CN206000848U - A kind of compressor crank shaft - Google Patents
A kind of compressor crank shaft Download PDFInfo
- Publication number
- CN206000848U CN206000848U CN201620603432.6U CN201620603432U CN206000848U CN 206000848 U CN206000848 U CN 206000848U CN 201620603432 U CN201620603432 U CN 201620603432U CN 206000848 U CN206000848 U CN 206000848U
- Authority
- CN
- China
- Prior art keywords
- eccentric
- axle
- roller sleeve
- grove
- bent axle
- 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.)
- Expired - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of compressor crank shaft, including bent axle main body, locating slot, eccentric part, left axle neck, left axle shoulder, left eccentric grove, roller sleeve, right eccentric grove, right axle shoulder, right axle neck, lubrication part, spring, spheroid, oiling passage, fixed protection set and screw；This utility model has simple, low production cost rational in infrastructure, easy for installation, multiple functional, existing crankshaft eccentric portion can effectively be solved and adopt symmetrical structure, though substantially increasing the balance of bent axle stress, but the symmetrical structure of bent axle is more complicated, and manufactures more complicated size simultaneously and also compare problem rambunctious；This utility model is provided with right eccentric grove and left eccentric grove, can effectively ensure that balance during bent axle work, and manufactures also fairly simple；It is provided with roller sleeve in this utility model, and roller sleeve is combined by two semicircle rollers, and be provided with groove inside roller sleeve it is ensured that axial play will not be produced when roller sleeve works.
Description
Technical field：
This utility model is related to industrial circle, particularly to a kind of compressor crank shaft.
Background technology：
In prior art, the crankshaft structure of rotary compressor is asymmetric, the eccentric part of bent axle and roller during compressor rotation
Centrifugal intertia force can be produced, make whole compressor produce periodic vibration, thus reducing operating accuracy and the reliability of compressor,
Parts of Compressor abrasion and fatigue aggravation, noise increases；General installation balance weight on the rotor of rotary compressor, to meet
Dynamic balance during rotary part work and equalising torque require, and which increase installation procedure, make maintenance complicated；Also can be in bent axle
Eccentric part adopts symmetrical structure, though substantially increasing the balance of bent axle stress, the symmetrical structure of bent axle is more complicated, and
Manufacture more complicated size simultaneously and also compare difficult control.
Utility model content：
The purpose of this utility model is that provides a kind of compressor crank shaft to solve the above problems, and solves existing
Crankshaft eccentric portion adopts symmetrical structure, though substantially increasing the balance of bent axle stress, the symmetrical structure of bent axle is more complicated,
And manufacture more complicated size simultaneously and also compare problem rambunctious.
In order to solve the above problems, this utility model provides a kind of technical scheme：A kind of compressor crank shaft, including bent axle
Main body, locating slot and eccentric part, its innovative point is：Also include left axle neck, left axle shoulder, left eccentric grove, roller sleeve, the right avertence heart
Groove, right axle shoulder, right axle neck, lubrication part, spring, spheroid, oiling passage, fixed protection set and screw；On the left of described bent axle main body
Be provided with locating slot, be sequentially provided with from right to left above on the right side of described bent axle main body right axle neck, right axle shoulder, right eccentric grove, eccentric part,
Left eccentric grove, left axle shoulder and left axle neck；Described roller sleeve is two, and described roller sleeve is connected by fixed protection set and screw activity
Be connected on eccentric part cylindrical on；Described lubrication part is fixedly connected in bent axle main body right-hand member upper-side hole；Described spring is located at lubrication part
Inside, described spring right-hand member is connected with spheroid；It is connected with lubrication part inner right side pouring orifice on the right side of described spheroid；Described note
Oily passage is located inside on the right side of bent axle main body, and described oiling passage pouring orifice is connected with oil-out on the left of lubrication part, described note
Oily passage oil-out is connected with the outer surface of right axle neck, right eccentric grove, eccentric part, left eccentric grove and left axle neck respectively.
Preferably, the width of described right eccentric grove and left eccentric grove is equal to the half of eccentric part width.
Preferably, the eccentric direction of described right eccentric grove and left eccentric grove is contrary with eccentric part eccentric direction.
Preferably, described roller sleeve is combined by two semicircle rollers, be provided with inside described roller sleeve groove and
Recess width is equal to the width of eccentric part.
The beneficial effects of the utility model：
(1) this utility model has simple, low production cost rational in infrastructure, easy for installation, multiple functional, can be effective
Solve existing crankshaft eccentric portion and adopt symmetrical structure, though substantially increasing the balance of bent axle stress, the symmetrical structure of bent axle
More complicated, and manufacture more complicated size simultaneously and also compare problem rambunctious.
(2) this utility model is provided with right eccentric grove and left eccentric grove, can effectively ensure that balance during bent axle work
Property, and manufacture also fairly simple.
(3) it is provided with roller sleeve in this utility model, and roller sleeve is combined by two semicircle rollers, and in rolling
It is provided with groove it is ensured that axial play will not be produced when roller sleeve works inside sub-set.
Brief description：
For ease of explanation, this utility model is embodied as and accompanying drawing is described in detail by following.
Fig. 1 is structural representation of the present utility model.
1- bent axle main body；2- locating slot；3- left axle neck；4- left axle is takeed on；The left eccentric grove of 5-；6- eccentric part；7- roller sleeve；8-
Right eccentric grove；9- right axle is takeed on；10- right axle neck；11- lubricates part；12- spring；13- spheroid；14- oiling passage；15- fixed protection
Set；16- screw.
Specific embodiment：
As shown in figure 1, this specific embodiment employs the following technical solutions：A kind of compressor crank shaft, including bent axle main body
1st, locating slot 2 and eccentric part 6, also include left axle neck 3, left axle shoulder 4, left eccentric grove 5, roller sleeve 7, right eccentric grove 8, right axle shoulder 9,
Right axle neck 10, lubrication part 11, spring 12, spheroid 13, oiling passage 14, fixed protection set 15 and screw 16；Described bent axle main body 1
Left side is provided with locating slot 2, and described bent axle main body 1 right side is sequentially provided with right axle neck 10, right axle shoulder 9, the right avertence heart above from right to left
Groove 8, eccentric part 6, left eccentric grove 5, left axle shoulder 4 and left axle neck 3；Described roller sleeve 7 is two, and described roller sleeve 7 is passed through to fix
Protective jacket 15 and screw 16 be movably connected in eccentric part 6 cylindrical on；Described lubrication part 11 is fixedly connected on bent axle main body 1 right-hand member
In side opening；Described spring 12 is located inside lubrication part 11, and described spring 12 right-hand member is connected with spheroid 13；Described spheroid 13 right side with
Lubrication part 11 inner right side pouring orifice is connected；Described oiling passage 14 is located at bent axle main body 1 right side inside, described oiling passage
14 pouring orifices are connected with lubrication part 11 left side oil-out, described oiling passage 14 oil-out respectively with right axle neck 10, the right avertence heart
Groove 8, eccentric part 6, left eccentric grove 5 are connected with the outer surface of left axle neck 3.
Wherein, the width of described right eccentric grove 8 and left eccentric grove 5 is equal to the half of eccentric part 6 width；Described right eccentric grove
8 and left eccentric grove 5 eccentric direction contrary with eccentric part 6 eccentric direction；Described roller sleeve 7 combined by two semicircle rollers and
Become, be provided with groove inside described roller sleeve 7 and recess width is equal to the width of eccentric part 6.
Of the present utility model ultimate principle and principal character and of the present utility model advantage, one's own profession have been shown and described above
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, these changes and improvements both fall within the range of claimed this utility model, this utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (4)
1. a kind of compressor crank shaft, including bent axle main body (1), locating slot (2) and eccentric part (6) it is characterised in that：Also include a left side
Axle journal (3), left axle shoulder (4), left eccentric grove (5), roller sleeve (7), right eccentric grove (8), right axle shoulder (9), right axle neck (10), lubrication
Part (11), spring (12), spheroid (13), oiling passage (14), fixed protection set (15) and screw (16)；
It is provided with locating slot (2) on the left of described bent axle main body (1), be sequentially provided with from right to left above on the right side of described bent axle main body (1)
Right axle neck (10), right axle shoulder (9), right eccentric grove (8), eccentric part (6), left eccentric grove (5), left axle shoulder (4) and left axle neck (3)；
Described roller sleeve (7) is two, and described roller sleeve (7) passes through fixed protection set (15) and screw (16) is movably connected in partially
On center portion (6) is cylindrical；
Described lubrication part (11) is fixedly connected in bent axle main body (1) right-hand member upper-side hole；
Described spring (12) is located at lubrication part (11) inside, and described spring (12) right-hand member is connected with spheroid (13)；
It is connected with lubrication part (11) inner right side pouring orifice on the right side of described spheroid (13)；
Described oiling passage (14) is located inside on the right side of bent axle main body (1), described oiling passage (14) pouring orifice and lubrication part
(11) on the left of, oil-out is connected, described oiling passage (14) oil-out respectively with right axle neck (10), right eccentric grove (8), eccentric
Portion (6), left eccentric grove (5) are connected with the outer surface of left axle neck (3).
2. a kind of compressor crank shaft according to claim 1 it is characterised in that：Described right eccentric grove (8) and left eccentric grove
(5) width is equal to the half of eccentric part (6) width.
3. a kind of compressor crank shaft according to claim 1 it is characterised in that：Described right eccentric grove (8) and left eccentric grove
(5) eccentric direction is contrary with eccentric part (6) eccentric direction.
4. a kind of compressor crank shaft according to claim 1 it is characterised in that：Described roller sleeve (7) is by two semicircles
Roller combines, and is provided with groove and recess width is equal to the width of eccentric part (6) inside described roller sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603432.6U CN206000848U (en) | 2016-06-19 | 2016-06-19 | A kind of compressor crank shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603432.6U CN206000848U (en) | 2016-06-19 | 2016-06-19 | A kind of compressor crank shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206000848U true CN206000848U (en) | 2017-03-08 |
Family
ID=58205389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620603432.6U Expired - Fee Related CN206000848U (en) | 2016-06-19 | 2016-06-19 | A kind of compressor crank shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206000848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678955A (en) * | 2018-07-23 | 2018-10-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Crank axle, screw compressor and vehicle |
-
2016
- 2016-06-19 CN CN201620603432.6U patent/CN206000848U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678955A (en) * | 2018-07-23 | 2018-10-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Crank axle, screw compressor and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20170619 |