CN211343279U - Double-reed suction and exhaust valve assembly and compressor - Google Patents
Double-reed suction and exhaust valve assembly and compressor Download PDFInfo
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- CN211343279U CN211343279U CN201921819362.8U CN201921819362U CN211343279U CN 211343279 U CN211343279 U CN 211343279U CN 201921819362 U CN201921819362 U CN 201921819362U CN 211343279 U CN211343279 U CN 211343279U
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Abstract
The utility model relates to a compressor technical field particularly relates to a two reed suction and exhaust valve subassembly. The double-reed air suction and exhaust valve assembly comprises an air suction valve plate, a valve plate and an exhaust valve plate, wherein two air suction holes and two exhaust holes are formed in the valve plate; the air suction valve plate is provided with two air suction reed springs, and the air exhaust valve plate is provided with two air exhaust reed springs; the air suction reed and the exhaust reed are of waist-shaped structures, and the two air suction reeds are adjacently arranged on the air suction valve plate body and are opposite in opening direction. Two air suction holes, two exhaust holes, two air suction reed and two exhaust reed are arranged closely, so that the space of the valve plate is saved to the maximum extent. Under the limited condition of valve plate area, such arrangement can furthest's increase the area in hole of inhaling, increase gaseous mass flow, and to a great extent's improvement the efficiency of inhaling of compressor, improved the complete machine efficiency of compressor.
Description
Technical Field
The utility model belongs to the technical field of the compressor, specifically a two reed suction and exhaust valve subassembly and compressor.
Background
The fully-closed reciprocating piston type refrigeration compressor realizes the processes of air suction and air exhaust through an air suction and exhaust system, an air suction and exhaust valve assembly is a key part of the air suction and exhaust system, a valve plate is provided with an air suction hole and an air exhaust hole, a reed covering the air suction hole and the air exhaust hole is arranged on the valve plate, the air suction hole and the air exhaust hole are opened and closed through the displacement of the reed, and a refrigerant is intermittently sucked into and exhausted out of a cylinder, so that the aim of refrigeration is fulfilled.
At present, most valve banks of the totally-enclosed reciprocating piston type refrigeration compressors only have one suction hole and one exhaust hole, or the sectional area of the suction hole or the exhaust hole is smaller, the suction and exhaust resistance is larger, when the discharge capacity is increased, the noise is increased, the service life of a valve plate is also influenced, and the performance of the compressor is influenced. The more the number of the air suction holes and the air discharge holes is, the larger the mass flow is, and the higher the efficiency of the compressor is under the same condition. The document cn201621121818.x discloses a double reed suction valve assembly, which comprises two suction holes, and improves the suction efficiency of the compressor to a certain extent, but because of the restriction of the valve plate space, only one discharge hole is provided, and the discharge resistance is still large. This is due to the fact that the cylinder bore is circumscribed by a circular gas flow conduit, all of the suction and exhaust reed need to be disposed within the circular cross-sectional area of this circular gas flow conduit. However, in a general small compressor, the valve plate has a relatively small area, and it is difficult to arrange a plurality of suction holes and a plurality of discharge holes in the circular area, so that it is difficult to improve the suction and discharge efficiency of the compressor from the viewpoint of increasing the number of the suction and discharge holes.
Disclosure of Invention
In order to solve the problem, the utility model provides a two reed suction and exhaust valve subassembly and compressor that have arranged two suction holes and two exhaust holes in limited valve plate space.
The utility model provides a double-reed suction and exhaust valve component, which comprises a suction valve plate, a valve plate and an exhaust valve plate which are sequentially stacked from top to bottom, and is characterized in that the valve plate is provided with two suction holes and two exhaust holes; the air suction valve plate comprises an air suction valve plate body and air suction tongues arranged on the air suction valve plate body, the air suction tongues cover the air suction holes, and the number of the air suction tongues is equal to that of the air suction holes; the exhaust valve plate comprises an exhaust valve plate body and exhaust tongues arranged on the exhaust valve plate body, the exhaust tongues cover the exhaust holes, and the number of the exhaust tongues is equal to that of the exhaust holes; the air suction reed is of a waist-shaped structure, and the two air suction reeds are adjacently arranged on the air suction valve plate body and are opposite in opening direction.
Furthermore, the suction valve block body and the exhaust valve block body are provided with through holes, the suction reed covers the through holes in the suction valve block body, and the exhaust reed covers the through holes in the exhaust valve block body.
Further, the air suction reed and the air exhaust reed respectively comprise a connecting end and a movable end far away from the connecting end, gaps exist between the movable end and the hole wall of the through hole, and the connecting end is connected with the hole wall of the through hole and integrally formed with the valve block body.
Further, a part of the air suction reed close to the movable end covers the air suction hole; and a part of the exhaust reed close to the movable end covers the exhaust hole.
Furthermore, the double-reed air suction and exhaust valve assembly further comprises a connecting piece, the valve plate, the air suction valve plate and the air exhaust valve plate are respectively provided with a first mounting hole, a second mounting hole and a third mounting hole, and the air suction valve plate and the air exhaust valve plate are fixed on the valve plate through the first mounting hole, the second mounting hole and the third mounting hole by the connecting piece.
Furthermore, the center line of the exhaust reed coincides with the circle center of the third mounting hole close to the exhaust reed connecting end.
Further, the connecting piece is a screw.
Further, still including setting up the exhaust buffer chip that keeps away from valve plate one side at the exhaust valve piece.
The utility model also provides a compressor, the compressor includes two reed suction and exhaust valve subassemblies. The double-reed air suction and exhaust valve assembly comprises an air suction valve plate, a valve plate and an exhaust valve plate which are sequentially stacked from top to bottom, and is characterized in that two air suction holes and two exhaust holes are formed in the valve plate; the air suction valve plate comprises an air suction valve plate body and air suction tongues arranged on the air suction valve plate body, the air suction tongues cover the air suction holes, and the number of the air suction tongues is equal to that of the air suction holes; the exhaust valve plate comprises an exhaust valve plate body and exhaust tongues arranged on the exhaust valve plate body, the exhaust tongues cover the exhaust holes, and the number of the exhaust tongues is equal to that of the exhaust holes; the air suction reed is of a waist-shaped structure, and the two air suction reed are adjacently arranged on the air suction valve plate body and are opposite in opening direction.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a two reed suction and exhaust valve subassemblies and compressor, the compressor includes two reed suction and exhaust valve subassemblies. The valve plate of the double-reed air suction and exhaust valve assembly is provided with two air suction holes and two exhaust holes, the air suction valve block is provided with two air suction tongues, the exhaust valve block is provided with two exhaust tongues, the air suction tongues are designed in a waist shape, and the two air suction holes, the two exhaust holes, the two air suction tongues and the two exhaust tongues are specially and tightly arranged, so that the space of the valve plate is saved to the maximum extent. Under the limited condition of valve plate area, such arrangement can furthest's increase the area in hole of inhaling, increase gaseous mass flow, and to a great extent's improvement the efficiency of inhaling of compressor, improved the complete machine efficiency of compressor.
Drawings
Fig. 1 is a structural diagram of a dual-reed suction/exhaust valve assembly provided by the present invention.
Fig. 2 is an assembly view of the dual reed air intake and exhaust valve assembly provided by the present invention.
Fig. 3 is a schematic view of a valve plate structure of a double-reed suction/exhaust valve assembly provided by the present invention.
Fig. 4a is a schematic structural view of the suction valve plate of the dual-reed suction/exhaust valve assembly provided by the present invention.
Fig. 4b is the schematic structural diagram of the suction valve plate body of the double-reed suction/exhaust valve assembly provided by the present invention.
Fig. 5a is a schematic structural view of an exhaust valve plate of a dual-reed air intake/exhaust valve assembly provided by the present invention.
Fig. 5b is the schematic structural view of the exhaust valve plate body of the dual-reed air intake and exhaust valve assembly provided by the present invention.
Fig. 6a is a schematic structural view of an exhaust buffer plate of a dual reed air intake/exhaust valve assembly according to the present invention.
Fig. 6b is a schematic structural view of the exhaust buffer plate body of the dual-reed suction/exhaust valve assembly provided by the present invention.
Fig. 6c is a schematic view of an assembly structure of the exhaust buffer plate of the dual-reed suction/exhaust valve assembly according to the present invention.
In the figure: 1. a valve plate; 2. an air suction valve plate; 3. an exhaust valve plate; 11. a suction hole; 12. an exhaust hole; 13. a first mounting hole; 14. a first vent hole; 111. a first air-intake hole; 112. a second suction hole; 121. a first exhaust port; 122. a second vent hole; 21. a suction valve plate body; 22. a suction reed; 211. a first through hole; 213. a second mounting hole; 214. a second vent hole; 221. a first connection end; 222. a first movable end; 2111. a first exhaust hole keeps away from the empty area; 2112. the second exhaust hole avoids the empty area; 31. an exhaust valve plate body; 32. an exhaust reed; 321. a second connection end; 322. a second movable end; 311. a second through hole; 312. a third through hole; 313. a third mounting hole; 314. a third vent hole; 41. an exhaust buffer sheet body; 42. a baffle plate; 411. a fourth via hole; 412. a fifth through hole; 413. a fourth mounting hole; 414. and a fourth vent hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a double-reed suction/exhaust valve assembly, which includes a suction valve plate 2, a valve plate 1, and an exhaust valve plate 3 stacked in sequence from top to bottom, and is characterized in that the valve plate 1 is provided with two suction holes 11 and two exhaust holes 12; the suction valve plate 2 comprises a suction valve plate body 21 and suction tongues 22 arranged on the suction valve plate body 21, the suction tongues 22 cover the suction holes 11, and the number of the suction tongues 22 is equal to that of the suction holes 11; the exhaust valve plate 3 comprises an exhaust valve plate body 31 and exhaust tongues 32 arranged on the exhaust valve plate body, the exhaust tongues 32 cover the exhaust holes 12, and the number of the exhaust tongues 32 is equal to that of the exhaust holes 12.
The double-reed air suction and exhaust valve assembly is installed on a cylinder hole of the compressor, the air suction valve plate 2 is close to the inner side of the cylinder, and the exhaust valve plate 3 is close to the outer side of the cylinder. When the compressor works, the reciprocating motion of the piston causes the pressure difference between the inside and the outside of the cylinder, when the air pressure outside the cylinder is higher than the internal air pressure, the air suction reed 22 is pressed open, the air suction hole 11 is opened, meanwhile, the exhaust reed 32 is in a closed state under the action of the air pressure, and the exhaust hole 12 is closed; when the air pressure inside the cylinder is higher than the external air pressure, the exhaust reed 32 is pressed open, the exhaust hole 12 is opened, and at the same time, the intake reed 22 is in a closed state by the air pressure, and the intake hole 11 is closed.
The number of the suction holes 11 and the number of the suction tongues 22 provided in the suction valve plate body 21, and the number of the discharge holes 12 and the number of the discharge tongues 32 provided in the discharge valve plate body 31 may be variously selected. For example, two or more may be used. The dual reed intake valve assembly of the present invention will be described below by taking two intake holes 11 and two exhaust holes 12, and two intake tongues 22 and two exhaust tongues 32 as examples.
The number of the air suction tongues 22 is two, and the two air suction tongues are the same in shape and size; the number of the exhaust tongues 32 is two, and the two exhaust tongues have the same shape and size. It is required that the suction reed 22 cannot cover the discharge hole 12 and the discharge reed 32 cannot cover the suction hole 11. The air suction reed 22 is of a waist-shaped structure, and the two air suction reeds are adjacently arranged on the air suction valve plate body 21 and have opposite opening directions. The shape and arrangement of the reed can save the area occupied by the air suction reed 22 to the maximum extent, and can also ensure that the air suction reed 22 has a longer arm of force, thereby reducing the opening resistance.
As shown in fig. 3, the valve plate 1 is provided with a first suction hole 111, a second suction hole 112, a first discharge hole 121, and a second discharge hole 122. Optionally, the first suction hole 111, the first exhaust hole 121, the second suction hole 112, and the second exhaust hole 122 are circular holes and are sequentially arranged in the middle of the valve plate 1 clockwise.
As shown in fig. 4a, the suction tongue 22 includes a first connection end 221 and a first movable end 222 far away from the first connection end 221, and optionally, the first connection end 221 is connected to the suction valve plate body 21.
As shown in fig. 4b, the suction valve plate body 21 is provided with a first through hole 211. The first through hole 211 is integrally communicated with the suction hole 11 and the exhaust hole 12 on the valve plate 1, and the first through hole 211 is arranged in the middle of the suction valve plate body 21. In this embodiment, the suction reed 22 is disposed in the first through hole 211, and a first exhaust hole 121 clearance area 2111 and a second exhaust hole clearance area 2112 are reserved, the first exhaust hole clearance area 2111 is communicated with the first exhaust hole 121, and the second exhaust hole clearance area 2112 is communicated with the second exhaust hole 122.
Optionally, there is a gap between the first movable end 222 and the wall of the first through hole 23 to reduce the resistance of the suction reed 22 during the operation of the valve assembly. In consideration of the structural stability of the suction valve plate 2, optionally, the first connection end 221 of the suction tongue 22 is connected to the hole wall of the first through hole 211 of the suction valve plate body 21 and is integrally formed with the suction valve plate body 21.
As shown in fig. 5a, the discharge tongue 32 includes a second connection end 321 and a second movable end 322 far away from the second connection end 321, and the second connection end 321 is connected to the discharge valve plate body 31.
As shown in fig. 5b, the discharge valve plate body 31 is provided with a second through hole 311 and a third through hole 312. The number of the second through holes 311 is the same as the number of the exhaust tongues 32, and in this embodiment, there are two exhaust tongues 32, that is, there are two second through holes 311. The two exhaust tongues 32 are respectively arranged in the two second through holes 311. The third through holes 312 are in the same number as the suction holes 11 in the valve plate 1 and are in one-to-one correspondence communication.
Optionally, there is a gap between the second movable end 322 and the hole wall of the second through hole 311 to reduce the resistance of the exhaust reed 32 during the operation of the valve assembly. In consideration of the structural stability of the discharge valve plate 3, the second connection end 321 of the discharge tongue 32 is connected to the hole wall of the second through hole 311 of the discharge valve plate body 31 and is integrally formed with the discharge valve plate body 31.
In this embodiment, the valve plate 1 is a rectangular valve plate. First mounting hole 13 has still been seted up to valve plate 1, first mounting hole 13 includes four, four first mounting hole 13 set up respectively in four angles of rectangle valve plate 1. The suction valve plate 2 is provided with a second mounting hole 213, the exhaust valve plate 3 is provided with a third mounting hole 313, and the second mounting hole 213 and the third mounting hole 313 are both in the same number and in one-to-one correspondence with the first mounting holes 13. The air suction and exhaust valve assembly further comprises a connecting piece which is arranged in the first mounting hole 13, the second mounting hole 213 and the third mounting hole 313 so as to fix the air suction valve plate 2 and the air exhaust valve plate 3 on the valve plate 1. Optionally, the connecting member is a screw.
Optionally, a center line of the exhaust tongue 32 coincides with a center of the third mounting hole 313 near the second connection end 321 of the exhaust tongue 32. After the valve group assembly is installed, the connecting piece has a pressing effect on the root of the exhaust tongue 32, so that the root can be prevented from being torn when the exhaust tongue 32 is frequently opened.
Optionally, in order to further improve the reliability of the exhaust valve plate 3, as shown in fig. 6a, the dual-reed suction/exhaust valve assembly further includes an exhaust buffer plate 4 disposed on one side of the exhaust valve plate 3 away from the valve plate 1, and the exhaust buffer plate 4 includes an exhaust buffer plate body 41 and a blocking plate 42 disposed on the exhaust buffer plate body 41. The flap 42 is in an open state at an angle to provide a cushioning effect on the opening of the exhaust reed, as shown in fig. 6 c. Optionally, the blocking plate 42 is integrally formed with the air buffer plate body 41. As shown in fig. 6b, the exhaust buffer sheet body 41 is provided with fourth through holes 411 and fifth through holes 412, the fourth through holes 411 correspond to the exhaust reed 32 in position one by one, and are of a size that the exhaust reed 32 can open and pass through, and the fifth through holes 412 are the same in number and are communicated with the exhaust holes 12 of the valve plate 1 in one by one correspondence. The exhaust buffer piece body 41 is further provided with a fourth mounting hole 413, the number of the fourth mounting holes is the same as that of the first mounting holes 13, and the fourth mounting holes correspond to the first mounting holes in position one to one and are used for being connected with the valve plate 1, the suction valve plate 2 and the exhaust valve plate 3.
Optionally, the suction valve plate, the discharge valve plate, and the discharge buffer plate are sequentially provided with a first vent hole 14, a second vent hole 214, a third vent hole 314, and a fourth vent hole 414, and the first vent hole 14, the second vent hole 214, the third vent hole 314, and the fourth vent hole 414 are communicated in a one-to-one correspondence manner. The vent holes are used for discharging gas discharged from the cylinder holes into the exhaust channel, the number of the vent holes can be one or more, and the vent holes need to be arranged in the area between the circular cross section boundary of the cylinder holes and the peripheral boundary of the valve group.
Because the valve plate of the double-reed air suction and exhaust valve component is provided with two air suction holes and two exhaust holes, the valve plate is provided with two air suction tongues and two exhaust tongues. In the same valve plate space, the design that two suction tongues are adjacent and the opening directions are opposite enables the suction tongues to be arranged tightly, the valve plate space is saved to the maximum extent, and meanwhile, a longer force arm and smaller opening resistance are guaranteed. Under the limited condition of valve plate area, such arrangement can furthest's increase suction and exhaust hole's area, improves suction and exhaust efficiency to improve the complete machine efficiency of compressor.
The utility model provides a compressor still provides in addition, the compressor include two reed air suction valve subassembly. The double-reed air suction and exhaust valve component comprises an air suction valve plate 2, a valve plate 1 and an exhaust valve plate 3 which are sequentially stacked from top to bottom, and is characterized in that two air suction holes 11 and two exhaust holes 12 are formed in the valve plate 2; the suction valve plate 2 comprises a suction valve plate body 21 and suction tongues 22 arranged on the suction valve plate body, the suction tongues 22 cover the suction holes 11, and the number of the suction tongues 22 is equal to that of the suction holes 11; the exhaust valve plate 3 comprises an exhaust valve plate body 31 and exhaust tongues 32 arranged on the exhaust valve plate body, the exhaust holes 12 are covered by the exhaust tongues 32, and the number of the exhaust tongues 32 is equal to that of the exhaust holes 12; the air suction reed is of a waist-shaped structure, and the two air suction reeds 22 are adjacently arranged on the air suction valve plate body 21 and have opposite opening directions.
To sum up, the embodiment of the utility model provides a two reed suction and exhaust valve subassembly and compressor, the compressor includes two reed suction and exhaust valve subassemblies. The double-reed air suction and exhaust valve component comprises an air suction valve plate 2, a valve plate 1 and an exhaust valve plate 3, wherein the valve plate is provided with two air suction holes 11 and two exhaust holes 12; the corresponding intake valve plate 2 is provided with two intake tongues 22, and the exhaust valve plate 3 is provided with two exhaust tongues 32; the air suction reed 22 is of a waist-shaped structure, and the two air suction reeds 22 are adjacently arranged on the air suction valve plate body 21 and have opposite opening directions. Under the condition that valve plate 1 space is the same, inhale reed 22 and exhaust reed 31 and be waist shape structure, two adjacent and opening opposite direction's of inhaling reed 22 designs make inhale reed 22 arrange closely, and furthest has reduced the area that inhales reed 22 shared, when having saved the valve plate space, has still guaranteed longer arm of force and less resistance of opening. The design can increase the areas of the air suction hole 11 and the air exhaust hole 12 to the maximum extent under the condition that the area of the valve plate 1 is small and other conditions are the same, so that the air suction and exhaust efficiency is improved, and the overall efficiency of the compressor is improved.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "mounted" are to be construed broadly, e.g., as being fixedly attached, detachably attached, or integrally attached. Either mechanically or electrically. 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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top", "bottom", 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 the products of the present invention are usually placed in when they are used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the components or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
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, substitution, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A double-reed suction and exhaust valve component comprises a suction valve plate, a valve plate and an exhaust valve plate which are sequentially stacked from top to bottom, and is characterized in that the valve plate is provided with two suction holes and two exhaust holes;
the air suction valve plate comprises an air suction valve plate body and air suction tongues arranged on the air suction valve plate body, the air suction tongues cover the air suction holes, and the number of the air suction tongues is equal to that of the air suction holes;
the exhaust valve plate comprises an exhaust valve plate body and exhaust tongues arranged on the exhaust valve plate body, the exhaust tongues cover the exhaust holes, and the number of the exhaust tongues is equal to that of the exhaust holes;
the air suction reed is of a waist-shaped structure, and the two air suction reeds are adjacently arranged on the air suction valve plate body and are opposite in opening direction.
2. The dual reed valve assembly of claim 1, wherein the suction valve plate body and the discharge valve plate body are both provided with through holes, the suction reed is disposed in the through hole of the suction valve plate body, and the discharge reed is disposed in the through hole of the discharge valve plate body.
3. The assembly of claim 2, wherein the intake and exhaust tongues each comprise a connecting end and a movable end far away from the connecting end, the movable end has a gap with the wall of the through hole, and the connecting end is connected to the wall of the through hole and integrally formed with the valve plate body.
4. The dual reed intake and exhaust valve assembly as recited in claim 3, wherein a portion of the intake reed adjacent to the movable end covers the intake aperture; and a part of the exhaust reed close to the movable end covers the exhaust hole.
5. The assembly of claim 4, further comprising a connector, wherein the valve plate, the suction valve plate, and the discharge valve plate are respectively formed with a first mounting hole, a second mounting hole, and a third mounting hole, and the connector fixes the suction valve plate and the discharge valve plate to the valve plate through the first mounting hole, the second mounting hole, and the third mounting hole.
6. The dual reed intake and exhaust valve assembly as recited in claim 5, wherein the exhaust reed centerline coincides with a center of the third mounting hole proximate the exhaust reed connection end.
7. The dual reed intake and exhaust valve assembly as in claim 6, wherein the connector is a screw.
8. The dual reed suction/discharge valve assembly as in claim 1, further comprising a discharge buffer plate disposed on a side of the discharge valve plate remote from the valve plate.
9. A compressor comprising the dual reed suction/discharge valve assembly according to any one of claims 1 to 8.
Priority Applications (1)
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CN201921819362.8U CN211343279U (en) | 2019-10-28 | 2019-10-28 | Double-reed suction and exhaust valve assembly and compressor |
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CN201921819362.8U CN211343279U (en) | 2019-10-28 | 2019-10-28 | Double-reed suction and exhaust valve assembly and compressor |
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CN211343279U true CN211343279U (en) | 2020-08-25 |
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CN201921819362.8U Active CN211343279U (en) | 2019-10-28 | 2019-10-28 | Double-reed suction and exhaust valve assembly and compressor |
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