CN210889273U

CN210889273U - Valve bank assembly, compressor and refrigerator

Info

Publication number: CN210889273U
Application number: CN201921692228.6U
Authority: CN
Inventors: 申婷; 严耀宗; 熊克强; 徐敏; 张率华
Original assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Current assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai; Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-06-30
Anticipated expiration: 2029-10-08

Abstract

The application provides a valves subassembly, compressor and refrigerator, including valve plate (2) and with suction valve block (1) that valve plate (2) meet, be provided with two at least induction ports (21) on valve plate (2), suction valve block (1) includes valve block body (14) and sets up last suction valve portion of valve block body (14), suction valve portion includes the different suction valve of two at least rigidity at least, suction valve is used for sealing or opens induction port (21). The embodiment of the utility model provides a valve group subassembly that provides can make the air suction valve adapt to different frequency channels, guarantees the required inspiratory capacity when the compressor operation in different frequency channels, improves the efficiency of compressor.

Description

Valve bank assembly, compressor and refrigerator

Technical Field

The application belongs to the technical field of air conditioning, and particularly relates to a valve bank assembly, a compressor and a refrigerator.

Background

The existing reciprocating compressor is a compressor which periodically changes the volume of a cylinder body through the reciprocating motion of a piston or a diaphragm in a cylinder and realizes the pressurization and the delivery of gas. Belongs to a volume type compressor. The reciprocating members are classified into piston type and diaphragm type compressors. The valve bank assembly is an indispensable part of the compound compressor and is used for controlling air suction and air exhaust of the compound compressor, the rigidity of an air suction valve in the existing valve bank assembly is the same, the applicable frequency band is single, and the requirement of the existing stage compressor on air suction amount during multi-frequency-band operation cannot be met.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem that this application will be solved provides a valves subassembly, compressor and refrigerator, can make the suction valve adapt to different frequency channels, guarantees the required suction capacity of compressor operation in different frequency channels, improves the efficiency of compressor.

In order to solve the above problem, the application provides a valves subassembly, including the valve plate and with the suction valve piece that the valve plate meets, be provided with two at least induction ports on the valve plate, the suction valve piece includes the valve block body and sets up suction valve portion on the valve block body, suction valve portion includes the different suction valve of two at least rigidity, the suction valve with the induction port one-to-one sets up, the suction valve is used for sealing or opening the induction port.

Preferably, the suction valve portion includes first suction valve and second suction valve at least, first suction valve includes first stiff end and first sealed end, the second suction valve includes second suction end and the sealed end of second, first stiff end with the second stiff end sets up on the valve block body, first sealed end with the sealed end of second is used for sealing or opens the suction port, first stiff end arrives the distance of first sealed end is L, the second stiff end arrives the distance of the sealed end of second is L, L and L inequality.

Preferably, the first inhalation valve and the second inhalation valve are of an axisymmetric structure.

Preferably, the symmetry axis of the first inhalation valve is arranged in parallel with the symmetry axis of the second inhalation valve.

Preferably, the valve plate body is provided with a connecting section, the connecting section comprises a connecting end face, the symmetry axis of the first air suction valve and the symmetry axis of the second air suction valve are perpendicular to the connecting end face, and the first fixed end and the second fixed end are connected with the connecting section.

Preferably, the suction valve portion includes a head section, a tail section, and a neck section, the tail section is connected to the valve plate body, the head end is used for sealing the suction port, the neck section is disposed between the tail section and the head section, and the neck section decreases progressively from two ends to a middle section.

Preferably, the suction valve portion further includes a third suction valve symmetrically disposed at both sides of the first suction valve with respect to the second suction valve.

Preferably, a connecting section is arranged on the valve plate body and provided with a connecting end face, the first air suction valve, the second air suction valve and the third air suction valve are connected to the connecting end face, and the length of the first air suction valve on a symmetry axis is larger than the length of the second air suction valve on the symmetry axis and the length of the third air suction valve on the symmetry axis.

Preferably, be provided with at least one exhaust via hole on the suction valve plate, be provided with at least one gas vent on the valve plate, exhaust via hole with the gas vent one-to-one correspondence intercommunication.

Preferably, the vent via is disposed on the neck section.

Preferably, a center point of the exhaust port and a center point of the suction port are located on the same circumference.

Preferably, the valve group assembly comprises a cylinder seat, a cylinder hole is formed in the cylinder seat, the suction ports are communicated with the cylinder hole, the area of the cylinder hole is S1, the total area of the suction ports is S2, the total area of the exhaust ports is S3, the ratio of S1 to S2 is 4-5.5, and/or the ratio of S1 to S3 is 13-16.

The utility model discloses an on the other hand provides a compressor, including foretell valves subassembly.

The utility model discloses an on the other hand provides a refrigerator, including foretell valves subassembly.

Advantageous effects

The embodiment of the utility model provides a valve group subassembly that provides can make the air suction valve adapt to different frequency channels, guarantees the required inspiratory capacity when the compressor operation in different frequency channels, improves the efficiency of compressor.

Drawings

FIG. 1 is a schematic structural diagram of an intake valve sheet according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a valve plate according to an embodiment of the present application;

FIG. 3 is a schematic perspective view of a valve plate according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an exhaust valve plate according to an embodiment of the present application;

FIG. 5 is a first exploded view of an embodiment of the present application;

FIG. 6 is a second exploded view of an embodiment of the present application;

the reference numerals are represented as:

1. an air suction valve plate; 11. a first air intake valve; 12. a second suction valve; 13. a third suction valve; 14. a valve plate body; 141. a connecting section; 1411. connecting the end faces; 15. an exhaust via; 2. a valve plate; 21. an air suction port; 22. an exhaust port; 3. a cylinder block; 31. a cylinder block air hole; 4. an exhaust valve plate; 41. an exhaust valve; 5. suction valve gasket.

Detailed Description

Referring to fig. 1 to 6 in combination, according to an embodiment of the present application, a valve assembly includes a valve plate 2 and a suction valve sheet 1 connected to the valve plate 2, at least two suction ports 21 are disposed on the valve plate 2, the suction valve sheet 1 includes a sheet body 14 and a suction valve portion disposed on the sheet body 14, the suction valve portion includes at least two suction valves with different rigidity, the suction valves are disposed in one-to-one correspondence with the suction ports 21, and the suction valves are used for closing or opening the suction ports 21. Through setting up two suction valves that rigidity is different, when the compressor operation, open the different suction valves of quantity in the different operating frequency, for example when the low frequency operation, open the less suction valve of rigidity, when the high frequency operation, open two suction valves simultaneously, can make the suction valve adapt to different frequency channels, guarantee the required suction capacity of compressor operation in different frequency channels, improve the efficiency of compressor.

Specifically, the suction valve portion includes first suction valve 11 and second suction valve 12 at least, first suction valve 11 includes first stiff end and first sealed end, second suction valve 12 includes second suction end and the sealed end of second, first stiff end and second stiff end set up on valve block body 14, first sealed end and the sealed end of second are used for sealed or open suction port 21, the distance of first stiff end to first sealed end is L1, the distance of second stiff end to the sealed end of second is L2, L1 and L2 are not equal.

The first air suction valve 11 and the second air suction valve 12 are in an axisymmetric structure, so that the first air suction valve 11 and the second air suction valve 12 can be opened more timely and are stressed uniformly, the air flow noise of the compressor is effectively improved, and the reliable operation of the air valves is ensured.

Further, as shown in fig. 1, the first inhalation valve 11 and the second inhalation valve 12 are of a bilaterally symmetrical structure.

Furthermore, the maximum width of the first sealing end is greater than that of the first fixing end, the maximum width of the second sealing end is greater than that of the second fixing end, so that the first air suction valve 11 and the second air suction valve 12 have high rigidity, opening and closing can be timely performed, the backflow phenomenon caused by delayed closing is reduced, the fluid resistance loss of the compressor is reduced, the air suction volume of the compressor is improved, and the volumetric efficiency of the compressor is increased.

The symmetry axis of first inhalation valve 11 and the symmetry axis parallel arrangement of second inhalation valve 12 enable the blind end setting of second inhalation valve 12 in one side in first inhalation valve 11 middle part, because first inhalation valve 11 and second inhalation valve 12 descend progressively from the widest department of blind end to the stiff end cross-section, so second inhalation valve 12 sets up the spatial layout that can utilize valve block body 14 more furthest in one side in first inhalation valve 11 middle part, and then can increase induction port 21 area, be favorable to increasing the inspiratory capacity of compressor, and then increase the efficiency of compressor.

The connecting section 141 is arranged on the valve plate body 14, the connecting section 141 comprises a connecting end surface 1411, the symmetry axis of the first air suction valve 11 and the symmetry axis of the second air suction valve 12 are perpendicular to the connecting end surface 1411, the first fixed end and the second fixed end are connected with the connecting section 141, the first fixed end and the second fixed end are connected to the connecting end surface 1411 at the same time, air suction ports 21 can be arranged in a staggered mode due to the fact that the first air suction valve 11 and the second air suction valve 12 are different in length, and the spatial layout of the valve plate body 14 is utilized to the maximum extent.

The suction valve portion comprises a head section, a tail section and a necking section, the tail section is connected with the valve plate body 14, the head end is used for sealing the suction port 21, the necking section is arranged between the tail section and the head section, and the necking section is gradually reduced from two ends to the middle section. The width of the necking section is reduced, so that the suction volume of the suction valve in the suction valve part when the suction valve is opened is increased, stress concentration at the tail section can be avoided, the valve block is prevented from being broken, and the reliability of the valve block is improved.

The suction valve part further comprises a third suction valve 13, the third suction valve 13 and the second suction valve 12 are symmetrically arranged on two sides of the first suction valve 11, and the suction amount of the compressor during operation is ensured by arranging the third suction valve 13.

Further, the first inhalation valve 11, the second inhalation valve 12 and the third inhalation valve 13 are connected to the connection end face, and the length of the first inhalation valve 11 on the symmetry axis is larger than the length of the second inhalation valve 12 on the symmetry axis thereof and the length of the third inhalation valve 13 on the symmetry axis thereof. When the compressor operates at a low frequency, the first air suction valve 11 sucks air, and when the compressor operates at a high frequency, the first air suction valve 11, the second air suction valve 12 and the third air suction valve 13 can be simultaneously opened, so that the air suction amount of the compressor during the high-frequency operation is ensured.

Furthermore, the first air suction valve 11, the second air suction valve 12 and the third air suction valve 13 have high rigidity, and when the air suction valve works under the working condition of high exhaust pressure, the stress concentration of the fixed end is reduced, the valve plate is prevented from being broken, and the reliability of the valve plate is improved.

The suction valve plate 1 is provided with at least one exhaust through hole 15, the valve plate 2 is provided with at least one exhaust port 22, the exhaust through holes 15 are communicated with the exhaust ports 22 in a one-to-one correspondence mode, and refrigerants can be discharged from the exhaust through holes 15 and the exhaust ports 22.

Further, in this embodiment, the quantity of exhaust via hole 15 and gas vent 22 is three, and gas vent 22 and induction port 21 are circular, guarantee to breathe in smoothly for it is more even to breathe in-process suction valve block 1 atress, avoids valve plate 2 to take place the deformation phenomenon, is favorable to improving the efficiency of breathing in, reduces the resistance of breathing in, improves effective inspiratory capacity.

Furthermore, the circle centers of the three air suction ports 21 and the three air exhaust ports 22 are located on the same circle, so that the space utilization rate of the valve plate 2 is improved.

The exhaust through hole 15 is formed in the neck section, so that the air suction amount of the air suction valve during opening is further improved, stress concentration at the tail section can be avoided, the valve block is prevented from being broken, and the reliability of the valve block is improved.

Further, the exhaust through hole 15 is arranged on the necking section, so that the air suction port 21 and the exhaust through hole 15 are separately arranged, mutual interference in the air suction and exhaust processes is avoided, and the air suction and exhaust efficiency is improved.

The valve group assembly comprises a cylinder seat 3, a cylinder hole 31 is formed in the cylinder seat 3, an air suction port 21 is communicated with the cylinder hole 31, the area of the cylinder hole 31 is S1, the total area of the air suction port 21 is S2, the total area of an exhaust port 22 is S3, the ratio of S1 to S2 is 4-5.5 and/or the ratio of S1 to S3 is 13-16, the size and space of the existing cylinder hole can be utilized to the maximum extent, the areas of the air suction port and the exhaust port are increased, and the air suction and exhaust flow rate is increased.

Further, the valve block assembly further comprises an exhaust valve plate 4, exhaust valves 41 are arranged on the exhaust valve plate 4, the number of the exhaust valves 41 is equal to that of the exhaust ports 22, and the exhaust valves 41 are used for closing or opening the exhaust ports 22.

Specifically, in the present embodiment, the number of the exhaust valves 41 is three, and as shown in fig. 4, one of the three exhaust valves 41 is vertically disposed, and the other two exhaust valves are symmetrically disposed on two sides of the vertically disposed exhaust valve 41.

Further, the valves group subassembly still includes the suction valve gasket 5, and suction valve gasket 5 pastes in the setting of cylinder block 3, has the air vent on the suction valve gasket 5, and the air vent communicates with each other with the gas pocket of cylinder block 3, and suction valve block 1 sets up in the one side that cylinder block 3 was kept away from to suction valve gasket 5, and valve plate 2 is located one side that cylinder block 3 was kept away from to suction valve block 1, and exhaust valve block 4 is located one side that cylinder block 3 was kept away from to valve plate 2. The cylinder seat 3, the air suction valve gasket 5, the air suction valve plate 1, the valve plate 2 and the exhaust valve plate 4 are fixedly connected through bolts.

In another aspect of the present embodiment, a compressor is provided, which includes the valve assembly described above.

In another aspect of the present embodiment, a refrigerator is provided, which includes the above valve bank assembly.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. The utility model provides a valves subassembly, its characterized in that, including valve plate (2) and with suction valve block (1) that valve plate (2) meet, be provided with two at least induction ports (21) on valve plate (2), suction valve block (1) includes valve block body (14) and sets up the valve portion of breathing in on valve block body (14), the valve portion of breathing in includes two at least different suction valves of rigidity, the suction valve with induction port (21) one-to-one sets up, the suction valve is used for sealing or opening induction port (21).

2. Valve block assembly according to claim 1, wherein the suction valve part comprises at least a first suction valve (11) and a second suction valve (12), the first suction valve (11) comprising a first fixing end and a first sealing end, the second suction valve (12) comprising a second fixing end and a second sealing end, the first fixing end and the second fixing end being arranged on the valve plate body (14), the first sealing end and the second sealing end being adapted to seal or open the suction port (21), the first fixing end being at a distance L1 from the first sealing end, the second fixing end being at a distance L2 from the second sealing end, L1 being unequal to L2.

3. Valve group assembly according to claim 2, characterized in that the first suction valve (11) and the second suction valve (12) are of axisymmetric configuration.

4. Valve group assembly according to claim 3, characterized in that the symmetry axis of the first suction valve (11) is arranged parallel to the symmetry axis of the second suction valve (12).

5. The valve group assembly according to claim 4, wherein a connecting section (141) is arranged on the valve plate body (14), the connecting section (141) comprises a connecting end surface (1411), a symmetry axis of the first air suction valve (11) and a symmetry axis of the second air suction valve (12) are arranged perpendicular to the connecting end surface (1411), and the first fixing end and the second fixing end are connected with the connecting section (141).

6. Valve block assembly according to claim 1, wherein the suction valve portion comprises a head section, a tail section and a neck section, the tail section being connected to the valve plate body (14), the head section being adapted to seal the suction opening (21), the neck section being arranged between the tail section and the head section, the neck section decreasing in cross-section from both ends towards the middle.

7. Valve group assembly according to claim 3, characterized in that the suction valve section further comprises a third suction valve (13), the third suction valve (13) being arranged symmetrically to the second suction valve (12) on both sides of the first suction valve (11).

8. Valve group assembly according to claim 7, characterized in that a connection section (141) is provided on the valve plate body (14), having a connection end face to which the first suction valve (11), the second suction valve (12) and the third suction valve (13) are connected, the length of the first suction valve (11) on the symmetry axis being greater than the length of the second suction valve (12) on its own symmetry axis and the length of the third suction valve (13) on its own symmetry axis.

9. The valve group assembly according to claim 6, wherein the suction valve plate (1) is provided with at least one exhaust through hole (15), the valve plate (2) is provided with at least one exhaust port (22), and the exhaust through holes (15) are communicated with the exhaust ports (22) in a one-to-one correspondence manner.

10. Valve group assembly according to claim 9, characterized in that the centre point of the exhaust opening (22) and the centre point of the suction opening (21) are located on the same circumference.

11. Valve group assembly according to claim 9, characterized in that it comprises a cylinder block (3), on which cylinder block (3) a cylinder bore (31) is provided, the suction port (21) communicating with the cylinder bore (31), the area of the cylinder bore (31) being S1, the total area of the suction ports (21) being S2, the total area of the exhaust ports (22) being S3, the ratio of S1 to S2 being 4-5.5 and/or the ratio of S1 to S3 being 13-16.

12. A compressor comprising a valve manifold assembly according to any one of claims 1-11.

13. A refrigerator comprising the valve block assembly according to any one of claims 1 to 11.