CN206190530U - Compressor and compressor crankshaft supporting structure - Google Patents
Compressor and compressor crankshaft supporting structure Download PDFInfo
- Publication number
- CN206190530U CN206190530U CN201621067746.5U CN201621067746U CN206190530U CN 206190530 U CN206190530 U CN 206190530U CN 201621067746 U CN201621067746 U CN 201621067746U CN 206190530 U CN206190530 U CN 206190530U
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- China
- Prior art keywords
- crank shaft
- compressor
- bearing hole
- compressor crank
- bent axle
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- 238000005461 lubrication Methods 0.000 claims abstract description 30
- 230000001050 lubricating effect Effects 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims description 29
- 210000002435 tendon Anatomy 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses a compressor and compressor crankshaft bearing structure. The compressor crankshaft support structure comprises a shell, a support part and a crankshaft, wherein the support part is fixed in the shell; the supporting part comprises a bearing hole, one end of the crankshaft is pivotally supported in the bearing hole, a friction pair is formed between the crankshaft and the bearing hole, and a cavity is formed between the end part of one end of the crankshaft and the supporting part; the compressor crankshaft support structure further comprises a lubricating flow channel extending along the friction pair; the central hole of the crankshaft is communicated with the inner cavity of the compressor through the cavity and the lubricating flow passage in sequence. The utility model discloses the lubricated runner of accessible is lubricated vice to the friction, therefore has solved the lubrication problem behind the motor upper end increase support portion, has avoided wearing and tearing, has prolonged life, has improved the reliability, has simple structure, characteristics with low costs.
Description
Technical field
The utility model is related to compressor field, in particular to a kind of compressor and compressor crank shaft supporting construction.
Background technology
At present, some compressors increased supporting construction in the upper end of motor, but be not provided with corresponding lubrication system,
The supporting construction is caused easily to be worn and torn, reliability is not high.
For example, Fig. 1 shows a kind of structural representation of the compressor of use supporting construction.As shown in figure 1, the compressor
Housing 1 in be provided with support 2, bearing block 26, bearing 25, bent axle 3, motor stator 17 and electronics rotor 16.Wherein, bent axle 3
Upper end be supported on bearing block 26 by bearing 25.By this structure, it is possible to reduce bent axle 3 and electronics rotor 16 are in operating
During rock, enhancing rigidity.However, figure middle (center) bearing position but lacks freezing oil lubrication, cause bearing easily to wear and tear, make
Obtain the compressor reliability bad.
Utility model content
A kind of compressor and compressor crank shaft supporting construction are provided in the utility model embodiment, to solve in the prior art
During using crankshaft support structure, the bad problem of bearing lubrication.
To achieve the above object, the utility model embodiment provides a kind of compressor crank shaft supporting construction, including housing, branch
Support part and bent axle, supporting part are fixed in housing；Supporting part includes bearing hole, and one end of bent axle is pivotally supported at bearing
A friction pair is formed in hole and between bearing hole, cavity is surrounded between the end of one end of bent axle and supporting part；Compressor
Crankshaft support structure also includes the lubrication runner extended along friction pair；The centre bore of bent axle pass sequentially through cavity, lubrication runner with
The inner space of compressor.
Preferably, bearing hole is blind hole.
Preferably, bearing hole is through hole, compressor crank shaft supporting construction also includes end cap, and end cap is arranged on supporting part
Side away from bent axle simultaneously close through hole.
Preferably, lubrication runner is formed on the inwall of bearing hole and/or on the outer wall of bent axle.
Preferably, being also formed with helicla flute on the inwall of bearing hole.
Preferably, when bent axle is horizontally disposed, lubrication runner is formed in the top of the inwall of bearing hole, helicla flute is formed in
The bottom of the inwall of bearing hole, and lubrication runner is straight trough.
Preferably, compressor crank shaft supporting construction also includes the flight being arranged in the centre bore of bent axle.
Preferably, compressor crank shaft supporting construction also includes the fan on bent axle, fan is located at supporting part
Lower section.
Preferably, fan include base plate and convex tendon, convex tendon along base plate the close supporting part one for being radially arranged in base plate
On the surface of side, multiple through holes are also opened on base plate.
Preferably, the centre bore in bent axle includes epimere and hypomere, in the end insertion bearing hole of epimere, wherein, on
Aperture of the aperture of section more than or equal to hypomere.
Preferably, supporting part includes support and support member, support member includes mounting flange and vertical with mounting flange connects
The axle sleeve for connecing, axle sleeve is internally formed bearing hole, and axle sleeve is arranged on branch through the mounting hole on support, mounting flange by screw
On frame.
The utility model additionally provides a kind of compressor, including above-mentioned compressor crank shaft supporting construction.
The utility model can be lubricated by lubricating runner to friction pair, thus be solved in motor upper end increase support
Lubrication problem behind portion, it is to avoid abrasion, extend service life, improve reliability, spy with simple structure, low cost
Point.
Brief description of the drawings
Fig. 1 is compressor crank shaft mounting structure schematic diagram of the prior art；
Fig. 2 is the compressor crank shaft mounting structure schematic diagram in the utility model first embodiment；
Fig. 3 is the compressor crank shaft mounting structure schematic diagram in the utility model second embodiment；
Fig. 4 is the compressor crank shaft mounting structure schematic diagram in the utility model 3rd embodiment；
Fig. 5 is the structural representation of the support member with helicla flute in the utility model；
Fig. 6 is the compressor crank shaft mounting structure schematic diagram in the utility model fourth embodiment；
Fig. 7 is the compressor crank shaft mounting structure schematic diagram in the embodiment of the utility model the 5th；
Fig. 8 is the structural representation of the flight of the utility model embodiment；
Fig. 9 is the compressor crank shaft mounting structure schematic diagram in the utility model sixth embodiment；
Figure 10 is the structural representation of the fan of the utility model embodiment；
Figure 11 is the compressor crank shaft mounting structure schematic diagram in the 7th embodiment of the utility model embodiment.
Description of reference numerals：1st, housing；2nd, support；3rd, bent axle；4th, support member；5th, bearing hole；6th, cavity；7th, lubrication flow
Road；8th, end cap；9th, helicla flute；10th, flight；11st, fan；12nd, epimere；13rd, hypomere；14th, base plate；15th, convex tendon；16th, electronics
Rotor；17th, motor stator；18th, upper flange；19th, lower flange；20th, oil sump；21st, mounting flange；22nd, axle sleeve；23rd, screw；24、
Region；25th, bearing；26th, bearing block；27th, through hole.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as to this practicality
New restriction.
Fig. 2 to Figure 11 is refer to, the utility model provides a kind of compressor crank shaft supporting construction, and it can be to bent axle branch
Support structure is preferably lubricated.
In the compressor shown in Fig. 2, the compressor includes housing 1, supporting part and bent axle 3.Wherein, supporting part is regularly
It is arranged in housing 1, wherein, a bearing hole 5 is provided with supporting part, so, one end of bent axle 3 is pivotally
It is supported in bearing hole 5 and a friction pair is formed between bearing hole 5.As shown in Fig. 2 the end of one end of bent axle 3 and branch
A cavity 6 is surrounded between support part.Especially, the friction pair can be not only sliding friction pair, it is also possible to be provided with rolling
The rolling friction pair of bearing.Oil sump 20 is formed on the bottom of housing 1, and upper flange 18 and lower flange 19 are provided with bent axle 3.
In order to realize the lubrication to above-mentioned friction pair, the utility model is provided with a lubrication runner extended along friction pair
7, one end of the lubrication runner 7 connects with cavity 6, the inner space of the other end and compressor, so, the centre bore of bent axle 3 according to
The secondary inner space by cavity 6, lubrication runner 7 and compressor.
As shown in Fig. 2 the supporting part in the utility model serves as the effect of bearing, deflection of crankshaft can be prevented.Bent axle
With rotated in the bearing hole of the supporting part so as to form a friction pair.Due to being formed with a lubrication runner in the friction pair
7, so, after the refrigeration oil or gas mixture flowed out from the centre bore of bent axle 3 enter cavity 6, can be by the lubrication runner 7
Outflow cavity 6, and be back in oil sump 20, so as to be lubricated to friction pair, thus solve in motor upper end increase support
Lubrication problem behind portion, it is to avoid abrasion, extend service life, improve reliability, spy with simple structure, low cost
Point.
In the embodiment shown in Figure 2, bearing hole 5 uses blind hole structure, to change the stream of refrigeration oil or gas mixture
Dynamic direction, forces refrigeration oil or gas mixture by friction pair, so as to be lubricated to friction pair.
In the embodiment shown in fig. 3, the supporting part in the utility model includes support 2 and support member 4, and support member 4 is wrapped
Include mounting flange 21 and with mounting flange 21 axle sleeve 22 connected vertically, axle sleeve 22 is internally formed bearing hole 5, and axle sleeve 22 is passed through
Mounting hole on support 2, mounting flange 21 is arranged on support 2 by screw 23.During installation, support 2 is by welding or interference
Cooperation is fixed on housing 1, and support member 4 is locked on support 2 by screw 23, so, can tighten screw when bent axle 3 is rotated
23, so as to ensure that bearing hole 5 is concentric with bent axle.
In other feasible embodiments (such as the embodiment shown in Fig. 4), the bearing hole 5 in the utility model can also be adopted
With through-hole structure, now, the compressor crank shaft supporting construction in the utility model also includes end cap 8, during installation, end cap 8 is pacified
Mounted in supporting part is away from the side of bent axle 3 and closes through hole to form above-mentioned cavity 6.
In the utility model, lubrication runner 7 can be formed on the inwall of bearing hole 5 and/or on the outer wall of bent axle 3
Straight trough, its along bent axle 3 axis extend so that refrigeration oil or gas mixture are by friction pair.
In the preferred embodiment shown in Fig. 4 and Fig. 5, the utility model formed also on the inwall of bearing hole 5 one or
Multiple helicla flutes 9.In rotarily driving under effect for bent axle 3, helicla flute 9 can provide motion to refrigeration oil or gas mixture
Power (is acted on) equivalent to oil pump, such that it is able to improve the amount of refrigeration oil or gas mixture by friction pair, is rubbed with strengthening
Wipe the lubrication between pair.
Fig. 6 shows the schematic diagram being applied to the utility model in horizontal compressor.As shown in fig. 6, bent axle 3 now
Horizontally disposed, lubrication runner 7 is formed in the top of the inwall of bearing hole 5, and helicla flute 9 is formed in the bottom of the inwall of bearing hole 5,
And lubrication runner 7 is straight trough.During compressor operating, gas mixture out changes direction afterwards from the centre bore of bent axle 3, wherein one
Partial freeze oil is fallen into cavity 6, and gas then flows out cavity 6 from straight trough, meanwhile, under the pumping effect of helicla flute 9, freezing
Oil flows out cavity 6 from helicla flute 9, and pumping ability can be not only strengthened using helicla flute 9, can also increase lubrication area, so that
Strengthen the lubrication to friction pair.
Fig. 7 is refer to, in this preferred embodiment, the utility model sets a spiral also in the centre bore of bent axle 3
Piece 10, is flowed up with strengthening refrigeration oil or gas mixture.Preferably, the flight 10 can be formed by thin slice after distortion,
The part has thrust when high speed rotates to refrigeration oil or gas mixture.
In the embodiment shown in Fig. 9 and Figure 10, the utility model honest and upright official can install a fan 11 on bent axle 3,
And the fan 11 is located at the lower section of supporting part.During work, fan 11, can be past by the gas at the center of fan 11 in the case where high speed rotates
Outer rotation, so that the pressure in the region 24 on the downside of supporting part is in compared with low state, so as to strengthen refrigeration oil or oil gas
Mixture is by friction pair, so as to strengthen lubrication.
It is highly preferred that refer to Figure 10, the fan 11 in the utility model includes base plate 14 and convex tendon 15, and convex tendon 15 is the bottom of along
Being radially arranged on the surface of close supporting part side of base plate 14 for plate 14, is also opened in multiple through holes 27 on base plate 14.Wind
The prominent muscle structure of fan, in high-speed rotation, can outward throw away gas so that fan center position forms a pressure
The region of reduction, i.e. in supporting part area of low pressure formed below, in the presence of pressure difference, refrigeration oil or oil gas are mixed
Compound can be more by friction pair so that friction lubricating is more abundant.Wherein, central through hole be in order that bent axle can
To pass through, the through hole 27 of surrounding is that fan is arranged on rotor to use, i.e. rotor is provided with spiral shell in fan through hole correspondence position
, can be fixed on fan on rotor by screw by pit, or by being cast with aluminium pin on rotor, be made by the riveting of aluminium pin
Fan is obtained to be fixed on rotor.
Preferably, the centre bore in bent axle 3 includes epimere 12 and hypomere 13, in the end insertion bearing hole 5 of epimere 12, its
In, the aperture of the aperture more than or equal to hypomere 13 of epimere 12.It is arranged such, refrigeration oil under the action of the centrifugal force, can reach
Position higher, so that the lubrication of supporting part is more abundant.
The utility model additionally provides a kind of compressor, including above-mentioned compressor crank shaft supporting construction.
Certainly, above is preferred embodiment of the present utility model.It should be pointed out that for the ordinary skill of the art
For personnel, on the premise of the utility model general principle is not departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also considered as with retouching.
Claims (12)
1. a kind of compressor crank shaft supporting construction, it is characterised in that including housing (1), supporting part and bent axle (3), the support
Portion is fixed in the housing (1)；
The supporting part includes bearing hole (5), one end of the bent axle (3) be pivotally supported in the bearing hole (5) and
A friction pair is formed between the bearing hole (5), between the end of described one end of the bent axle (3) and the supporting part
Surround cavity (6)；
The compressor crank shaft supporting construction also includes the lubrication runner (7) extended along the friction pair；
The centre bore of the bent axle (3) passes sequentially through the cavity (6), the inner chamber for lubricating runner (7) and the compressor
Connection.
2. compressor crank shaft supporting construction according to claim 1, it is characterised in that the bearing hole (5) is blind hole.
3. compressor crank shaft supporting construction according to claim 1, it is characterised in that the bearing hole (5) is through hole, institute
Stating compressor crank shaft supporting construction also includes end cap (8), and the end cap (8) is installed in the supporting part away from the bent axle
(3) side simultaneously the through hole is closed.
4. compressor crank shaft supporting construction according to claim 1, it is characterised in that the lubrication runner (7) is formed in
On the inwall of the bearing hole (5) and/or on the outer wall of the bent axle (3).
5. compressor crank shaft supporting construction according to claim 1, it is characterised in that on the inwall of the bearing hole (5)
It is also formed with helicla flute (9).
6. compressor crank shaft supporting construction according to claim 5, it is characterised in that when the bent axle (3) is horizontally disposed with,
Lubrication runner (7) is formed in the top of the inwall of the bearing hole (5), and the helicla flute (9) is formed in the bearing hole
(5) bottom of inwall, and lubrication runner (7) is straight trough.
7. compressor crank shaft supporting construction according to claim 1, it is characterised in that the compressor crank shaft supporting construction
Also include the flight (10) being arranged in the centre bore of the bent axle (3).
8. compressor crank shaft supporting construction according to claim 1, it is characterised in that the compressor crank shaft supporting construction
Also include the fan (11) on the bent axle (3), the fan (11) is positioned at the lower section of the supporting part.
9. compressor crank shaft supporting construction according to claim 8, it is characterised in that the fan (11) is including base plate
(14) and convex tendon (15), the convex tendon (15) along the base plate (14) the close described branch for being radially arranged in the base plate (14)
On the surface of support part side, multiple through holes (27) are also opened on the base plate (14).
10. compressor crank shaft supporting construction according to claim 1, it is characterised in that the centre bore in the bent axle (3)
Including epimere (12) and hypomere (13), in the end insertion bearing hole (5) of the epimere (12), wherein, the epimere
(12) aperture of the aperture more than or equal to the hypomere (13).
11. compressor crank shaft supporting constructions according to claim 1, it is characterised in that the supporting part includes support (2)
With support member (4), the support member (4) including mounting flange (21) and with the mounting flange (21) axle sleeve connected vertically
(22), the axle sleeve (22) is internally formed the bearing hole (5), and the axle sleeve (22) is through the installation on the support (2)
Hole, the mounting flange (21) is arranged on the support (2) by screw.
12. a kind of compressors, it is characterised in that support knot including the compressor crank shaft any one of claim 1 to 11
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067746.5U CN206190530U (en) | 2016-09-20 | 2016-09-20 | Compressor and compressor crankshaft supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621067746.5U CN206190530U (en) | 2016-09-20 | 2016-09-20 | Compressor and compressor crankshaft supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190530U true CN206190530U (en) | 2017-05-24 |
Family
ID=58728630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621067746.5U Active CN206190530U (en) | 2016-09-20 | 2016-09-20 | Compressor and compressor crankshaft supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206190530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286303A (en) * | 2016-09-20 | 2017-01-04 | 珠海凌达压缩机有限公司 | Compressor and compressor crankshaft supporting structure |
-
2016
- 2016-09-20 CN CN201621067746.5U patent/CN206190530U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286303A (en) * | 2016-09-20 | 2017-01-04 | 珠海凌达压缩机有限公司 | Compressor and compressor crankshaft supporting structure |
| CN106286303B (en) * | 2016-09-20 | 2018-10-23 | 珠海格力电器股份有限公司 | Compressor and compressor crankshaft supporting structure |
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| GR01 | Patent grant |