CN113982924B - Pump body assembly, compressor and air conditioner with same - Google Patents
Pump body assembly, compressor and air conditioner with same Download PDFInfo
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- CN113982924B CN113982924B CN202111222846.6A CN202111222846A CN113982924B CN 113982924 B CN113982924 B CN 113982924B CN 202111222846 A CN202111222846 A CN 202111222846A CN 113982924 B CN113982924 B CN 113982924B
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- groove
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- pump body
- sliding vane
- body assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
The application provides a pump body assembly, a compressor and an air conditioner with the pump body assembly, wherein the air conditioner comprises a variable-volume cylinder and a sliding vane assembly, and a sliding vane groove is formed in the inner wall of the variable-volume cylinder; the variable-volume cylinder is provided with a reinforcing structure, and the position of the reinforcing structure corresponds to the bottom of the sliding vane groove; the sliding vane assembly comprises a sliding vane body, and the sliding vane body is slidably arranged in the sliding vane groove. According to the pump body assembly, the compressor and the air conditioner with the same, the reliability of the pump body assembly can be effectively improved.
Description
Technical Field
The application belongs to the technical field of air conditioners, and particularly relates to a pump body assembly, a compressor and an air conditioner with the pump body assembly.
Background
At present, the variable capacity pump body component has the advantages of low minimum cold output, high low-frequency energy efficiency and the like according to the variable capacity ratio, and is widely applied to household multi-split air conditioner. However, with the miniaturization development of the external machine of the domestic multi-split air conditioner, the variable capacity pump body assembly also needs to meet the demands of the domestic market in smaller series. There are a variety of ways to control the displacement of the pump body assembly. One of the structures is a variable capacity mechanism in a certain cylinder, and the mechanism comprises a variable capacity slide sheet, a pin and a pin spring. The pressure difference at two ends of the control pin is used for controlling whether the pin locks the sliding vane or not, so that the capacity change is realized, and a certain space is required for the arrangement of the control mechanism. The variable capacitance mechanism has two states, namely a locked state and an unlocked state.
However, when the variable capacitance mechanism is converted from the unlocking state to the locking state, the motion states of the pin and the sliding vane controlled by gas are not synchronous, so that the sliding vane is always in a transient unsteady state when the pin is slightly touched, at the moment, the variable capacitance sliding vane can collide with the roller and the bottom of the sliding vane groove of the variable capacitance cylinder, and the outer circle of the pump body is reduced along with the serial reduction, namely, the reduction of the inner diameter of the shell body, so that the thickness of the bottom of the groove of the variable capacitance cylinder is reduced along with the reduction of the thickness of the groove of the variable capacitance cylinder to ensure certain displacement (the design parameters of the variable capacitance cylinder and the roller are certain), the strength is further weakened, and serious reliability problems are further brought.
Therefore, how to provide a pump assembly, a compressor and an air conditioner with the pump assembly, which can effectively improve the reliability of the pump assembly, is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the technical problem to be solved in the application is to provide a pump body assembly, a compressor and an air conditioner with the pump body assembly, and the reliability of the pump body assembly can be effectively improved.
In order to solve the above-mentioned problem, this application provides a pump body subassembly, includes:
the inner wall of the variable volume cylinder is provided with a sliding vane groove; the variable-volume cylinder is provided with a reinforcing structure, and the position of the reinforcing structure corresponds to the bottom of the sliding vane groove;
and the sliding vane assembly comprises a sliding vane body bottom wall.
Further, the variable volume cylinder comprises a body area and a reinforcing area; the reinforcing structure is arranged on the variable volume cylinder to form a reinforcing area; the radial thickness of the reinforcing area is D1; the radial thickness of the body region is D; wherein D < D1.
Further, the slide body is provided with a yielding groove, and the yielding groove corresponds to the reinforcing structure in position.
Further, the size of the relief groove is larger than the size of the reinforcing structure.
Further, in the axial direction of the variable-volume cylinder, the height of the variable-volume cylinder is H; the height of the reinforcing structure is H1; the abdication groove comprises a main groove body, and the minimum height of the main groove body is h1; wherein H1> H/3; and/or, H1> H1.
Further, the abdication groove further comprises an expansion groove which is communicated with the main groove body, and the expansion groove is arranged on one side or two sides of the axial direction of the main groove body; the bottom of the expansion tank is connected with the bottom chamfer of the main tank body.
Further, the pump body assembly comprises a locking structure and a locking groove which are matched; in the axial direction of the variable-volume cylinder, the sliding vane body comprises a first part, a abdication groove and a second part which are sequentially arranged; the locking groove is arranged on the first surface of the sliding vane body and is positioned on the second part; the first surface is mutually perpendicular to the axial direction of the variable-volume cylinder; the length of the locking groove is h2 in the axial direction of the variable-volume cylinder; the second portion has a length l2; the length of the first part is l1; wherein l2> h2; and/or, l2> l1.
Further, in the axial direction of the variable-volume cylinder, the bottom wall of the sliding vane groove comprises a first section, a reinforcing structure and a second section which are sequentially arranged; the first portion corresponds to the position of the first segment; the second portion corresponds to the position of the second segment; the axial length of the first section is L1; the axial length of the second section is L2; wherein L1> L1; and/or, L2> L2; and/or, l1 is greater than or equal to 0.
According to still another aspect of the present application, there is provided a variable displacement compressor including a pump body assembly, the pump body assembly being the pump body assembly described above.
According to still another aspect of the present application, there is provided an air conditioner including a pump assembly, the pump assembly being the pump assembly described above.
The utility model provides a pump body subassembly, compressor and have its air conditioner through set up the additional strengthening of certain size in gleitbretter groove corresponding position department, strengthens varactor cylinder intensity, strengthens varactor mechanism reliability, but the deformation in varactor cylinder gleitbretter groove when reducing processing and assembly reduces the friction consumption in gleitbretter and gleitbretter groove, further strengthens pump body subassembly's reliability. The pump body assembly reliability can be effectively improved.
Drawings
Fig. 1 is a schematic diagram of an installation structure of a variable volume cylinder and a sliding vane assembly according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a slider body according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a variable capacity cylinder according to an embodiment of the present application;
FIG. 4 is a schematic structural view of a slider according to an embodiment of the present disclosure;
fig. 5 is a schematic structural view of a pump body assembly according to an embodiment of the present application.
The reference numerals are expressed as:
1. a variable volume cylinder; 11. a slide groove; 12. a reinforcing structure; 13. a variable volume cavity; 2. a slide body; 21. a relief groove; 3. a variable capacitance mechanism; 31. a locking groove; 32. a pin; 33. a pin spring; 4. a roller; 5. a partition plate; 6. an upper cylinder assembly; 7. a muffler; 8. a crankshaft; 9. and a lower flange.
Detailed Description
Referring to fig. 1-5 in combination, a pump body assembly comprises a variable volume cylinder 1 and a sliding vane assembly, wherein a sliding vane groove 11 is formed in the inner wall of the variable volume cylinder 1; the positive displacement cylinder 1 is provided with a reinforcing structure 12, and the position of the reinforcing structure 12 corresponds to the bottom of the sliding vane groove 11; the slip sheet subassembly includes slip sheet body 2, and slip sheet body 2 slidable sets up in slip sheet inslot 11, through set up the additional strengthening 12 of certain size in slip sheet inslot 11 corresponding position department, reinforcing variable volume cylinder 1 intensity, reinforcing variable volume mechanism 3 reliability, but the deformation of the slip sheet inslot 11 of variable volume cylinder 1 when reducing processing and assembly, the friction consumption in reduction slip sheet and slip sheet inslot 11, further the reliability of reinforcing pump body subassembly, this slip sheet inslot 11 is variable volume slip sheet inslot 11. The contradiction between miniaturization of the variable-capacity compressor and the reduction of the strength of the bottom of the sliding vane groove 11 of the variable-capacity cylinder 1 can be solved. The variable-capacity air cylinder 1 is a variable-capacity air cylinder 1, and the variable-capacity air cylinder 1 comprises a variable-capacity cavity 13 for conducting pressure, the slide sheet groove 11 for accommodating the reciprocating motion of the variable-capacity slide sheet, and a reinforcing structure 12 for reinforcing the tail strength of the slide sheet groove 11 is arranged at the bottom of the slide sheet groove 11.
Some embodiments are also disclosed in which the reinforcing structure 12 is provided on the bottom wall of the slider groove 11. The reinforcing structure 12 is provided at the bottom of the vane groove 11 to enhance the strength of the variable capacity cylinder 1. The bottom of the slide groove 11 may be provided with a structure such as a reinforcing rib or a reinforcing block.
The application also discloses some embodiments, the variable volume cylinder 1 comprises a body area and a reinforcing area; the reinforcing structure 12 is arranged on the variable volume cylinder 1 to form a reinforcing area; the radial thickness of the reinforcing area is D1; the radial thickness of the body region is D; wherein, D < D1, the reinforcing structure 12 and the variable volume cylinder 1 are integrally formed, namely, the radial thickness of the reinforcing area is increased so as to enhance the strength of the variable volume cylinder 1. By arranging the reinforcing structure 12 with a certain size at the bottom of the variable-capacity sliding vane groove 11, the deformation of the sliding vane groove 11 of the variable-capacity cylinder 1 during processing and assembly can be reduced, and the friction power consumption of the sliding vane and the sliding vane groove 11 can be reduced.
The application still discloses some embodiments, is provided with the groove of stepping down on the gleitbretter body 2, and the groove of stepping down corresponds with the position of additional strengthening 12, when gleitbretter body 2 slides to the tank bottom, this groove of stepping down makes additional strengthening 12 can not influence the activity of gleitbretter body 2. The abdication groove is arranged at the tail part of the sliding vane body 2, so that the switching mechanism can be ensured to smoothly finish switching, and the reliability of the variable capacitance mechanism 3 is enhanced. The positive-displacement slide sheet is provided with a locking groove for locking the slide sheet and a yielding groove for matching with the reinforcing structure 12 of the positive-displacement cylinder 1.
Some embodiments are also disclosed in which the size of the relief groove is greater than the size of the reinforcing structure 12 to prevent the reinforcing structure 12 from affecting the movement of the slider body 2.
The application also discloses some embodiments, in the axial direction of the variable capacity cylinder 1, the height of the variable capacity cylinder 1 is H; the height of the reinforcing structure 12 is H1; the abdication groove comprises a main groove body, and the minimum height of the main groove body is h1; wherein H1> H/3; and/or, H1> H1. h1> H1 can prevent the reinforcing structure 12 from affecting the movement of the slider body 2; h1> H/3 can ensure that the reinforcing structure 12 has a reinforcing effect on the slide groove 11 of the variable-volume cylinder 1. When D1> D and H1> H/3, the strength of the bottom of the sliding vane groove 11 of the variable-capacity cylinder 1 is enhanced by more than 1.5 times, the deformation of the sliding vane groove 11 is reduced, and the reliability of the variable-capacity mechanism 3 is enhanced. The main groove body refers to a groove body at a position corresponding to the reinforcing structure 12, and when the sliding vane body contacts with the bottom of the sliding vane groove, the main groove body contacts with the reinforcing structure 12. When the same pretightening force is applied and H1 is less than or equal to H/3, the deformation of the sliding vane groove is reduced by about 10% compared with the deformation of the non-reinforced structure, namely the maximum value of the deformation of the sliding vane groove is reduced by 10%; when H1> H/3, the deformation can be reduced by 30-50%.
The application also discloses some embodiments, the abdication groove further comprises an expansion groove communicated with the main groove body, and the expansion groove is arranged on one or two sides of the axial direction of the main groove body; the bottom of the expansion groove is connected with the groove bottom chamfer of the main groove body, the expansion groove can effectively prevent collision between the reinforcing structure 12 and the sliding vane body 2, and burrs can be prevented by adopting chamfer connection.
The present application also discloses embodiments in which the pump body assembly includes a mating locking structure and locking groove 31; in the axial direction of the variable-volume cylinder 1, the sliding vane body 2 comprises a first part, a abdication groove and a second part which are sequentially arranged; the locking groove 31 is arranged on the first surface of the sliding vane body 2 and is positioned on the second part; the first surface is mutually perpendicular to the axial direction of the variable volume cylinder 1; the length of the locking groove 31 in the axial direction of the variable volume cylinder 1 is h2; the second portion has a length l2; the length of the first part is l1; wherein l2> h2; and/or, l2> l1, the structural strength of the positive-displacement slide body 2 can be ensured. In the single cylinder mode, the pressure at the tail of the pin 32 is sprung upwards against the spring force and is blocked in the sliding vane locking groove, so that the roller 44 is separated from the sliding vane to complete the locking process. The varactor structure 3 further comprises a pin spring 33.
The application also discloses embodiments, in the axial direction of the variable-volume cylinder 1, the bottom wall of the sliding vane groove 11 comprises a first section, a reinforcing structure 12 and a second section which are sequentially arranged; the first portion corresponds to the position of the first segment; the second portion corresponds to the position of the second segment; the axial length of the first section is L1; the axial length of the second section is L2; wherein L1> L1; and/or, L2> L2; and/or, l1 is greater than or equal to 0; l1> L1 may ensure the cooperation of the reinforcing structure 12 with the varactor slide. When the sliding vane body 2 completely retreats into the sliding vane groove 11, namely, an impact phenomenon occurs, the sliding vane body 2 contacts with the bottom of the sliding vane groove 11, and the running stability of the sliding vane is ensured. L2> L2 can enhance the overall structural strength of the varactor slide. If the strength requirement l2 of the variable-volume and variable-volume cylinder 1 and the sliding vane is not more than l1, l2 is not more than l1. When l1=0, the strength of the cylinder vane tail slot is increased to the limit within a limited cylinder height.
According to an embodiment of the application, a variable-volume compressor is provided, and the variable-volume compressor comprises a pump body assembly. The pump body assembly further comprises a roller 4, a baffle plate 5, an upper cylinder assembly 6, a silencer 7, a crankshaft 8 and a lower flange 9.
According to an embodiment of the application, an air conditioner is provided, and the air conditioner comprises a pump body assembly, wherein the pump body assembly is the pump body assembly.
It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiment of the present invention is not intended to limit the invention to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. The foregoing is merely a preferred embodiment of the present application and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the present application.
Claims (10)
1. A pump body assembly, comprising:
the variable-capacity air cylinder (1), wherein a sliding vane groove (11) is formed in the inner wall of the variable-capacity air cylinder (1); a reinforcing structure (12) is arranged on the variable-volume air cylinder (1), and the position of the reinforcing structure (12) corresponds to the bottom of the sliding vane groove (11);
the sliding vane assembly comprises a sliding vane body (2), and the sliding vane body (2) is slidably arranged in the sliding vane groove (11);
the variable-volume cylinder (1) comprises a body area and a reinforcing area; the reinforcing structure (12) is arranged on the variable-volume cylinder (1) to form the reinforcing area; the radial thickness of the reinforcing area is D1; the radial thickness of the body region is D; wherein D < D1.
2. Pump body assembly according to claim 1, wherein the reinforcement structure (12) is provided on the bottom wall of the slide groove (11).
3. Pump body assembly according to claim 1, characterized in that the slide body (2) is provided with a relief groove (21), the relief groove (21) corresponding to the position of the reinforcing structure (12).
4. A pump body assembly according to claim 3, wherein the relief groove (21) has a size greater than the size of the reinforcing structure (12).
5. A pump body assembly according to claim 3, characterized in that the height of the variable-volume cylinder (1) in the axial direction of the variable-volume cylinder (1) is H; the height of the reinforcing structure (12) is H1; the yielding groove (21) comprises a main groove body, and the minimum height of the main groove body is h1; wherein H1> H/3; and/or, H1> H1.
6. Pump body assembly according to claim 5, wherein the relief groove (21) further comprises an expansion groove in communication with the main groove body, the expansion groove being provided on one or both axial sides of the main groove body; and the bottom of the expansion groove is connected with the groove bottom chamfer angle of the main groove body.
7. A pump body assembly according to claim 3, characterized in that it comprises a locking structure and a locking groove (31) adapted thereto; in the axial direction of the variable-volume cylinder (1), the sliding vane body (2) comprises a first part, a yielding groove (21) and a second part which are sequentially arranged; the locking groove (31) is arranged on the first surface of the sliding sheet body (2) and is positioned on the second part; the first surface is perpendicular to the axial direction of the variable-volume cylinder (1); the length of the locking groove (31) in the axial direction of the variable volume cylinder (1) is h2; the length of the second part is l2; the length of the first part is l1; wherein l2> h2; and/or, l2> l1; and/or, l1 is greater than or equal to 0.
8. Pump body assembly according to claim 7, characterized in that in the axial direction of the positive-displacement cylinder (1), the bottom wall of the slide groove (11) comprises a first section, a reinforcing structure (12) and a second section arranged in sequence; the first portion corresponds to a position of the first segment; the second portion corresponds to a position of the second segment; the axial length of the first section is L1; the axial length of the second section is L2; wherein L1> L1; and/or, L2> L2.
9. A variable displacement compressor comprising a pump body assembly, wherein the pump body assembly is as claimed in any one of claims 1 to 8.
10. An air conditioner comprising a pump body assembly, wherein the pump body assembly is as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111222846.6A CN113982924B (en) | 2021-10-20 | 2021-10-20 | Pump body assembly, compressor and air conditioner with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111222846.6A CN113982924B (en) | 2021-10-20 | 2021-10-20 | Pump body assembly, compressor and air conditioner with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113982924A CN113982924A (en) | 2022-01-28 |
| CN113982924B true CN113982924B (en) | 2023-05-05 |
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ID=79739674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111222846.6A Active CN113982924B (en) | 2021-10-20 | 2021-10-20 | Pump body assembly, compressor and air conditioner with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113982924B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090087334A1 (en) * | 2007-09-28 | 2009-04-02 | Robert Whitesell | Sliding Vane Compression and Expansion Device |
| CN106593869B (en) * | 2015-10-16 | 2018-07-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Twin-stage positive displacement compressor and air-conditioning system with it |
| CN107476979A (en) * | 2017-08-10 | 2017-12-15 | 珠海格力节能环保制冷技术研究中心有限公司 | The assembly method of compressor, air conditioner and compressor |
| CN107575390A (en) * | 2017-09-29 | 2018-01-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
| CN110966190A (en) * | 2018-09-30 | 2020-04-07 | 广东美芝精密制造有限公司 | Sliding vane of compressor, compression mechanism with sliding vane and compressor |
| CN112746961A (en) * | 2019-10-30 | 2021-05-04 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration cycle device with same |
| CN112128104B (en) * | 2020-08-24 | 2023-05-12 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration cycle system |
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2021
- 2021-10-20 CN CN202111222846.6A patent/CN113982924B/en active Active
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| Publication number | Publication date |
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| CN113982924A (en) | 2022-01-28 |
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