CN-122014571-A - Suction valve group, compressor and refrigeration equipment

CN122014571ACN 122014571 ACN122014571 ACN 122014571ACN-122014571-A

Abstract

The invention discloses an air suction valve group, a compressor and refrigeration equipment, and relates to the technical field of compressors. The air suction valve group comprises a valve block and a valve body, wherein the valve block is connected with the valve block, two tongues of the valve block are connected into a notch of the body through a fixing section, and a free section of each tongue can cover an air suction hole in the valve body. As the number of the tongue springs is two, the number of the air suction holes is also two, and the air suction quantity is larger compared with that of a single hole scheme. In order to improve the opening degree of the reed, the distance between the two first edge sections is gradually reduced or kept unchanged, the distance between the two second edge sections is gradually reduced or kept unchanged, the distance between the two third edge sections is gradually increased, and the distance between the two fourth edge sections is gradually increased, so that when the free section is tilted under the action of pressure, the free section is eccentrically opened, the opening angle of the free section can be increased to a certain extent, and the air inflow is further improved.

Inventors

Hong jiahua
ZHOU ZHANMIN
ZHANG JIATING
ZHANG HUI
WANG QINGYU

Assignees

安徽美芝制冷设备有限公司

Dates

Publication Date: 20260512
Application Date: 20260408

Claims (13)

1. The valve group of breathing in, its characterized in that includes: the valve body is provided with two air suction holes which are arranged along a first direction; the valve plate is connected to the valve body, the valve plate comprises a body and two tongues, the body is provided with a notch, the two tongues are respectively arranged at the notch and are distributed along the first direction, the tongues comprise a fixed section, a swing arm section and a free section which are sequentially connected, the fixed section is fixedly connected with the inner wall of the notch, and the free section is configured to swing relative to the body and can cover the corresponding air suction hole; The edge of each swing arm section facing to one side of the other swing arm section comprises a first edge section, the first edge section is connected with the edge of the free section, the edge of each swing arm section facing away from one side of the other swing arm section comprises a second edge section, the edge of each fixed section facing to one side of the other fixed section comprises a third edge section, the edge of each fixed section facing away from one side of the other fixed section comprises a fourth edge section, the distance between the two first edge sections is gradually reduced or kept unchanged along a second direction perpendicular to the first direction, the distance between the two second edge sections is gradually reduced or kept unchanged, the distance between the two third edge sections is gradually increased, and the distance between the two fourth edge sections is gradually increased.
2. The valve manifold of claim 1, wherein a distance between the first edge segment and the second edge segment decreases in a direction away from the free segment, or The first edge section gradually approaches the second edge section in a direction away from the free section.
3. The valve block of claim 1, wherein a distance between the third edge section and the fourth edge section gradually increases in a direction away from the swing arm section, or Along the direction of keeping away from swing arm section, the third edge section is kept away from gradually the fourth edge section.
4. The valve block of claim 1, wherein the edge of the free segment comprises an arc edge segment on a projection plane perpendicular to the thickness direction of the valve plate, the center point of the arc edge segment is an O point, a straight line passing through the O point and perpendicular to the first direction is defined as a first reference line L 1 , and one end of the first edge segment facing the free segment and one end of the second edge segment facing the free segment are respectively located on one side of the first reference line L 1 facing away from the other tongue.
5. The valve block of claim 1, wherein the edge of the free segment comprises a circular arc edge segment on a projection plane perpendicular to the thickness direction of the valve plate, the center point of the circular arc edge segment is O point, the center point of the connecting line of two sides at the maximum width of the fixed segment is A point, the connecting line of the O point and the A point is defined as a second reference line L 2 , and the projection outline of the reed intersects with the second reference line L 2 .
6. The valve manifold of claim 1, wherein the first edge segment, the second edge segment, the third edge segment, and the fourth edge segment are each configured as straight edges, the included angle between the second edge segment and the fourth edge segment is θ, and the included angle between the first edge segment and the third edge segment is β, such that θ is less than or equal to β.
7. The valve assembly of claim 6, wherein S is defined as S, S=θ/β, and S is 0.7≤S≤0.86.
8. The valve manifold of claim 6, wherein an included angle θ between the second rim section and the fourth rim section is 95-140, and/or, The included angle beta between the first edge section and the third edge section is 135 degrees or more and 170 degrees or less.
9. The valve manifold of claim 6, wherein the second rim section and the fourth rim section are transitional coupled via a first arcuate section, and/or, The first edge section and the third edge section are in transitional connection through a second arc-shaped section.
10. The valve manifold of claim 1, wherein the edge of the free segment comprises a rounded edge segment, the second edge segment being tangential to the rounded edge segment.
11. The valve manifold of claim 1, wherein two of the tongues are symmetrically disposed about an axis of symmetry, the axis of symmetry being perpendicular to the first direction.
12. Compressor, characterized by comprising a suction valve set according to any one of claims 1 to 11.
13. A refrigeration apparatus comprising the compressor of claim 12.

Description

Suction valve group, compressor and refrigeration equipment Technical Field The invention relates to the technical field of compressors, in particular to an air suction valve group, a compressor and refrigeration equipment. Background The compressor of the refrigerator can adopt a reciprocating compressor, and the air suction efficiency and the air suction quantity of the compressor are generally related to the reed on the air suction valve group. The reed opens the suction port when the compressor sucks and closes the suction port when the compressor discharges, and the too slow closing speed of the suction port can cause part of refrigerant to flow back, thereby reducing the effective suction amount. The compressor has high requirements for the response speed of the reed when running at high frequencies of 72Hz and above. To increase the closing speed of the reed, the amount of backflow is reduced, and the stiffness of the reed is generally increased, for example, by using a wider width, to increase the rebound speed of the reed. By adopting the scheme, the closing speed of the reed is faster, but the opening angle of the reed is reduced, so that the air inflow is reduced, and the energy efficiency of the compressor is difficult to effectively improve. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the air suction valve group which can increase the air inflow while improving the response speed of the reed. The invention also provides a compressor with the air suction valve group and refrigeration equipment. The air suction valve group comprises a valve body, a valve body and a valve body, wherein the valve body is provided with two air suction holes which are arranged along a first direction; the valve plate is connected to the valve body, the valve plate comprises a body and two tongues, the body is provided with a notch, the two tongues are respectively arranged at the notch and are distributed along the first direction, the tongues comprise a fixed section, a swing arm section and a free section which are sequentially connected, the fixed section is fixedly connected with the inner wall of the notch, and the free section is configured to swing relative to the body and can cover the corresponding air suction hole; The edge of each swing arm section facing to one side of the other swing arm section comprises a first edge section, the first edge section is connected with the edge of the free section, the edge of each swing arm section facing away from one side of the other swing arm section comprises a second edge section, the edge of each fixed section facing to one side of the other fixed section comprises a third edge section, the edge of each fixed section facing away from one side of the other fixed section comprises a fourth edge section, the distance between the two first edge sections is gradually reduced or kept unchanged along a second direction perpendicular to the first direction, the distance between the two second edge sections is gradually reduced or kept unchanged, the distance between the two third edge sections is gradually increased, and the distance between the two fourth edge sections is gradually increased. The air suction valve group provided by the embodiment of the invention has at least the following beneficial effects: Through setting up valve body and valve block connection, two reeds of valve block pass through the fixed section and connect in the breach of body, and the free section of reed can cover the suction port on the valve body, therefore the free section opens the suction port when the compressor is inhaled, and the free section closes the suction port when the exhaust. Because the reed is provided with two, and the suction hole is also provided with two, the suction volume is bigger than the scheme of single hole, consequently can improve the resilience speed of reed through the mode that increases reed bulk strength, close the response speed of suction hole faster, and then reduce the reflux volume to improve the energy efficiency of compressor. In order to improve the opening degree of the reed, the distance between the two first edge sections is gradually reduced or kept unchanged, the distance between the two second edge sections is gradually reduced or kept unchanged, the distance between the two third edge sections is gradually increased, and the distance between the two fourth edge sections is gradually increased, so that when the free section is tilted under the action of pressure, the free section is eccentrically opened, the opening angle of the free section can be increased to a certain extent, and the air inflow is further improved. According to some embodiments of the invention, the distance between the first edge segment and the second edge segment gradually decreases in a direction away from the free segment, or The first edge section gradua