CN110792577A - Suction valve plate, cylinder head assembly, compressor and air conditioner - Google Patents
Suction valve plate, cylinder head assembly, compressor and air conditioner Download PDFInfo
- Publication number
- CN110792577A CN110792577A CN201911096728.8A CN201911096728A CN110792577A CN 110792577 A CN110792577 A CN 110792577A CN 201911096728 A CN201911096728 A CN 201911096728A CN 110792577 A CN110792577 A CN 110792577A
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- section
- suction valve
- valve plate
- exhaust
- cylinder head
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
- F04B39/1026—Adaptations or arrangements of distribution members the members being disc valves without spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
Abstract
The application provides an air suction valve piece, cylinder head subassembly, compressor and air conditioner, including valve piece body (11), be provided with air suction valve via hole and air suction valve (12) on valve piece body (11), air suction valve (12) lid is established on the air suction valve via hole, air suction valve (12) are including first canned paragraph, first canned paragraph is fixed on valve piece body (11), still be provided with on valve piece body (11) and cut apart groove (13), cut apart groove (13) and follow first canned paragraph cuts apart out a part. The suction valve plate provided by the embodiment of the invention can reduce the deformation resistance of the fixed section, increase the opening angle of the suction valve, increase the air inflow, improve the volumetric efficiency of the compressor cylinder and further improve the energy efficiency of the compressor.
Description
Technical Field
The application belongs to the technical field of air conditioning, and particularly relates to an air suction valve plate, a cylinder head assembly, a compressor and an air conditioner.
Background
The existing reciprocating compressor is a compressor which periodically changes the volume of a cylinder body through the reciprocating motion of a piston or a diaphragm in a cylinder and realizes the pressurization and the delivery of gas. Belongs to a volume type compressor. The reciprocating members are classified into piston type and diaphragm type compressors.
Reciprocating compressor all is provided with cylinder head subassembly structure, and including the suction valve piece in the cylinder head subassembly structure, be provided with the suction valve on the suction valve piece, current suction valve includes canned paragraph and shutoff section, but the width of canned paragraph is generally more than or equal to the shutoff section, and when the suction valve was opened, the canned paragraph resistance to deformation power was great, leads to opening angle less, and then leads to the volumetric efficiency of compressor cylinder low, has reduced the efficiency of compressor.
Disclosure of Invention
Therefore, the technical problem that this application will be solved provides an air suction valve piece, cylinder head subassembly, compressor and air conditioner, can reduce the resistance to deformation of fixed section, and the opening angle of increase air suction valve increases the air input, improves the volumetric efficiency of compressor cylinder, and then improves the efficiency of compressor.
In order to solve the problem, this application provides an air suction valve block, including the valve block body, be provided with air suction valve via hole and air suction valve on the valve block body, the air suction valve lid is established on the air suction valve via hole, the air suction valve includes first canned paragraph, first canned paragraph is fixed on the valve block body, still be provided with the cut-off groove on the valve block body, the cut-off groove will a part of first canned paragraph with other parts of first canned paragraph are cut apart.
Preferably, the dividing groove is a bar-shaped structure, two ends of the bar-shaped structure are located outside the first fixing section, and a middle section of the bar-shaped structure is located on the first fixing section.
Preferably, the dividing groove is arranged on the valve plate body in an arc shape to form an arc-shaped dividing groove, and a first exhaust through hole is formed in an area surrounded by the arc-shaped dividing groove.
Preferably, still be provided with second exhaust via hole and third exhaust via hole on the valve block body, the second exhaust via hole with third exhaust via hole symmetry sets up the both sides of first exhaust via hole.
Preferably, the first fixing section includes a first section located at a first side of the arc dividing groove and a second section located at a second side of the arc dividing groove, the second exhaust through hole is provided on the first section, and the third exhaust through hole is provided on the second section.
Preferably, the suction valve via hole comprises a necking section, the arc-shaped partition groove comprises a flaring section, the suction valve further comprises a first blocking section and a necking section, the first blocking section is located on one side, away from the first fixing section, of the suction valve, the blocking section is connected with the fixing section through the necking section, the necking section is located between the necking section and the flaring section, one end, connected with the necking section, of the first fixing section is a first end, the width of the first fixing section decreases in the direction towards the first end, one section, close to the necking section, of the first blocking section is a first section, and the width of the first section decreases in the direction towards the necking section.
In another aspect of the invention, a cylinder head assembly is provided, which comprises the above suction valve plate.
Preferably, the cylinder head subassembly still includes the valve plate, be provided with induction port and gas vent on the valve plate, the induction port with the induction valve air vent communicates with each other, when the suction valve piece includes the exhaust via hole, the gas vent with the exhaust via hole communicates with each other, the quantity of gas vent with the exhaust via hole quantity is the same, one the gas vent corresponds one the exhaust via hole setting.
Preferably, the suction port comprises a first curve section, the inner wall of the first curve section has an arc-shaped structure, and the cross section of the suction port decreases progressively along the flow direction.
Preferably, the exhaust port comprises an air outlet section, and the cross section of the air outlet section increases along the flow passing direction of the exhaust port.
Preferably, the cylinder head assembly further comprises a vent valve plate, the vent valve plate comprises a vent valve plate body and a vent valve, the vent valve comprises a second fixing section, a second plugging section and a transition section, the second plugging section is covered on the vent, the second fixing section is fixed on the vent valve plate body, the transition section is arranged between the second fixing section and the second plugging section, and the transition section is gradually increased from one end close to the second plugging section to the width of one end far away from the second plugging section.
Preferably, the cylinder head assembly further comprises a cylinder cover, the cylinder cover is provided with lift limiters, the number of the lift limiters is the same as that of the exhaust valves, and the lift limiters are arranged corresponding to the exhaust valves.
In another aspect of the present invention, a compressor is provided, which includes the above suction valve plate or cylinder head assembly.
In another aspect of the present invention, an air conditioner is provided, which includes the above suction valve plate or cylinder head assembly.
Advantageous effects
The suction valve plate provided by the embodiment of the invention can reduce the deformation resistance of the fixed section, increase the opening angle of the suction valve, increase the air inflow, improve the volumetric efficiency of the compressor cylinder and further improve the energy efficiency of the compressor.
Drawings
FIG. 1 is a schematic structural diagram of an intake valve sheet according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a valve plate according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of an exhaust valve plate according to an embodiment of the present application;
FIG. 4 is a schematic perspective view of an exhaust valve plate according to an embodiment of the present application;
FIG. 5 is a side cross-sectional view of a discharge valve plate according to an embodiment of the present application;
FIG. 6 is a schematic structural view of a cylinder head according to an embodiment of the present application;
fig. 7 is a schematic structural view of a cylinder head assembly according to an embodiment of the present application.
The reference numerals are represented as:
1. an air suction valve plate; 11. a valve plate body; 12. an air intake valve; 121. a first segment; 122. a second section; 13. dividing the groove; 14. a tongue-shaped valve plate; 151. a first exhaust via; 152. a second vent via; 153. a third vent via; 16. an exhaust through hole; 2. a valve plate; 21. an air suction port; 211. a first curve segment; 221. a first exhaust port; 2211. an air outlet section; 222. a second exhaust port; 223. a third exhaust port; 3. an exhaust valve plate; 31. a suction through hole; 321. a first exhaust valve; 322. a second exhaust valve; 323. a third exhaust valve; 4. a cylinder head; 41. a lift limiter.
Detailed Description
Referring to fig. 1 to 7 in combination, according to an embodiment of the present application, an air suction valve sheet includes a valve sheet body 11, an air suction valve via hole and an air suction valve 12 are provided on the valve sheet body 11, the air suction valve 12 is covered on the air suction valve via hole, the air suction valve 12 includes a first fixing section, the first fixing section is fixed on the valve sheet body 11, a partition groove 13 is further provided on the valve sheet body 11, and the partition groove 13 partitions a part of the first fixing section from other parts of the first fixing section. The dividing groove 13 is arranged on the fixed section of the suction valve 12, the first fixed section is divided into a part, the width of the first fixed section is reduced, namely the sum of the maximum widths of the first section 121 and the second section 122 is smaller than the maximum width of the first fixed section, the deformation resistance generated when the first fixed section is bent can be effectively reduced, in the same suction pressure, the opening angle of the suction valve 12 in the application is larger than that of the suction valve 12 in the prior art, the opening angle of the suction valve 12 is increased, the air inflow is increased, the volumetric efficiency of a compressor cylinder is improved, and the energy efficiency of the compressor is further improved.
Further, the first blocking section has an oval structure and is used for closing the air suction port 21, the first blocking section is set to be the oval structure, the air suction port 21 with a larger area can be blocked, the air suction port 21 with the larger area can improve the air suction amount of the compressor, and the volumetric efficiency of the compressor is increased.
Further, the suction valve sheet 1 is integrally formed with the suction valve 12.
The dividing groove 13 is a bar-shaped structure, two ends of the bar-shaped structure are located outside the first fixed section, and the middle section of the bar-shaped structure is located on the first fixed section. To further reduce the width of the first and second segments 121 and 122, reducing the resistance of the fixation segments to deformation.
Specifically, the dividing groove 13 is arc-shaped and is arranged on the valve block body 11, the arc-shaped dividing groove is formed, the first exhaust through hole 151 is formed in the area surrounded by the arc-shaped dividing groove, the space of the valve block body 11 is saved, the exhaust through holes can be arranged on the valve block body 11 in an excessive mode, more exhaust holes are formed due to the fact that the exhaust through holes correspond to the exhaust holes, more exhaust ports are formed, the exhaust amount is increased, the volumetric efficiency of a compressor cylinder can be improved, and the energy efficiency of the compressor is improved.
Further, the valve plate body 11 is cut by the dividing groove 13, so that two sides of the valve plate body 11 are communicated.
Furthermore, the area surrounded by the dividing groove 13 is divided by the dividing groove 13 to form a tongue-shaped valve plate 14, one end of the tongue-shaped valve plate 14, which is far away from the suction valve 12, is arranged on the valve plate body 11, and one end of the tongue-shaped valve plate 14, which is close to the suction valve 12, is away from the valve plate body 11.
Still be provided with second exhaust via hole 152 and third exhaust via hole 153 on the valve block body 11, second exhaust via hole 152 and third exhaust via hole 153 symmetry set up in the both sides of first exhaust via hole 151, through setting up a plurality of exhaust via holes, have increased the displacement, can improve the volumetric efficiency of compressor cylinder, and then improve the efficiency of compressor.
Further, the centers of the first exhaust through hole 151, the second exhaust through hole 152 and the third exhaust through hole 153 are located on the same circumference.
Specifically, the first fixed section comprises a first section 121 and a second section 122, the first section 121 is located on the first side of the arc-shaped dividing groove, the second section 122 is located on the second side of the arc-shaped dividing groove, the second exhaust through hole 152 is formed in the first section 121, and the third exhaust through hole 153 is formed in the second section 122, so that the deformation resistance of the first fixed section is further reduced, the opening angle of the suction valve 12 is increased, the air inflow is increased, the volumetric efficiency of a compressor cylinder is improved, and the energy efficiency of the compressor is further improved.
The suction valve via hole includes the necking down section, and the arc cut apart the groove and includes the flaring section, and suction valve 12 still includes first shutoff section and necking down section, and first shutoff section is located suction valve 12 and keeps away from one side of first canned paragraph, and the necking down section is connected shutoff section and canned paragraph, and the necking down section is located between necking down section and the flaring section, first canned paragraph with the one end that the necking down section meets is first end, first canned paragraph is along the orientation the direction width of first end diminishes, first shutoff section is close to one section of necking down section is first section, first section is diminishing along the direction width of orientation necking down section. The maximum stress can be concentrated on the fixed section of the suction valve 12 and one end of the tongue-shaped valve plate 14 far away from the suction valve 12, and the suction valve 12 is prevented from being cracked.
Further, the valve plate body 11 is further provided with an exhaust through hole 16.
In another aspect of the present embodiment, a cylinder head assembly is provided, which includes the above suction valve plate 1.
The cylinder head assembly further comprises a valve plate 2, wherein the valve plate 2 is provided with an air suction port 21 and an air exhaust port, the air suction port 21 is communicated with the air vent of the air suction valve 12, when the air suction valve plate comprises air exhaust through holes, the air exhaust port is communicated with the air exhaust through holes, the number of the air exhaust ports is the same as that of the air exhaust through holes, and one air exhaust port corresponds to one air exhaust through hole. Be provided with 3 gas vents in this embodiment, through setting up a plurality of gas vents, promote the cold volume operating range of compressor to improve the volumetric efficiency of compressor, reduced vibration noise, satisfy safe and reliable operation. Meanwhile, the response frequency of the air valve is improved, the backflow problem caused by delayed closing of the valve plate is reduced, the volume efficiency of high frequency points is greatly improved, and the refrigerating capacity range of the compressor is improved.
Further, the first exhaust port 221 is located between the second exhaust port 222 and the third exhaust port 223.
The suction port 21 includes a first curved section 211, an inner wall of the first curved section 211 has a cambered surface structure, and a cross section of the first exhaust port 221 decreases progressively along the flow direction. Through setting up the cambered surface structure, can make the atress of valve block 1 of breathing in the in-process more even, avoid on the valve plate 2 suction port department 21 to warp, be favorable to improving the efficiency of breathing in, reduce the resistance of breathing in, improve effective inspiratory capacity.
Further, the air suction port 21 further includes a second curved section, a third curved section, and a fourth curved section, the second curved section is disposed opposite to the first curved section 211, one end of the third curved section is connected to the first curved section 211, the other end is connected to the second curved section, one end of the fourth curved section is connected to the first curved section 211, the other end is connected to the second curved section, and the openings of the first curved section 211 and the second curved section face the same side.
The gas vent is including giving vent to anger section 2211, and the section of the direction of overflowing along the gas vent of giving vent to anger section 2211 increases progressively, can furthest's improvement displacement, slows down exhaust resistance and pulsation, reduces the noise.
The cylinder head assembly further comprises an exhaust valve plate 3, the exhaust valve plate 3 comprises an exhaust valve plate body and an exhaust valve, the exhaust valve comprises a second fixing section, a second plugging section and a transition section, the second plugging section is covered on the exhaust port, the second fixing section is fixed on the exhaust valve plate body, the transition section is arranged between the second fixing section and the second plugging section, and the transition section is gradually increased from one end close to the second plugging section to the width of one end far away from the second plugging section. In the working process of integrating the cylinder head assembly and the compressor, the stress of the fixed section of the exhaust valve plate 3 is dispersed, and the valve plate is prevented from being broken.
Further, the transition section has an isosceles trapezoid structure.
Further, the number of the exhaust valve plates 3 is three, and the three exhaust valve plates 3 are arranged corresponding to the three exhaust ports, i.e. one exhaust valve plate 3 corresponds to one exhaust port.
Specifically, the first exhaust valve 321 corresponds to the first exhaust port 221, the second exhaust valve 322 corresponds to the second exhaust port 222, and the third exhaust valve 323 corresponds to the third exhaust port 223.
Further, the exhaust valve plate 3 is further provided with an air suction through hole 31, and the air suction through hole 31 is communicated with the air suction port 21.
Further, the cylinder head assembly further comprises a cylinder cover 4, and the air suction valve plate 1, the air discharge valve plate 3 and the valve plate 2 are all fixed on the cylinder cover 4 through bolts.
Further, the exhaust valve plate 3 is attached to the cylinder cover 4, the valve plate 2 is located on one side, away from the cylinder cover 4, of the exhaust valve plate 3, and the suction valve plate 1 is located on one side, away from the cylinder cover 4, of the valve plate 2.
The cylinder head assembly further comprises a cylinder cover 4, wherein the cylinder cover 4 is provided with lift limiters 41, the number of the lift limiters 41 is the same as that of the exhaust valves, and the lift limiters 41 are arranged corresponding to the exhaust valves.
Further, the cylinder head 4 is provided with three lift stoppers 41 provided corresponding to the first exhaust valve 321, the second exhaust valve 322, and the third exhaust valve 323, respectively.
In another aspect of the present embodiment, a compressor is provided, which includes the above-mentioned suction valve plate 1 and cylinder head assembly.
In another aspect of the present embodiment, an air conditioner is provided, which includes the above suction valve plate 1 and cylinder head assembly.
The suction valve plate 1 provided by the embodiment of the invention can reduce the deformation resistance of the fixed section, increase the opening angle of the suction valve 12, increase the air inflow, improve the volumetric efficiency of a compressor cylinder and further improve the energy efficiency of the compressor.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (14)
1. The utility model provides an air suction valve plate, its characterized in that, includes valve block body (11), be provided with air suction valve via hole and air suction valve (12) on valve block body (11), air suction valve (12) lid is established on the air suction valve via hole, air suction valve (12) include first canned paragraph, first canned paragraph is fixed on valve block body (11), still be provided with on valve block body (11) and cut apart groove (13), cut apart groove (13) will a part of first canned paragraph with other parts of first canned paragraph are cut apart.
2. Suction valve plate according to claim 1, characterized in that the dividing groove (13) is a strip-shaped structure, the two ends of the strip-shaped structure are located outside the first fixing section, and the middle section of the strip-shaped structure is located on the first fixing section.
3. The suction valve plate according to claim 1, wherein the dividing groove (13) is arcuately arranged on the valve plate body (11) to form an arcuately shaped dividing groove, and a first exhaust through hole (151) is provided in an area surrounded by the arcuately shaped dividing groove.
4. The suction valve plate according to claim 3, wherein a second exhaust through hole (152) and a third exhaust through hole (153) are further arranged on the valve plate body (11), and the second exhaust through hole (152) and the third exhaust through hole (153) are symmetrically arranged at two sides of the first exhaust through hole (151).
5. The suction valve plate according to claim 4, wherein the first fixing segment includes a first segment (121) and a second segment (122), the first segment (121) is located at a first side of the arc-shaped dividing groove, the second segment (122) is located at a second side of the arc-shaped dividing groove, the second exhaust through hole (152) is provided on the first segment (121), and the third exhaust through hole (153) is provided on the second segment (122).
6. The suction valve plate according to claim 3, wherein the suction valve passage hole comprises a constricted section, the arc-shaped dividing groove comprises a flared section, the suction valve (12) further comprises a first blocking section and a constricted section, the first blocking section is located on one side of the suction valve (12) away from the first fixing section, the constricted section connects the first blocking section with the first fixing section, the constricted section is located between the constricted section and the flared section, one end of the first fixing section connected with the constricted section is a first end, the width of the first fixing section decreases progressively in the direction towards the first end, one section of the first blocking section close to the constricted section is a first section, and the width of the first section decreases progressively in the direction towards the constricted section.
7. A cylinder head assembly comprising a suction valve plate according to any one of claims 1-6.
8. The cylinder head assembly according to claim 7, further comprising a valve plate (2), wherein the valve plate (2) is provided with a suction port (21) and a discharge port, the suction port (21) is communicated with the ventilation hole of the suction valve (12), when the suction valve plate includes discharge through holes, the discharge port is communicated with the discharge through holes, the number of the discharge ports is the same as the number of the discharge through holes, and one discharge port is disposed corresponding to one discharge through hole.
9. The cylinder head assembly according to claim 8, characterized in that the suction port (21) comprises a first curved section (211), the inner wall of the first curved section (211) having an arc-shaped configuration, the suction port (21) decreasing in cross-section in the flow direction.
10. The cylinder head assembly of claim 8, wherein the exhaust port comprises an air outlet section (2211), and the air outlet section (2211) has an increasing cross section along a flow direction of the exhaust port.
11. The cylinder head assembly according to claim 8, further comprising a vent valve plate (3), wherein the vent valve plate (3) comprises a vent valve plate body and a vent valve, the vent valve comprises a second fixing section, a second plugging section and a transition section, the second plugging section is covered on the vent, the second fixing section is fixed on the vent valve plate body, the transition section is arranged between the second fixing section and the second plugging section, and the width of the transition section increases from one end close to the second plugging section to one end far away from the second plugging section.
12. The cylinder head assembly according to claim 11, characterized in that it further comprises a cylinder head (4), said cylinder head (4) being provided with a number of lift stops (41), said lift stops (41) being the same number as said exhaust valves, said lift stops (41) being provided in correspondence with said exhaust valves.
13. A compressor, characterized by comprising a suction valve plate according to any one of claims 1 to 7 or a cylinder head assembly according to any one of claims 8 to 12.
14. An air conditioner characterised by comprising a suction valve plate according to any one of claims 1 to 7 or a cylinder head assembly according to any one of claims 8 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911096728.8A CN110792577A (en) | 2019-11-11 | 2019-11-11 | Suction valve plate, cylinder head assembly, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911096728.8A CN110792577A (en) | 2019-11-11 | 2019-11-11 | Suction valve plate, cylinder head assembly, compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110792577A true CN110792577A (en) | 2020-02-14 |
Family
ID=69443930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911096728.8A Pending CN110792577A (en) | 2019-11-11 | 2019-11-11 | Suction valve plate, cylinder head assembly, compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110792577A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374672A (en) * | 2021-07-12 | 2021-09-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Valve plate assembly, compressor and refrigerator with same |
| CN115288981A (en) * | 2022-08-22 | 2022-11-04 | 青岛万宝压缩机有限公司 | Frequency conversion compressor valve group structure and frequency conversion compressor |
-
2019
- 2019-11-11 CN CN201911096728.8A patent/CN110792577A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374672A (en) * | 2021-07-12 | 2021-09-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Valve plate assembly, compressor and refrigerator with same |
| CN115288981A (en) * | 2022-08-22 | 2022-11-04 | 青岛万宝压缩机有限公司 | Frequency conversion compressor valve group structure and frequency conversion compressor |
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