CN210599400U - Enthalpy-increasing cavity structure of enthalpy-increasing compressor - Google Patents
Enthalpy-increasing cavity structure of enthalpy-increasing compressor Download PDFInfo
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- CN210599400U CN210599400U CN201921399891.7U CN201921399891U CN210599400U CN 210599400 U CN210599400 U CN 210599400U CN 201921399891 U CN201921399891 U CN 201921399891U CN 210599400 U CN210599400 U CN 210599400U
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Abstract
The utility model belongs to the technical field of the air condition compressor technique and specifically relates to an increase enthalpy cavity structures of enthalpy compressor. It comprises a base, a pressing sheet, a valve sheet and a gasket; an enthalpy increasing port is arranged on the base; the pressing sheet is positioned and installed on the base, and an air inlet is formed in the pressing sheet; an enthalpy-increasing groove is formed in the base, and an enthalpy-increasing opening is formed in the bottom of the enthalpy-increasing groove; the valve plate is clamped between the pressing plate and the base, and is provided with a movable part for closing or opening the air inlet; the gasket is clamped between the valve plate and the base and comprises a sealing ring part and an inclined plane part; the air inlets are distributed above the inclined plane part; the movable part extends and distributes from one end of the inclined plane part close to the valve to one end far away from the valve plate. The utility model utilizes the base and the pressing sheet to be positioned and installed together to form an enthalpy-increasing cavity; the movable part on the valve plate is used for closing or opening the air inlet, so that the function of a one-way valve is achieved; the sealing ring part in the gasket is used for sealing the enthalpy-increasing cavity, and the inclined plane part is used for limiting the opening and closing of the movable part.
Description
Technical Field
The utility model belongs to the technical field of the air condition compressor technique and specifically relates to an increase enthalpy cavity structures of enthalpy compressor.
Background
The air-supplying enthalpy-increasing compressor is provided with an air-supplying enthalpy-increasing port, medium-pressure gas is introduced into a middle pressure cavity of the scroll plate and mixed with part of compressed refrigerant and then compressed, the efficiency of the compressor is improved by increasing the flow of the refrigerant, and the heating function in the lower-temperature environment is realized.
In order to prevent the gas backflow of a compression cavity, a check valve structure needs to be added on a gas supplementing channel, the check valve structure is designed on an air conditioning system at present, more external structures are needed to be matched with the check valve structure, the assembly is complex, and the problem that the enthalpy-increasing gas supplementing performance is reduced due to the fact that a refrigerant flows into the gas supplementing channel under certain working conditions in the practical application process is solved. The one-way valve arranged in the compressor mostly adopts a spring part, although the processing of the spring is simple, the reliability is poor, and the elastic coefficient change is large, so that the non-return or conduction of the one-way valve has delay, the control precision is difficult to ensure, and the unstable condition is easy to occur in the operation process.
Therefore, it is necessary to provide an improved scheme for the enthalpy-increasing cavity structure in the existing air conditioner compressor to reduce the number of assembly parts, optimize the check valve structure, reduce the volume and weight of the compressor, and improve the operation stability of the compressor.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art existence, the utility model aims to provide an increase enthalpy cavity structures of enthalpy compressor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an enthalpy-increasing cavity structure of an enthalpy-increasing compressor, comprising:
the base is provided with one or more enthalpy-increasing ports communicated with a compression cavity of the compressor;
the pressing sheet is positioned and installed on the base, and one or more air inlets used for being communicated with an external air supplementing structure are formed in the pressing sheet; an enthalpy-increasing groove is formed in the base and located within the outline range of the pressing sheet, the enthalpy-increasing opening is formed in the bottom of the enthalpy-increasing groove, and the air inlet is formed in the outline range of the enthalpy-increasing groove;
the valve plate is clamped between the pressing plate and the base, the valve plate is provided with a movable part which is positioned in the outline range of the enthalpy-increasing groove and is distributed in an alignment way with the air inlet, and the movable part is used for closing or opening the air inlet;
the gasket is clamped between the valve plate and the base and comprises a sealing ring part located on the periphery of the enthalpy-increasing groove and an inclined plane part, two ends of the inclined plane part are integrally formed with the sealing ring part and are distributed in the enthalpy-increasing groove, one end of the inclined plane part is attached to the valve plate and is distributed, and the other end of the inclined plane part is gradually far away from the valve plate; the air inlets of the pressing sheets are distributed above the inclined plane part; the movable part extends and distributes from one end of the inclined plane part close to the valve plate to one end far away from the valve plate.
Preferably, the sealing ring part is provided with a convex rib ring part distributed around the enthalpy-increasing groove; the valve plate also comprises a fixed ring part which is distributed in alignment with the sealing ring part, one end of the movable part is connected with the inner side edge of the fixed ring part, and the other end of the movable part extends towards the inner side of the fixed ring part; the convex rib ring part is clamped between the fixed ring part and the base.
Preferably, the bottom surface in the enthalpy-increasing tank is provided with an inclined surface section with an inclined angle matched with the inclined surface part of the gasket.
Preferably, the pressing sheet, the valve sheet and the gasket are provided with pin holes which are distributed in an alignment manner, and the base is provided with a first slot hole which is distributed in an alignment manner with the pin holes.
Preferably, bolt holes distributed in an alignment mode are formed in the pressing sheet, the valve sheet and the gasket, and second slotted holes distributed in an alignment mode with the bolt holes are formed in the base.
Preferably, the air inlet on the preforming is equipped with two and is bilateral symmetry and distributes, the movable part of valve block is equipped with two and counterpoints the distribution with an air inlet respectively.
Preferably, enthalpy-increasing ports on the base are two and distributed on two sides of the inclined plane part respectively.
By adopting the scheme, the utility model utilizes the base and the pressing sheet to be positioned and installed together, so that an enthalpy-increasing cavity structure is formed between the enthalpy-increasing groove and the bottom surface of the pressing sheet; the enthalpy increasing cavity is communicated with an external air supplementing structure through an air inlet formed in the pressing sheet and is communicated with a compression cavity in a scroll of the compressor through an enthalpy increasing port formed in the enthalpy increasing groove; the valve plate and the gasket are sequentially clamped between the base and the pressing plate, and the movable part on the valve plate is used for closing or opening the air inlet, so that the function of the one-way valve is realized; utilize the sealing washer portion in the gasket to realize the sealed of enthalpy-increasing cavity, utilize the structure of inclined plane portion simultaneously, form the space of stepping down and the spacing space of closing of opening of the movable part that supplies the valve block between the air inlet of inclined plane portion and preforming, can play limiting displacement to opening and closing of movable part.
Based on this, its simple structure is compact, has reduced assembly spare part quantity, has optimized the structure of check valve, reduces compressor volume and weight, has very strong practical value and market spreading value.
Drawings
Fig. 1 is a schematic view of an overall assembly structure of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is a cross-sectional view of an embodiment of the invention;
FIG. 4 is a schematic structural view of a valve plate and a gasket according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram in the enthalpy-increasing cavity according to the embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 5, an enthalpy-increasing cavity structure of an enthalpy-increasing compressor according to an embodiment of the present invention includes a base 10, a pressing plate 20, a valve plate 30, and a gasket 40; the base 10 is provided with one or more enthalpy-increasing ports 11 for communicating with a compression cavity of the compressor; the pressing sheet 20 is positioned and installed on the base 10, and one or more air inlets 21 used for being communicated with an external air supply structure are formed in the pressing sheet 20; an enthalpy-increasing groove a is formed in the base 10 and located within the outline range of the pressing sheet 20, the enthalpy-increasing port 11 is formed in the bottom of the enthalpy-increasing groove a, and the air inlet 21 is formed within the outline range of the enthalpy-increasing groove a; the valve plate 30 is clamped between the pressing plate 20 and the base 10, the valve plate 30 is provided with a movable part 31 which is positioned in the outline range of the enthalpy-increasing groove a and is distributed in a contraposition mode with the air inlet 21, and the movable part 31 is used for closing or opening the air inlet 21; the gasket 40 is clamped between the valve plate 30 and the base 10, the gasket 40 is preferably made of SPCC and butadiene-acrylonitrile rubber, the SPCC is used as a base material, and a layer of butadiene-acrylonitrile rubber is wrapped outside the SPCC; the gasket 40 comprises a sealing ring part 41 positioned on the peripheral side of the enthalpy-increasing groove a and an inclined plane part 42 with two ends integrally formed with the sealing ring part 41 and distributed in the enthalpy-increasing groove a, one end of the inclined plane part 42 is attached to the valve plate 30 and distributed, and the other end of the inclined plane part is gradually far away from the valve plate 30; the air inlets 21 of the pressing sheets 20 are distributed above the inclined plane part 42; the movable portion 31 extends from one end of the slant portion 42 close to the valve plate 30 to one end far from the valve plate 30.
Based on the structural arrangement, the base 10 and the pressing sheet 20 are positioned and installed together, so that an enthalpy-increasing cavity structure is formed between the enthalpy-increasing groove a and the bottom surface of the pressing sheet 20; the enthalpy-increasing cavity is communicated with an external air-supplementing structure through an air inlet 21 arranged on the pressing sheet 20 and is communicated with a compression cavity in a scroll of the compressor through an enthalpy-increasing port 11 arranged in an enthalpy-increasing groove a; the valve sheet 30 and the gasket 40 are sequentially clamped between the base 10 and the pressing sheet 20, the air inlet 21 is closed or opened by using the movable part 31 on the valve sheet 30, when the gas pressure of the external air supply component is higher than the pressure of the compression cavity in the scroll, the movable part 31 on the valve sheet 30 is opened, the supplemented gas refrigerant is pushed by the air inlet 21 to open the movable part 31 on the valve sheet 30 to enter the enthalpy-increasing cavity and enter the compression cavity of the scroll through the enthalpy-increasing port 11 on the bottom surface of the enthalpy-increasing groove a to be compressed, and when the pressure of the compression cavity in the scroll is greater than or equal to the pressure outside the enthalpy-increasing cavity, the movable part 31 of the valve sheet 30 closes the air inlet 21 to prevent the refrigerant from reversely flowing, thereby achieving the function of the one-way valve; meanwhile, the sealing ring part 41 in the gasket 40 is used for sealing the peripheral side between the base 10 and the pressing sheet 20, namely, sealing an enthalpy-increasing cavity, and by using the structure of the inclined surface part 42, a yielding space and a limiting space for opening and closing the movable part 31 of the valve sheet 30 can be formed between the inclined surface part 42 and the air inlet 21 of the pressing sheet 20, so that the opening and closing of the movable part 31 can be limited.
Further, as a preferable scheme, the sealing ring part 41 of the embodiment is provided with a rib ring part 43 distributed around the enthalpy-increasing groove a; the valve plate 30 also comprises a fixed ring part 32 which is distributed in contraposition with the sealing ring part 41, one end of the movable part 31 is connected with the inner side edge of the fixed ring part 32, and the other end extends and distributes towards the inner side of the fixed ring part 32; the bead portion 43 is interposed between the fixed bead portion 32 and the base frame 10. Thus, the sealing action of the seal ring portion 41 can be improved by the structural arrangement of the bead portion 43; while the movable portion 31 is positioned by the integral connection structure of the fixed ring portion 32 and the movable portion 31.
Further, as a preferable scheme, the bottom surface of the enthalpy-increasing groove a of the present embodiment is provided with a slope section 12 having an inclination angle matched with the slope portion 42 of the gasket 40. The structure of the inclined surface section 12 on the bottom surface of the enthalpy-increasing groove a is matched with the inclined surface part 42 of the gasket 40, so that the limiting effect on the movable part 31 is enhanced and improved.
Further, as a preferable scheme, the pressing sheet 20, the valve sheet 30, and the gasket 40 of the present embodiment are provided with pin holes a which are distributed in an aligned manner, the base 10 is provided with first slots 13 which are distributed in an aligned manner with the pin holes a, and the first slots 13 are non-through holes. The positioning assembly among the pressing sheet 20, the valve sheet 30, the gasket 40 and the base 10 is completed by the pin 50 inserted into the pin hole a and the first slot hole 13.
Further, as a preferable scheme, the pressing plate 20, the valve plate 30, and the gasket 40 of the present embodiment are provided with bolt holes b distributed in an aligned manner, the base 10 is provided with second slots 14 distributed in an aligned manner with the bolt holes b, and the second slots 14 are non-through holes. Through the matching of the bolt 60, the bolt hole b and the second slot hole 14, the pressing sheet 20, the valve sheet 30, the gasket 40 and the base 10 can be fixed, and the compression cavity is sealed.
Preferably, the two air inlets 21 of the pressing plate 20 of the present embodiment are symmetrically disposed, and the two movable portions 31 of the valve plate 30 are disposed and aligned with one air inlet 21.
In order to optimize the structure of the enthalpy-increasing cavity, as a preferable scheme, two enthalpy-increasing ports 11 on the base 10 of the present embodiment are respectively distributed on two sides of the inclined plane portion 42.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (7)
1. An enthalpy-increasing cavity structure of an enthalpy-increasing compressor is characterized by comprising:
the base is provided with one or more enthalpy-increasing ports communicated with a compression cavity of the compressor;
the pressing sheet is positioned and installed on the base, and one or more air inlets used for being communicated with an external air supplementing structure are formed in the pressing sheet; an enthalpy-increasing groove is formed in the base and located within the outline range of the pressing sheet, the enthalpy-increasing opening is formed in the bottom of the enthalpy-increasing groove, and the air inlet is formed in the outline range of the enthalpy-increasing groove;
the valve plate is clamped between the pressing plate and the base, the valve plate is provided with a movable part which is positioned in the outline range of the enthalpy-increasing groove and is distributed in an alignment way with the air inlet, and the movable part is used for closing or opening the air inlet;
the gasket is clamped between the valve plate and the base and comprises a sealing ring part located on the periphery of the enthalpy-increasing groove and an inclined plane part, two ends of the inclined plane part are integrally formed with the sealing ring part and are distributed in the enthalpy-increasing groove, one end of the inclined plane part is attached to the valve plate and is distributed, and the other end of the inclined plane part is gradually far away from the valve plate; the air inlets of the pressing sheets are distributed above the inclined plane part; the movable part extends and distributes from one end of the inclined plane part close to the valve plate to one end far away from the valve plate.
2. The enthalpy-increasing chamber structure of the enthalpy-increasing compressor according to claim 1, wherein the bead portion is provided with a bead portion distributed around the enthalpy-increasing groove; the valve plate also comprises a fixed ring part which is distributed in alignment with the sealing ring part, one end of the movable part is connected with the inner side edge of the fixed ring part, and the other end of the movable part extends towards the inner side of the fixed ring part; the convex rib ring part is clamped between the fixed ring part and the base.
3. The enthalpy-increasing chamber structure of the enthalpy-increasing compressor according to claim 1, wherein the inner bottom surface of the enthalpy-increasing tank is provided with an inclined surface section with an inclination angle matched with the inclined surface portion of the gasket.
4. The enthalpy-increasing cavity structure of the enthalpy-increasing compressor according to claim 1, wherein the pressing sheet, the valve sheet and the gasket are provided with pin holes which are distributed in an aligned manner, and the base is provided with a first slot hole which is distributed in an aligned manner with the pin holes.
5. The enthalpy-increasing cavity structure of the enthalpy-increasing compressor according to claim 1, wherein bolt holes distributed in an aligned manner are formed in the pressing sheet, the valve sheet and the gasket, and a second slot hole distributed in an aligned manner with the bolt holes is formed in the base.
6. The enthalpy-increasing cavity structure of the enthalpy-increasing compressor according to claim 1, wherein two air inlets are arranged on the pressing sheet and are distributed in bilateral symmetry, and two movable portions of the valve sheet are respectively distributed in alignment with one air inlet.
7. The enthalpy-increasing cavity structure of the enthalpy-increasing compressor according to claim 1, wherein two enthalpy-increasing ports are formed in the base and respectively distributed on two sides of the inclined plane portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399891.7U CN210599400U (en) | 2019-08-23 | 2019-08-23 | Enthalpy-increasing cavity structure of enthalpy-increasing compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921399891.7U CN210599400U (en) | 2019-08-23 | 2019-08-23 | Enthalpy-increasing cavity structure of enthalpy-increasing compressor |
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| CN210599400U true CN210599400U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041486A1 (en) * | 2020-08-25 | 2022-03-03 | 艾默生环境优化技术(苏州)有限公司 | Fixed scroll of scroll compressor and scroll compressor |
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2019
- 2019-08-23 CN CN201921399891.7U patent/CN210599400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041486A1 (en) * | 2020-08-25 | 2022-03-03 | 艾默生环境优化技术(苏州)有限公司 | Fixed scroll of scroll compressor and scroll compressor |
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