CN204003472U - Compressor and roller structure thereof - Google Patents
Compressor and roller structure thereof Download PDFInfo
- Publication number
- CN204003472U CN204003472U CN201420410166.6U CN201420410166U CN204003472U CN 204003472 U CN204003472 U CN 204003472U CN 201420410166 U CN201420410166 U CN 201420410166U CN 204003472 U CN204003472 U CN 204003472U
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- China
- Prior art keywords
- roll body
- roller structure
- roll
- compressor
- lid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of compressor and roller structure thereof, and this roller structure comprises roll body, and roll body is tubulose, and the end of roll body is provided with the extension part radially extending towards the inner side of roll body along roll body, and extension part is annular.Roller structure in the utility model simple in structure, easy to use, than conventional roller monomer structure, can be so that the partially thin roller of wall thickness be compensated with the seal distance between the exhaust port of pump housing flange, strengthened the sealing of the pump housing, realize the object of using the type of little series to develop large capacity compressors, reduced the cost of compressor; Meanwhile, can meet and increase the exhaust port diameter of pump housing flange and reduce the design requirement of exhaust port centre distance, and then can reduce compressor power input, promote the efficiency of compressor.
Description
Technical field
The utility model relates to compressor field, more specifically, relates to a kind of compressor and roller structure thereof.
Background technique
At present, when the large discharge capacity of exploitation is expanded type, because the wall thickness of the roller structure of isonomic rotary compressor is partially thin, cause roller structure too small with the seal distance between pump housing flange relief opening, so, the minimum seal distance that cannot meet design requirement, thus cannot realize in the exploitation with larger discharge capacity type compressor in a series of.
In prior art, the mode of the solution of the problems referred to above is had to two kinds: a kind of mode is to reduce pump housing flange diameter of outlet, but this method will certainly increase the exhaust resistance of compressor, and then compressor power input is raise, cause compressor performance to decline.Another mode increases pump housing flange relief opening centre distance exactly, and this method can make the exhaust resistance of compressor and clearance volume become large, causes compressor performance to decline.
Model utility content
The utility model aims to provide a kind of compressor and roller structure thereof, to solve the problem that the roller structure of compressor of prior art and the seal distance between the exhaust port on pump housing flange are less.
For solving the problems of the technologies described above, according to an aspect of the present utility model, provide a kind of roller structure, comprise roll body, roll body is tubulose, the end of roll body is provided with the extension part radially extending towards the inner side of roll body along roll body, and extension part is annular.
Further, roller structure also comprises and rolls lid, and rolls lid and removably cover the end that is located at roll body; Wherein, roll lid for annular, and the internal diameter that rolls lid is less than the internal diameter of roll body, extension part is the part of rolling in the endoporus that lid extends to roll body.
Further, the two ends of roll body are provided with extension part.
Further, the end of roll body is provided with mounting groove, and rolls to cover and be provided with the assembly department in mating connection with mounting groove.
Further, the depth direction of mounting groove is identical with the axial direction of roll body, and assembly department is along rolling extending axially of lid.
Further, be provided with a plurality of mounting grooves on roll body, roll to cover and be provided with and a plurality of mounting grooves a plurality of assembly departments one to one, and a plurality of mounting groove is along the circumferential distribution of roll body, a plurality of assembly departments are along the circumferential distribution of rolling lid.
Further, the end of roll body is provided with stepped slot, and the outer portion of rolling lid is arranged in stepped slot.
According to another aspect of the present utility model, a kind of compressor is provided, compressor comprises bent axle and be set in the roller structure on bent axle, roller structure is above-mentioned roller structure.
Further, compressor also comprises pump housing flange, on pump housing flange, is provided with exhaust port; Wherein, one end of roller structure is connected to a side of pump housing flange, and a part for the outer partial occlusion exhaust port of roller structure.
On the roll body of the roller structure in the utility model, be provided with the extension part radially extending along roll body, and this extension part is annular, like this, because the internal diameter of extension part is less than the internal diameter of roll body, so, distance between the exhaust port of the internal diameter of extension part and pump housing flange is greater than the distance between the internal diameter of roll body and the exhaust port of pump housing flange, and then has effectively increased pump housing flange exhaust port seal distance, thereby has strengthened the sealability of this roller structure to the exhaust port on pump housing flange.
Roller structure in the utility model simple in structure, easy to use, than conventional roller monomer structure, can be so that the partially thin roller of wall thickness be compensated with the seal distance between the exhaust port of pump housing flange, strengthened the sealing of the pump housing, realize the object of using the type of little series to develop large capacity compressors, reduced the cost of compressor; Meanwhile, can meet and increase the exhaust port diameter of pump housing flange and reduce the design requirement of exhaust port centre distance, and then can reduce compressor power input, promote the efficiency of compressor.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structural representation of the compressor in the utility model;
Fig. 2 has schematically shown the structural representation that rolls lid in roller structure;
Fig. 3 has schematically shown the A-A sectional view in Fig. 2;
Fig. 4 has schematically shown the structural representation of the roll body in roller structure; And
Fig. 5 has schematically shown the B-B sectional view in Fig. 4.
Reference character in figure: 10, roll body; 11, mounting groove; 12, stepped slot; 20, roll lid; 21, assembly department; 30, bent axle; 40, pump housing flange; 41, exhaust port.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
According to an aspect of the present utility model, a kind of roller structure is provided, please refer to Fig. 1 to Fig. 5, this roller structure comprises roll body 10, roll body 10 is tubulose, and the end of roll body 10 is provided with the extension part radially extending towards the inner side of roll body 10 along roll body 10, and extension part is annular.
On the roll body 10 of the roller structure in the utility model, be provided with the extension part extending along the radial inward of roll body 10, and this extension part is annular, like this, because the internal diameter of extension part is less than the internal diameter of roll body 10, so, distance between the exhaust port of the internal diameter of extension part and pump housing flange is greater than the distance between the internal diameter of roll body 10 and the exhaust port of pump housing flange, and then effectively increased pump housing flange exhaust port seal distance, thereby strengthened the sealability of this roller structure to the exhaust port on pump housing flange.
Roller structure in the utility model simple in structure, easy for installation, than conventional roller monomer structure, can be so that the partially thin roller of wall thickness be compensated with the seal distance between the exhaust port of pump housing flange, strengthened the sealing of the pump housing, realize the object of using the type of little series to develop large capacity compressors, reduced the cost of compressor; Meanwhile, can meet and increase the exhaust port diameter of pump housing flange and reduce the design requirement of exhaust port centre distance, and then can reduce compressor power input, promote the efficiency of compressor.
Preferably, as shown in Figures 1 to 5, roller structure also comprises rolling and covers 20, and roll cover 20 removably lid be located at the end of roll body 10; Wherein, roll and cover 20 for annular, and roll and cover the internal diameter that 20 internal diameter is less than roll body 10, extension part is to roll to cover 20 parts that extend in the endoporus of roll body 10.Preferably, one end of roll body 10 is provided with this and rolls and cover 20, or the two ends of roll body 10 are provided with this and roll and cover 20.Like this, by the two ends at roll body 10, all cover and establish this and roll and cover 20, can improve further the sealability of this roller structure.
Preferably, the two ends of roll body 10 are provided with extension part.Preferably, in one end of roll body 10, extension part is set directly on this roll body 10, and at the other end of roll body 10, extension part is arranged on to roll and covers on 20.Preferably, at the two ends of roll body 10, extension part is all arranged on to roll and covers on 20.
Preferably, the end of roll body 10 is provided with mounting groove 11, and rolls to cover and on 20, be provided with the assembly department 21 in mating connection with mounting groove 11.For rolling, covering 20 with the assembly connection mode between roll body 10, can be riveting or buckle connection etc., specifically can select voluntarily according to actual process level, as long as can guarantee both practicability, stability and reliabilities after assembling.
In this application, for the mounting groove 11 on the end of roll body 10, guaranteeing under the prerequisite of roll body reliability, can they all be done larger as far as possible, the degree of depth of mounting groove 11 even can run through roller both ends of the surface, the radial dimension size of mounting groove 11 must match with the position structure of roll body 10 lower ends, can alleviate the quality of roller like this, reduce rotating inertia force and the self gravitation of roller, improve the mechanical wear between the same bent axle of roller, cylinder and pump housing flange, reduce compressor power consumption, promote compressor efficiency.Preferably, mounting groove 11 is shaped as arc, plane shape, cylindrical, taper or polyhedron cylindricality etc.
Preferably, the depth direction of mounting groove 11 is identical with the axial direction of roll body 10, and assembly department 21 covers 20 extend axially along rolling.Like this, can more easily assembly department 21 be arranged in mounting groove 11.
Preferably, be provided with a plurality of mounting grooves 11 on roll body 10, roll to cover and on 20, be provided with and a plurality of mounting grooves 11 a plurality of assembly departments 21 one to one, and a plurality of mounting groove 11 is along the circumferential distribution of roll body 10, a plurality of assembly departments 21 are along rolling the circumferential distribution of covering 20.Preferably, unnecessary two of the quantity of mounting groove 11, and be uniformly distributed, need to keep the position structure with roll body 10 lower ends to match.By a plurality of mounting grooves 11 and assembly department 21 are set, can improve roll body 10 and roll the fixed effect that covers 20.
Preferably, the end of roll body 10 is provided with stepped slot 12, rolls 20 the outer portion of covering and is arranged in stepped slot 12.Preferably, mounting groove 11 is arranged on the bottom surface of stepped slot 12.Like this, can improve roll body 10 and roll the fixed effect that covers 20.
In this application, for rolling the external diameter that covers 20, it must match with stepped slot 12 internal diameters of roll body 10, and when roller wall thickness is very thin, maximum allows to roll to be covered 20 external diameter and accomplish that the external diameter of same roll body 10 is identical, but can not be greater than the external diameter of roll body 10.For rolling the internal diameter that covers 20, in order to meet the minimum seal distance designing requirement of the corresponding pump housing flange of large capacity compressors relief opening in homologous series, roll and cover 20 internal diameter and must accomplish to try one's best less than normal, but roll simultaneously, cover long shaft external diameter (roll and mount cover while fitting over upper pump casing flange end) or the minor axis external diameter (roll and mount cover while fitting over lower pump body flange end) that 20 internal diameter must be greater than bent axle 30, to guarantee that roller assembly assembles smoothly with bent axle.For rolling sealing height and the total height of covering 20 ends, must keep the degree of depth of stepped slot 12 of same roll body 10 ends and the degree of depth sum of the degree of depth of mounting groove 11 and stepped slot 12 to match, to realize rolling, cover 20 assemblings of the standard with roll body 10, wherein, roll the sealing height that covers 20 ends, it highly must be less than the structural thrust surface height of corresponding bent axle 30 eccentric circle.For rolling the position structure that covers 20 lower ends, its concrete form structure (as arc, plane shape, cylindrical, taper or polyhedron cylindricality etc.) and position structure quantity (must unnecessary two, and be uniformly distributed), can need to determine according to the structure of roller self, only need match with the positioning hole structure on the annular groove of roller end.
In this application, stepped slot 12 for roll body 10 ends, the external diameter of its stepped slot 12 must keep covering 20 external diameter and matching with rolling, in order to give the positioning hole on roll body 10 ends, reserve certain bit space that allows, the external diameter of requirement stepped slot 12 is done bigger than normal as far as possible, and limit case is that the external diameter of mounting groove 11 is identical with roller outer diameter.For the degree of depth of the stepped slot 12 of roll body 10 ends, it must highly be consistent with rolling the sealing of covering 20 ends.
According to another aspect of the present utility model, a kind of compressor is provided, compressor comprises bent axle 30 and is set in the roller structure on bent axle 30, roller structure is above-mentioned roller structure.In the assembly process of this roller structure with bent axle 30, need first bent axle 30 coaxially to be assembled with roll body 10, and then will roll and cover 20 with roll body 10 assembly connections.Preferably, on bent axle 30, be provided with installation step, roll cover 20 interior along part be arranged on installation step.
Preferably, compressor also comprises pump housing flange 40, is provided with exhaust port 41 on pump housing flange 40; Wherein, one end of roller structure is connected to a side of pump housing flange 40, and a part for the outer partial occlusion exhaust port 41 of roller structure.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a roller structure, comprise roll body (10), described roll body (10) is tubulose, it is characterized in that, the end of described roll body (10) is provided with the extension part radially extending towards the inner side of described roll body (10) along described roll body (10), and described extension part is annular.
2. roller structure according to claim 1, is characterized in that, described roller structure also comprises and roll lid (20), and described in roll lid (20) and removably cover the end that is located at described roll body (10); Wherein, described in roll lid (20) for annular, and described in roll lid (20) internal diameter be less than the internal diameter of described roll body (10), described extension part rolls the part in the endoporus that lid (20) extends to described roll body (10) described in being.
3. roller structure according to claim 1, is characterized in that, the two ends of described roll body (10) are provided with described extension part.
4. roller structure according to claim 2, it is characterized in that, the end of described roll body (10) is provided with mounting groove (11), and described in roll and on lid (20), be provided with the assembly department (21) in mating connection with described mounting groove (11).
5. roller structure according to claim 4, is characterized in that, the depth direction of described mounting groove (11) is identical with the axial direction of described roll body (10), and rolls extending axially of lid (20) described in described assembly department (21) edge.
6. roller structure according to claim 5, it is characterized in that, on described roll body (10), be provided with a plurality of described mounting grooves (11), described rolling is provided with on lid (20) and described a plurality of mounting grooves (11) a plurality of described assembly departments (21) one to one, and described a plurality of mounting groove (11) is along the circumferential distribution of described roll body (10), described a plurality of assembly departments (21) along described in roll lid (20) circumferential distribution.
7. roller structure according to claim 2, is characterized in that, the end of described roll body (10) is provided with stepped slot (12), described in roll lid (20) outer portion be arranged in described stepped slot (12).
8. a compressor, described compressor comprises bent axle (30) and is set in the roller structure on described bent axle (30), it is characterized in that, described roller structure is the roller structure described in any one in claim 1 to 7.
9. compressor according to claim 8, is characterized in that, described compressor also comprises pump housing flange (40), is provided with exhaust port (41) on described pump housing flange (40); Wherein, one end of described roller structure is connected to a side of described pump housing flange (40), and the part of exhaust port (41) described in the outer partial occlusion of described roller structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410166.6U CN204003472U (en) | 2014-07-23 | 2014-07-23 | Compressor and roller structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410166.6U CN204003472U (en) | 2014-07-23 | 2014-07-23 | Compressor and roller structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204003472U true CN204003472U (en) | 2014-12-10 |
Family
ID=52043479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420410166.6U Withdrawn - After Issue CN204003472U (en) | 2014-07-23 | 2014-07-23 | Compressor and roller structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204003472U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110380A (en) * | 2014-07-23 | 2014-10-22 | 珠海凌达压缩机有限公司 | Compressor and roller structure thereof |
| CN114060274A (en) * | 2021-12-08 | 2022-02-18 | 珠海凌达压缩机有限公司 | Pump body structure, compressor and air conditioner |
-
2014
- 2014-07-23 CN CN201420410166.6U patent/CN204003472U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110380A (en) * | 2014-07-23 | 2014-10-22 | 珠海凌达压缩机有限公司 | Compressor and roller structure thereof |
| CN114060274A (en) * | 2021-12-08 | 2022-02-18 | 珠海凌达压缩机有限公司 | Pump body structure, compressor and air conditioner |
| CN114060274B (en) * | 2021-12-08 | 2023-09-15 | 珠海凌达压缩机有限公司 | Pump body structure, compressor and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |