CN207920865U - Bent axle and compressor - Google Patents
Bent axle and compressor Download PDFInfo
- Publication number
- CN207920865U CN207920865U CN201820343994.0U CN201820343994U CN207920865U CN 207920865 U CN207920865 U CN 207920865U CN 201820343994 U CN201820343994 U CN 201820343994U CN 207920865 U CN207920865 U CN 207920865U
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- Prior art keywords
- hole
- oil transportation
- bent axle
- interconnecting piece
- transportation hole
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Abstract
The utility model discloses a kind of bent axle and compressors, the oil transportation hole (4) axially extended is provided in the bent axle, wherein in the oil transportation hole (4) for being provided with plug cock (5) to the fuel feeding end of the interior fuel feeding of the oil transportation hole (4), there is the plug cock (5) through-hole (53) being connected to the oil transportation hole (4), the diameter of the through-hole (53) to be less than the diameter of the oil transportation hole (4).Bent axle and compressor disclosed by the utility model, fluid can be sucked in oil transportation hole in bent axle rotary course and be transported to each friction pair by plug cock and be lubricated cooling, it can be to avoid being caused due to there are positive pressure, negative pressure appearance to the secondary non-uniform problem of fluid conveyed of each friction by the way that blade delivering oil is arranged in oil transportation hole in the prior art.
Description
Technical field
The utility model is related to Compressor Technology fields, more particularly to a kind of bent axle and compressor.
Background technology
There are violent friction between rotary compressor, the components such as high-speed rotating bent axle and piston, bearing and cylinder,
A large amount of heat is generated, these heats can so that compressor internal intensity reduces and abrasion, serious meeting make all parts burn
Knot.For this purpose, needing a large amount of lubricating oil to be lubricated and radiate between each friction is secondary.
In the prior art, axially disposed in bent axle to have oil transportation hole, oil is drawn onto in bent axle by oil transportation hole and is conveyed again
To between each friction pair, play the role of lubrication to each friction pair.
To enable oil transportation hole to suck fluid, blade usually is set in the fuel feeding end in oil transportation hole, is being revolved using blade
Lift during turning makes fluid rise in oil transportation hole, and is thrown in the radial hole being connected to each friction pair, still, by
Positive and negative pressure phenomenon is will produce in rotary course in blade, some radial holes is caused to be isolated in zone of positive pressure, and some radial holes
It is more to separate the fluid for thus causing to enter in the radial hole having in negative pressuren zone, and do not entered into some radial holes fluid or
Only seldom fluid enters, some friction pairs cannot be lubricated and be cooled down well in this way.
Utility model content
It is secondary defeated to each friction that the purpose of this utility model is to overcome the fluid in oil transportation hole in bent axle in the prior art
Send non-uniform problem.
To achieve the goals above, on the one hand the utility model provides a kind of bent axle, is provided in an axial direction in the bent axle
The oil transportation hole of extension, wherein the fuel feeding end of fuel feeding into the oil transportation hole that is used in the oil transportation hole is provided with plug cock, it is described
Plug cock has the through-hole being connected to the oil transportation hole；Wherein, the relationship of the diameter d of the through-hole and the diameter D in the oil transportation hole
It is：0.25≤d/D≤0.9.
Preferably, the through-hole is the centre bore coaxial with the oil transportation hole of the plug cock.
Preferably, the plug cock includes interconnecting piece for being inserted into the oil transportation hole and is set in described interconnecting piece one end
The flange part set.
Preferably, internal thread, the interconnecting piece setting of the plug cock are provided in the fuel feeding end in the oil transportation hole
There are external screw thread, the interconnecting piece to be threadedly attached in the fuel feeding end.
Preferably, fluted, the interconnecting piece of the plug cock is set on the inner wall of the fuel feeding end in the oil transportation hole
Above radially projecting to be provided with protrusion, the interconnecting piece is stuck in by the protrusion in the groove fixed.
Preferably, the inner wall upper edge circle spacing of the fuel feeding end is provided with multiple grooves, the interconnecting piece upper edge
Circle spacing is provided with multiple protrusions coordinated respectively with the groove；
Alternatively, the groove is the annular groove of the circumferentially extending along the oil transportation hole, the protrusion is along the interconnecting piece
Circumferentially disposed loop configuration or the protrusion it is multiple along being provided at circumferentially spaced for the interconnecting piece.
Preferably, the interconnecting piece is fixed on by interference fit in the oil transportation hole.
Preferably, it is at least two that one end far from the flange part of the interconnecting piece, which is provided with the end radial separations,
Partial separation trough.
Preferably, the through-hole diameter is consistent in the axial direction or the through-hole include multiple and different diameters hole
Section.
Another aspect according to the present utility model, also provides a kind of compressor, and the compressor is provided with as described above
Bent axle, the bent axle include sequentially connected main shaft section, eccentric segment and countershaft section, and the fuel feeding end in the oil transportation hole is described
The end of countershaft section.
Technical solution provided by the utility model, in bent axle rotary course, oil transportation hole can suck fluid by plug cock
And be transported to each friction pair and be lubricated cooling, which can avoid in the prior art by blade delivering oil because depositing
Positive pressure, negative pressure appearance and lead to the non-uniform problem of fluid to the secondary conveying of each friction.And it is provided by the utility model
Technical solution, it is simple in structure, it realizes and is easy.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
Fig. 1 is the structural representation for the fuel feeding end that oil transportation hole is mounted on according to plug cock in the first embodiment of the utility model
Figure；
Fig. 2 be the utility model first embodiment in plug cock structural schematic diagram；
Fig. 3 is the partial sectional for the fuel feeding end that oil transportation hole is mounted on according to plug cock in the second embodiment of the utility model
Schematic diagram；
Fig. 4 be the utility model second embodiment in plug cock structural schematic diagram；
Fig. 5 be the utility model second embodiment in plug cock another structural schematic diagram；
Fig. 6 be the utility model second embodiment in plug cock another structural schematic diagram；
Fig. 7 be the utility model second embodiment in plug cock yet another construction schematic diagram；
Fig. 8 is the partial sectional for the fuel feeding end that oil transportation hole is mounted on according to plug cock in the third embodiment of the utility model
Schematic diagram；
Fig. 9 is the structural schematic diagram according to plug cock in the third embodiment of the utility model；
Figure 10 be the utility model third embodiment in plug cock another structural schematic diagram；
Figure 11 is the structural schematic diagram according to plug cock in the 4th embodiment of the utility model；
Figure 12 be the utility model the 4th embodiment in plug cock another structural schematic diagram；
Effective fuel head that Figure 13 can reach for the diameter of plug cock through-hole and the ratio of oil transportation bore dia and fluid
Relation curve.
Reference sign：
1- main shaft sections；2- eccentric segments；3- countershaft sections；4- oil transportations hole；41- grooves；5- plug cocks；51- interconnecting pieces；52- flanges
Portion；53- through-holes；The protrusions 54-；55- separation troughs；The first radial holes of 6-；The second radial holes of 7-；8- third radial holes.
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific implementation mode is only used for describing and explaining the present invention, and is not intended to limit the utility model.
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
The fingers such as degree ", " thickness ", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise "
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration
And operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are used for description purposes only,
It is not understood to indicate or imply relative importance or implicitly indicates the quantity of indicated technical characteristic.It limits as a result,
There is the feature of " first ", " second " to can explicitly or implicitly include one or more this feature.In the utility model
Description in, the meaning of " plurality " is two or more, unless otherwise specifically defined.
The utility model provides a kind of bent axle, as shown in Figure 1, the oil transportation hole 4 axially extended is provided in the bent axle,
In oil transportation hole 4 for into oil transportation hole 4 fuel feeding end of fuel feeding be provided with plug cock 5, the plug cock 5 has and oil transportation hole 4 connects
Logical through-hole 53, the diameter of the through-hole 53 are less than the diameter in oil transportation hole 4.Normally, the through-hole 53 of plug cock 5 is preferably on plug cock 5
The centre bore coaxial with oil transportation hole 4 being arranged.Wherein, the relationship of the diameter D of the diameter d and oil transportation hole 4 of the through-hole 53 of plug cock 5
For：0.25≤d/D≤0.9.
As shown in figure 13, in the range of 0.25≤d/D≤0.9, the fluid institute energy in oil transportation hole 4 is entered from plug cock 5
The height (i.e. effective liquid level) of arrival is higher, to which fluid can be delivered in the friction pair in wide range.Wherein, institute
It refers to from fuel feeding end to the hole section needed in fluid coverage area, as needed the fluid that plug cock 5 sucks super in Fig. 1 to state oil transportation hole 4
The height of each radial hole is crossed with can be to each radial hole oiling, therefore, the oil transportation hole 4 in Fig. 1 refers to that lower diameter is larger
The diameter D of hole section, oil transportation hole 4 said here refers to the diameter of the larger hole section of bent axle lower diameter shown in Fig. 1.
In use, the fuel feeding end in the oil transportation hole 4 of the bent axle is normally immersed into fluid, and in bent axle rotary course, oil sump
In fluid be inhaled into oil transportation hole 4 by the through-hole 53 of plug cock 5, then under the influence of centrifugal force, fluid rises, and radial
It is secondary that each friction is lubricated on into the wall in oil transportation hole 4 in set each radial hole.Technical solution provided by the utility model
It is to be illustrated by taking the bent axle for rotary compressor shown by Fig. 1 as an example, which includes the main shaft section being sequentially connected
1, eccentric segment 2 (including two eccentric segments 2 herein) and countershaft section 3, the fuel feeding end in oil transportation hole 4 is in the end of countershaft section 3.In song
When axis is installed within the compressor, which immerses in the oil sump of compressor, can be by the oil in oil sump in bent axle rotary course
Liquid is transported to by plug cock 5 in oil transportation hole 4, and then fluid travels further at eccentric segment 2 of first radial hole 6 to lubricate lower part
Friction it is secondary, into the second radial hole 7 with the friction pair at the eccentric segment of lubricating upper, into third radial hole 8 in lubrication
Friction pair between bearing (not shown) and bent axle.It will be appreciated by persons skilled in the art that the utility model technology
Bent axle in scheme is not limited to structure shown in FIG. 1, for fluid to be sucked to the bent axle in oil transportation hole from the fuel feeding end in oil transportation hole
Technical solution provided by the utility model can be used.
Technical solution provided by the utility model, oil transportation hole 4 can suck fluid by plug cock 5 in bent axle rotary course
And be transported to each friction pair and enter lubrication, which can avoid in the prior art by blade delivering oil because existing
Positive pressure, negative pressure appearance and lead to the non-uniform problem of fluid to the secondary conveying of each friction.And skill provided by the utility model
Art scheme, it is simple in structure, it realizes and is easy.
In technical solution provided by the utility model, plug cock 5 can be mounted on the fuel feeding end in oil transportation hole 4 by various modes,
The structure and mounting means of plug cock 5 are described in detail below by each specific implementation mode.
Embodiment one
Plug cock 5 is that the mode being connected through a screw thread is mounted on the fuel feeding end in oil transportation hole 4 in the embodiment.
It is specific as depicted in figs. 1 and 2, plug cock 5 includes interconnecting piece 51 for being inserted into oil transportation hole 4 and in interconnecting piece 51
One end setting flange part 52.When interconnecting piece 51 is mounted on the fuel feeding end in oil transportation hole 4, flange part 52 can be to interconnecting piece 51
Installation site limited.
In present embodiment, internal thread is provided in the fuel feeding end in oil transportation hole 4, the interconnecting piece 51 of plug cock 5 is provided with
External screw thread, interconnecting piece 51 are threadedly attached in the fuel feeding end.
Embodiment two
The plug cock 5 also includes interconnecting piece 51 and flange part 52, and unlike the embodiments above, interconnecting piece 51 passes through clamping
It is fixed in oil transportation hole 4.
It is specific as shown in Figure 3 and Figure 4, fluted 41 are arranged on the fuel feeding end inner wall in oil transportation hole 4, the interconnecting piece 51 of plug cock 5
Above radially projecting to be provided with protrusion 54, interconnecting piece 51 is stuck in by the protrusion 54 in groove 41 fixed.
Wherein, the groove 41 in oil transportation hole 4 is preferably along the annular groove of the circumferentially extending in oil transportation hole 4, plug cock 5
Protrusion 54 is the circumferentially disposed loop configuration along interconnecting piece 51.Certainly, groove 41 is not limited to the structure type of annular groove, example
Such as, groove 41 can be circumferentially arranged at intervals with multiple along oil transportation hole 4, and the 51 upper edge circle spacing of interconnecting piece is provided with multiple difference
The protrusion 54 coordinated with groove 41；Alternatively, groove 41 is the annular groove of the circumferentially extending along oil transportation hole 4, and protrusion 54 is along connection
Being provided at circumferentially spaced for portion 51 is multiple.
Rubber can be used for the plug cock 5 or plastic material is made into integration, when plug cock 5 is inserted into oil transportation hole 4, on plug cock 5
Protrusion 54 is deformed, and when protrusion 54 is moved to the position of groove 41, the expansion of protrusion 54 can stick into groove 41.
It, as shown in figure 5 and figure 7, can will be oily to make protrusion 54 be easily deformed can be readily inserted into oil transportation hole 4
The one end of interconnecting piece 51 far from flange part 52 of plug 5 is provided with the separation trough that the end is radially divided at least two parts
55, by the way that separation trough 55 is arranged, interconnecting piece 51 is easily deformed when being inserted into oil transportation hole 4, consequently facilitating installation.
In addition, in the present embodiment, the protrusion 54 of plug cock 5 can be the knot of the flange formed in the end of interconnecting piece 51
Configuration formula (as shown in Figure 4 and Figure 5), or the flanged structure of 51 radially projecting extension of interconnecting piece is (such as Fig. 6 and Fig. 7 institutes
Show) or other structures form protrusion.To be easy the grafting interconnecting piece 51, the one of the separate flange part 52 of the interconnecting piece 51
End is formed as pyramidal structure.
Embodiment three
The plug cock 5 also includes interconnecting piece 51 and flange part 52, and unlike the embodiments above, interconnecting piece 51 passes through interference
Cooperation is fixed in oil transportation hole 4.
It is specific that the interconnecting piece 51 of plug cock 5 is column structure as shown in Figure 8 and Figure 9, the column structure be sized to
The fuel feeding end in oil transportation hole 4 is interference fitted, and the interconnecting piece 51 of plug cock 5, which is inserted into oil transportation hole 4, completes installation.
Preferably, to make the interconnecting piece 51 of plug cock 5 be easy to be inserted into, one end setting of the separate flange part 52 of interconnecting piece 51
Have the separation trough 55 that the end radial separations are at least two parts, as shown in Figure 10, when being inserted into interconnecting piece 51, interconnecting piece 51
By the extruding in oil transportation hole 4, interconnecting piece 51 is easily deformed by the various pieces of radial separations, is easily inserted into oil transportation hole 4
It is interior.
Example IV
In the above embodiments, the through-hole 53 of plug cock 5 is consistent in the axial direction, and in the present embodiment four, through-hole
53 may include the hole section of multiple and different diameters, specifically as is illustrated by figs. 11 and 12.That is, the through-hole 53 of plug cock 5 and unlimited
In the consistent hole of diameter, the through-hole of other forms also may be used.
The concrete structure for describing plug cock 5 above by the mode of each specific embodiment and the peace in oil transportation hole 4
Dress mode, certainly, however it is not limited to above-described embodiment, the plug cock 5 and other types of mounting means of other structures type also can,
For example, plug cock 5 can be integrally formed with bent axle, i.e., there is the part of the through-hole 53 reduced, the part in the fuel feeding end in oil transportation hole 4
Plug cock 5 can be considered as.
The another aspect of the utility model also provides a kind of compressor, which is provided with bent axle as described above, such as
Shown in Fig. 1, which includes sequentially connected main shaft section 1, eccentric segment 2 and countershaft section 3, and the fuel feeding end in oil transportation hole 4 is in institute
State the end of countershaft section 3.
The compressor can be moistened by oil transportation hole to the secondary conveying of each friction using bent axle provided by the utility model as above
Lubricating oil ensures each friction secondary lubrication and cooling.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail above in association with attached drawing
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination equally should be considered as the utility model institute
Disclosure belongs to the scope of protection of the utility model.
Claims (10)
1. a kind of bent axle, which is characterized in that the oil transportation hole (4) axially extended is provided in the bent axle, wherein described defeated
Oilhole (4) for being provided with plug cock (5) to the fuel feeding end of the interior fuel feeding of the oil transportation hole (4), the plug cock (5) have with it is described
The through-hole (53) of oil transportation hole (4) connection；Wherein, the relationship of the diameter d of the through-hole (53) and the diameter D of the oil transportation hole (4)
It is：0.25≤d/D≤0.9.
2. bent axle according to claim 1, which is characterized in that the through-hole (53) be the plug cock (5) with it is described defeated
The coaxial centre bore of oilhole (4).
3. bent axle according to claim 1, which is characterized in that the plug cock (5) includes for being inserted into the oil transportation hole (4)
In interconnecting piece (51) and the interconnecting piece (51) one end setting flange part (52).
4. bent axle according to claim 3, which is characterized in that in being provided in the fuel feeding end of the oil transportation hole (4)
The interconnecting piece (51) of screw thread, the plug cock (5) is provided with external screw thread, and the interconnecting piece (51) is threadedly attached in described
Fuel feeding end.
5. bent axle according to claim 3, which is characterized in that be arranged on the fuel feeding end inner wall of the oil transportation hole (4)
Fluted (41), it is radially projecting on the interconnecting piece (51) of the plug cock (5) to be provided with protrusion (54), the interconnecting piece
(51) it is stuck in the groove (41) by the protrusion (54) fixed.
6. bent axle according to claim 5, which is characterized in that the inner wall upper edge circle spacing of the fuel feeding end is provided with more
A groove (41), interconnecting piece (51) the upper edge circle spacing are provided with multiple institutes coordinated respectively with the groove (41)
State protrusion (54)；
Alternatively, the groove (41) is the annular groove of the circumferentially extending along the oil transportation hole (4), the protrusion (54) is along described
The circumferentially disposed loop configuration or the protrusion (54) being provided at circumferentially spaced along the interconnecting piece (51) of interconnecting piece (51)
It is multiple.
7. bent axle according to claim 3, which is characterized in that the interconnecting piece (51) is fixed on described by interference fit
In oil transportation hole (4).
8. bent axle according to claim 7, which is characterized in that the separate flange part (52) of the interconnecting piece (51)
One end is provided with the separation trough (55) at least two parts by the end radial separations.
9. according to the bent axle described in any one of claim 1-8, which is characterized in that the through-hole (53) is in the axial direction
Diameter is consistent or the through-hole (53) include multiple and different diameters hole section.
10. a kind of compressor, which is characterized in that the compressor is provided with according to described in any one of claim 1-9
Bent axle, the bent axle include sequentially connected main shaft section (1), eccentric segment (2) and countershaft section (3), the oil transportation hole (4) it is described
Fuel feeding end is in the end of the countershaft section (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820343994.0U CN207920865U (en) | 2018-03-13 | 2018-03-13 | Bent axle and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820343994.0U CN207920865U (en) | 2018-03-13 | 2018-03-13 | Bent axle and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207920865U true CN207920865U (en) | 2018-09-28 |
Family
ID=63599150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820343994.0U Active CN207920865U (en) | 2018-03-13 | 2018-03-13 | Bent axle and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207920865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412767A (en) * | 2018-03-13 | 2018-08-17 | 广东美芝制冷设备有限公司 | Bent axle and compressor |
-
2018
- 2018-03-13 CN CN201820343994.0U patent/CN207920865U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412767A (en) * | 2018-03-13 | 2018-08-17 | 广东美芝制冷设备有限公司 | Bent axle and compressor |
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