CN205858688U - Compressor pump assembly lower flange, compressor pump assembly and compressor - Google Patents
Compressor pump assembly lower flange, compressor pump assembly and compressor Download PDFInfo
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- CN205858688U CN205858688U CN201620596184.7U CN201620596184U CN205858688U CN 205858688 U CN205858688 U CN 205858688U CN 201620596184 U CN201620596184 U CN 201620596184U CN 205858688 U CN205858688 U CN 205858688U
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- pump assembly
- lower flange
- compressor
- compressor pump
- hole
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Abstract
The utility model discloses a kind of compressor pump assembly lower flange, compressor pump assembly and compressor, belong to compressor and accessory technical field thereof, design for solving the problems such as existing structure serious wear.The middle part of this utility model compressor pump assembly lower flange is formed with through hole, is formed with ledge structure in the inwall end of through hole, forms oil through in the middle part of ledge structure；A diameter of d1 of through hole, a diameter of d3, the d1 ＞ d3 of oil through.This utility model compressor pump assembly includes bent axle, elastic device and above-mentioned lower flange；Elastic device one end is resisted against on the bottom surface of short axle of bent axle, and the other end is resisted against on ledge structure；Crankshaft thrust face forms gap delta with lower flange end face.This utility model compressor pump assembly lower flange, compressor pump assembly and compressor avoid rigid contact between crankshaft thrust face and lower flange end face, reduce parts depreciation；Can preferably set up oil film, reduce the friction loss of pump assembly.
Description
Technical field
This utility model relates to compressor and accessory technical field thereof, particularly relates to a kind of compressor pump assembly purgation
Blue, include the compressor pump assembly of this lower flange and include the compressor of this compressor pump assembly.
Background technology
Compressor pump assembly is the important component part of compressor, mainly includes rotor part, bent axle and lower flange.
As depicted in figs. 1 and 2, the middle part of existing lower flange 1 is through hole 11, bent axle 2 after composition compressor pump assembly
Short axle 21 penetrates in through hole 11, under now under the action of gravity of rotor part and bent axle 2, crankshaft thrust face 22 abuts directly against
On end face of flange 12.
The defect of this structure is: crankshaft thrust face 22 and lower flange end face 12 rigid contact, and friction pair is chronically at weight
Load state, during compressor operation, crankshaft thrust face 22 easily weares and teares lower flange end face 12, causes compressor horsepower to increase；At height
Speed, high temperature working environment in, compressor properly functioning is had very important by lubrication state and friction and wear characteristic etc.
Impact, wear extent increases and the area of crankshaft thrust face 22 along with rotating speed increase, the load of crankshaft thrust face 22 of bent axle 2
Increase and increase；Further, since bent axle 2 add crankshaft thrust face in man-hour 22 cannot fully erased burr etc., cause compressor operation
Time bent axle 2 produce abnormal sound with lower flange 1 friction.
Utility model content
A purpose of the present utility model is that proposing a kind of through-hole wall end is formed with the compressor of ledge structure
Pump assembly lower flange.
Another purpose of the present utility model is that proposing one avoids rigidity between crankshaft thrust face and lower flange end face
The compressor pump assembly of contact.
Further object of the present utility model is to propose between a kind of crankshaft thrust face and lower flange end face without abrasion
Compressor.
For reaching this purpose, on the one hand, this utility model by the following technical solutions:
A kind of compressor pump assembly lower flange, the middle part of lower flange is formed with through hole, at the inwall end of described through hole
It is formed with ledge structure at Tou, in the middle part of described ledge structure, forms oil through；A diameter of d1 of described through hole, described oil through
A diameter of d3, d1 ＞ d3.
Particularly, being additionally provided with limited step in the inwall end of described through hole, described limited step is relative to described
Ledge structure is further from the inwall termination of described through hole；The diameter of bore of described limited step is d2, d1 ＞ d2 ＞ d3.
On the other hand, this utility model is by the following technical solutions:
A kind of compressor pump assembly, including bent axle, also includes elastic device and above-mentioned lower flange；Described elastic device
One end is resisted against on the bottom surface of short axle of described bent axle, and the other end is resisted against on ledge structure；Crankshaft thrust face and lower flange end
Face forms gap delta.
Particularly, when being provided with limited step in described through hole, described elastic device is positioned partially at described spacing
Step is done in the hole surrounded.
Particularly, described elastic device is spring or rubber ring.
Further, the number of active coils of described spring is more than or equal to 4.
Particularly, the two ends of described spring the tightest are enclosed and polish；One end of described spring is resisted against described completely
On the bottom surface of short axle, the other end is resisted against on the upper surface of ledge structure completely.
Particularly, bent axle endoporus, the interior diameter of described spring or the interior diameter of rubber ring it are formed with in the middle part of described bent axle big
Diameter in described bent axle endoporus.
Particularly, the numerical range of described gap delta is 0 ＜ δ≤0.3mm.
Another further aspect, this utility model by the following technical solutions:
A kind of compressor, including above-mentioned compressor pump assembly.
The through-hole wall end of this utility model compressor pump assembly lower flange is formed with ledge structure, can be at platform
Arranging the device supporting the short axle of bent axle on terrace, axle short to bent axle plays axial supporting role.
The crankshaft thrust face of this utility model compressor pump assembly forms gap delta with lower flange end face, it is to avoid bent axle is only
Rigid contact between pushing surface and lower flange end face, reduces the abrasion of part；Can preferably set up oil film at gap delta, reduce the pump housing
The friction loss of assembly.
This utility model compressor includes above-mentioned compressor pump assembly, non-between crankshaft thrust face and lower flange end face
Rigid contact, without abrasion between crankshaft thrust face and lower flange end face；Can preferably set up oil film at gap delta, reduce compressor
The friction loss of pump assembly.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing compressor pump assembly；
Fig. 2 is the structural representation of existing lower flange；
Fig. 3 is the structural representation of the compressor pump assembly that this utility model preferred embodiment one provides；
Fig. 4 is the structural representation of the lower flange that this utility model preferred embodiment one provides；
Fig. 5 is the structural representation of the compressor pump assembly that this utility model preferred embodiment two provides；
Fig. 6 is the structural representation of the lower flange that this utility model preferred embodiment two provides.
In figure:
1, lower flange；2, bent axle；3, elastic device；11, through hole；12, lower flange end face；13, ledge structure；14, spacing
Step；15, oil through；21, short axle；22, crankshaft thrust face.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by detailed description of the invention.
Preferred embodiment one:
This preferred embodiment discloses a kind of compressor pump assembly lower flange and includes the compressor of this lower flange
Pump assembly.As shown in Figure 4, the middle part of this lower flange 1 is formed with through hole 11, is formed with step in the inwall end of through hole 11
Structure 13, forms oil through 15 in the middle part of ledge structure 13；A diameter of d1 of through hole 11, a diameter of d3, the d1 ＞ d3 of oil through 15.
As it is shown on figure 3, compressor pump assembly includes bent axle 2, elastic device 3 and lower flange 1；Elastic device 3 one end is supported
Leaning against on the bottom surface of short axle 21 of bent axle 2, the other end is resisted against on ledge structure 13；Crankshaft thrust face 22 and lower flange end face 12
Form gap delta.Wherein, the numerical range of gap delta is 0 ＜ δ≤0.3mm.The diameter of short axle 21 is less than or equal to the diameter of through hole 11
For d1.
The short axle 21 of bent axle 2 is axially supported by elastic device 3, is used for overcoming part gravity, makes crankshaft thrust face 22
Gap delta is produced, it is to avoid make rigid contact between crankshaft thrust face 22 and lower flange end face 12 produce and rub with lower flange end face 12
Scouring is damaged；Oil film preferably can be set up in gap delta position, provides lubrication for friction pair, and the friction reducing pump assembly is damaged
Lose；Crankshaft thrust exempts from also to produce abnormal sound because of friction when back chipping, deburring be not thorough.
Elastic device 3 can be spring or rubber ring, it is also possible to for other structure, the short axle 21 of bent axle 2 can be carried out axle
To supporting.Wherein, the number of active coils of spring is more than or equal to 4；The two ends the tightest one of spring are enclosed and polish, it is ensured that spring
One end can smooth, be resisted against completely on the bottom surface of short axle 21, the other end can smooth, be resisted against the upper table of ledge structure 13 completely
On face, i.e. ensure that both ends of the spring is stable with the ledge structure 13 of the short axle 21 of bent axle 2 and lower flange 1 respectively and support.
Being formed with bent axle endoporus in the middle part of bent axle 2, oil through 15 is for pump assembly and the connection of freezing oil sump.Spring interior
The interior diameter of diameter or rubber ring is more than the diameter of bent axle endoporus, it is ensured that refrigeration oil can smoothly enter pump assembly internal and
Bent axle endoporus.
Preferred embodiment two:
This preferred embodiment discloses a kind of compressor pump assembly lower flange and includes the compressor of this lower flange
Pump assembly, its structure is essentially identical with preferred embodiment one, and difference is, as shown in Figure 6, this compressor pump assembly
Being additionally provided with limited step 14 with lower flange in the inwall end of through hole 11, limited step 14 is farther relative to ledge structure 13
Inwall termination from through hole 11；The diameter of bore of limited step 14 is d2, d1 ＞ d2 ＞ d3.
As it is shown in figure 5, in compressor pump assembly, elastic device 3 is positioned partially at limited step 14 and does and surround
Kong Zhong, elastic device 3 is played effect spacing, fixing by limited step 14, it is to avoid elastic device 3 offsets.
Preferred embodiment three:
The open a kind of compressor of this preferred embodiment, including the compressor pump group as described in preferred embodiment one or two
Part.Crankshaft thrust face and lower flange end face produce gap delta, it is to avoid make rigid contact between crankshaft thrust face and lower flange end face and
Produce fretting wear；Oil film preferably can be set up in gap delta position, provides lubrication for friction pair, reduces pump assembly
Friction loss；Crankshaft thrust exempts from also to produce abnormal sound because of friction when back chipping, deburring be not thorough.
Note, above are only preferred embodiment of the present utility model and the know-why used.Those skilled in the art
It will be appreciated that this utility model is not limited to specific embodiment described here, can carry out various for a person skilled in the art
Significantly change, readjust and substitute without departing from protection domain of the present utility model.Therefore, although implemented by above
This utility model is described in further detail by example, but this utility model is not limited only to above example, is not taking off
In the case of this utility model is conceived, it is also possible to include other Equivalent embodiments more, and scope of the present utility model is by institute
Attached right determines.
Claims (10)
1. a compressor pump assembly lower flange, the middle part of lower flange (1) is formed with through hole (11), it is characterised in that
The inwall end of described through hole (11) is formed with ledge structure (13), and described ledge structure (13) middle part forms oil through
(15)；A diameter of d1 of described through hole (11), a diameter of d3, the d1 ＞ d3 of described oil through (15).
Compressor pump assembly lower flange the most according to claim 1, it is characterised in that interior at described through hole (11)
Wall end is additionally provided with limited step (14), described limited step (14) relative to described ledge structure (13) further from described
The inwall termination of through hole (11)；The diameter of bore of described limited step (14) is d2, d1 ＞ d2 ＞ d3.
3. a compressor pump assembly, including bent axle (2), it is characterised in that also include elastic device (3) and such as claim
Lower flange (1) described in 1 or 2；Described elastic device (3) one end is resisted against on the bottom surface of short axle (21) of described bent axle (2), separately
One end is resisted against on ledge structure (13)；Crankshaft thrust face (22) forms gap delta with lower flange end face (12).
Compressor pump assembly the most according to claim 3, it is characterised in that limited when arranging in described through hole (11)
During step (14), position, described elastic device (3) is positioned partially at described limited step (14) and does in the hole surrounded.
5. according to the compressor pump assembly described in claim 3 or 4, it is characterised in that described elastic device (3) be spring or
Rubber ring.
Compressor pump assembly the most according to claim 5, it is characterised in that the number of active coils of described spring is more than or equal to
4。
Compressor pump assembly the most according to claim 5, it is characterised in that the two ends difference of described spring a tight circle
And polish；One end of described spring is resisted against on the bottom surface of described short axle (21) completely, and the other end is resisted against ledge structure completely
(13) on upper surface.
Compressor pump assembly the most according to claim 5, it is characterised in that described bent axle (2) middle part is formed with bent axle
Endoporus, the interior diameter of described spring or the interior diameter of rubber ring are more than the diameter of described bent axle endoporus.
9. according to the compressor pump assembly described in claim 3 or 4, it is characterised in that the numerical range of described gap delta is 0
＜ δ≤0.3mm.
10. a compressor, it is characterised in that include the compressor pump assembly as described in any one of claim 3 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620596184.7U CN205858688U (en) | 2016-06-17 | 2016-06-17 | Compressor pump assembly lower flange, compressor pump assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620596184.7U CN205858688U (en) | 2016-06-17 | 2016-06-17 | Compressor pump assembly lower flange, compressor pump assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205858688U true CN205858688U (en) | 2017-01-04 |
Family
ID=57636906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620596184.7U Active CN205858688U (en) | 2016-06-17 | 2016-06-17 | Compressor pump assembly lower flange, compressor pump assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205858688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401964A (en) * | 2016-06-17 | 2017-02-15 | 郑州凌达压缩机有限公司 | Lower flange for compressor pump body assembly, compressor pump body assembly and compressor |
| CN108194362A (en) * | 2017-12-19 | 2018-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft structure and with its compressor |
-
2016
- 2016-06-17 CN CN201620596184.7U patent/CN205858688U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401964A (en) * | 2016-06-17 | 2017-02-15 | 郑州凌达压缩机有限公司 | Lower flange for compressor pump body assembly, compressor pump body assembly and compressor |
| CN108194362A (en) * | 2017-12-19 | 2018-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft structure and with its compressor |
| CN108194362B (en) * | 2017-12-19 | 2024-04-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft structure and compressor with same |
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| GR01 | Patent grant |