CN217926214U - Be applied to compressor's discharge valve piece and valves - Google Patents

Be applied to compressor's discharge valve piece and valves Download PDF

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Publication number
CN217926214U
CN217926214U CN202221095974.9U CN202221095974U CN217926214U CN 217926214 U CN217926214 U CN 217926214U CN 202221095974 U CN202221095974 U CN 202221095974U CN 217926214 U CN217926214 U CN 217926214U
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valve plate
discharge valve
bending
compressor
exhaust
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CN202221095974.9U
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Inventor
黄强胜
刘晓
谢天祥
向伦峰
张光锋
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Huangshi Donper Compressor Co Ltd
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Huangshi Donper Compressor Co Ltd
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Abstract

The utility model discloses a be applied to compressor's discharge valve piece and valves, including the fixed part, it has the mounting hole to open on the fixed part, even there is connecting portion one side of fixed part, connecting portion contain second elasticity portion, first bending portion and the first elasticity portion of bending towards the valve plate direction that connects gradually, first elasticity portion contains the convex head that is used for with the gas vent complex of valve plate, first elasticity portion, second elasticity portion are straight structure, first bending portion is perpendicular to the length direction setting of discharge valve piece, the transverse distance between the outside of first bending portion and fixed part is 0.35-0.45 times of the transverse total length of discharge valve piece, and the warpage height of discharge valve piece is 0.35 0.2mm; the utility model discloses there is the advantage that the seal is good, the reliability is high, configuration optimization.

Description

Be applied to compressor's discharge valve piece and valves
Technical Field
The utility model belongs to the technical field of the compressor valves, concretely relates to be applied to compressor's discharge valve piece and valves.
Background
The valve bank in the existing refrigeration compressor is an important part for controlling the suction and exhaust of the compressor, and when the compressor works, working media enter and exit the cylinder through the valve bank. The exhaust valve plate of the traditional refrigerator compressor is installed in a manner of compressing the root, the head of the valve plate is controlled to be opened and closed by high-low pressure difference, the whole compressor is in a plane linear type, and the compressor is not bent.
Chinese utility model patent (CN 202121763176.4) discloses a reduce clearance volume exhaust valve piece structure, including exhaust valve piece and valve plate, exhaust valve piece includes fixed part, flexion and sealing part, the fixed part with valve plate fixed connection, the exhaust hole has been seted up on the valve plate, the sealing part lid is established on the exhaust hole, the sealing part is to the direction protrusion that is close to the exhaust hole forms the bulge, the bulge is located in the exhaust hole, and the shape of bulge matches with the shape in exhaust hole; the exhaust valve plate is designed to be straight, after the root portion of the exhaust valve plate is tightly pressed, the stress of the head portion can be raised to a certain extent, the exhaust cavity tightness can be influenced by the raising of the exhaust valve plate in the air suction stage of the compressor, the air suction efficiency can be influenced by the leakage of the exhaust cavity, the performance of the compressor is further influenced, and the impact resistance of the head portion of the exhaust valve plate is poor.
The defects of the prior art are as follows: 1. the existing exhaust valve plate is designed straightly, and the tilting of the exhaust valve plate can influence the airtightness of an exhaust cavity and the performance of a compressor at the air suction stage of the compressor; 2. the flat head of the exhaust valve plate has poor impact resistance, and is easy to break under the high-frequency impact with the exhaust valve plate limiting plate, so that the reliability of the compressor is influenced.
Disclosure of Invention
The utility model aims at the problem that prior art exists, provide a be applied to compressor's discharge valve piece and valves, the utility model discloses there are the advantage that the seal is good, the reliability is high, configuration optimization.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a be applied to compressor's discharge valve piece, includes the fixed part, it has the mounting hole to open on the fixed part, even there is connecting portion one side of fixed part, connecting portion contain the second elastic component, the first portion of bending that connect gradually and the first elastic component of bending towards the valve plate direction, first elastic component contains be used for with the convex head of the gas vent complex of valve plate, first elastic component, second elastic component are straight structure, the length direction setting of first portion of bending perpendicular to discharge valve piece, the transverse distance between the first portion of bending and the fixed part outside is 0.35-0.45 times of the horizontal total length of discharge valve piece, and the warpage height of discharge valve piece is 0.35 0.2mm.
In the above scheme, the exhaust valve sheet is of a sheet structure, the fixing portion is installed on the valve plate through the installation hole, the connecting portion is integrally of an elastic structure and can be bent and deformed, the exhaust valve sheet is used for controlling opening and closing of the exhaust port, the first elastic portion is bent towards the direction of the exhaust port through the first bending portion, so that tilting of one side of the arc-shaped head portion when the fixing portion is fixed is offset, the sealing effect of the exhaust valve sheet on the exhaust port is guaranteed, leakage is prevented from affecting the air suction and exhaust efficiency, the first bending portion can be formed through bending technology or die forming, the first elastic portion is bent towards the direction of the valve plate, the diameter of the arc-shaped head portion of the first elastic portion is larger than that of the exhaust port, the exhaust port is blocked when air is sucked, the first elastic portion and the second elastic portion are of a straight structure, machining is convenient, the flat sheet body is bent under the action of air pressure to control the opening and closing of the exhaust port, the first elastic portion is straight and is matched with the exhaust port to be sealed, the first bending portion is arranged in a vertical length direction, the arc-shaped head portion is tightly attached to the exhaust port, stress is even when the arc-shaped head is bent, the exhaust valve sheet body is reduced, the impact force between the fixing portion when the exhaust valve sheet body is opened and the limiting plate, the air suction valve sheet, the transverse distance between the fixing portion and the exhaust valve sheet, the exhaust valve sheet is arranged, and the exhaust valve sheet, the exhaust valve sheet height of the exhaust valve sheet is reduced, and the exhaust valve sheet is prevented from being damaged when the exhaust valve sheet, and the exhaust valve sheet is damaged, and the exhaust valve sheet is prevented, and the exhaust valve sheet are damaged, and the exhaust valve sheet are also, and the air suction valve sheet are prevented.
The traditional exhaust valve plate mounting mode is that the mode that limiting plate and valve plate both compress tightly is fixed, has the requirement to the cooperation structure machining precision of limiting plate and valve plate. The traditional straight exhaust valve plate is inferior to the impact resistance of the head of the bent exhaust valve plate, and is easy to break under the high-frequency impact with the exhaust valve plate limiting plate, thereby influencing the reliability of the compressor.
Furthermore, the ratio of the length of the fixing part to the transverse total length of the exhaust valve plate ranges from 0.18 to 0.28.
The fixed part is used for cooperating with the portion that compresses tightly of limiting plate, and the length scope setting of fixed part can control the size of discharge valve piece deflection to influence exhaust efficiency and reset time, and then influence compressor performance, avoid the too big discharge valve piece that leads to of deflection and limiting plate impact and damage. The mounting hole is provided at the middle position of the fixing portion.
Furthermore, the ratio of the length of the first elastic part to the transverse total length of the connecting part ranges from 0.7 to 0.8, and the included angle between the first elastic part and the fixing part ranges from 0.5 degrees to 3 degrees.
Sufficient length and angle can be guaranteed in the size setting of first elasticity portion for convex head seals the gas vent, guarantees first bending portion full play effect when the exhaust simultaneously, reduces the impact force between discharge valve piece and the limiting plate.
Furthermore, the fixing part is connected with a reinforcing part in the vertical direction, and the reinforcing part is also provided with the mounting hole.
The reinforcing part with the mounting hole is arranged and matched with the compression part of the limiting plate, so that the stability of the installation of the exhaust valve plate is further enhanced, the displacement is avoided, and the structural matching is influenced.
Furthermore, the connecting part is also provided with at least one second bending part parallel to the first bending part.
Set up the second portion of bending and make the transition between first elasticity portion and the second elasticity portion more steady, be favorable to improving the leakproofness between convex head and the gas vent.
The utility model provides a be applied to compressor's valves, includes valve plate, limiting plate, contains foretell compressor's exhaust valve piece of being applied to, the limiting plate contains the portion that compresses tightly with fixed part complex, the portion that compresses tightly is opened there is the riveting hole, it has step hole and gas vent to open on the valve plate, riveting hole, mounting hole, step hole connect gradually through the rivet, parallel division has the multichannel with the recess that the connecting portion position corresponds on the valve plate, the width of recess is greater than the width of connecting portion.
Rivet cooperation riveting hole, mounting hole, the step hole is connected, moreover, the steam generator is simple in structure, high in stability, high in installation convenience, the portion that compresses tightly spacingly to the fixed part, guarantee the bending deformation of connecting portion and reset, there are the multichannel recess on this structure discharge valve piece complex valve plate, the bonding resistance between reducible valve piece in stage and the valve plate is bounced to the valve piece when exhausting, reduce the area of contact of valve piece and valve plate when the valve piece kick-backs, provide the buffering, the heat dissipation section, there is the promotion to the performance of compressor, noise and reliability. The tip of rivet is located the step downthehole, makes things convenient for the valves to install.
The exhaust valve block mounting mode is the riveting formula, and the exhaust valve block that compresses tightly the mounting mode than the tradition, the valve plate and the limiting plate's that its cooperation was installed structure simple relatively, be convenient for processing, assembly.
Furthermore, an annular groove is formed in the outer ring of the exhaust port, the diameter of the arc-shaped head is between the inner diameter and the outer diameter of the annular groove, and the limiting plate comprises a limiting part with an arc-shaped bottom surface.
The annular groove is arranged to reduce the bonding resistance between the valve plate and the valve plate, the diameter of the arc-shaped head can prevent the easily damaged part of the outer contour of the valve plate from being damaged due to impact, heat dissipation is facilitated, the limiting part is arc-shaped, damage to the exhaust valve plate is avoided, meanwhile, the limiting part is used for limiting the exhaust valve plate, damage caused by excessive deformation is avoided, and resetting is facilitated.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The bending part is arranged on the connecting part of the exhaust valve plate, so that the tilting of one side of the arc-shaped head part during installation is counteracted, the sealing property between the exhaust valve plate and the exhaust port during air suction is ensured, and the performance of the compressor is further improved;
(2) When the valve plate is opened, firstly, the bending arc part is contacted with the limiting plate, and the bending arc provides reverse elasticity for the head of the exhaust valve plate, so that a certain buffer effect is achieved on the slapping of the head of the valve plate and the limiting plate, the impact force on the head of the exhaust valve plate is reduced, the slapping noise of the valve plate is reduced, the risk of the head of the valve plate being broken is also reduced, and the integral noise of the compressor is reduced and the reliability of the compressor is improved;
(3) The exhaust valve plate, the limiting plate and the valve plate are mounted through the rivets, so that the valve group structure is simplified, the mounting is convenient, and the manufacturing cost is reduced;
(4) The valve plate is provided with the grooves and the annular grooves to match with the exhaust valve plate, so that the bonding resistance between the valve plate and the valve plate is reduced, the heat dissipation is facilitated, and the performance and the reliability of the valve set are improved.
Drawings
Fig. 1 is a front view of a discharge valve plate applied to a refrigeration compressor in embodiment 1 of the present invention;
fig. 2 is a bottom view of a discharge valve plate applied to a refrigeration compressor according to embodiment 1 of the present invention;
fig. 3 is a perspective view of a valve assembly applied to a refrigeration compressor in embodiment 1 of the present invention;
fig. 4 is a top view of a valve assembly applied to a refrigeration compressor according to embodiment 1 of the present invention;
fig. 5 is a front view of a discharge valve plate applied to a refrigeration compressor according to embodiment 2 of the present invention;
in the figure: 1. a fixed part; 2. mounting holes; 3. a first elastic part; 4. a second elastic part; 5. a first bending portion; 6. a circular arc-shaped head; 7. an exhaust port; 8. an annular groove; 9. a reinforcing portion; 10. a second bending portion; 11. a valve plate; 12. a limiting part; 13. a pressing part; 14. riveting holes; 15. a groove; 16. riveting; 17. a stepped bore.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-4, a be applied to compressor's discharge valve piece, including fixed part 1, it has mounting hole 2 to open on fixed part 1, even there is connecting portion one side of fixed part 1, connecting portion contain second elastic component 4, first bending 5 that connect gradually and towards the first elastic component 3 of 11 direction bendings of valve plate, first elastic component 3 contains and is used for the convex head 6 with the gas vent 7 complex of valve plate 11, first elastic component 3, second elastic component 4 are straight structure, the length direction setting of first bending 5 perpendicular to discharge valve piece, transverse distance L between the outside of first bending 5 and fixed part 1 2 Is 0.35-0.45 times of the transverse total length L of the exhaust valve plate, and the warping height 8 of the exhaust valve plate is 0.35 +/-0.2 mm. The warpage height 8 is h, and the warpage height 8 is a height difference of the upper surface or the lower surface of the exhaust valve sheet.
In the scheme, the exhaust valve plate is of a sheet structure, the fixing part 1 is installed on the valve plate 11 through the installation hole 2, the whole connecting part is of an elastic structure and can be bent and deformed to control the opening and closing of the exhaust port 7, the first elastic part 3 is bent towards the exhaust port 7 through the first bending part 5, so that the tilting of one side of the arc-shaped head part 6 when the fixing part 1 is fixed is counteracted, the sealing effect of the exhaust valve plate on the exhaust port 7 is ensured, the leakage is prevented from influencing the air suction and exhaust efficiency, the first bending part 5 can be formed through a bending process or a die, the first elastic part 3 is bent towards the valve plate 11, the diameter of the arc-shaped head part 6 of the first elastic part 3 is larger than that of the exhaust port 7 and is used for blocking the exhaust port 7 when air suction is carried out, and the first elastic part 3 and the second elastic part 4 are of a straight structure and are simple in structure, convenient processing, for the convenient switching that comes control gas vent 7 that receives atmospheric pressure effect bending of straight lamellar body, the straight setting of first elastic component 3, seal with gas vent 7 cooperation, the setting of 5 perpendicular length directions in first bending portion, make the whole even and gas vent 7 of convex head 6 paste tightly, the atress is even during bending deformation, when reducing the exhaust valve piece and open the impact between the limiting plate, transverse distance and the setting of warpage height 8 between the first bending portion 5 and the 1 outside of fixed part, the perk height that brings when can offsetting the installation of fixed part 1, guarantee when breathing in leakproofness between exhaust valve piece and gas vent 7, reduce the impact force between exhaust valve piece and limiting plate when the exhaust simultaneously, prevent that the exhaust valve piece from damaging.
The traditional exhaust valve plate mounting mode is fixed for the mode that limiting plate and valve plate 11 both compress tightly, has the requirement to the cooperation structure machining precision of limiting plate and valve plate 11. The traditional straight exhaust valve plate is inferior to the impact resistance of the head of the bent exhaust valve plate, and is easy to break under the high-frequency impact with the exhaust valve plate limiting plate, thereby influencing the reliability of the compressor.
Furthermore, the ratio of the length A of the fixing part 1 to the transverse total length L of the exhaust valve plate ranges from 0.18 to 0.28.
Fixed part 1 is used for cooperating with the 13 portions of compressing tightly of limiting plate, and the length scope setting of fixed part 1 can control the size of discharge valve piece deflection to influence exhaust efficiency and reset time, and then influence compressor performance, avoid the too big discharge valve piece that leads to of deflection and limiting plate impact and damage. The mounting hole 2 is provided at an intermediate position of the fixing portion 1.
Further, the length L of the first elastic part 3 1 Total transverse length L of the connecting part 0 The ratio of the first elastic part to the second elastic part is in the range of 0.7-0.8, and the included angle between the first elastic part 3 and the fixed part 1 is in the range of 0.5-3 degrees.
Sufficient length and angle can be guaranteed in the size setting of first elastic component 3 for convex head 6 seals up gas vent 7, guarantees simultaneously that first bending 5 full play acts on when exhausting, reduces the impact force between discharge valve piece and the limiting plate.
Furthermore, the fixing portion 1 is connected with a reinforcing portion 9 in the vertical direction, and the reinforcing portion 9 is also provided with the mounting hole 2.
The reinforcing part 9 with the mounting hole 2 is arranged and matched with the limiting plate pressing part 13, so that the stability of the installation of the exhaust valve plate is further enhanced, the displacement is avoided, and the structural matching is influenced. The two mounting holes 2 are arranged perpendicular to the length direction of the exhaust valve plate.
The utility model provides a be applied to compressor's valves, includes valve plate 11, limiting plate, contains foretell compressor's exhaust valve piece of being applied to, the limiting plate contains the portion 13 that compresses tightly with fixed part 1 complex, the portion 13 that compresses tightly is opened there is riveting hole 14, it has step hole 17 and gas vent 7 to open on the valve plate 11, riveting hole 14, mounting hole 2, step hole 17 connect gradually through rivet 16, parallel division has the multichannel on the valve plate 11 with the recess 15 that the connecting portion position corresponds, the width of recess 15 is greater than the width of connecting portion.
Through 16 cooperation riveting holes 14 of rivet, mounting hole 2, step hole 17 connects, moreover, the steam generator is simple in structure, high stability, high durability and convenient installation, it is spacing to compress tightly fixed part 1 in the portion of compressing tightly 13, guarantee the bending deformation of connecting portion and reset, there are multichannel recess 15 on this structure air discharge valve piece complex valve plate 11, the bonding resistance between reducible valve block in stage and the valve plate 11 is bounced to the valve block when exhausting, reduce the area of contact of valve block with valve plate 11 when the valve block kick-backs, provide the buffering, the heat dissipation section, performance to the compressor, noise and reliability have the promotion. The end of the rivet 16 is arranged in the step hole 17, so that the valve group can be conveniently installed.
The exhaust valve block mounting mode is the riveting formula, and the exhaust valve block that compresses tightly the mounting mode than the tradition, the valve plate 11 and the limiting plate's of its cooperation installation structure is simple relatively, is convenient for process, assembly.
Furthermore, an annular groove 18 is formed in the outer ring of the exhaust port 7, the diameter of the arc-shaped head 6 is between the inner diameter and the outer diameter of the annular groove 18, and the limiting plate comprises a limiting part 12 with an arc-shaped bottom surface.
The annular groove 18 is arranged to reduce the bonding resistance between the valve plate and the valve plate 11, the diameter of the circular arc-shaped head 6 can prevent the easily damaged part of the outer contour of the valve plate from being damaged due to impact, heat dissipation is facilitated, the limiting part 12 is arc-shaped to prevent the exhaust valve plate from being damaged, meanwhile, the limiting part provides limiting for the exhaust valve plate, deformation and damage caused by excessive deformation are avoided, and resetting is facilitated.
Example 2
As shown in fig. 5, the discharge valve plate and the valve set applied to the refrigeration compressor of this embodiment are further optimized based on embodiment 1:
further, the connecting portion is further provided with at least one second bending portion 10 parallel to the first bending portion 5.
The second bending part 10 is arranged to enable transition between the first elastic part 3 and the second elastic part 4 to be more stable, and sealing performance between the arc-shaped head part 6 and the exhaust port 7 is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a be applied to compressor's discharge valve piece, its characterized in that, includes the fixed part, it has the mounting hole to open on the fixed part, even there is connecting portion one side of fixed part, connecting portion contain the second elastic part that connects gradually, first bending portion and the first elastic part of bending towards the valve plate direction, first elastic part contains and is used for the convex head with the gas vent complex of valve plate, first elastic part, second elastic part are straight structure, the length direction setting of first bending portion perpendicular to discharge valve piece, transverse distance between first bending portion and the fixed part outside is 0.35-0.45 times of the horizontal total length of discharge valve piece, and the warpage height of discharge valve piece is 0.35 0.2mm.
2. The discharge valve plate applied to a refrigerating compressor according to claim 1, wherein the ratio of the length of the fixing portion to the overall transverse length of the discharge valve plate is in the range of 0.18-0.28.
3. The discharge valve sheet applied to a refrigerating compressor as recited in claim 1, wherein a ratio of a length of the first elastic portion to a transverse overall length of the connecting portion is in a range of 0.7-0.8, and an angle between the first elastic portion and the fixing portion is in a range of 0.5 ° -3 °.
4. The discharge valve sheet applied to a refrigerating compressor according to claim 1, wherein the fixing portion is connected with a reinforcing portion in a vertical direction, and the mounting hole is formed on the reinforcing portion.
5. The discharge valve sheet applied to a refrigerating compressor according to claim 1, wherein the connecting portion is further provided with at least one second bending portion parallel to the first bending portion.
6. A valve group applied to a refrigeration compressor comprises a valve plate and a limiting plate, and is characterized by comprising the exhaust valve plate applied to the refrigeration compressor as claimed in any one of claims 1 to 5, wherein the limiting plate comprises a pressing part matched with a fixing part, the pressing part is provided with a riveting hole, the valve plate is provided with a step hole and an exhaust port, the riveting hole, a mounting hole and the step hole are sequentially connected through a rivet, a plurality of grooves corresponding to the positions of the connecting parts are formed in the valve plate in parallel, and the width of each groove is greater than that of the connecting part.
7. The valve group applied to a refrigeration compressor as claimed in claim 6, wherein the outer ring of the exhaust port is provided with an annular groove, the diameter of the circular arc head part is between the inner diameter and the outer diameter of the annular groove, and the limiting plate comprises a limiting part with an arc bottom surface.
CN202221095974.9U 2022-05-09 2022-05-09 Be applied to compressor's discharge valve piece and valves Active CN217926214U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221095974.9U CN217926214U (en) 2022-05-09 2022-05-09 Be applied to compressor's discharge valve piece and valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221095974.9U CN217926214U (en) 2022-05-09 2022-05-09 Be applied to compressor's discharge valve piece and valves

Publications (1)

Publication Number Publication Date
CN217926214U true CN217926214U (en) 2022-11-29

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ID=84175339

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221095974.9U Active CN217926214U (en) 2022-05-09 2022-05-09 Be applied to compressor's discharge valve piece and valves

Country Status (1)

Country Link
CN (1) CN217926214U (en)

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