CN212272502U

CN212272502U - Three-reed suction valve plate of refrigerator compressor

Info

Publication number: CN212272502U
Application number: CN202022090975.1U
Authority: CN
Inventors: 梅亚; 郭玉祥; 张锐; 卜帅; 孙宏峰
Original assignee: Hefei An'xin Ruide Precision Manufacturing Co ltd
Current assignee: Hefei An'xin Ruide Precision Manufacturing Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-01-01
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a three reed suction valve block of refrigerator compressor, including the valve plate, set up three main reed on the valve plate, form arc valve gap between main reed and the valve plate, main reed includes tail end, cantilever and head end, middle main reed and valve plate edge parallel arrangement, both sides main reed with middle main reed axis symmetry setting, the valve plate is located and sets up the through-hole between the cantilever of adjacent main reed, the arc groove is seted up in the four corners of valve plate, the valve plate is located the outside symmetry of main reed and sets up the mounting hole, the head end parallel protrusion valve plate plane of main reed and with in proper order smooth connection main reed cantilever and tail end; the utility model discloses a stagger the setting head and the tail of three reed, avoided the cross of induced draft, improved the efficiency of breathing in, the parallel protrusion valve plate of head end of main reed utilizes the level and smooth curvature of cantilever and tail end, improves the fatigue resistance of cantilever, and then has improved sealing performance, has improved equipment refrigeration efficiency.

Description

Three-reed suction valve plate of refrigerator compressor

Technical Field

The utility model relates to a suction valve block technical field, in particular to three reed suction valve blocks of refrigerator compressor.

Background

The suction and exhaust valve plate of the refrigerator compressor is one of the most key parts in the refrigerator compressor, because the suction and exhaust valve plate bears the acting force of alternating load thousands or even tens of thousands of times per minute when the refrigerator compressor runs, the reed in the suction valve plate plays a vital role, the reed consists of a tail end, a cantilever and a reed end, the reed end is used for sealing a suction hole, the cantilever provides an elastic variable, the cantilever is opened in the suction state of the compressor, the reed end is separated from the suction hole to suck air, after the suction is finished, the reed end is tightly attached to the suction hole again under the restoring force action of the cantilever to do reciprocating motion in the way, the patent number CN201711235098.9 of the company discloses a suction valve plate of a single-cylinder refrigerator compressor with multiple reeds, three reed bodies are rotationally and symmetrically arranged relative to the center of the valve plate body, although the sealing performance can be improved by adopting the arrangement, the storage flow rate of a refrigerant in a gap, the refrigeration efficiency is improved, but in actual work, the three air suction holes are annularly arranged, the three air suction holes form three air flows, a cross phenomenon can be generated in work, a high-pressure area is formed in the cross area, the gas flow rate is reduced, the air suction efficiency is influenced, and in the reciprocating motion process of the reed body, the fatigue resistance of the cantilever is reduced, the sealing formation of the reed end is influenced, and the air suction efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a three reed suction valve block of refrigerator compressor, through the setting of staggering three reed head and the tail, the cross of suction flow has been avoided, the efficiency of breathing in has been improved, and set up the through-hole between the cantilever of two reeds, reduce the volume of depositing of refrigerant in the space, the equipment refrigeration efficiency has been improved, and the parallel protrusion valve plate of head end of main reed, utilize the level and smooth curvature of cantilever and tail end, improve the fatigue resistance ability of cantilever, and then improved sealing performance, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a three reed suction valve block of refrigerator compressor, includes the valve plate, set up three main reed on the valve plate, form arc valve gap between main reed and the valve plate, main reed includes tail end, cantilever and head end, and is three main reed is arranged and is set up, and is middle main reed and valve plate edge parallel arrangement, both sides main reed sets up with middle main reed axis symmetry, the valve plate is located and sets up the through-hole between the cantilever of adjacent main reed, the through-hole is two, the arc groove is seted up in the four corners of valve plate, the mounting hole is seted up to the outside symmetry that the valve plate is located main reed, the parallel plane of protruding valve plate of head end of main reed and with cantilever and the tail end of the main reed of smooth connection in proper order.

Preferably, an inner reed is arranged on a cantilever of the main reed, the inner reed and the main reed are positioned on the same axis and are arranged in an opposite end-to-end manner, and an inner valve gap is formed between the inner reed and the cantilever of the main reed.

Preferably, the inner reed is arranged in an arc shape, and the arc-shaped curve is consistent with the cantilever of the main reed.

Preferably, the length of the inner reed is 2/3 times the cantilever length of the main reed.

Preferably, the width of the inner valve gap is 1/2 the width of the arc-shaped valve gap.

Preferably, a semicircular groove is formed in the side wall of the valve plate, and a semicircular block corresponding to the semicircular groove is formed in the other side wall of the valve plate.

Preferably, the through hole is positioned in the middle of the cantilever of the adjacent main reed and is communicated with the arc valve gaps on two sides of the through hole.

Preferably, the main tongues on both sides are inclined in a direction away from the main tongue in the middle.

Preferably, the axes of the main tongues on both sides are offset by 5-10 ° with respect to the axis of the central main tongue.

Compared with the prior art, the utility model discloses the beneficial effect who produces is: the utility model discloses a stagger the setting head and the tail of three reed, avoided the cross of induced draft, improved the efficiency of breathing in to the through-hole setting is between the cantilever of two reeds, reduces the volume of depositing of refrigerant in the space, has improved equipment refrigeration efficiency, and the parallel protrusion valve plate of head end of main reed, utilizes the smooth curvature of cantilever and tail end, improves the fatigue resistance ability of cantilever, and then has improved sealing performance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic side view of the overall structure of the present invention.

In the figure: 1. a valve plate; 2. a main reed; 21. a tail end; 22. a cantilever; 23. a head end; 3. an arcuate valve clearance; 4. a through hole; 5. an arc groove; 6. mounting holes; 7. an inner tongue; 8. an inner valve clearance; 9. a semicircular groove; 10. a semicircular block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

As shown in fig. 1 and 3, a three-reed suction valve plate of a refrigerator compressor comprises a valve plate 1, wherein three main reeds 2 are arranged on the valve plate 1, an arc-shaped valve gap 3 is formed between each main reed 2 and the valve plate 1, each main reed 2 comprises a tail end 21, a cantilever 22 and a head end 23, the axes of the three main reeds 2 are arranged in parallel, the middle main reed 2 is arranged in parallel with the edge of the valve plate 1, the main reeds 2 at two sides are symmetrically arranged by the axis of the middle main reed 2, through holes 4 are arranged between the cantilevers 22 of the adjacent main reeds 2 of the valve plate 1, the number of the through holes 4 is two, arc grooves 5 are arranged at four corners of the valve plate 1, mounting holes 6 are symmetrically arranged at the outer side of the main reed 2 of the valve plate 1, the head end 23 of each main reed 2 protrudes out of the plane of the valve plate 1 in parallel and is in parallel with the plane of the main reed 2 and is connected with, set up interior reed 7 on main reed 2's the cantilever 22, interior reed 7 is located same axis and end to end setting with main reed 2, interior reed 7 is the arc setting and the arc curve is unanimous with main reed 2's cantilever 22, form interior valve clearance 8 between interior reed 7 and main reed 2's the cantilever 22, the length of interior reed 7 is 2/3 of main reed 2's cantilever 22 length, the width of interior valve clearance 8 is 1/2 of arc valve clearance 3 width, semicircular groove 9 is seted up to the lateral wall of valve plate 1, semicircle piece 10 that corresponds with semicircular groove 9 is seted up to another lateral wall of valve plate 1, through-hole 4 is located adjacent main reed 2's cantilever 22 middle part and through-hole 4 and the arc valve clearance 3 intercommunication of through-hole 4 both sides.

Example 2

As shown in fig. 2 and 3, a three-reed suction valve plate of a refrigerator compressor comprises a valve plate 1, three main reeds 2 are arranged on the valve plate 1, an arc-shaped valve gap 3 is formed between each main reed 2 and the valve plate 1, each main reed 2 comprises a tail end 21, a cantilever 22 and a head end 23, the main reeds 2 on two sides are obliquely arranged in the direction away from the main reed 2 in the middle, the axes of the main reeds 2 on two sides deviate 5-10 degrees by taking the axis of the main reed 2 in the middle as the center, the main reed 2 in the middle is arranged in parallel with the edge of the valve plate 1, the main reeds 2 on two sides are symmetrically arranged by taking the axis of the main reed 2 in the middle, through holes 4 are arranged between the cantilevers 22 of the adjacent main reeds 2 of the valve plate 1, two through holes 4 are arranged, arc grooves 5 are arranged at four corners of the valve plate 1, mounting holes 6 are symmetrically arranged on the outer side of the main reed 2 of the valve plate 1, the head end 23 of the main reed 2 protrudes out of the plane of the valve plate 1 in parallel and is connected with the cantilever 22 and the tail end 21 of the main reed 2 smoothly in sequence, an inner tongue 7 is arranged on a cantilever 22 of the main tongue 2, the inner tongue 7 and the main tongue 2 are positioned on the same axis and are arranged end to end in an opposite way, the inner reed 7 is arranged in an arc shape, the arc curve is consistent with the cantilever 22 of the main reed 2, an inner valve gap 8 is formed between the inner reed 7 and the cantilever 22 of the main reed 2, the length of the inner reed 7 is 2/3 of the length of the cantilever 22 of the main reed 2, the width of the inner valve gap 8 is 1/2 of the width of the arc-shaped valve gap 3, a semicircular groove 9 is arranged on the side wall of the valve plate 1, a semicircular block 10 corresponding to the semicircular groove 9 is arranged on the other side wall of the valve plate 1, the through hole 4 is positioned in the middle of the cantilever 22 of the adjacent main reed 2, and the through hole 4 is communicated with the arc valve gaps 3 on two sides of the through hole 4.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a three reed suction valve pieces of refrigerator compressor, includes the valve plate, its characterized in that: set up three main reed on the valve plate, form arc valve clearance between main reed and the valve plate, main reed includes tail end, cantilever and head end, and is three main reed is arranged and is set up, and is middle main reed and valve plate edge parallel arrangement, both sides main reed sets up with middle main reed axis symmetry, the valve plate is located sets up the through-hole between the cantilever of adjacent main reed, the through-hole is two, the circular arc groove is seted up in the four corners of valve plate, the mounting hole is seted up to the outside symmetry that the valve plate is located main reed, the parallel plane of protruding valve plate of head end of main reed and with cantilever and the tail end of the main reed of smooth connection in proper order.

2. The three-reed suction valve plate of a compressor for a refrigerator according to claim 1, wherein: an inner reed is arranged on a cantilever of the main reed, the inner reed and the main reed are positioned on the same axis and are arranged in an opposite way from head to tail, and an inner valve gap is formed between the inner reed and the cantilever of the main reed.

3. The three-reed suction valve plate of a compressor for a refrigerator according to claim 2, wherein: the inner reed is arranged in an arc shape, and the arc curve is consistent with the cantilever of the main reed.

4. The three-reed suction valve plate of a compressor for a refrigerator according to claim 2, wherein: the length of the inner reed is 2/3 the cantilever length of the main reed.

5. The three-reed suction valve plate of a compressor for a refrigerator according to claim 2, wherein: the width of the inner valve gap is 1/2 the width of the arc-shaped valve gap.

6. The three-reed suction valve plate of a compressor for a refrigerator according to claim 1, wherein: the lateral wall of valve plate sets up the semicircle groove, another lateral wall of valve plate sets up the semicircle piece that corresponds with the semicircle groove.

7. The three-reed suction valve plate of a compressor for a refrigerator according to claim 1, wherein: the through hole is positioned in the middle of the cantilever of the adjacent main reed and is communicated with the arc valve gaps on two sides of the through hole.

8. The three-reed suction valve plate of a compressor for a refrigerator according to claim 1, wherein: the main tongues on the two sides are obliquely arranged in the direction far away from the main tongue in the middle.

9. The three-reed suction valve plate of a compressor for a refrigerator according to claim 8, wherein: the axes of the main tongues on the two sides are offset by 5-10 degrees by taking the axis of the main tongue in the middle as a center.