112 may be configured differently, for example, the plurality of recessed structures 112 includes at least one blind hole and at least one through hole.
Alternatively, when there are a plurality of the concave structures 112, the shapes of the plurality of concave structures 112 may not be completely the same. For example, the concave structure 112 may be a circular hole, a square hole, a triangular hole, an elliptical hole, or the like. It should be understood that the plurality of recessed structures 112 may be all configured in the same shape, for example, the plurality of recessed structures 112 are all circular holes, square holes, triangular holes, elliptical holes, or the like.
It should be noted that, when the plurality of concave structures 112 are provided, the sizes of the plurality of concave structures 112 may not be completely the same.
In addition, when the recessed structure 112 is provided in plurality, at least one of the shape and the size of the recessed structure 112 may not be completely the same.
It should be appreciated that to facilitate the processing of the recessed feature 112, a recessed feature 112 may be provided on the stop surface 111. In addition, when the number of the concave structures 112 on the same limiting surface 111 is plural, the shapes and the sizes of the plurality of concave structures 112 are the same.
In this embodiment, optionally, a concave structure 112 is disposed on the limiting surface 111, and the concave structure 112 is a circular blind hole.
In this embodiment, valve block limiting plate 100 can include a plurality of spacing portions 110, and every spacing portion 110 is the bar, and the one end and the connecting portion 120 of every spacing portion 110 are connected, and connecting portion 120 extension is kept away from to the other end, and a plurality of spacing portions 110 are arranged along the even interval of rectilinear direction, and this rectilinear direction is the length direction of connecting portion 120. The limiting surfaces 111 of the limiting parts 110 are located on the same side of the valve plate limiting plate 100 and on the same plate surface.
Further, the thickness of the limiting portion 110 is the same as that of the connecting portion 120, that is, the thickness of the limiting portion 110 or the thickness of the connecting portion 120 is the thickness of the valve plate limiting plate 100, and the plate surface of the limiting portion 110 and the plate surface corresponding to the connecting portion 120 are located in the same plane. The valve plate limiting plate 100 is convenient to process and manufacture.
Each limiting surface 111 is provided with a concave structure 112, and it should be noted that the concave structures 112 on different limiting surfaces 111 may be set differently. In this embodiment, in order to facilitate the processing and manufacturing, the plurality of limiting surfaces 111 are respectively provided with a concave structure 112, and the concave structures 112 are configured as circular blind holes.
In this embodiment, the number of the limiting portions 110 is three, and the three limiting portions 110 are uniformly arranged on the connecting portion 120 at intervals. Each of the limiting portions 110 is an arc-shaped plate, so that after the valve plate limiting plate 100 and the exhaust valve plate 200 are assembled, a space is formed between the exhaust valve plate 200 and the limiting surface 111, and a space for the exhaust valve plate 200 to elastically deform under the action of air pressure is provided.
In this embodiment, the connecting portion 120 is provided with a mounting hole 121 penetrating the connecting portion 120 along the thickness thereof, the mounting hole 121 is a circular hole, and the mounting hole 121 is used for the bolt 300 to pass through, so as to fix the connecting portion 120 on the compressor housing 400 through the bolt 300, and the mounting and fixing of the valve plate limiting plate 100 are also realized.
It should be understood that the mounting hole 121 may also be provided with a rivet, and the connecting portion 120 and the compressor housing 400 are fixed by the rivet.
Obviously, in other embodiments, the connecting portion 120 may not be provided with the mounting hole 121, and the connecting portion 120 may be directly fixed to the compressor housing 400, for example, by using an adhesive, welding, or the like.
In this embodiment, optionally, the valve plate limiting plate 100 further includes a positioning portion 130, the positioning portion 130 is connected to the connecting portion 120, and the positioning portion 130 is located on a plate surface of the connecting portion 120 corresponding to the limiting surface 111.
The number of the positioning portions 130 may be one or more, and when the number of the positioning portions 130 is plural, the plurality of positioning portions 130 are arranged on the same plate surface of the connecting portion 120 at intervals.
Alternatively, the positioning part 130 may be a positioning protrusion.
The valve plate limiting plate 100 provided by the embodiment has a simple and reasonable structure, and when the valve plate limiting plate is in contact with the exhaust valve plate 200, the contact area of the valve plate limiting plate and the exhaust valve plate is small, the viscous resistance is small, and the rebound of the exhaust valve plate 200 is facilitated.
Referring to fig. 1 and 2, the present embodiment further provides a valve plate assembly, including an exhaust valve plate 200 and the valve plate limiting plate 100 of the above embodiment, the exhaust valve plate 200 is connected to the valve plate limiting plate 100, one side of the exhaust valve plate 200 contacts the valve plate limiting plate 100, the other side has a distance from the limiting surface 111 of the valve plate limiting plate 100, and the exhaust valve plate 200 can approach the limiting surface 111 and abut against the limiting surface 111 under the action of air pressure.
Optionally, the discharge valve plate 200 is provided with a positioning hole 210, and the positioning protrusion may pass through the positioning hole 210 and then be inserted into the compressor housing 400, so as to limit the discharge valve plate 200 and the valve plate limiting plate 100.
In addition, when the valve sheet restriction plate 100 is fixed to the compressor housing 400 by the bolt 300, the bolt 300 passes through the discharge valve sheet 200 while fixing the discharge valve sheet 200 to the compressor housing 400.
Referring to fig. 3 and fig. 4, the present embodiment further provides a compressor, which includes a compressor housing 400 and the valve plate assembly or the valve plate limiting plate 100 of the above embodiment.
The compressor housing 400 is provided with discharge holes 410, and the number of the discharge holes 410 is set as required.
The compressor housing 400 is further provided with a positioning groove, and the positioning protrusion on the valve plate limiting plate 100 penetrates through the positioning hole 210 on the exhaust valve plate 200 and then is inserted into the positioning groove to realize positioning.
It should be understood that the positioning portion 130 connected to the connecting portion 120 may also be a groove, and the compressor housing 400 is provided with a convex pillar, and the convex pillar passes through the positioning hole 210 on the discharge valve plate 200 and then is inserted into the groove, so that the positioning of the discharge valve plate 200 and the valve plate position limiting plate 100 can also be achieved.
The compressor that this embodiment provided, the control of refrigerating output is more accurate.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a valve block limiting plate for with the cooperation of discharge valve block, its characterized in that:
the valve plate limiting plate comprises a connecting part and a limiting part which are connected, the connecting part is used for being connected with a valve plate, the limiting part is provided with a limiting surface, the limiting surface is provided with a concave structure, and the limiting surface is used for abutting against the exhaust valve plate so as to limit the maximum opening of the exhaust valve plate;
and when the exhaust valve plate is abutted against the limiting surface, the exhaust valve plate shields at least part of the sunken structure.
2. The valve plate limiting plate of claim 1, wherein:
the recessed structure is a blind hole.
3. The valve plate limiting plate of claim 1, wherein:
the recessed structure is provided as a through hole.
4. The valve plate limiting plate of claim 1, wherein:
the valve plate is characterized in that the limiting parts are multiple in number, the limiting parts are arranged at intervals and are connected with the connecting parts, and the limiting surfaces on the limiting parts are located on the same side of the valve plate limiting plate.
5. The valve plate limiting plate of claim 1, wherein:
the valve plate limiting plate further comprises a positioning portion, the positioning portion is connected with the connecting portion, and the positioning portion is used for being matched with the valve plate in an inserting mode.
6. The valve plate limiting plate of claim 5, wherein:
the positioning part is arranged to be a positioning bulge.
7. The valve plate limiting plate of claim 1, wherein:
the connecting part is provided with a mounting hole for a bolt to pass through.
8. The valve plate limiting plate of claim 1, wherein:
the connecting part and the limiting part are integrally formed.
9. A valve plate assembly, comprising:
the valve plate limiting plate comprises an exhaust valve plate and the valve plate limiting plate according to any one of claims 1 to 8, wherein the exhaust valve plate is connected with the connecting portion of the limiting portion, the exhaust valve plate is spaced from the limiting portion of the valve plate limiting plate, and when the exhaust valve plate is elastically deformed by external force, the exhaust valve plate can abut against the limiting surface of the limiting portion.
10. A compressor, characterized in that the compressor comprises:
the valve plate assembly of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407779.2U CN213743985U (en) | 2020-10-26 | 2020-10-26 | Valve block limiting plate, valve block assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407779.2U CN213743985U (en) | 2020-10-26 | 2020-10-26 | Valve block limiting plate, valve block assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213743985U true CN213743985U (en) | 2021-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022407779.2U Active CN213743985U (en) | 2020-10-26 | 2020-10-26 | Valve block limiting plate, valve block assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213743985U (en) |
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2020
- 2020-10-26 CN CN202022407779.2U patent/CN213743985U/en active Active
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