Air suction valve plate, exhaust valve group and compressor

Abstract

The air suction valve plate comprises a valve plate body, a reed is arranged on the valve plate body, a gap is formed between the outer side edge of the reed and the valve plate body, the reed comprises a first reed and a second reed, the first reed surrounds the outer side of the second reed, and the second reed surrounds the outer side of the valve plate body. The second reed is provided with a vent hole, and the tail end of the first reed is provided with arc-shaped ventilation grooves which are symmetrically arranged about the central symmetry line of the first reed; through the arrangement of the first reed and the second reed, the support of the reed can be conveniently changed, when different pressures are applied, opening at different degrees can be realized, the opening degree of the first reed and the slapping force can be reduced, the stress distribution can be effectively improved, the airflow can be guided to a certain degree, and the shearing force in the working process can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve piece technical field, concretely speaking especially relates to a suction valve piece, exhaust valve group and compressor. BACKGROUND

[0002] With the continuous improvement of energy saving and emission reduction requirement, as the most core component and energy-consuming large piece of refrigeration system, the compressor puts forward higher requirement to its refrigeration performance and energy efficiency level. As the one-way valve for controlling the compressor to absorb refrigerant, the suction valve piece is the key part of the refrigerator compressor, which directly affects the capacity of the compressor to absorb refrigerant and the overall refrigeration capacity. When the suction valve piece works, the reed needs to vibrate continuously, and different suction pressures will result in different opening degrees of the reed. In the case of large suction pressure, the opening degree of the existing suction valve piece is usually large, which results in large beating force and noise generated during beating, and the corresponding speed is slow, which shortens the service life of the suction valve piece. SUMMARY

[0003] The utility model discloses a suction valve piece, exhaust valve group and compressor to solve the problem put forward in the above background.

[0004] To achieve the above object, the utility model discloses the following technical means:

[0005] Firstly, the utility model discloses a suction valve piece, which comprises a valve piece body, a reed with a gap between the outer side and the valve piece body is arranged on the valve piece body, the reed comprises a first tongue spring and a second tongue spring, the first tongue spring is arranged around the outer side of the second tongue spring, the second tongue spring is provided with a ventilation hole, and the tail end of the first tongue spring is provided with an arc-shaped air-permeable groove which is symmetrically arranged about the center symmetry line of the first tongue spring.

[0006] Further, a plurality of positioning holes are arranged on the valve piece body near the outer edge.

[0007] Further, the valve piece body is in a circular shape structure, an arc-shaped notch is arranged on the outer edge of the valve piece body, and an arc-shaped protrusion is arranged on one side of the arc-shaped notch of the valve piece body.

[0008] Further, the head of the first tongue spring is in a circular arc structure, the middle part of the first tongue spring is in a curved waist structure formed by reducing the width between the two ends to the middle position, and the tail of the first tongue spring is in an expansion structure which gradually extends to both sides from the middle part and is connected with the valve piece body in an integrated manner.

[0009] Further, an arc-shaped flow guide groove is arranged on the outer side of the tail of the first tongue spring and communicates with the gap.

[0010] Further, the second reed is arranged at a middle position of the first reed and is symmetrically arranged with respect to a center symmetry line of the first reed, and a first gap is arranged between the first reed and the second reed, and the first gap is a curved inverted U-shaped structure.

[0011] In a second aspect, the utility model discloses a kind of exhaust valve groups, including

[0012] Valve plate, the valve plate is provided with suction valve port and exhaust valve port;

[0013] Exhaust valve sheet, the exhaust valve sheet is arranged at one side of the valve plate, and the exhaust valve sheet is used to open and close the exhaust valve port;

[0014] Suction valve sheet as in any one of the above, the suction valve sheet is arranged at the other side of the valve plate, and the suction valve is used to open and close the suction valve port.

[0015] In a third aspect, the utility model discloses a kind of compressors, comprising: the suction and exhaust valve assembly described above.

[0016] Compared with prior art, the utility model has the following beneficial effects:

[0017] The utility model discloses a first reed and second reed, which can change the support of reed piece, and when facing different pressures, different degrees of opening can be realized, the opening of the first reed is reduced, and the beating force is reduced, stress distribution can be effectively improved, airflow can be guided to a certain extent, shear force during work is avoided, the reliability of suction valve sheet is improved, the service life of suction valve sheet is improved, and the residual volume of compressor is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is product structure schematic diagram of the utility model embodiment;

[0019] Figure 2 It is product structure schematic diagram of the utility model embodiment;

[0020] Figure 3 It is product structure schematic diagram of the utility model embodiment. DETAILED DESCRIPTION

[0021] The embodiments of the technical scheme of the application will be described in detail below with reference to the drawings. The following embodiments and drawings are only used to more clearly illustrate the technical scheme of the application, and therefore only serve as examples, and cannot limit the protection scope of the application. In the drawings, only the parts related to the technical scheme of the application are schematically shown, and they do not represent the actual structure of the product.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the use of the terms "including," "comprising," or "having" and variations thereof herein is intended to be broad and encompass the terms "consisting of" and "consisting essentially of" and variations thereof. Unless otherwise required by context, singular terms shall include pluralities and vice versa. Unless otherwise required by context, conjugations of the term "comprise" or "comprising" shall include "consisting of" and "consisting essentially of."

[0023] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the technical features indicated. In the description of the embodiments of the present application, the term "a plurality of" refers to two or more (including two), and similarly, "a plurality of groups" refers to two or more groups (including two groups), and "a plurality of pieces" refers to two or more pieces (including two pieces).

[0024] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive or alternative embodiments to one another. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with one another.

[0025] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0026] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0027] The utility model discloses a first aspect, and a kind of suction valve sheet is disclosed in the utility model, comprising valve sheet body 100, spring leaf 200 with gap 300 between outside side and valve sheet body 100 is provided on the valve sheet body 100, the spring leaf 200 includes first tongue spring 210 and second tongue spring 220, the first tongue spring 210 is around the outside of second tongue spring 220, the second tongue spring 220 is equipped with air hole 400, the tail end of the first tongue spring 210 is equipped with arc-shaped air passage 500 that is symmetrically arranged about the center symmetry line of first tongue spring 210, the utility model is provided with first tongue spring 210, second tongue spring 220, and the support of spring leaf 200 can be changed, when facing different pressure, different degree opening can be realized, and by being equipped with air hole 400 on second tongue spring 220, the opening sensitivity of first tongue spring 210 can be improved, the opening of first tongue spring 210 and the degree of beating force are reduced, stress distribution can be effectively improved, and the reliability of suction valve sheet is improved, the service life of suction valve sheet is improved, and the compressor clearance volume is reduced.

[0028] In one or more possible embodiments of the utility model, a plurality of uniformly distributed mounting holes 110 are arranged on the valve sheet body 100 near the outer edge position, which reduces the weight of the valve sheet body 100, facilitates processing, and reduces the installation difficulty of the equipment.

[0029] In one or more possible embodiments of the utility model, the valve sheet body 100 is in a circular shape structure, an arc-shaped notch 130 is arranged on the outer edge of the valve sheet body 100, and an arc-shaped protrusion 140 is arranged on one side of the arc-shaped notch 130, which reduces the weight of the valve sheet body 100, facilitates processing, and reduces the installation difficulty of the equipment.

[0030] In one or more possible embodiments of the utility model, the head of the first tongue spring 210 is in a circular arc structure, the middle part of the first tongue spring 210 is in a curved waist structure formed by reducing the width between the two ends towards the middle position, and the tail of the first tongue spring 210 is in an expansion structure gradually extending to both sides from the middle part and connected to the valve sheet body 100 in one piece, which can improve the boundary support condition of the first tongue spring 210, increase the inherent frequency of the first tongue spring 210, increase the suction amount of the compressor, and improve the cooling capacity and energy efficiency of the compressor.

[0031] In one or more possible embodiments of the utility model, the tail outer side of first tongue spring 210 is provided with arc flow guide notch 211 communicated with gap 300, which can avoid stress gathering at the connection between first tongue spring 210 and valve plate body 100, and in addition, can cooperate with arc air permeation groove 500 to guide airflow to some extent in working, avoid shear force in working, and improve the reliability of the valve plate.

[0032] In one or more possible embodiments of the utility model, second tongue spring 220 is arranged at the middle position of first tongue spring 210 and is symmetrically arranged about the center symmetry line of first tongue spring 210, first gap 221 is arranged between second tongue spring 220 and first tongue spring 210, and first gap 221 is a two-side curved inverted U-shaped structure, which can reduce the mass of first tongue spring 210, improve the natural frequency of first tongue spring 210, improve the response speed of first tongue spring 210, and thus make it easier for spring plate 200 to respond to open, thereby reducing the rebound force of spring plate 200 that needs to be overcome by refrigerant, reducing the input of the compressor, improving the refrigeration efficiency, and improving the overall efficiency.

[0033] In a second aspect, the utility model discloses a kind of exhaust valve groups, comprising

[0034] Valve plate, the valve plate is provided with suction valve port and exhaust valve port;

[0035] Exhaust valve plate, the exhaust valve plate is arranged at one side of the valve plate, and the exhaust valve plate is used to open and close the exhaust valve port;

[0036] The suction valve plate as described in any one of the above, the suction valve plate is arranged at the other side of the valve plate, and the suction valve is used to open and close the suction valve port.

[0037] In a third aspect, the utility model discloses a kind of compressors, comprising: the suction and exhaust valve assembly described above.

[0038] The specific embodiment disclosed in the utility model falls within the protection scope of the utility model claim, is the specific lower-level implementation range of the feature part of the utility model, and the protection content of specific embodiment is only for the description of the protection scope of the utility model claim, and the protection scope of the utility model is not limited to the protection content of specific embodiment, and the protection content of specific embodiment should not be understood as the limitation of the protection scope of the utility model claim.

[0039] The use of "one" and "one / one kind" is used to describe the elements of the utility model, which is only for convenience and to give the general situation of the utility model. Unless otherwise stated, the description should be understood to include one or at least one.

Claims

1. An air suction valve plate, characterized by: The valve piece body (100) is provided with a reed (200) with a gap (300) between the outer side and the valve piece body (100), the reed (200) comprises a first tongue (210) and a second tongue (220), the first tongue (210) surrounds the outer side of the second tongue (220), the second tongue (220) is provided with a vent hole (400), and the tail end of the first tongue (210) is provided with an arc-shaped air permeation groove (500) symmetrically arranged about the center symmetry line of the first tongue (210).

2. A suction valve blade according to claim 1, characterized in that: The valve piece body (100) is provided with a plurality of uniformly distributed mounting holes (110) near the outer edge.

3. The suction valve plate of claim 1 wherein: The valve piece body (100) is in a circular shape, the outer edge of the valve piece body (100) is provided with an arc-shaped notch (130), and the outer edge of the valve piece body (100) is further provided with an arc-shaped protrusion (140) on one side of the arc-shaped notch (130).

4. The suction valve plate of claim 1 wherein: The head of the first tongue (210) is in a circular arc shape, the middle part of the first tongue (210) is in a curved waist shape with the width between the two ends decreasing towards the middle, and the tail of the first tongue (210) is in an expansion structure gradually extending to both sides from the middle part and connected to the valve piece body (100) in an integrated manner.

5. A suction valve blade according to claim 4, characterized in that: The tail of the first tongue (210) is provided with an arc-shaped flow guide notch (211) in communication with the gap (300).

6. The suction valve plate of claim 1 wherein: The tail of the first tongue (210) is provided with an arc-shaped flow guide notch (211) in communication with the gap (300).

7. The suction valve blade of claim 1 wherein: The second tongue (220) is arranged at the middle part of the first tongue (210) and symmetrically arranged about the center symmetry line of the first tongue (210), a first gap (221) is arranged between the second tongue (220) and the first tongue (210), and the first gap (221) is in an inverted U-shaped structure with both sides curved.

8. An exhaust valve train characterized by: The valve piece body (100) is provided with a reed (200) with a gap (300) between the outer side and the valve piece body (100), the reed (200) comprises a first tongue (210) and a second tongue (220), the first tongue (210) surrounds the outer side of the second tongue (220), the second tongue (220) is provided with a vent hole (400), and the tail end of the first tongue (210) is provided with an arc-shaped air permeation groove (500) symmetrically arranged about the center symmetry line of the first tongue (210). The valve piece body (100) is provided with a plurality of uniformly distributed mounting holes (110) near the outer edge. The valve piece body (100) is in a circular shape, the outer edge of the valve piece body (100) is provided with an arc-shaped notch (130), and the outer edge of the valve piece body (100) is further provided with an arc-shaped protrusion (140) on one side of the arc-shaped notch (130). The head of the first tongue (210) is in a circular arc shape, the middle part of the first tongue (210) is in a curved waist shape with the width between the two ends decreasing towards the middle, and the tail of the first tongue (210) is in an expansion structure gradually extending to both sides from the middle part and connected to the valve piece body (100) in an integrated manner.

9. A compressor characterized by: The tail of the first tongue (210) is provided with an arc-shaped flow guide notch (211) in communication with the gap (300). The tail of the first tongue (210) is provided with an arc-shaped flow guide notch (211) in communication with the gap (300). The second tongue (220) is arranged at the middle part of the first tongue (210) and symmetrically arranged about the center symmetry line of the first tongue (210), a first gap (221) is arranged between the second tongue (220) and the first tongue (210), and the first gap (221) is in an inverted U-shaped structure with both sides curved. The valve piece body (100) is provided with a reed (200) with a gap (300) between the outer side and the valve piece body (100), the reed (200) comprises a first tongue (210) and a second tongue (220), the first tongue (210) surrounds the outer side of the second tongue (220), the second tongue (220) is provided with a vent hole (400), and the tail end of the first tongue (210) is provided with an arc-shaped air permeation groove (500) symmetrically arranged about the center symmetry line of the first tongue (210). The valve piece body (100) is provided with a plurality of uniformly distributed mounting holes (110) near the outer edge. The valve piece body (100) is in a circular shape, the outer edge of the valve piece body (100) is provided with an arc-shaped notch (130), and the outer edge of the valve piece body (100) is further provided with an arc-shaped protrusion (140) on one side of the arc-shaped notch (130). The head of the first tongue (210) is in a circular arc shape, the middle part of the first tongue (210) is in a curved waist shape with the width between the two ends decreasing towards the middle, and the tail of the first tongue (210) is in an expansion structure gradually extending to both sides from the middle part and connected to the valve piece body (100) in an integrated manner. The tail of the first tongue (210) is provided with an arc-shaped flow guide notch (211) in communication with the gap (300). The tail of the first tongue (210) is provided with an arc-shaped flow guide notch (211) in communication with the gap (300). The second tongue (220) is arranged at the middle part of the first tongue (210) and symmetrically arranged about the center symmetry line of the first tongue (210), a first gap (221) is arranged between the second tongue (220) and the first tongue (210), and the first gap (221) is in an inverted U-shaped structure with both sides curved.

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