CN212479522U - Valve group structure of refrigeration compressor - Google Patents
Valve group structure of refrigeration compressor Download PDFInfo
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- CN212479522U CN212479522U CN202020438644.XU CN202020438644U CN212479522U CN 212479522 U CN212479522 U CN 212479522U CN 202020438644 U CN202020438644 U CN 202020438644U CN 212479522 U CN212479522 U CN 212479522U
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- valve plate
- valve
- refrigeration compressor
- gasket
- cylinder head
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Abstract
The utility model discloses a refrigeration compressor valves structure, including the crankcase, solid fixed ring, the valve plate gasket, the suction valve block, the valve plate, cylinder head and screw, gu be equipped with the accommodation hole on the fixed ring, be equipped with positioning groove on the accommodation hole lateral wall, the valve plate gasket, the outline and the accommodation hole adaptation of suction valve block and valve plate just set gradually in the accommodation hole, the valve plate gasket, be equipped with respectively on suction valve block and the valve plate with the first location arch of positioning groove adaptation, second location arch and third location arch, the screw passes the cylinder head in proper order, gu fixed ring and crankcase are fixed, the cylinder head compresses tightly the valve plate. The utility model provides a refrigeration compressor valves mounting structure can use still less screw to fix, and easy to assemble has reduced mounting dimension, the miniaturized design of the valves part of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the compressor and specifically relates to a compressor valves structure is related to.
Background
The existing refrigeration compressor valve group mainly adopts four screws for installation, and two screws are difficult to install and position, so that the installation of parts of each valve group is difficult to ensure to have good consistency. Therefore, a valve group structure of a refrigeration compressor needs to be designed, fewer screws can be used for fixing, the installation is convenient, the installation size is reduced, and the miniaturization design of valve group parts is convenient.
Chinese patent application publication No. CN206129531U, published as 26.04.2017, entitled "a refrigeration compressor sealing structure and a refrigeration compressor", discloses a refrigeration compressor sealing structure, relates to the field of refrigeration compressors, and includes a cylinder cover, a gasket, and a valve plate. The valve plate is provided with a first mounting surface, and a sealing cavity opening is formed in the first mounting surface; the cylinder head is provided with a second mounting surface; the gasket is installed between the first installation surface and the second installation surface and clings to the first installation surface and the second installation surface. The first mounting surface or/and the second mounting surface is/are provided with a sealing groove which is arranged around the outline of the sealing cavity opening and is covered by a gasket. The structure of this patent still suffers from the problems described above.
Disclosure of Invention
The utility model discloses an it is difficult to overcome among the prior art refrigerant compressor valves screw installation location, hardly guarantees that each valves part installation has the not enough of good uniformity, provides a refrigerant compressor valves mounting structure, can use the screw still less to fix, and easy to assemble has reduced the mounting dimension, the miniaturized design of the valves part of being convenient for.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a refrigeration compressor valves structure, including the crankcase, solid fixed ring, the valve plate gasket, the suction valve piece, the valve plate, cylinder head and screw, gu be equipped with the accommodation hole on the fixed ring, be equipped with positioning groove on the accommodation hole lateral wall, the valve plate gasket, the outline and the accommodation hole adaptation of suction valve piece and valve plate just set gradually in the accommodation hole, be equipped with respectively on valve plate gasket, suction valve piece and the valve plate with first location arch, second location arch and the third location arch of positioning groove adaptation, the screw passes the cylinder head in proper order, gu fixed ring and crankcase and fixed with the crankcase, the cylinder head compresses tightly the valve plate.
Among the above-mentioned technical scheme, can play the positioning action through positioning groove and location arch to guarantee suitable magnitude of interference through solid fixed ring's thickness, improve the leakproofness of valves. Because positioning groove and location arch can play the positioning action, can use less screw to fix, easy to assemble has reduced the installation dimension, the miniaturized design of the valve group part of being convenient for.
Preferably, the number of the screws is 2, and the 2 screws are symmetrically distributed on the cylinder cover. Because the positioning groove can be used for positioning, the requirement of the mounting structure on the number of the screws is reduced, the mounting precision requirement can be met by 2 screws, and the mounting process is simplified.
Preferably, the sum of the thicknesses of the valve plate gasket, the air suction valve plate and the valve plate is larger than the thickness of the fixing ring. The structure can ensure that the cylinder cover can compress the valve plate.
Preferably, the two joints of the accommodating hole and the positioning groove are respectively provided with a first positioning flange and a second positioning flange. The structure can further improve the positioning precision.
Preferably, the first locating flange is larger in size than the second locating flange. The structure can form an asymmetric structure, and avoids the installation error of the valve plate.
Preferably, an exhaust valve plate is arranged between the fixing ring and the valve plate gasket.
Preferably, a head gasket is provided between the valve plate and the cylinder head. The structure can increase the sealing property.
Preferably, a silencer is fixed on the cylinder cover, and the silencer is communicated with the cylinder cover and the air suction. The structure can reduce noise.
The utility model has the advantages that: the positioning groove and the positioning protrusion can play a positioning role, fewer screws can be used for fixing, the mounting is convenient, the mounting size is reduced, and the miniaturization design of valve group parts is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the air valve comprises a crankcase 1, a fixing ring 2, a containing hole 2.1, a positioning groove 2.2, a first positioning flange 2.3, a second positioning flange 2.4, a valve plate gasket 3, a first positioning bulge 3.1, an air suction valve plate 4, a second positioning bulge 4.1, a valve plate 5, a third positioning bulge 5.1, a cylinder cover 6, a screw 7, an exhaust valve plate 8, a cylinder cover gasket 9 and a silencer 10.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically coupled, directly coupled, or indirectly coupled through an intermediary. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
as shown in fig. 1, a refrigeration compressor valve group structure comprises a crankcase 1, a fixing ring 2, a valve plate gasket 3, an air suction valve plate 4, a valve plate 5, a cylinder cover 6 and 2 screws 7, wherein the fixing ring 2 is provided with a containing hole 2.1, the side wall of the containing hole 2.1 is provided with a positioning groove 2.2, the valve plate gasket 3, the air suction valve plate 4 and the valve plate 5 are adapted to the containing hole 2.1 and are sequentially arranged in the containing hole 2.1, the sum of the thicknesses of the valve plate gasket 3, the air suction valve plate 4 and the valve plate 5 is greater than the thickness of the fixing ring 2, the valve plate gasket 3, the air suction valve plate 4 and the valve plate 5 are respectively provided with a first positioning bulge 3.1, a second positioning bulge 4.1 and a third positioning bulge 5.1 which are adapted to the positioning groove 2.2, and two connecting positions of the containing hole 2.1 and the positioning groove 2.2 are respectively provided with a. The first positioning flange 2.3 has a larger size than the second positioning flange 2.4. The screw 7 passes through the cylinder cover 6, the fixing ring 2 and the crankcase 1 in sequence and is fixed with the crankcase 1, and the cylinder cover 6 presses the valve plate 5. The 2 screws 7 are symmetrically distributed on the cylinder cover 6. An exhaust valve plate 8 is arranged between the fixing ring 2 and the valve plate gasket 3, a cylinder cover gasket 9 is arranged between the valve plate 5 and the cylinder cover 6, a silencer 10 is fixed on the cylinder cover 6, and the silencer 10 is communicated with the cylinder cover 6 in an air suction mode.
Among the above-mentioned technical scheme, can play the positioning action through positioning groove 2.2 and location arch to ensure suitable magnitude of interference through the thickness of solid fixed ring 2, improve the leakproofness of valves. Because positioning groove 2.2 and location arch can play the positioning action, can use less screw 7 to fix, easy to assemble has reduced the mounting dimension, the miniaturized design of the valve group part of being convenient for.
The utility model has the advantages that: the positioning groove and the positioning protrusion can play a positioning role, fewer screws can be used for fixing, the mounting is convenient, the mounting size is reduced, and the miniaturization design of valve group parts is facilitated.
Claims (8)
1. The utility model provides a refrigeration compressor valves structure, characterized by, including the crankcase, solid fixed ring, the valve plate gasket, the suction valve piece, the valve plate, cylinder head and screw, gu be equipped with the accommodation hole on the fixed ring, be equipped with positioning groove on the accommodation hole lateral wall, the outline and the accommodation hole adaptation of valve plate gasket, suction valve piece and valve plate set gradually in the accommodation hole, be equipped with respectively on valve plate gasket, suction valve piece and the valve plate with first location arch, second location arch and the third location arch of positioning groove adaptation, the screw passes the cylinder head in proper order, gu fixed ring and crankcase and fixed with the crankcase, the cylinder head compresses tightly the valve plate.
2. The valve group structure of the refrigeration compressor as claimed in claim 1, wherein the number of the screws is 2, and 2 screws are symmetrically distributed on the cylinder head.
3. The refrigeration compressor valve bank structure of claim 1, wherein the sum of the thicknesses of the valve plate gasket, the suction valve plate and the valve plate is larger than the thickness of the fixing ring.
4. A valve group structure of a refrigeration compressor as claimed in claim 1, 2 or 3, wherein the two junctions of the receiving hole and the positioning groove are respectively provided with a first positioning flange and a second positioning flange.
5. A refrigeration compressor valve train arrangement according to claim 4, wherein said first locating flange is larger in size than said second locating flange.
6. A valve bank structure of a refrigeration compressor according to claim 1, 2 or 3, wherein a discharge valve plate is provided between the fixing ring and the valve plate gasket.
7. A refrigeration compressor valve block structure as claimed in claim 1, 2 or 3, wherein a head gasket is provided between said valve plate and said cylinder head.
8. A refrigeration compressor valve group structure as claimed in claim 1, 2 or 3, wherein a silencer is fixed on the cylinder cover, and the silencer is communicated with the cylinder cover and the suction air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020438644.XU CN212479522U (en) | 2020-03-30 | 2020-03-30 | Valve group structure of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020438644.XU CN212479522U (en) | 2020-03-30 | 2020-03-30 | Valve group structure of refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212479522U true CN212479522U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020438644.XU Active CN212479522U (en) | 2020-03-30 | 2020-03-30 | Valve group structure of refrigeration compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212479522U (en) |
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2020
- 2020-03-30 CN CN202020438644.XU patent/CN212479522U/en active Active
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