CN211474380U

CN211474380U - Valve plate of compressor

Info

Publication number: CN211474380U
Application number: CN201920508236.4U
Authority: CN
Inventors: 张云
Original assignee: Hangzhou Qianjiang Refrigeration Compressor Group Co ltd
Current assignee: Hangzhou Qianjiang Refrigeration Compressor Group Co ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-09-11
Anticipated expiration: 2029-04-15

Abstract

The utility model relates to a compressor part especially relates to a compressor valve plate. The valve plate comprises a valve plate body and a valve plate body, wherein the valve plate body is in a round-angle rectangular shape, the front side of the valve plate body is provided with an exhaust groove sunken to the inside of the valve plate body, an exhaust hole penetrating through the valve plate body is formed in the exhaust groove, two end parts of the exhaust hole, which are positioned on the front side and the back side of the valve plate body, are provided with an exhaust guide groove with a big top and a small bottom, the upper end of the exhaust guide groove, which is positioned on the front side of the valve plate body, is higher than the bottom surface of the exhaust groove, the upper end of the exhaust guide groove, which. The utility model discloses compare in prior art its better sealing performance and compressive property have, even the phenomenon that also can not appear revealing under long-time operation, can also make things convenient for the installation between each subassembly on the valve plate simultaneously.

Description

Valve plate of compressor

Technical Field

The utility model relates to a compressor part especially relates to a compressor valve plate.

Background

The refrigeration compressor generally comprises a shell, a motor, a discharge valve assembly, refrigeration equipment and a cooling system, wherein a valve plate is used as an important component of the discharge valve assembly, and the performance of the discharge valve assembly directly influences the performance of the compressor. The kind of present compressor is loaded down with trivial details, and during a lot of valve plate assembly, the in-process of valve plate is installed to the subassembly of breathing in and exhaust subassembly easily takes place to interfere, and this has brought the inconvenience for the assembly of valve plate. Meanwhile, the motor drives the piston to reciprocate in the cylinder to realize the air suction and exhaust circulation actions of the compressor system, the valve plate is generally provided with an air inlet hole, an exhaust hole and a mounting hole, the air suction and exhaust actions can cause pressure intensity change near the exhaust hole of the valve plate, and a high-pressure cavity can be formed, so that the requirement on the sealing performance of the positions of the air inlet hole and the exhaust hole of the valve plate is high.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an it is not good to overcome the compressor valve plate among the prior art and use sealing performance after for a long time, the risk of leakage easily appears, and during the valve plate assembly simultaneously, the defect of easily taking place to interfere of the in-process of valve plate is installed to wherein subassembly of breathing in and exhaust subassembly provides a compressor valve plate that can effectively improve valve plate sealing performance, and the in-process of installing this valve plate with subassembly of breathing in and exhaust subassembly can not take place to interfere simultaneously, has simple to operate's effect.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a compressor valve plate, includes that one is rounded rectangle's valve plate body, the outside protrusion of one of which corner forms a locating angle, the valve plate body openly be provided with one to the inside sunken air discharge duct of valve plate body, the air discharge duct inside be provided with one and link up the exhaust hole that the valve plate body set up, two tip that the exhaust hole is located the valve plate body positive and negative all be provided with an big-end-up's exhaust guide way, wherein be located the positive exhaust guide way upper end of valve plate body and be higher than the bottom surface of air discharge duct, the exhaust guide way upper end that is located the valve plate body reverse side flush with valve plate body reverse side, the valve plate body on still be provided with a suction hole and a plurality of mounting hole that link up.

The utility model provides a compressor valve plate is because its one of which angle outwards protrudes and forms the angle of orientation in the installation, consequently can make things convenient for the fixed mounting of compressor valve plate. Simultaneously can be because the position of compressor valve plate can effectively be fixed to can be more smooth when making it and exhaust valve subassembly installation. And simultaneously, the utility model provides an its exhaust hole of valve plate body is big-end-up's structure, and its and the effective increase of area of contact between the exhaust valve subassembly can make the contact inseparabler, and the leakproofness promotes greatly. In addition, the upper end of the exhaust guide groove positioned on the front surface of the valve plate body is higher than the bottom surface of the exhaust groove, so that the connection between the exhaust guide groove and the exhaust valve assembly can be tighter, and the sealing performance of the exhaust guide groove is further improved.

Preferably, the exhaust groove is long-strip-shaped, a left convex sealing bump is arranged along the left side of the long edge of the exhaust groove, and the upper surface of the exhaust groove is in a grid shape.

The left sealing convex block in the shape of the convex character can be effectively attached to the exhaust assembly, and meanwhile, the surface of the left sealing convex block is arranged in a grid shape, so that the sealing performance can be further improved.

Preferably, the exhaust groove is located at the left sealing convex block, a pair of limiting blocks are symmetrically arranged along the convex edge of the left sealing convex block, and the limiting blocks protrude out of the left sealing convex block.

Set up the stopper on the one hand and can play and prevent that left sealed lug from excessively compressing tightly the deformation, on the other hand can also play the positioning action, has simplified exhaust assembly's installation.

Preferably, the exhaust groove is provided with a rectangular right sealing convex block along the right side of the long side.

Preferably, the edge of the exhaust groove is provided with a U-shaped connecting block around the right sealing convex block, the U-shaped connecting block protrudes out of the right sealing convex block, and two ends of the U-shaped connecting block are provided with a connecting inclined plane towards the bottom of the exhaust groove.

Be provided with a right sealing convex block on the long limit right side of exhaust duct and can promote holistic sealed effect with left sealing convex block synergism together, the setting of U-shaped connecting block can be effectively connected with exhaust assembly simultaneously, and both the joint strength after the assembly promote greatly.

Preferably, the vent groove is provided with a vent part protruding towards the outside of the vent groove along one side of the long edge of the vent groove, the vent part is an arc-shaped surface from the bottom to the top of the vent part, the right side of the vent groove is also provided with a positioning connecting groove, and the bottom surface of the positioning connecting groove protrudes out of the bottom of the vent groove.

The ventilating part with the arc-shaped surface is arranged to guide exhausted gas, so that the exhaust pressure is relieved, and the phenomenon of gas leakage caused by overlarge pressure is avoided.

Preferably, the exhaust groove is provided with a positioning part which is concave towards the inside of the exhaust groove and is arc-shaped along the other side of the long edge of the exhaust groove.

The exhaust assembly can be more conveniently mounted by arranging the positioning part.

Preferably, the edge of the valve plate body is provided with a positioning edge which is step-shaped, and the corner of the positioning edge forms an angle of 45 degrees with the surface of the valve plate body.

Preferably, the reverse side of the valve plate body is provided with a ring groove surrounding the air suction hole, and the difference between the inner diameter and the outer diameter of the ring groove is gradually reduced from the surface of the valve plate body to the bottom of the ring groove.

Preferably, the valve plate body is provided with a suction guide groove at the contact part with the suction hole.

The air suction guide groove can guide the air flow in the air suction process and prevent air leakage due to the pressure of the air flow.

Therefore, the utility model discloses compare in prior art its better sealing performance and compressive property have, even the phenomenon of revealing also can not appear under long-time operation, can also make things convenient for the installation between each subassembly on the valve plate simultaneously.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic view of the reverse structure of the present invention.

Fig. 3 is an enlarged sectional view taken along line a-a in fig. 1.

Fig. 4 is an enlarged view of the vent groove.

Fig. 5 is a sectional view taken along line B-B in fig. 4.

Fig. 6 is a cross-sectional view of C-C in fig. 2.

Wherein: the valve plate comprises a valve plate body 1, an exhaust groove 2, an exhaust hole 3, an exhaust guide groove 4, an air suction hole 5, a mounting hole 6, a left sealing lug 7, a limiting block 8, a right sealing lug 9, a U-shaped connecting block 10, a connecting inclined plane 11, a ventilation part 12, a positioning connecting groove 13, a positioning part 14, a positioning edge 15, an annular groove 16, a positioning angle 17 and an air suction guide groove 18.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments.

As shown in figures 1-6, a valve plate of a compressor comprises a valve plate body 1 which is in a round rectangle and one corner of which protrudes outwards to form a positioning angle 17 for facilitating the installation and positioning of the valve plate body 1.

The front of the valve plate body 1 is provided with an exhaust groove 2 which is concave inwards and is in a long strip shape, a left sealing convex block 7 which is in a convex shape is arranged on the left side of the long edge of the valve plate body, and a pair of limiting blocks 8 protruding out of the left sealing convex block 7 are symmetrically arranged on the convex edge of the left sealing convex block 7.

The long edge of one side of the exhaust groove 2 is provided with a ventilation part 12 protruding towards the outside of the exhaust groove 2, the bottom to the top of the ventilation part is an arc-shaped surface, the right side of the exhaust groove 2 is also provided with a positioning connecting groove 13, the bottom surface of the ventilation part protrudes out of the bottom of the exhaust groove 2, and the long edge of the other side of the exhaust groove 2 is provided with a positioning part 14 which is sunken towards the inside of the exhaust groove 2 and is in a circular arc shape.

An exhaust hole 3 which is arranged through the valve plate body 1 is arranged between the ventilation part 12 and the positioning part 14, two end parts which are positioned on the front surface and the back surface of the valve plate body 1 are respectively provided with an exhaust guide groove 4 with a big top and a small bottom, wherein the upper end of the exhaust guide groove 4 positioned on the front surface of the valve plate body 1 is higher than the bottom surface of the exhaust groove 2, and the upper end of the exhaust guide groove 4 positioned on the back surface of the valve plate body 1 is flush with the back surface of the valve plate body 1.

The exhaust groove 2 is provided with a rectangular right sealing lug 9 along the right side of the long edge of the exhaust groove, a U-shaped connecting block 10 is arranged at the edge of the exhaust groove 2 around the right sealing lug 9, the U-shaped connecting block 10 protrudes out of the right sealing lug 9, and two connecting inclined planes 11 are arranged at two ends of the U-shaped connecting block towards the bottom of the exhaust groove 2.

The valve plate body 1 is further provided with a suction hole 5 penetrating through the valve plate body 1, meanwhile, a suction guide groove 18 is further arranged at the contact part of the valve plate body 1 and the suction hole 5, an annular groove 16 surrounding the suction hole 5 is formed in the reverse side of the valve plate body 1, the difference between the inner diameter and the outer diameter of the annular groove 16 is sequentially reduced from the surface of the valve plate body 1 to the bottom of the annular groove 16 through the annular groove 16, and the valve plate body 1 is further provided with a plurality of mounting holes 6.

Claims

1. A valve plate of a compressor comprises a valve plate body which is in a round corner rectangle shape and is characterized in that, one corner of the valve plate body protrudes outwards to form a positioning angle, the front surface of the valve plate body is provided with an exhaust groove which is sunken towards the inside of the valve plate body, the exhaust groove is internally provided with an exhaust hole which is arranged by penetrating through the valve plate body, the two end parts of the exhaust hole positioned on the front and the back of the valve plate body are respectively provided with an exhaust guide groove with a big top and a small bottom, wherein the upper end of the exhaust guide groove positioned on the front surface of the valve plate body is higher than the bottom surface of the exhaust groove, the upper end of the exhaust guide groove positioned on the back surface of the valve plate body is flush with the back surface of the valve plate body, the valve plate body is also provided with an air suction hole penetrating through the valve plate body and a plurality of mounting holes, the reverse side of the valve plate body is provided with a ring groove surrounding the air suction hole, the difference between the inner diameter and the outer diameter of the ring groove is sequentially reduced from the surface of the valve plate body to the bottom of the ring groove;

the exhaust groove is long-strip-shaped, a left convex sealing bump is arranged on the left side of the long edge of the exhaust groove, and the upper surface of the exhaust groove is in a grid shape.

2. The valve plate of compressor as claimed in claim 1, wherein the air discharge groove is located at the left sealing protrusion, and a pair of limiting blocks are symmetrically arranged along the convex edge of the left sealing protrusion, and the limiting blocks protrude from the left sealing protrusion.

3. The compressor valve plate according to claim 1, wherein the discharge groove is provided with a right sealing protrusion having a rectangular shape along a right side of a long side thereof.

4. A valve plate for a compressor as defined in claim 3, wherein the edge of the discharge groove is provided with a U-shaped connecting piece around the right sealing protrusion, the U-shaped connecting piece protrudes from the right sealing protrusion, and both ends of the U-shaped connecting piece are provided with a connecting slope toward the bottom of the discharge groove.

5. The valve plate of compressor as claimed in claim 1, 2, 3 or 4, wherein the discharge groove has a vent portion along one side of its long side, the vent portion being an arc-shaped surface from bottom to top, and a positioning connection groove having a bottom surface protruding from the bottom of the discharge groove.

6. The valve plate of compressor as claimed in claim 5, wherein the discharge groove is provided with a circular arc positioning portion along the other side of the long side of the discharge groove.

7. A compressor valve plate according to claim 1, wherein the edge of the valve plate body is provided with a positioning edge which is stepped and has a corner at an angle of 45 degrees to the surface of the valve plate body.

8. A valve plate for a compressor as defined in claim 1, wherein a suction guide groove is formed at a portion of the valve plate body contacting the suction hole.