CN213451826U - Suction valve plate, valve group, compressor and refrigeration equipment - Google Patents

Abstract

The application provides a suction valve piece, valves, compressor and refrigeration plant. The suction valve plate includes: the valve plate body is provided with a valve tongue notch; and the air suction valve tongue is arranged at the gap of the valve tongue, the air suction valve tongue comprises a fixed end and a free end, the fixed end is connected with the valve block body, the valve block body is also provided with a strip-shaped sealing groove, the sealing groove is arranged between the free end and the edge of the valve block body, and the middle part of the sealing groove is bent towards the direction far away from the air suction valve tongue. The application provides a suction valve piece has set up the seal groove on the valve block body, and the seal groove can increase the frictional force between valve plate gasket and the suction valve piece, subducts the outer ductility deformation or the tearing that the horizontal shear force that the valve plate gasket arouses because of the high pressure leads to reduce the valve plate gasket and take place to warp or the torn risk, and then improve the seal strength of valve plate gasket, effectively improve the operational reliability of compressor.

Description

Suction valve plate, valve group, compressor and refrigeration equipment

Technical Field

The application relates to the technical field of compressors, in particular to a suction valve plate, a valve group, a compressor and a refrigerating device.

Background

The operation condition of the compressor is complex and changeable, and the compressor not only operates under the specified operation condition. When the operating condition of the compressor exceeds the specified condition, the operating condition inside the compressor is worse, and the air suction and exhaust pressure is higher, so that the valve plate gasket of the compressor is possibly deformed or torn, the air suction and exhaust leakage is caused, and the compressor fails.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, an object of the present application is to provide a suction valve sheet.

Another object of the present application is to provide a valve assembly comprising the above suction valve plate.

It is a further object of the present application to provide a compressor comprising the above valve group.

It is a further object of the present application to provide a refrigeration appliance comprising the above compressor.

In order to achieve the above object, according to an embodiment of the first aspect of the present application, there is provided a suction valve sheet including: the valve plate body is provided with a valve tongue notch; and the air suction valve tongue is arranged at the gap of the valve tongue, the air suction valve tongue comprises a fixed end and a free end, the fixed end is connected with the valve block body, the valve block body is also provided with a strip-shaped sealing groove, the sealing groove is arranged between the free end and the edge of the valve block body, and the middle part of the sealing groove is bent towards the direction far away from the air suction valve tongue.

The embodiment of this application first aspect has provided the suction valve piece, has add the seal groove on the valve block body, and the seal groove can increase the frictional force between valve plate gasket and the suction valve piece, subducts the extensional deformation or the tearing that the horizontal shear force that the valve plate gasket arouses because of the high pressure leads to reduce the valve plate gasket and take place to warp or the torn risk, and then improve the seal strength of valve plate gasket, effectively improve the operational reliability of compressor.

Specifically, the suction valve plate comprises a valve plate body and a suction valve tongue. The air suction valve tongue is arranged at the position of the valve tongue notch of the valve plate body, and the fixed end of the air suction valve tongue is connected with the valve plate body, so that the air suction valve tongue is ensured to form a whole. The free end of the suction valve tongue can move relative to the valve plate body, and when the free end moves to the position of the suction valve port of the sealing cover valve plate, the suction valve plate closes the suction valve port; when the free end moves to the position of opening the air suction valve port of the valve plate, the air suction valve plate opens the air suction valve port.

After the compressor is assembled, the suction valve plate is positioned between the valve plate and the valve plate gasket and connected with the valve plate and the valve plate gasket. In the compressor operation process, the valve plate gasket receives the extrusion can be locally embedded into the seal groove of valve block body in to increase the frictional force between valve plate gasket and the suction valve block, offset the horizontal shear stress that too big suction and exhaust pressure produced the valve plate gasket under abominable operating mode, and then reduce the valve plate gasket and outwards warp or the tearing trend, reduce the clearance of revealing between suction valve block and the valve plate gasket, reach the effect that promotes valve plate gasket seal strength, the operational reliability of reinforcing compressor under the abominable operating mode of high pressure. Meanwhile, the valve plate gasket is partially embedded into the sealing groove, so that the sealing effect on the sealing groove can be achieved, the air suction valve plate can be fixed and strengthened, and the risk that the air suction valve plate breaks away from an air suction valve port and loses efficacy due to the fact that the air suction valve plate is displaced due to vibration in the using process is reduced. Thus, the reliability of the suction and exhaust of the compressor is improved, and the operational reliability of the compressor is improved.

Further, since the free end of the suction valve tongue frequently moves, the friction force between the suction valve plate and the valve plate gasket near the position is small, and the valve plate gasket is easily deformed or torn near the position. Therefore, the sealing groove is formed between the free end of the air suction valve plate and the edge of the valve plate body, so that the friction force between the valve plate body and the valve plate gasket near the free end is increased, and the risk of deformation or tearing of the valve plate gasket is reduced. Meanwhile, the sealing groove is strip-shaped, so that the processing is convenient, the area of the air suction valve plate embedded into the sealing groove is increased, and the friction force between the air suction valve plate and the valve plate gasket is further increased.

In addition, the free end of the suction valve tongue is generally arc-shaped, and the middle part of the free end is bent towards the direction close to the edge of the valve plate body. When the middle part of the sealing groove is bent towards the direction far away from the air suction valve tongue, the bending direction of the sealing groove is consistent with the bending direction of the free end of the air suction valve plate. The distance between the sealing groove and the free end of the air suction valve plate is relatively uniform, so that the part of the valve plate body, which is positioned between the sealing groove and the valve tongue notch, is stressed evenly. Compared with the scheme of reversely bending the sealing groove, the scheme can prevent the part (the part of the valve block body between the sealing groove and the valve tongue notch) from being deformed or torn due to local over-narrowing, thereby further improving the strength and the use reliability of the air suction valve block and further improving the use reliability of the compressor under severe working conditions.

Moreover, the sealing groove is designed into a bent strip-shaped structure, and compared with a linear strip-shaped structure, the force along the length direction of the sealing groove can be converted into the force along the width direction of the sealing groove when the air suction valve plate is subjected to bending moment, so that the air suction valve plate has better strength, and the air suction valve plate is prevented from being bent and deformed.

In addition, the suction valve plate in the above technical scheme that this application provided can also have following additional technical features:

according to an embodiment of the application, this seal groove is mirror symmetry structure, and the distance between the length direction's of this seal groove both ends and the symmetry plane of this seal groove of this valve block body equals.

In this embodiment, the seal groove is mirror symmetry structure, and the structure is comparatively regular, the machine-shaping of being convenient for to reduce the processing degree of difficulty of suction valve piece, be favorable to reduction in production cost. Because the suction valve block is generally square, the two ends of the valve block body along the length direction of the sealing groove can be recorded as the left end and the right end, and the two ends of the valve block body along the width direction of the sealing groove are the upper end and the lower end. So, in this embodiment, the distance between the symmetry plane of both ends and seal groove equals about the valve block body, and then the seal groove is located the intermediate position of the left and right directions of valve block body. In other words, the sealing grooves are bilaterally symmetrical about the center line of the left and right directions of the valve plate body, so that the structure of the air suction valve plate is more regular, the air suction valve plate is convenient to machine and form, and the air suction valve plate and the valve plate gasket are more balanced in stress along the left and right directions, so that the risk of deformation of the valve plate gasket and the air suction valve plate is further reduced, and the use reliability of the air suction valve plate and the valve plate gasket is further improved.

According to an embodiment of the application, the distance between two ends of the valve plate body along the length direction of the sealing groove is recorded as the length of the valve plate body; the linear distance between the two ends of the sealing groove in the length direction is smaller than half of the length of the valve plate body.

In this embodiment, the distance between the two ends of the valve plate body in the length direction of the sealing groove is recorded as the length of the valve plate body, and the linear distance between the two ends in the length direction of the sealing groove (i.e., the left and right ends of the sealing groove) is limited to be less than half of the length of the valve plate body, so that on one hand, the phenomenon that the strength of the valve plate body is reduced too much due to the overlong sealing groove can be avoided, and thus, the risks of deformation, displacement, tearing and the like of the valve plate body are reduced, and the use reliability of the air; on the other hand, the distance between the sealing groove and the mounting hole at the edge of the valve plate body is far, so that the mounting hole can be prevented from being torn and deformed, the connection reliability of the air suction valve plate, the valve plate and the valve plate gasket is improved, and air leakage at the mounting hole is prevented.

According to an embodiment of the present application, the sealing groove has a circular arc-shaped strip structure.

In this embodiment, the sealing groove has an arc-shaped strip structure, that is: the seal groove extends along the arc direction, so that the shape of the seal groove is more regular, and the processing and forming are more convenient. Meanwhile, the arc-shaped sealing groove can convert the force in the length direction into the force in the radial direction when the air suction valve plate is subjected to bending moment, so that the air suction valve plate has better strength.

According to an embodiment of the present application, a linear distance between both ends of the sealing groove in a length direction is in a range of 12.8mm to 19.2 mm; and/or the width of the sealing slot is in the range of 0.48mm to 0.72 mm.

In this embodiment, the linear distance between two ends (i.e. the left and right ends of the sealing groove) in the length direction of the sealing groove is limited within the range of 12.8mm to 19.2mm, such as 12.8mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19.2mm, and the like, so that the limitation of the lifting effect on the friction force between the suction valve plate and the valve plate gasket caused by the excessively short sealing groove is avoided, and the excessive reduction of the strength of the suction valve plate caused by the excessively long sealing groove is also avoided.

The width of the sealing groove (namely the distance between the inner edge and the outer edge of the sealing groove) is limited within the range of 0.48mm to 0.72mm, such as 0.48mm, 0.5mm, 0.6mm, 0.7mm, 0.72mm and the like, so that the limited lifting effect of the friction force between the suction valve plate and the valve plate gasket caused by the excessively narrow sealing groove is avoided, and the excessive reduction of the strength of the suction valve plate caused by the excessively wide sealing groove is also avoided.

According to an embodiment of the application, a center line of the seal groove is taken as a first center line, a center line of the valve plate body in the width direction of the seal groove is taken as a second center line, a distance between the first center line and an inner edge of the seal groove is equal to a distance between the first center line and an outer edge of the seal groove, and distances between two ends of the valve plate body in the width direction of the seal groove and the second center line are equal; wherein the radius of the first centerline is in the range of 17.84mm to 26.76 mm; and/or the circle center of the first center line and the first center line are separated at two sides of the second center line, and the distance between the circle center of the first center line and the second center line is in the range of 4mm to 6 mm.

In this embodiment, the centerline of the seal slot refers to: the virtual reference line is positioned between the inner edge of the sealing groove (namely, the edge of the sealing groove close to the suction valve tongue) and the outer edge of the sealing groove (namely, the edge of the sealing groove far away from the suction valve tongue), and the distance between the virtual reference line and the inner edge and the outer edge of the sealing groove is equal, and the virtual reference line is arc-shaped because the sealing groove is arc-shaped. The center line of valve block body along the width direction of seal groove indicates: the valve plate body is provided with a virtual reference line which is positioned between the upper end and the lower end of the valve plate body and has the same distance with the upper end and the lower end of the valve plate body. For the convenience of distinguishing, the center line of the sealing groove is taken as a first center line, and the center line of the valve plate body in the width direction of the sealing groove is taken as a second center line.

The radius of the first center line is limited in the range from 17.84mm to 26.76mm, such as 17.84mm, 20mm, 22.3mm, 25mm and 26.76mm, so that the problem that the lifting effect of the friction force between the suction valve plate and the valve plate gasket is limited due to the fact that the sealing groove is too short due to too small radius of the first center line is avoided, and the problem that the bending degree of the sealing groove is too small due to too long radius of the first center line so that the suction valve plate is not beneficial to preventing bending deformation is avoided.

The circle center of the first center line and the first center line are arranged on two sides of the second center line, the fixed end of the suction valve tongue is arranged below, and the free end of the suction valve tongue is arranged above, so that the circle center of the first center line is positioned on the lower side of the second center line, and the sealing groove is positioned on the upper side of the second center line. The distance between the circle center of the first central line and the second central line is limited in the range from 4mm to 6mm, so that the length and the bending degree of the sealing groove are reasonable, the sealing groove is guaranteed to have proper length, the sealing groove is guaranteed to have proper bending degree, and the air suction valve plate is guaranteed to have high strength and high deformation resistance.

According to an embodiment of the application, this valve block body is equipped with first sign groove along the one end of the width direction of this seal groove, and this valve block body is equipped with the second sign groove along the other end of the width direction of this seal groove, and this first sign groove is established in the one end that corresponds with this free end, and this second sign groove is established in the one end corresponding with this stiff end.

In this embodiment, the two ends of the valve plate body in the width direction of the sealing groove are the upper end and the lower end, the free end of the suction valve tongue is on the upper side, and the fixed end of the suction valve tongue is on the lower side. The first identification groove and the second identification groove can play a role in identification, and the positions of the free end and the fixed end of the air suction valve tongue are determined through the positions of the first identification groove and the second identification groove, so that the air suction valve plate can be conveniently obtained by punching the complete valve plate raw material.

According to an embodiment of the present application, the first identification groove is disposed corresponding to a middle portion of the sealing groove.

The first identification groove is arranged corresponding to the middle of the sealing groove, so that the first identification groove can also identify the position of the sealing groove, the position of the sealing groove can be conveniently and rapidly determined, and the processing speed of the air suction valve plate is increased.

In the embodiment of the application, further, the valve plate body is provided with a mounting hole and an exhaust hole, and the exhaust hole is formed in the waist of the suction valve tongue. The mounting hole is formed in the corner of the valve plate body and used for fixedly connecting the air suction valve plate with the valve plate and the valve plate gasket through the threaded fastener.

According to an embodiment of the second aspect of the present application, there is provided a valve group comprising: a valve plate provided with a suction valve port; a valve plate gasket arranged in a stacked manner with the valve plate; the suction valve plate according to any of the embodiments of the first aspect, wherein the suction valve plate is located between and connected to the valve plate and the valve plate gasket, and is used for opening or closing the suction valve port.

The valve block provided by the embodiment of the second aspect of the present application includes the suction valve plate of any one of the embodiments of the first aspect, so that all the advantages of any one of the embodiments are achieved, and the description is omitted here.

According to an embodiment of the third aspect of the present application, there is provided a compressor including: a cylinder; and a valve block as in the embodiment of the second aspect, the valve block being connected to the cylinder.

The compressor provided by the embodiment of the third aspect of the present application includes any one of the valve banks of the embodiments of the second aspect, so that all the advantages of any one of the embodiments described above are achieved, and details are not repeated herein.

According to an embodiment of a fourth aspect of the present application, there is provided a refrigeration apparatus including: a housing; and a compressor as in the third aspect of the embodiment, the compressor being provided in the housing.

The refrigeration equipment provided by the embodiment of the fourth aspect of the present application includes the compressor provided by the embodiment of the third aspect, so that all the advantages of any of the above embodiments are achieved, and details are not repeated herein.

According to one embodiment of the present application, the refrigeration device may be, but is not limited to, a refrigerator, an ice chest, an air conditioner, and the like.

Additional aspects and advantages of the present application will be set forth in part in the description which follows, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

FIG. 2 is an exploded schematic view of a valve manifold provided in accordance with an embodiment of the present application;

FIG. 3 is a schematic block diagram of a compressor provided in accordance with an embodiment of the present application;

FIG. 4 is a schematic block diagram of a refrigeration appliance provided in accordance with an embodiment of the present application.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

1. a valve plate body; 11. a valve tongue notch; 12. a sealing groove; 121. a first centerline; 122. a plane of symmetry; 13. an exhaust hole; 14. mounting holes; 15. a first identification slot; 16. a second identification slot; 17. a second centerline; 2. an intake valve flap; 21. a fixed end; 22. a free end; 100. an air suction valve plate; 200. a valve block; 202. a valve plate; 204. a valve plate gasket; 300. a compressor; 302. a cylinder; 400. a refrigeration device; 402. a housing.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

The suction valve sheet, the valve block, the compressor and the refrigeration apparatus according to some embodiments of the present application will be described with reference to fig. 1 to 4.

As shown in fig. 1, an embodiment of the first aspect of the present application provides a suction valve plate 100, including: the valve plate comprises a valve plate body 1 and an air suction valve tongue 2.

Specifically, the valve plate body 1 is provided with a valve tongue notch 11. The suction flap 2 is arranged in the flap recess 11. The suction flap 2 comprises a fixed end 21 and a free end 22. The fixed end 21 is connected with the valve plate body 1.

The valve plate body 1 is further provided with a strip-shaped sealing groove 12, as shown in fig. 1. The sealing groove 12 is disposed between the free end 22 and the edge of the valve plate body 1, and the middle of the sealing groove 12 is bent away from the suction valve tongue 2.

The embodiment of the first aspect of the present application provides an air suction valve plate 100, has add seal groove 12 on valve plate body 1, and seal groove 12 can increase the frictional force between valve plate gasket 204 and air suction valve plate 100, subducts the extensile deformation or tearing that the horizontal shear force that valve plate gasket 204 arouses because of the high pressure leads to reduce valve plate gasket 204 and take place to warp or the torn risk, and then improve valve plate gasket 204's seal strength, effectively improve compressor 300's operational reliability.

Specifically, the suction valve sheet 100 includes a sheet body 1 and a suction valve tongue 2. The suction valve tongue 2 is arranged at the valve tongue notch 11 of the valve plate body 1, and the fixed end 21 of the suction valve tongue 2 is connected with the valve plate body 1, so that the suction valve tongue 2 is ensured to form a whole. The free end 22 of the suction valve tongue 2 can move relative to the valve plate body 1, and when the free end 22 moves to the position of the suction valve port of the cover valve plate 202, the suction valve plate 100 closes the suction valve port; when the free end 22 moves to a position to open the suction valve port of the valve plate 202, the suction valve sheet 100 opens the suction valve port.

After the compressor 300 is assembled, the suction valve plate 100 is located between the valve plate 202 and the valve plate gasket 204, and is connected to the valve plate 202 and the valve plate gasket 204. In the operation process of the compressor 300, the valve plate gasket 204 is extruded and can be partially embedded into the sealing groove 12 of the valve plate body 1, so that the friction force between the valve plate gasket 204 and the suction valve plate 100 is increased, the horizontal shear stress generated by the overlarge suction and exhaust pressure on the valve plate gasket 204 under the severe working condition is counteracted, the tendency of outward deformation or tearing of the valve plate gasket 204 is further reduced, the leakage gap between the suction valve plate 100 and the valve plate gasket 204 is reduced, the effect of improving the sealing strength of the valve plate gasket 204 is achieved, and the operation reliability of the compressor 300 under the high-pressure severe working condition is enhanced.

Meanwhile, the valve plate gasket 204 is partially embedded into the sealing groove 12, so that the sealing effect on the sealing groove 12 can be achieved, the fixing and reinforcing effects on the suction valve plate 100 can also be achieved, and the risk that the suction valve plate 100 breaks away from a suction valve port and fails due to displacement caused by vibration in the using process of the suction valve plate 100 is reduced. In this way, the reliability of the suction and discharge of the compressor 300 is improved, and the operational reliability of the compressor 300 is improved.

Further, since the free end 22 of the suction valve tongue 2 is frequently moved, the friction force between the suction valve plate 100 and the valve plate gasket 204 near the position is small, and the valve plate gasket 204 is easily deformed or torn near the position. Therefore, the sealing groove 12 is formed between the free end 22 of the suction valve plate 100 and the edge of the valve plate body 1, which is beneficial to increase the friction force between the valve plate body 1 and the valve plate gasket 204 near the free end 22, thereby reducing the risk of deformation or tearing of the valve plate gasket 204. Meanwhile, the sealing groove 12 is strip-shaped, which is convenient for processing, and is beneficial to increasing the area of the suction valve plate 100 embedded in the sealing groove 12, thereby further increasing the friction force between the suction valve plate 100 and the valve plate gasket 204.

In addition, the free end 22 of the suction flap 2 is generally circular arc-shaped, and the middle of the free end 22 is bent toward the edge of the valve plate body 1. When the middle portion of the sealing groove 12 is bent in a direction away from the suction valve tongue 2, the bending direction of the sealing groove 12 coincides with the bending direction of the free end 22 of the suction valve sheet 100. This makes the distance between the sealing groove 12 and the free end 22 of the suction valve plate 100 relatively uniform, thereby facilitating the force balance at the position of the valve plate body 1 between the sealing groove 12 and the valve tongue notch 11. Compared with the scheme of reversely bending the sealing groove 12, the scheme can prevent the part (the part of the valve plate body 1 between the sealing groove 12 and the valve tongue notch 11) from being deformed or torn due to local over-narrowing, thereby further improving the strength and the use reliability of the air suction valve plate 100 and further improving the use reliability of the compressor 300 under severe working conditions.

Moreover, the sealing groove 12 is designed to be a curved strip structure, and compared with a linear strip structure, when the suction valve sheet 100 is subjected to a bending moment, the force along the length direction of the sealing groove 12 can be converted into a force along the width direction of the sealing groove 12, so that the suction valve sheet 100 has better strength, and the suction valve sheet 100 is prevented from being bent and deformed.

In an embodiment of the present application, further, the sealing groove 12 is a mirror-symmetric structure, as shown in fig. 1. The distances between the two ends of the valve plate body 1 along the length direction of the sealing groove 12 and the symmetric surface 122 of the sealing groove 12 are equal.

In this embodiment, the sealing groove 12 has a mirror symmetry structure, so that the structure is regular and easy to machine and form, thereby reducing the machining difficulty of the suction valve plate 100 and facilitating the reduction of the production cost. Since the suction valve sheet 100 is generally square, the two ends of the valve sheet body 1 in the length direction of the sealing groove 12 can be recorded as the left and right ends, and the two ends of the valve sheet body 1 in the width direction of the sealing groove 12 are the upper and lower ends.

Thus, in this embodiment, the distance between the left and right ends of the valve plate body 1 and the symmetric surface 122 of the sealing groove 12 is equal, and the sealing groove 12 is located at the middle position of the valve plate body 1 in the left-right direction. In other words, the sealing groove 12 is symmetrical about the center line of the valve plate body 1 in the left-right direction, so that the structure of the air suction valve plate 100 is more regular, the air suction valve plate 100 is convenient to machine and form, and the left-right direction stress of the air suction valve plate 100 and the valve plate gasket 204 is more balanced, so that the risk of deformation of the valve plate gasket 204 and the air suction valve plate 100 is further reduced, and the use reliability of the air suction valve plate 100 and the valve plate gasket 204 is further improved.

In an embodiment of the present application, a distance between two ends of the valve plate body 1 along the length direction of the sealing groove 12 is recorded as a length L of the valve plate body 1. The linear distance S between the two ends of the seal groove 12 in the length direction is less than half of the length L of the valve plate body 1. In other words, S is less than L/2.

In this embodiment, the distance between the two ends of the valve plate body 1 in the length direction of the sealing groove 12 is recorded as the length of the valve plate body 1, and the linear distance between the two ends of the sealing groove 12 in the length direction (i.e., the left and right ends of the sealing groove 12) is limited to be less than half of the length of the valve plate body 1, so that on one hand, the problem that the strength of the valve plate body 1 is reduced too much due to the overlong sealing groove 12 can be avoided, thereby being beneficial to reducing the risks of deformation, displacement, tearing and the like of the valve plate body 1, and being beneficial to improving the use reliability; on the other hand, the distance between the sealing groove 12 and the mounting hole 14 at the edge of the valve plate body 1 is relatively long, so that the mounting hole 14 can be prevented from being torn and deformed, the connection reliability of the suction valve plate 100 with the valve plate 202 and the valve plate gasket 204 is improved, and air leakage at the mounting hole 14 is prevented.

In one embodiment of the present application, specifically, the sealing groove 12 has a circular arc-shaped strip structure, as shown in fig. 1.

In this embodiment, the sealing groove 12 has a circular arc-shaped strip structure, that is: the sealing groove 12 extends along the arc direction, so that the shape of the sealing groove 12 is more regular and the processing and forming are more convenient.

Meanwhile, the arc-shaped sealing groove 12 can convert the force in the length direction into the force in the radial direction when the suction valve plate 100 is subjected to a bending moment, thereby having better strength.

In one embodiment of the present application, a linear distance S between both ends of the sealing groove 12 in a length direction is in a range of 12.8mm to 19.2 mm.

In this embodiment, the linear distance S between two ends of the sealing groove 12 in the length direction (i.e., the left and right ends of the sealing groove 12) is limited to be within a range from 12.8mm to 19.2mm, such as 12.8mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19.2mm, and the like, which not only prevents the sealing groove 12 from being too short and limiting the lifting effect of the friction force between the suction valve plate 100 and the valve plate gasket 204, but also prevents the sealing groove 12 from being too long and reducing the strength of the suction valve plate 100 too much.

Further, the width W of the seal groove 12 is in the range of 0.48mm to 0.72 mm.

The width W of the sealing groove 12 (i.e. the distance between the inner edge and the outer edge of the sealing groove 12) is limited within the range of 0.48mm to 0.72mm, such as 0.48mm, 0.5mm, 0.6mm, 0.7mm, 0.72mm, etc., so that the limitation of the lifting effect of the friction force between the suction valve plate 100 and the valve plate gasket 204 due to the too narrow sealing groove 12 is avoided, and the excessive reduction of the strength of the suction valve plate 100 due to the too wide sealing groove 12 is also avoided.

In an embodiment of the present application, a center line of the seal groove 12 is referred to as a first center line 121, and a center line of the valve plate body 1 in the width direction of the seal groove 12 is referred to as a second center line 17. The distance between the first centerline 121 and the inner edge of the seal groove 12 is equal to the distance between the first centerline 121 and the outer edge of the seal groove 12. The two ends of the valve plate body 1 along the width direction of the sealing groove 12 are equal to the distance between the second center line 17.

Wherein the radius R of the first centerline 121 is in the range of 17.84mm to 26.76 mm.

In this embodiment, the centerline of seal groove 12 refers to: a virtual reference line which is located between the inner edge of the seal groove 12 (i.e., the edge of the seal groove 12 close to the intake valve tongue 2) and the outer edge of the seal groove 12 (i.e., the edge of the seal groove 12 far from the intake valve tongue 2) and which is equal to the distance between the inner edge and the outer edge of the seal groove 12 is circular arc-shaped because the seal groove 12 is circular arc-shaped. The center line of the valve sheet body 1 in the width direction of the seal groove 12 means: the virtual reference line is located between the upper end and the lower end of the valve plate body 1 and has the same distance with the upper end and the lower end of the valve plate body 1, and the valve plate body 1 is generally square, so that the virtual reference line is linear. For the sake of convenience of distinction, a center line of the seal groove 12 is referred to as a first center line 121, and a center line of the valve sheet body 1 in the width direction of the seal groove 12 is referred to as a second center line 17.

The radius of the first center line 121 is limited to a range from 17.84mm to 26.76mm, such as 17.84mm, 20mm, 22.3mm, 25mm, 26.76mm, and the like, so that the problem that the lifting effect of the friction force between the suction valve plate 100 and the valve plate gasket 204 is limited due to the fact that the sealing groove 12 is too short due to too small radius of the first center line 121 is avoided, and the problem that the bending degree of the sealing groove 12 is too small due to too long radius of the first center line 121 and the suction valve plate 100 is not favorable for preventing the suction valve plate 100 from bending and deforming is also avoided.

Further, the center O of the first centerline 121 and the first centerline 121 are located on two sides of the second centerline 17, and the distance H between the center O of the first centerline 121 and the second centerline 17 is in the range of 4mm to 6 mm.

The center of the first center line 121 and the first center line 121 are located on both sides of the second center line 17, and if the fixed end 21 of the suction valve tongue 2 is located at the lower side and the free end 22 is located at the upper side, the center of the first center line 121 is located at the lower side of the second center line 17, and the seal groove 12 is located at the upper side of the second center line 17. The distance H between the center of the first center line 121 and the second center line 17 is limited within the range of 4mm to 6mm, so that the length and the bending degree of the sealing groove 12 are reasonable, the sealing groove 12 is ensured to have a proper length, the sealing groove 12 is ensured to have a proper bending degree, and the air suction valve plate 100 is ensured to have high strength and high deformation resistance.

In an embodiment of the present application, as shown in fig. 1, a first mark groove 15 is disposed at one end of the valve plate body 1 in the width direction of the sealing groove 12. The other end of the valve plate body 1 along the width direction of the sealing groove 12 is provided with a second identification groove 16. The first marking groove 15 is provided at an end corresponding to the free end 22, and the second marking groove 16 is provided at an end corresponding to the fixed end 21.

In this embodiment, two ends of the valve plate body 1 along the width direction of the sealing groove 12 are an upper end and a lower end, a free end 22 of the suction valve tongue 2 is located above, and a fixed end 21 of the suction valve tongue 2 is located below, so in this embodiment, the upper end of the valve plate body 1 is provided with the first identification groove 15, and the lower end of the valve plate body 1 is provided with the second identification groove 16. The first mark groove 15 and the second mark groove 16 can play a role of marking, and the positions of the free end 22 and the fixed end 21 of the suction valve tongue 2 are determined through the positions of the first mark groove 15 and the second mark groove 16, so that the suction valve plate 100 can be obtained by punching a complete valve plate raw material conveniently.

In an embodiment of the present application, further, the first identification groove 15 is disposed corresponding to a middle portion of the sealing groove 12, as shown in fig. 1.

First sign groove 15 corresponds the setting with the middle part of seal groove 12, then first sign groove 15 also can play the sign effect to the position of seal groove 12, is convenient for confirm the position of seal groove 12 fast to improve the process velocity of suction valve piece 100.

In an embodiment of the present application, further, the valve sheet body 1 is provided with a mounting hole 14 and a vent hole 13, as shown in fig. 1. The exhaust hole 13 is arranged at the waist of the suction valve tongue 2, so that the suction valve plate 100 has a compact and reasonable structure. The mounting hole 14 is provided at a corner portion of the valve plate body 1, and is used for fixedly connecting the suction valve plate 100 with the valve plate 202 and the valve plate gasket 204 through a threaded fastener (e.g., a screw).

In one embodiment of the present application, the suction valve tongue 2 is, in particular, a reed valve.

In one embodiment of the present application, the suction valve sheet 100 is an integrally formed member. Therefore, the assembly process between the suction valve tongue 2 and the valve plate body 1 can be omitted, so that the production efficiency of the suction valve plate 100 is improved, the production period is shortened, the production cost is reduced, and the improvement of the connection strength between the suction valve tongue 2 and the valve plate body 1 is facilitated.

A suction valve sheet 100 for a compressor 300 according to an embodiment of the present application will be described in detail with reference to fig. 1.

According to an embodiment of the present application, a suction valve plate 100 for improving sealing strength is provided, and the suction valve plate 100 is located between a valve plate 202 and a valve plate gasket 204 of the compressor 300, and is connected to the valve plate 202 and the valve plate gasket 204. The suction valve sheet 100 includes: the valve plate comprises a valve plate body 1 and an air suction valve tongue 2. The valve plate body 1 is connected with the valve plate 202 and the valve plate gasket 204; the suction flap 2 is used to open and close the suction valve port in the valve plate 202.

Further, a seal groove 12 is provided on the upper side of the intake valve tongue 2. The sealing groove 12 is a crescent groove hole. The tooth-shaped slotted hole is bilaterally symmetrical along the left and right central lines of the air suction valve plate 100, the linear distance of the left end and the right end is 16mm, and the width of the crescent-shaped slotted hole is 0.6 mm. The shape of the center line of the crescent groove hole is an arc with the radius of 22.3mm and the center of 5mm below the upper and lower center lines (namely the second center line 17) of the suction valve plate 100.

Further, the suction valve plate 100 is a reed valve plate.

Further, the suction valve plate 100 is an integrally formed member.

Further, the valve plate body 1 is connected with the valve plate 202 and the valve plate gasket 204 through threaded fasteners.

In this embodiment, the suction valve plate 100 is connected to a valve plate 202 (not shown) on one side and a valve plate spacer 204 (not shown) on the other side.

The air suction valve plate 100 is composed of a valve plate body 1 and an air suction valve tongue 2 which are integrally formed, so that the assembly process between the valve plate body 1 and the air suction valve tongue 2 can be simplified, the production period is saved, and the production cost is reduced.

The exhaust hole 13 is positioned between the valve plate body 1 and the waist part of the suction valve tongue 2, so that the suction valve plate 100 has a compact and reasonable structure, and the exhaust hole 13 is a completely through round hole.

The crescent arc groove hole is designed on the upper side of the suction valve tongue 2 and completely penetrates through the valve plate body 1, the friction force between the suction valve plate 100 and the valve plate gasket 204 is enhanced under the high-pressure operation working condition of the compressor 300, the extensile deformation or tearing caused by the horizontal shearing force of the valve plate gasket 204 due to high pressure is reduced, the sealing strength of the valve plate gasket 204 can be effectively improved, and the operation reliability of the compressor 300 under the high-pressure severe working condition is enhanced.

The valve plate body 1 is connected with the valve plate 202 and the valve plate gasket 204 through threaded fasteners (e.g., screws), in the example shown in fig. 1, the valve plate body 1 is rectangular, four corners of the valve plate body 1 are respectively provided with one mounting hole 14, correspondingly, the valve plate 202 and the valve plate gasket 204 are provided with four mounting holes 14 and are in one-to-one correspondence with the four mounting holes 14 on the valve plate body 1, and the threaded fasteners can penetrate through the mounting holes 14 on the valve plate body 1, the valve plate 202 and the mounting holes 14 on the valve plate gasket 204 to realize the connection between the valve plate body 1 and the valve plate 202 and the valve plate gasket 204.

As shown in fig. 2, an embodiment of the second aspect of the present application provides a valve block 200, including: a valve plate 202, a valve plate gasket 204 and a suction valve plate 100 as provided in any of the embodiments of the first aspect.

Specifically, the valve plate 202 is provided with a suction valve port. A valve plate gasket 204 is arranged in a stack with the valve plate 202. The suction valve plate 100 is located between the valve plate 202 and the valve plate gasket 204, and is connected to the valve plate 202 and the valve plate gasket 204 for opening or closing the suction valve port.

The valve assembly 200 provided in the embodiment of the second aspect of the present application includes the suction valve plate 100 of any one of the embodiments of the first aspect, so that all the advantages of any one of the embodiments are provided, and are not repeated herein.

In one embodiment of the present application, the valve plate gasket 204 is specifically a paper gasket.

Valve plate gasket 204 adopts the paper gasket, and the paper gasket is with low costs, is favorable to reducing the cost of valves 200, and paper gasket thickness is little, is favorable to reducing the thickness of valves 200, is convenient for overall arrangement and assembly in compressor 300.

As shown in fig. 3, an embodiment of the third aspect of the present application provides a compressor 300, including: a cylinder 302 and a valve block 200 as provided in the second aspect of the embodiment, the valve block 200 being connected to the cylinder 302.

The compressor 300 provided in the embodiment of the third aspect of the present application includes the valve group 200 of any one of the embodiments of the second aspect, so that all the advantages of any one of the embodiments described above are provided, and details are not described herein again.

As shown in fig. 4, an embodiment of the fourth aspect of the present application provides a refrigeration apparatus 400, including: a housing 402 and a compressor 300 as provided in the third embodiment, the compressor 300 being disposed within the housing 402.

The refrigeration apparatus 400 provided in the embodiment of the fourth aspect of the present application includes the compressor 300 provided in the embodiment of the third aspect, so that all the advantages of any of the embodiments described above are provided, and details are not described herein again.

In one embodiment of the present application, the refrigeration device 400 can be, but is not limited to, a refrigerator, an ice chest, an air conditioner, and the like.

To sum up, the suction valve piece, valves, compressor and refrigeration plant that the embodiment of this application provided have add the seal groove on the valve block body, and the seal groove can increase the frictional force between valve plate gasket and the suction valve piece, subducts the extensional deformation or the tearing that the horizontal shear force that the valve plate gasket arouses because of the high pressure leads to reduce the valve plate gasket and take place to warp or the torn risk, and then improve the seal strength of valve plate gasket, effectively improve the operational reliability of compressor. Specifically, the suction valve plate comprises a valve plate body and a suction valve tongue. The air suction valve tongue is arranged at the position of the valve tongue notch of the valve plate body, and the fixed end of the air suction valve tongue is connected with the valve plate body, so that the air suction valve tongue is ensured to form a whole. The free end of the suction valve tongue can move relative to the valve plate body, and when the free end moves to the position of the suction valve port of the sealing cover valve plate, the suction valve plate closes the suction valve port; when the free end moves to the position of opening the air suction valve port of the valve plate, the air suction valve plate opens the air suction valve port. After the compressor is assembled, the suction valve plate is positioned between the valve plate and the valve plate gasket and connected with the valve plate and the valve plate gasket. In the compressor operation process, the valve plate gasket receives the extrusion can be locally embedded into the seal groove of valve block body in to increase the frictional force between valve plate gasket and the suction valve block, offset the horizontal shear stress that too big suction and exhaust pressure produced the valve plate gasket under abominable operating mode, and then reduce the valve plate gasket and outwards warp or the tearing trend, reduce the clearance of revealing between suction valve block and the valve plate gasket, reach the effect that promotes valve plate gasket seal strength, the operational reliability of reinforcing compressor under the abominable operating mode of high pressure. Meanwhile, the valve plate gasket is partially embedded into the sealing groove, so that the sealing effect on the sealing groove can be achieved, the air suction valve plate can be fixed and strengthened, and the risk that the air suction valve plate breaks away from an air suction valve port and loses efficacy due to the fact that the air suction valve plate is displaced due to vibration in the using process is reduced. Thus, the reliability of the suction and exhaust of the compressor is improved, and the operational reliability of the compressor is improved. Further, since the free end of the suction valve tongue frequently moves, the friction force between the suction valve plate and the valve plate gasket near the position is small, and the valve plate gasket is easily deformed or torn near the position. Therefore, the sealing groove is formed between the free end of the air suction valve plate and the edge of the valve plate body, so that the friction force between the valve plate body and the valve plate gasket near the free end is increased, and the risk of deformation or tearing of the valve plate gasket is reduced. Meanwhile, the sealing groove is strip-shaped, so that the processing is convenient, the area of the air suction valve plate embedded into the sealing groove is increased, and the friction force between the air suction valve plate and the valve plate gasket is further increased. In addition, the free end of the suction valve tongue is generally arc-shaped, and the middle part of the free end is bent towards the direction close to the edge of the valve plate body. When the middle part of the sealing groove is bent towards the direction far away from the air suction valve tongue, the bending direction of the sealing groove is consistent with the bending direction of the free end of the air suction valve plate. The distance between the sealing groove and the free end of the air suction valve plate is relatively uniform, so that the part of the valve plate body, which is positioned between the sealing groove and the valve tongue notch, is stressed evenly. Compared with the scheme of reversely bending the sealing groove, the scheme can prevent the part (the part of the valve block body between the sealing groove and the valve tongue notch) from being deformed or torn due to local over-narrowing, thereby further improving the strength and the use reliability of the air suction valve block and further improving the use reliability of the compressor under severe working conditions. Moreover, the sealing groove is designed into a bent strip-shaped structure, and compared with a linear strip-shaped structure, the force along the length direction of the sealing groove can be converted into the force along the width direction of the sealing groove when the air suction valve plate is subjected to bending moment, so that the air suction valve plate has better strength, and the air suction valve plate is prevented from being bent and deformed.

In this application, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (12)

1. An intake valve sheet, comprising:

the valve plate body is provided with a valve tongue notch; and

the suction valve tongue is arranged at the gap of the valve tongue and comprises a fixed end and a free end, the fixed end is connected with the valve block body, the valve block body is further provided with a strip-shaped sealing groove, the sealing groove is arranged between the free end and the edge of the valve block body, and the middle of the sealing groove is bent towards the direction far away from the suction valve tongue.

2. The suction valve plate of claim 1,

the seal groove is of a mirror symmetry structure, and the distance between the two ends of the valve block body in the length direction of the seal groove and the symmetry plane of the seal groove is equal.

3. The suction valve plate of claim 2,

recording the distance between two ends of the valve plate body along the length direction of the sealing groove as the length of the valve plate body;

the linear distance between the two ends of the sealing groove in the length direction is smaller than half of the length of the valve plate body.

4. Suction valve plate according to any of claims 1 to 3,

the sealing groove is of an arc-shaped strip structure.

5. The suction valve plate of claim 4,

the linear distance between two ends of the sealing groove in the length direction is within the range of 12.8mm to 19.2 mm; and/or

The width of the sealing groove is in the range of 0.48mm to 0.72 mm.

6. The suction valve plate of claim 4,

recording a center line of the seal groove as a first center line, recording a center line of the valve plate body in the width direction of the seal groove as a second center line, wherein a distance between the first center line and an inner edge of the seal groove is equal to a distance between the first center line and an outer edge of the seal groove, and distances between two ends of the valve plate body in the width direction of the seal groove and the second center line are equal;

wherein the radius of the first centerline is in the range of 17.84mm to 26.76 mm; and/or

The circle center of the first center line and the first center line are arranged on two sides of the second center line, and the distance between the circle center of the first center line and the second center line is in the range of 4mm to 6 mm.

7. Suction valve plate according to any of claims 1 to 3,

the valve block body is followed the one end of the width direction of seal groove is equipped with first sign groove, the valve block body is followed the other end of the width direction of seal groove is equipped with the second sign groove, just first sign groove establish with the one end that the free end corresponds, the second sign groove establish with the one end that the stiff end is corresponding.

8. The suction valve plate of claim 7,

the first identification groove is arranged corresponding to the middle of the sealing groove.

9. A valve manifold, comprising:

the valve plate is provided with a suction valve port;

the valve plate gasket is arranged with the valve plate in a stacked manner;

an air suction flap according to any one of claims 1 to 7, located between and connected to the valve plate and the valve plate gasket for opening or closing the suction valve port.

10. The valve manifold of claim 9,

the valve plate gasket is a paper gasket.

11. A compressor, comprising:

a cylinder; and

valve group according to claim 9 or 10, connected to the cylinder.

12. A refrigeration apparatus, comprising:

a housing; and

the compressor of claim 11, said compressor being disposed within said shell.

Images