CN106401964A - Lower flange for compressor pump body assembly, compressor pump body assembly and compressor - Google Patents
Lower flange for compressor pump body assembly, compressor pump body assembly and compressor Download PDFInfo
- Publication number
- CN106401964A CN106401964A CN201610435179.2A CN201610435179A CN106401964A CN 106401964 A CN106401964 A CN 106401964A CN 201610435179 A CN201610435179 A CN 201610435179A CN 106401964 A CN106401964 A CN 106401964A
- Authority
- CN
- China
- Prior art keywords
- lower flange
- pump assembly
- compressor pump
- hole
- compressor
- Prior art date
- 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.)
- Granted
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Classifications
-
- 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
-
- 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
- F04C29/02—Lubrication; Lubricant separation
-
- 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
- F04C2240/00—Components
- F04C2240/80—Other components
Abstract
The invention discloses a lower flange for a compressor pump body assembly, a compressor pump body assembly and a compressor, belongs to the technical field of compressors and fittings thereof, and aims to solve the problems such as severe abrasion of an existing structure. A through hole is formed in the middle part of the lower flange for the compressor pump body assembly; a step structure is formed on the inner wall end head of the through hole; an oil introducing hole is formed in the middle of the step structure; and the diameter of the through hole is d1, and the diameter of the oil introducing hole is d3, and d1 is greater than d3. The compressor pump body assembly comprises a crankshaft, an elastic device and the lower flange; one end of the elastic device abuts against the bottom surface of the short shaft of the crankshaft, and the other end of the elastic device abuts against the step structure; and a gap Sigma is formed between a thrust surface of the crankshaft and the end surface of the lower flange. Rigid contact between the thrust surface of the crankshaft and the end surface of the lower flange is avoided through the lower flange for the compressor pump body assembly, the compressor pump body assembly and the compressor, so that abrasion of parts is reduced; and an oil film can be established better, so that friction loss of the pump body assembly is reduced.
Description
Technical field
The present invention relates to compressor and its accessory technical field, under more particularly, to a kind of compressor pump assembly
Flange, the compressor pump assembly including this lower flange and the compression including this compressor pump assembly
Machine.
Background technology
Compressor pump assembly is the important component part of compressor, mainly include rotor part, bent axle and under
Flange.
As depicted in figs. 1 and 2, the middle part of existing lower flange 1 is through hole 11, forms compressor pump assembly
The short axle 21 of bent axle 2 penetrates in through hole 11 afterwards, now bent under the action of gravity of rotor part and bent axle 2
Axle thrust surface 22 abuts directly against on lower flange end face 12.
The defect of this structure is：Crankshaft thrust face 22 and lower flange end face 12 rigid contact, friction pair is long
Phase is in heavy condition, and during compressor operation, crankshaft thrust face 22 easily weares and teares lower flange end face 12, leads to press
Contracting acc power increases；In high speed, the working environment of high temperature, lubrication state and friction and wear characteristic etc. are to pressure
The normal operation of contracting machine has very important impact, and wear extent increases with the rotating speed of bent axle 2, bent axle stops
The load of pushing surface 22 increases and the area of crankshaft thrust face 22 increases and increases；Further, since bent axle 2
During processing crankshaft thrust face 22 cannot fully erased burr etc., lead to bent axle 2 and lower flange during compressor operation
1 friction produces abnormal sound.
Content of the invention
It is an object of the present invention to proposing the compressor that a kind of through-hole wall end is formed with ledge structure
Pump assembly lower flange.
Further object is that proposing one kind to avoid rigidity between crankshaft thrust face and lower flange end face
The compressor pump assembly of contact.
Another object of the present invention is to propose between a kind of crankshaft thrust face and lower flange end face no abrasion
Compressor.
For reaching this purpose, on the one hand, the present invention employs the following technical solutions：
A kind of compressor pump assembly lower flange, the middle part of lower flange is formed with through hole, in described through hole
Inwall end is formed with ledge structure, forms oil through in the middle part of described ledge structure；The diameter of described through hole
For d1, a diameter of d3 of described oil through, d1 ＞ d3.
Particularly, it is additionally provided with limited step in the inwall end of described through hole, described limited step is relatively
In described ledge structure further from described through hole inwall termination；The diameter of bore of described limited step is d2,
D1 ＞ d2 ＞ d3.
On the other hand, the present invention employs 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 the short axle of described bent axle, and the other end is resisted against on ledge structure；Bent
Axle thrust surface forms gap delta with lower flange end face.
Particularly, when being provided with limited step in described through hole, described elastic device is positioned partially at institute
State limited step to do in the hole surrounding.
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 simultaneously tight one are enclosed and are polished respectively；One end of described spring completely against
On the bottom surface of described short axle, the other end is resisted against on the upper surface of ledge structure completely.
Particularly, be formed with bent axle endoporus in the middle part of described bent axle, the interior diameter of described spring or rubber ring interior
Diameter with diameter greater than described bent axle endoporus.
Particularly, the numerical range of described gap delta is 0 ＜ δ≤0.3mm.
Another further aspect, the present invention employs the following technical solutions：
A kind of compressor, including above-mentioned compressor pump assembly.
The through-hole wall end of compressor pump assembly lower flange of the present invention is formed with ledge structure, can be
On step surface, setting supports the device of bent axle short axle, plays axial supporting role to bent axle short axle.
The crankshaft thrust face of compressor pump assembly of the present invention forms gap delta with lower flange end face, it is to avoid bent axle
Rigid contact between thrust surface and lower flange end face, reduces the abrasion of part；Can preferably set up at gap delta
Oil film, reduces the friction loss of pump assembly.
Compressor of the present invention includes above-mentioned compressor pump assembly, between crankshaft thrust face and lower flange end face
Non-rigid contact, no weares and teares between crankshaft thrust face and lower flange end face；Oil can preferably be set up at gap delta
Film, reduces the friction loss of compressor pump assembly.
Brief description
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 the preferred embodiment of the present invention one provides；
Fig. 4 is the structural representation of the lower flange that the preferred embodiment of the present invention one provides；
Fig. 5 is the structural representation of the compressor pump assembly that the preferred embodiment of the present invention two provides；
Fig. 6 is the structural representation of the lower flange that the preferred embodiment of the present invention two provides.
In figure：
1st, lower flange；2nd, bent axle；3rd, elastic device；11st, through hole；12nd, lower flange end face；13、
Ledge structure；14th, limited step；15th, oil through；21st, short axle；22nd, crankshaft thrust face.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
Preferred embodiment one：
This preferred embodiment discloses a kind of compressor pump assembly lower flange and the pressure including this lower flange
Contracting machine pump assembly.As shown in figure 4, the middle part of this lower flange 1 is formed with through hole 11, in through hole 11
Wall end is formed with ledge structure 13, and ledge structure 13 middle part forms oil through 15；The diameter of through hole 11
For d1, a diameter of d3 of oil through 15, d1 ＞ d3.
As shown in figure 3, compressor pump assembly includes bent axle 2, elastic device 3 and lower flange 1；Elasticity dress
Put 3 one end to be resisted against on the bottom surface of short axle 21 of bent axle 2, the other end is resisted against on ledge structure 13；Bent
Axle thrust surface 22 forms gap delta with lower flange end face 12.Wherein, the numerical range of gap delta be 0 ＜ δ≤
0.3mm.The diameter of short axle 21 is less than or equal to a diameter of d1 of through hole 11.
Elastic device 3 carries out axial support to the short axle 21 of bent axle 2, is used for overcoming part gravity, makes bent axle
Thrust surface 22 produces gap delta with lower flange end face 12, it is to avoid make crankshaft thrust face 22 and lower flange end face 12
Between rigid contact and produce fretting wear；Preferably oil film can be set up, for friction at gap delta position
Secondary friction loss lubrication being provided, reducing pump assembly；Crankshaft thrust exempt from back chipping, deburring not thoroughly when also
Abnormal sound will not be produced because of friction.
Elastic device 3 can be spring or rubber ring, can also be other structures, can be to the short axle of bent axle 2
21 carry out axially supporting.Wherein, the number of active coils of spring is more than or equal to 4；The two ends of spring are respectively simultaneously
A tight circle and polish it is ensured that one end of spring can be on bottom surface smooth, that be resisted against short axle 21 completely, the other end
Can on upper surface smooth, that be resisted against ledge structure 13 completely, that is, ensure both ends of the spring respectively with bent axle 2
The ledge structure 13 of short axle 21 and lower flange 1 is stable to be supported.
It is formed with bent axle endoporus, oil through 15 is used for pump assembly and the connection of freezing oil sump in the middle part of bent axle 2.
The interior diameter of the interior diameter of spring or rubber ring is more than the diameter of bent axle endoporus it is ensured that freezing oil can be successfully
Enter pump assembly inside and bent axle endoporus.
Preferred embodiment two：
This preferred embodiment discloses a kind of compressor pump assembly lower flange and the pressure including this lower flange
Contracting machine pump assembly, its structure is essentially identical with preferred embodiment one, and difference is, as Fig. 6 institute
Show, this compressor pump assembly lower flange is additionally provided with limited step 14 in the inwall end of through hole 11,
Limited step 14 with respect to ledge structure 13 further from through hole 11 inwall termination；Limited step 14 interior
Bore dia is d2, d1 ＞ d2 ＞ d3.
As shown in figure 5, in compressor pump assembly, elastic device 3 is positioned partially at limited step 14 institute
For, in the hole that surrounds, limited step 14 plays spacing, fixing effect to elastic device 3, it is to avoid elasticity dress
Put 3 to shift.
Preferred embodiment three：
This preferred embodiment discloses a kind of compressor, including the compressor pump as described in preferred embodiment one or two
Body assembly.Crankshaft thrust face produces gap delta with lower flange end face, it is to avoid make crankshaft thrust face and lower flange end
Rigid contact between face and produce fretting wear；Preferably oil film can be set up, for rubbing at gap delta position
Wipe secondary friction loss lubrication being provided, reducing pump assembly；Crankshaft thrust exempt from back chipping, deburring not thoroughly when
Also abnormal sound will not be produced because of friction.
Note, above are only presently preferred embodiments of the present invention and the know-why used.People in the art
Member, it will be appreciated that the invention is not restricted to specific embodiment described here, for a person skilled in the art can
Carry out various obvious changes, readjust and substitute without departing from protection scope of the present invention.Therefore,
Although being described in further detail to the present invention by above example, the present invention is not limited only to
Above example, without departing from the inventive concept, can also include other equivalence enforcements more
Example, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of compressor pump assembly lower flange, the middle part of lower flange (1) is formed with through hole (11),
It is characterized in that, it is formed with ledge structure (13) in the inwall end of described through hole (11), described
Form oil through (15) in the middle part of stage structure (13)；A diameter of d1 of described through hole (11), described logical oil
A diameter of d3 in hole (15), d1 ＞ d3.
2. compressor pump assembly lower flange according to claim 1 is it is characterised in that described
The inwall end of through hole (11) is additionally provided with limited step (14), described limited step (14) with respect to
Described ledge structure (13) is further from the inwall termination of described through hole (11)；Described limited step (14)
Diameter of bore be d2, d1 ＞ d2 ＞ d3.
3. a kind of compressor pump assembly, including bent axle (2) it is characterised in that also including elastic device (3)
With lower flange as claimed in claim 1 or 2 (1)；Described elastic device (3) one end is resisted against described song
On the bottom surface of short axle (21) of axle (2), the other end is resisted against on ledge structure (13)；Crankshaft thrust face
(22) form gap delta with lower flange end face (12).
4. compressor pump assembly according to claim 3 is it is characterised in that work as in described through hole (11)
In when being provided with limited step (14), described elastic device (3) is positioned partially at described limited step (14)
Do in the hole surrounding.
5. the compressor pump assembly according to claim 3 or 4 is it is characterised in that described elasticity fills
Putting (3) is spring or rubber ring.
6. compressor pump assembly according to claim 5 it is characterised in that described spring effective
The number of turns is more than or equal to 4.
7. compressor pump assembly according to claim 5 is it is characterised in that the two ends of described spring
Simultaneously tight one enclose and polish respectively；One end of described spring is resisted against on the bottom surface of described short axle (21) completely,
The other end is resisted against on the upper surface of ledge structure (13) completely.
8. compressor pump assembly according to claim 5 is it is characterised in that described bent axle (2)
Middle part is formed with bent axle endoporus, and the interior diameter of described spring or the interior diameter of rubber ring are more than described bent axle endoporus
Diameter.
9. the compressor pump assembly according to claim 3 or 4 is it is characterised in that described gap delta
Numerical range be 0 ＜ δ≤0.3mm.
10. a kind of compressor is it is characterised in that include the compression as described in any one of claim 3 to 9
Machine pump assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610435179.2A CN106401964B (en) | 2016-06-17 | 2016-06-17 | Compressor pump component lower flange, compressor pump component and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610435179.2A CN106401964B (en) | 2016-06-17 | 2016-06-17 | Compressor pump component lower flange, compressor pump component and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106401964A true CN106401964A (en) | 2017-02-15 |
| CN106401964B CN106401964B (en) | 2018-11-13 |
Family
ID=58006700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610435179.2A Active CN106401964B (en) | 2016-06-17 | 2016-06-17 | Compressor pump component lower flange, compressor pump component and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106401964B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696298U (en) * | 2010-03-23 | 2011-01-05 | 珠海格力电器股份有限公司 | Rotary compressor with eccentric crankshaft supported by lower muffler |
| CN202228361U (en) * | 2011-10-18 | 2012-05-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Rolling rotor type compressor |
| CN104500398A (en) * | 2014-11-18 | 2015-04-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and controlling method |
| CN205858688U (en) * | 2016-06-17 | 2017-01-04 | 郑州凌达压缩机有限公司 | Compressor pump assembly lower flange, compressor pump assembly and compressor |
-
2016
- 2016-06-17 CN CN201610435179.2A patent/CN106401964B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696298U (en) * | 2010-03-23 | 2011-01-05 | 珠海格力电器股份有限公司 | Rotary compressor with eccentric crankshaft supported by lower muffler |
| CN202228361U (en) * | 2011-10-18 | 2012-05-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Rolling rotor type compressor |
| CN104500398A (en) * | 2014-11-18 | 2015-04-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and controlling method |
| CN205858688U (en) * | 2016-06-17 | 2017-01-04 | 郑州凌达压缩机有限公司 | Compressor pump assembly lower flange, compressor pump assembly and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106401964B (en) | 2018-11-13 |
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