CN218093428U - Integrated back pressure plate, static disc assembly, scroll compressor and refrigeration equipment - Google Patents
Integrated back pressure plate, static disc assembly, scroll compressor and refrigeration equipment Download PDFInfo
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- CN218093428U CN218093428U CN202222330480.0U CN202222330480U CN218093428U CN 218093428 U CN218093428 U CN 218093428U CN 202222330480 U CN202222330480 U CN 202222330480U CN 218093428 U CN218093428 U CN 218093428U
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- 230000003068 static effect Effects 0.000 title claims abstract description 19
- 238000005057 refrigeration Methods 0.000 title claims abstract description 10
- 238000007906 compression Methods 0.000 claims description 26
- 230000006835 compression Effects 0.000 claims description 25
- 238000003825 pressing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000000670 limiting effect Effects 0.000 description 20
- 238000007667 floating Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
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Abstract
The utility model discloses an integrated form back pressure board, quiet dish subassembly, scroll compressor and refrigeration plant, wherein, this integrated form back pressure board for with quiet whirlpool dish cooperation, the integrated form back pressure board includes: a back pressure plate; the stopper is fixed on one side of the back pressure plate close to the static scroll disk; and the pressure relief valve block is arranged on one side of the stopper, which deviates from the back pressure plate. The technical scheme of the utility model can install the location to the pressure release valve block comparatively easily, guarantee the assembly precision and the sealing reliability of pressure release valve.
Description
Technical Field
The utility model relates to a compressor field, in particular to integrated form back pressure plate, quiet dish subassembly, scroll compressor and refrigeration plant.
Background
In the related art, a scroll compressor includes a fixed scroll, an orbiting scroll, and a crankshaft, and when the crankshaft drives the orbiting scroll to move relative to the fixed scroll, a plurality of compression chambers are formed between the orbiting scroll and the fixed scroll, and suction, compression, and discharge of a refrigerant are implemented in the compression chambers. When the compressor is operated under the working condition with a small pressure ratio, the performance of the compressor is affected by over-compression of the compressor. Design optimization is often carried out to the operating mode of low-pressure ratio in high-efficient compressor, sets up middle pressure release hole on quiet whirlpool dish to reach the compression chamber and exhaust in advance and reduce the purpose of excessive compression loss.
The pressure relief valve of the existing scroll compressor with the pressure relief valve is arranged on the static scroll, the pressure relief valve generally comprises a pressure relief valve plate, a limiter and a fastener, and when the pressure relief valve plate is assembled, the pressure relief valve plate is clamped between the static scroll and the limiter and then is locked and fixed through the fastener. Because the installation part of the pressure release valve on the back of the static vortex disc is often designed into a plane, the pressure release valve block is difficult to install and position, the pressure release valve block is easy to cause poor sealing, and the position of the pressure release valve block and the position of the limiter are offset, so that the opening resistance of the pressure release valve block is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective provides an integrated form back pressure board aims at can installing the location to the pressure release valve block comparatively easily, guarantees the assembly precision and the sealing reliability of pressure release valve.
In order to achieve the above object, the utility model provides an integrated form back pressure board for with the cooperation of quiet whirlpool dish, integrated form back pressure board includes:
a back pressure plate;
the stopper is fixed on one side of the back pressure plate close to the static scroll disk; and
and the pressure relief valve plate is arranged on one side of the stopper departing from the back pressure plate.
In one embodiment, one side of the stopper, which is far away from the back pressure plate, is provided with a first limiting surface and a second limiting surface, the first limiting surface is used for pressing the pressure relief valve plate and the fixed scroll, and the second limiting surface inclines towards one side, which is far away from the fixed scroll, relative to the first limiting surface so as to form an activity space for the pressure relief valve plate to move.
In one embodiment, the pressure relief valve plate and the stopper are correspondingly provided with fixing holes for fasteners to penetrate through, and the pressure relief valve plate is fixedly connected with the stopper through the fasteners.
In one embodiment, the retainer is integrally formed with the back pressure plate.
In one embodiment, a groove is formed in one side, close to the fixed scroll, of the back pressure plate, and the stopper is fixed in the groove.
The utility model also provides a quiet dish subassembly, include:
the static vortex disc is provided with static vortex teeth on one side and a pressure relief hole; and
the integrated back pressure plate is arranged on one side, away from the fixed scroll teeth, of the fixed scroll, and an active space for the pressure relief valve plate to open or block the pressure relief hole is defined between the limiter and the fixed scroll.
In one embodiment, the pressure relief valve plate and the limiter are fixed through a fastener, the fastener is provided with an end head protruding out of the surface of the pressure relief valve plate, and the fixed scroll is provided with a sinking groove for accommodating the end head.
In one embodiment, a recess is provided in a side of the fixed scroll facing away from the fixed scroll teeth, and the integrated back pressure plate is received in the recess.
In one embodiment, the back pressure plate and the fixed scroll are correspondingly provided with connecting holes for a positioning fastener to penetrate through, and the back pressure plate is fixed with the fixed scroll through the positioning fastener.
The utility model discloses still provide a scroll compressor, include:
the stationary disc assembly as described above; and
and the movable scroll disk is arranged on one side of the static scroll disk, which is provided with the movable scroll teeth, and the movable scroll disk and the static scroll teeth are mutually matched to form a compression chamber.
The utility model also provides a refrigeration plant, include as above scroll compressor.
The technical proposal of the utility model is to limit the position the device and the pressure relief valve plate are integrated on the back pressure plate. So, the pressure release valve block is arranged in the one side that the stopper deviates from the backpressure board, also the pressure release valve block is in the outside of stopper and is not sheltered from, when fixing pressure release valve block and stopper, can install the location through anchor clamps to the pressure release valve block easily to make the pressure release valve block can accurately install on the stopper and can not take place the biasing, thereby guarantee the assembly precision and the sealing reliability of pressure release valve, and can also promote assembly efficiency, reduction in production cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of an integrated back pressure plate of the present invention;
FIG. 2 is an exploded view of the integrated back pressure plate of FIG. 1;
fig. 3 is an exploded view of an embodiment of the stationary plate assembly of the present invention;
fig. 4 is a schematic cross-sectional view of an embodiment of the scroll compressor of the present invention.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | Integrated |
20 | |
| 11 | |
21 | |
| 111 | |
22 | |
| 112 | Connecting |
23 | |
| 12 | |
30 | |
| 121 | |
40 | Dynamic vortex disk |
| 122 | A |
50 | |
| 123 | |
60 | |
| 13 | Pressure |
70 | |
| 14 | Fastening |
80 | Crankshaft |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the expression "and/or" and/or "is used throughout, the meaning includes three parallel schemes, for example," A and/or B ", including scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an integrated form back pressure plate 10.
Referring to fig. 1 to 3, in an embodiment of the present invention, the integrated back pressure plate 10 is used for cooperating with the fixed scroll 20, and the integrated back pressure plate 10 includes a back pressure plate 11, a stopper 12 and a pressure relief valve plate 13. The limiter 12 is fixed on one side of the back pressure plate 11 close to the fixed scroll disk 20; the pressure relief valve plate 13 is installed on one side of the limiter 12 departing from the back pressure plate 11.
Specifically, the back pressure plate 11 is used for being installed at one side of the fixed scroll 20, the fixed scroll 20 is provided with a pressure relief hole, and an active space for opening or blocking the pressure relief hole by the pressure relief valve plate 13 is defined between the stopper 12 and the fixed scroll 20. Referring to fig. 4, the integrated back pressure plate 10 is used in a scroll compressor, the scroll compressor includes a movable scroll 40 and a fixed scroll 20, the movable scroll 40 is provided with a movable scroll wrap, the fixed scroll 20 is provided with a fixed scroll wrap 21, the movable scroll wrap and the fixed scroll wrap 21 cooperate with each other to form a plurality of compression chambers, and the suction, compression and discharge of refrigerant are realized in the compression chambers. The integrated back pressure plate 10 is installed on one side, far away from the movable scroll 40, of the fixed scroll 20 through the back pressure plate 11, the scroll compressor further comprises a floating plate 30 arranged on one side, far away from the fixed scroll 20, of the back pressure plate 11, the back pressure plate 11 is fixedly connected with the fixed scroll 20, the floating plate 30 can move relative to the back pressure plate 11, a back pressure cavity is formed between the floating plate 30 and the back pressure plate 11, and the back pressure cavity is communicated with a compression chamber. When the orbiting scroll 40 and the fixed scroll 20 rotate relatively to each other to perform a compression operation, gas in the compression chamber applies pressure to the back pressure chamber, thereby pushing the floating plate 30, and the floating plate 30 applies pressure to the back pressure chamber in a reverse direction due to a limiting effect, thereby pressing the fixed scroll 20 to the orbiting scroll 40.
In order to prevent excessive compression in the compression chamber, the fixed scroll 20 is provided with a pressure relief hole communicating with the compression chamber. A limiter 12 is fixed on one side of the back pressure plate 11 close to the fixed scroll 20, and a pressure relief valve plate 13 is fixed on one side of the limiter 12 departing from the back pressure plate 11. The stopper 12 may be fixed to the back pressure plate 11 by welding, fastening, or the like, or the stopper 12 may be integrally formed with the back pressure plate 11. The pressure relief valve plate 13 includes, but is not limited to, being fixed to the stopper 12 by welding, fastening, etc. When the back pressure plate 11 and the fixed scroll 20 are assembled, the pressure relief valve plate 13 is sandwiched between the stopper 12 and the fixed scroll 20, and an active space for opening or closing the pressure relief hole by the pressure relief valve plate 13 is defined between the stopper 12 and the fixed scroll 20. Under normal working conditions, the pressure relief valve plate 13 blocks the pressure relief hole, and when the air pressure in the compression chamber exceeds a certain pressure, the pressure relief valve plate 13 opens the pressure relief hole under the action of pressure difference so as to reduce the pressure in the compression chamber. In addition, when the fixed scroll 20 is provided with a plurality of pressure relief holes, the back pressure plate 11 may be provided with a plurality of stoppers 12 and a plurality of pressure relief valve plates 13, respectively. For example, in the present embodiment, the fixed scroll 20 is provided with two pressure relief holes, the back pressure plate 11 is provided with two stoppers 12, each stopper 12 is fixed with one pressure relief valve plate 13, and the pressure relief valve plates 13 are arranged in one-to-one correspondence with the pressure relief holes. Of course, in some embodiments, the plurality of pressure relief valve plates 13 may also be made into a connected structure to increase the structural strength.
In the conventional technology, the pressure relief valve plate 13 and the stopper 12 are both mounted on the back of the fixed scroll 20, and the pressure relief valve plate 13 is sandwiched between the fixed scroll 20 and the stopper 12, because the back of the fixed scroll 20 is generally a planar structure with a large area, and the pressure relief valve plate 13 has a small area and a small thickness, the pressure relief valve plate 13 is difficult to mount and position by a clamp, and the pressure relief valve plate 13 is easy to be mounted and biased.
The technical scheme of the utility model through with stopper 12 and pressure release valve block 13 all integrated on back pressure plate 11. So, pressure release valve block 13 arranges the one side that stopper 12 deviates from backpressure board 11 in, also be that pressure release valve block 13 is in stopper 12's the outside and not sheltered from, when fixing pressure release valve block 13 and stopper 12, can install the location through anchor clamps to pressure release valve block 13 easily, so that pressure release valve block 13 can accurately install on stopper 12 and can not take place the biasing, thereby guarantee pressure release valve's assembly precision and sealing reliability, and can also promote assembly efficiency, and production cost is reduced.
Referring to fig. 2, in one embodiment, a first limiting surface 122 and a second limiting surface 123 are disposed on a side of the limiter 12 away from the back pressure plate 11, the first limiting surface 122 is used for pressing the pressure relief valve plate 13 against the fixed scroll 20, and the second limiting surface 123 is inclined toward the side away from the fixed scroll 20 relative to the first limiting surface 122 to form an activity space for the pressure relief valve plate 13 to move.
In this embodiment, the stopper 12 is a long-strip block structure, a first stopper surface 122 and a second stopper surface 123 are disposed on a side of the stopper 12 away from the back pressure plate 11, and the first stopper surface 122 and the second stopper surface 123 are arranged side by side along a length direction of the stopper 12. The first limiting surface 122 is arranged in a plane, the second limiting surface 123 has a certain inclination angle relative to the first limiting surface 122, and the second limiting surface 123 can be designed into an inclined plane or an arc-shaped surface. Pressure release valve block 13 is rectangular sheet structure, and pressure release valve block 13 includes interconnect's fixed head and valve block foot, and accessible welding or modes such as fastener 14 is connected are fixed together between fixed head and the first spacing face 122, and the valve block foot sets up with the spacing face 123 of second is relative. After the back pressure plate 11 and the fixed scroll 20 are assembled, the fixed head of the pressure relief valve plate 13 and the fixed scroll 20 can be pressed tightly by the first limiting surface 122 of the limiter 12, so that the pressure relief valve plate 13 is tightly attached to the static pressure disc, and the sealing reliability is ensured. A certain space is formed between the second limiting surface 123 of the limiter 12 and the fixed scroll 20 to form an active space for the valve plate foot to move, so that the valve plate foot can open or close the pressure relief hole under the action of pressure difference. And after the valve plate foot is opened a certain angle, the movement of the valve plate foot can be limited through the second limiting surface 123, so that the valve plate foot is prevented from being broken easily due to excessive movement.
In order to facilitate the assembly of the relief valve plate 13 and the stopper 12, in one embodiment, the relief valve plate 13 and the stopper 12 are correspondingly provided with fixing holes 121 for the fasteners 14 to penetrate, and the relief valve plate 13 is fixedly connected with the stopper 12 through the fasteners 14. During assembly, after the pressure relief valve plate 13 and the stopper 12 are positioned, the fastening piece 14 sequentially penetrates through the fixing holes 121 of the pressure relief valve plate 13 and the stopper 12 to be locked and fixed. The fasteners 14 include, but are not limited to, screws, rivets, etc.
In one embodiment, the stopper 12 is integrally formed with the back pressure plate 11. Specifically, the stopper 12 may be integrally formed on the back pressure plate 11 by casting, powder metallurgy, machining, or the like, so that the assembling process between the stopper 12 and the back pressure plate 11 may be omitted, and the number of parts and the cost may be reduced.
In one embodiment, a groove 111 is formed on one side of the back pressure plate 11 close to the fixed scroll 20, and the stopper 12 is fixed in the groove 111. Through being fixed in recess 111 with stopper 12, when back clamp plate 11 and quiet vortex disk 20 assembly for the terminal surface of back clamp plate 11 can be laminated with quiet vortex disk 20 better, with the leakproofness of guaranteeing between back clamp plate 11 and the quiet vortex disk 20.
Referring to fig. 3 and 4, the present invention further provides a stationary disc assembly, which includes a stationary scroll 20 and an integrated back pressure plate 10. One side of the fixed scroll disk 20 is provided with a fixed scroll tooth 21, and the fixed scroll disk 20 is provided with a pressure relief hole; the back pressure plate 11 of the integrated back pressure plate 10 is installed on one side of the fixed scroll 20 away from the fixed scroll teeth 21, and an active space for opening or closing the pressure relief hole by the pressure relief valve plate 13 is defined between the stopper 12 and the fixed scroll 20. The specific structure of the integrated back pressure plate 10 refers to the above embodiments, and since the static disk assembly adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
Referring to fig. 2 and 3, in one embodiment, the pressure relief valve plate 13 and the stopper 12 are fixed by a fastening member 14, the fastening member 14 has a tip protruding from a surface of the pressure relief valve plate 13, and the fixed scroll 20 is provided with a sunken groove 22 for receiving the tip. In the embodiment, the sunk groove 22 is formed in the fixed scroll 20 to avoid the end of the fastening piece 14, so that the pressure relief valve plate 13 can be attached to the fixed scroll 20 more tightly, and the sealing reliability is further improved. For example, in the present embodiment, the fastening member 14 may be a screw, the screw includes a head and a screw post, the head is provided with a screwing hole for inserting a screwing tool, the pressure relief valve sheet 13 and the stopper 12 are correspondingly provided with fixing holes 121, wherein the fixing hole 121 of the pressure relief valve sheet 13 may be a through hole, and the fixing hole 121 of the stopper 12 may be a threaded hole. During assembly, a screw column of a screw penetrates through a through hole of the pressure relief valve plate 13 and is connected with a threaded hole of the limiter 12, and the pressure relief valve plate 13 and the limiter 12 can be locked and fixed. When the back pressure plate 11 and the fixed scroll 20 are assembled, the ends of the screws can be received in the sunken grooves 22 of the fixed scroll 20.
In one embodiment, a cavity 23 is formed on a side of the fixed scroll 20 facing away from the fixed scroll teeth 21, and the integrated back pressure plate 10 is received in the cavity 23. By providing the cavity 23, the back pressure plate 11 can be quickly assembled with the fixed scroll 20. In addition, the gap between the fixed scroll 20 and the back pressure plate 11 can be shielded by the inner side surface of the concave cavity 23, so that the sealing performance between the back pressure plate 11 and the fixed scroll 20 can be improved, and the efficiency of the scroll compressor can be improved.
As shown in fig. 2, in one embodiment, the back pressure plate 11 and the fixed scroll 20 are correspondingly provided with a connecting hole 112 for a positioning fastener to pass through, and the back pressure plate 11 is fixed with the fixed scroll 20 through the positioning fastener. In this embodiment, the back pressure plate 11 and the fixed scroll 20 are locked and fixed by a positioning fastener having a positioning function, so that the assembly precision between the back pressure plate 11 and the fixed scroll 20 is higher, the sealing length of the pressure relief hole between the pressure relief valve plate 13 and the fixed scroll 20 is further ensured, the fixed scroll 20 and the pressure relief valve plate 13 are kept attached, the head of the stopper 12 of the back pressure plate 11 compresses the pressure relief valve plate 13, and the air tightness of the pressure relief valve is further ensured. The positioning fastener can be a screw or a rivet with a positioning function. In order to further ensure the connection reliability of the back pressure plate 11 and the fixed scroll 20, the back pressure plate 11 is provided with a plurality of connection holes 112 at intervals along the circumferential direction, and each connection hole 112 is provided with a positioning fastener.
Referring to fig. 4, the present invention further provides a scroll compressor, which includes a fixed scroll assembly and a movable scroll 40, wherein the movable scroll 40 is disposed on one side of the fixed scroll 20 where the fixed scroll teeth 21 are disposed, the movable scroll 40 is disposed with movable scroll teeth, and the movable scroll teeth and the fixed scroll teeth 21 are mutually matched to form a compression chamber. The specific structure of the static disc assembly refers to the above embodiments, and since the scroll compressor adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
Specifically, the scroll compressor includes a stationary disc assembly, an orbiting scroll 40, a floating plate 30, a casing 50, a main frame 60, a driving motor 70, and a crankshaft 80. Wherein the stationary disc assembly includes an integrated back pressure plate 10 and a stationary scroll 20. The main frame 60 and the driving motor 70 are fixed in the casing 50, the crankshaft 80 is connected with a rotor of the driving motor 70, the movable scroll 40 is connected with the crankshaft 80, the fixed scroll 20 and the movable scroll 40 are oppositely arranged, the fixed scroll teeth 21 and the movable scroll teeth are matched to form a plurality of compression chambers, the integrated back pressure plate 10 is installed on one side of the fixed scroll 20 departing from the movable scroll 40 through the back pressure plate 11, the floating plate 30 is arranged on one side of the back pressure plate 11 far away from the fixed scroll 20, the floating plate 30 can move relative to the back pressure plate 11, a back pressure chamber is formed between the floating plate 30 and the back pressure plate 11, and the back pressure chamber is communicated with the compression chambers. When the scroll compressor works, the driving motor 70 drives the crankshaft 80 to rotate, and then the movable scroll 40 can be driven to rotate relative to the fixed scroll 20, when the movable scroll 40 and the fixed scroll 20 rotate relative to each other to perform compression operation, gas in a compression chamber can apply pressure to a back pressure cavity so as to push against the floating plate 30, and the floating plate 30 can apply pressure to the back pressure cavity in a reverse direction due to the limiting effect, so that the fixed scroll 20 is pressed to the movable scroll 40. The integrated back pressure plate 10 is provided with a stopper 12 and a pressure relief valve plate 13, and the pressure relief valve plate 13 is used for opening or blocking a pressure relief hole of the fixed scroll 20. Under normal working conditions, the pressure relief valve plate 13 blocks the pressure relief hole, and when the air pressure in the compression chamber exceeds a certain pressure, the pressure relief valve plate 13 opens the pressure relief hole under the action of pressure difference so as to reduce the pressure in the compression chamber.
The utility model discloses still provide a refrigeration plant, this refrigeration plant include scroll compressor, and this scroll compressor's concrete structure refers to above-mentioned embodiment, because this refrigeration plant has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The refrigeration equipment may be specifically an air conditioner, a refrigerator, or the like.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (11)
1. An integrated back pressure plate for cooperation with a fixed scroll, the integrated back pressure plate comprising:
a back pressure plate;
the stopper is fixed on one side of the back pressure plate close to the static scroll disk; and
and the pressure relief valve block is arranged on one side of the stopper departing from the back pressure plate.
2. The integrated back pressure plate as claimed in claim 1, wherein a side of the stopper facing away from the back pressure plate is provided with a first stopper surface for pressing the pressure relief valve plate against the fixed scroll, and a second stopper surface inclined with respect to the first stopper surface to a side facing away from the fixed scroll to form an activity space for the pressure relief valve plate to move.
3. The integrated back pressure plate as claimed in claim 1, wherein the pressure relief valve plate and the stopper are correspondingly provided with fixing holes for passing fasteners, and the pressure relief valve plate is fixedly connected with the stopper through the fasteners.
4. The integrated back platen of claim 1, wherein the retainer is integrally formed with the back platen.
5. The integrated back pressure plate according to any one of claims 1 to 4, wherein a side of the back pressure plate adjacent to the fixed scroll is provided with a groove, and the stopper is fixed in the groove.
6. A static disc assembly, comprising:
the static vortex disc is provided with static vortex teeth on one side and a pressure relief hole; and
the integrated back pressure plate as claimed in any one of claims 1 to 5, wherein the back pressure plate is mounted on a side of the fixed scroll facing away from the fixed scroll teeth, and an active space for the pressure relief valve plate to open or close the pressure relief hole is defined between the stopper and the fixed scroll.
7. The fixed disk assembly as claimed in claim 6, wherein the pressure relief valve plate is fixed to the stopper by a fastening member having an end protruding from a surface of the pressure relief valve plate, and the fixed scroll is provided with a sink for receiving the end.
8. The fixed disk assembly as claimed in claim 6 wherein a recess is provided in a side of said fixed scroll facing away from said fixed wrap, said integrated back pressure plate being received in said recess.
9. The fixed disk assembly as claimed in any one of claims 6 to 8, wherein the back pressure plate and the fixed scroll are provided with a connecting hole for a positioning fastener to pass through, respectively, and the back pressure plate is fixed to the fixed scroll by the positioning fastener.
10. A scroll compressor, comprising:
the stationary disc assembly as claimed in any one of claims 6 to 9; and
the movable vortex disc is arranged on one side, provided with the fixed vortex teeth, of the fixed vortex disc and provided with movable vortex teeth, and the movable vortex teeth and the fixed vortex teeth are matched with each other to form a compression chamber.
11. A refrigeration appliance comprising the scroll compressor of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222330480.0U CN218093428U (en) | 2022-09-01 | 2022-09-01 | Integrated back pressure plate, static disc assembly, scroll compressor and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222330480.0U CN218093428U (en) | 2022-09-01 | 2022-09-01 | Integrated back pressure plate, static disc assembly, scroll compressor and refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218093428U true CN218093428U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222330480.0U Active CN218093428U (en) | 2022-09-01 | 2022-09-01 | Integrated back pressure plate, static disc assembly, scroll compressor and refrigeration equipment |
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| Country | Link |
|---|---|
| CN (1) | CN218093428U (en) |
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2022
- 2022-09-01 CN CN202222330480.0U patent/CN218093428U/en active Active
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