CN211737458U - Oil-free vortex air compressor integrated eccentric shaft - Google Patents
Oil-free vortex air compressor integrated eccentric shaft Download PDFInfo
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- CN211737458U CN211737458U CN201922454047.6U CN201922454047U CN211737458U CN 211737458 U CN211737458 U CN 211737458U CN 201922454047 U CN201922454047 U CN 201922454047U CN 211737458 U CN211737458 U CN 211737458U
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- eccentric shaft
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Abstract
The utility model relates to an integrated eccentric shaft of an oil-free vortex air compressor, which is used for connecting a tray and a driving shaft, the driving shaft is used for driving the tray to eccentrically revolve and translate, one side of the tray, which is far away from the eccentric shaft, is provided with a movable disc, the tray is used for supporting the movable disc and comprises an eccentric component, a balance block and a driving component, the eccentric component is arranged at one end of the driving component, the balance block is arranged on one side of the eccentric component, the balance block and the eccentric component are integrally formed, the balance block is used for balancing unbalanced inertia force caused by the rotation of the movable disc driven by the eccentric component, the oil-free vortex air compressor integrated eccentric shaft, through setting balancing piece and eccentric subassembly to integrated into one piece, need not add the connecting piece between balancing piece and eccentric subassembly, and the axle stress concentration phenomenon has reduced manufacturing procedure and process time.
Description
Technical Field
The utility model belongs to the technical field of the machine part and specifically relates to an there is not oily vortex air compressor machine integral type eccentric shaft.
Background
The eccentric shaft is the important part of oil-free vortex air compressor, and the eccentric shaft of the oil-free vortex dish air compressor on the existing market is mostly composed of an eccentric shaft and a balance block, and the structure has the following defects:
1) the process is multiple, because the balance block is connected with the eccentric shaft through the bolt, 2 or 3 holes are respectively processed on the eccentric shaft and the balance block for installation;
2) the eccentric shaft bears bending force and torsional force, so that the stress is complex, the strength requirement is high, the eccentric shaft is sensitive to stress concentration after being subjected to thermal treatment such as quenching and tempering, and cracks are easily generated at the stress concentration part after the eccentric shaft is operated for a long time.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide an integrated eccentric shaft of an oil-free scroll air compressor, which has less manufacturing processes and less stress concentration.
The utility model provides an oil-free vortex air compressor machine integral type eccentric shaft for drive tray eccentric revolution translation, the tray deviates from eccentric shaft one side sets up the driving disk, the tray is used for holding the driving disk, including eccentric subassembly, balancing piece and drive assembly, eccentric subassembly sets up in drive assembly one end, and the balancing piece sets up in eccentric subassembly one side, balancing piece and eccentric subassembly integrated into one piece, and the balancing piece is used for balancing the rotatory unbalanced inertial force that arouses of driving disk that drives by eccentric subassembly.
Preferably, the eccentric assembly includes an intermediate member and an eccentric shaft disposed at an eccentric position of the intermediate member, a rotation axis of the intermediate member coincides with a rotation axis of the driving assembly, and the balance weight is disposed at one side of the intermediate member.
The gravity center when the balance weight rotates and the gravity center when the movable disc and the tray rotate are located on two sides of the circle center on the same radial direction of the same plane, the product of the weight of the balance weight multiplied by the distance from the gravity center to the rotation center is A, the product of the sum of the weight of the tray and the movable disc multiplied by the distance from the gravity center to the rotation center is B, and A and B are equal.
Preferably, the balancing block is C-shaped, and the inner edge of the opening of the balancing block is tightly attached to the outer edge of the middle piece.
Preferably, the length of the eccentric shaft in the rotational axial direction is larger than the length of the balance weight in the rotational axial direction.
Preferably, the drive assembly comprises a drive mounting neck, a first bearing mounting neck, a second bearing mounting neck and a transition portion, the rotation axes of the intermediate piece, the drive mounting neck, the first bearing mounting neck, the second bearing mounting neck and the transition portion coincide, the transition portion is arranged between the first bearing mounting neck and the second bearing mounting neck, and one ends, far away from the transition portion, of the first bearing mounting neck and the second bearing mounting neck are respectively connected with the drive mounting neck and the intermediate piece.
Preferably, the transition portion is a connecting shaft.
Preferably, the drive mounting neck is rotatably driven by a coupling or pulley.
Above-mentioned there is not oily vortex air compressor machine integral type eccentric shaft through setting balancing piece and eccentric subassembly to integrated into one piece, need not add the connecting piece between balancing piece and eccentric subassembly, and the axle stress concentration phenomenon has reduced manufacturing procedure and process time.
Drawings
FIG. 1 is a structural diagram of the integrated eccentric shaft of the oil-free vortex air compressor of the present invention;
FIG. 2 is another structural diagram of the integrated eccentric shaft of the oil-free vortex air compressor of the present invention;
FIG. 3 is another structural diagram of the integrated eccentric shaft of the oil-free vortex air compressor of the present invention;
fig. 4 is a sectional view taken along a-a in fig. 2.
Detailed Description
In order to make the utility model discloses an aim at, technical scheme and advantage understand more clearly, it is right below combining the attached drawing and embodiment the utility model discloses do not have oily vortex air compressor machine integral type eccentric shaft and carry out further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Please refer to fig. 1, the present invention discloses an oil-free vortex air compressor integrated eccentric shaft for connecting a tray and a driving shaft, wherein the driving shaft is used for driving the eccentric revolution translation of the tray, the tray deviates from the eccentric shaft one side and is provided with a movable disk, the tray is used for holding the movable disk, comprising an eccentric assembly 100, a balance block 200 and a driving assembly 300, the eccentric assembly 100 is arranged at one end of the driving assembly 300, the balance block 200 is arranged at one side of the eccentric assembly 100, the balance block 200 and the eccentric assembly 100 are integrally formed, and the balance block 200 is used for balancing the unbalanced inertial force caused by the rotation of the movable disk driven by the.
By integrally forming the balance weight 200 and the eccentric assembly 100, a connecting member is not required to be added between the balance weight 200 and the eccentric assembly 100, and the phenomenon of shaft stress concentration is reduced, thereby reducing the processing procedure and the processing time.
Referring to fig. 1, in detail, the eccentric assembly 100 includes an intermediate member 120 and an eccentric shaft 110 disposed at an eccentric position of the intermediate member 120, a rotation axis of the intermediate member 120 coincides with a rotation axis of the driving assembly 300, a balance weight 200 is disposed at one side of the intermediate member 120, a center of gravity of the balance weight 200 when rotated is located at both sides of a center of a circle on the same radial direction of the same plane as that of the movable plate and the tray when rotated, a product of a weight of the balance weight 200 multiplied by a distance from the center of gravity to a rotation center thereof is a, and a product of a sum of weights of the tray and the movable plate multiplied by a distance from the center of gravity to the rotation center thereof is B.
Through setting up balancing piece 200, reduced the influence factor that the driving disk rocked.
Referring to fig. 2, specifically, the weight 200 is C-shaped, and an inner edge of an opening of the weight 200 is designed to be closely attached to an outer edge of the middle part 120.
Referring to fig. 3-4, in particular, the eccentric shaft 110 has a length greater than the length of the balance weight 200 in the axial direction, so as to facilitate installation of the movable plate.
Referring to fig. 1, in particular, the driving assembly 300 includes a driving mounting neck 340, a first bearing mounting neck 330, a second bearing mounting neck 310 and a transition portion 320, wherein the rotational axes of the intermediate member 120, the driving mounting neck 340, the first bearing mounting neck 330, the second bearing mounting neck 310 and the transition portion 320 are coincident, the transition portion 320 is disposed between the first bearing mounting neck 330 and the second bearing mounting neck 310, and the ends of the first bearing mounting neck 330 and the second bearing mounting neck 310 away from the transition portion 320 are respectively connected to the driving mounting neck 340 and the intermediate member 120.
Specifically, the rotational axes of the drive mounting neck 340, the first bearing mounting neck 330, the second bearing mounting neck 310, and the transition 320 coincide.
Specifically, the transition portion 320 is a connecting shaft.
Specifically, the first bearing mounting neck 330 and the second bearing mounting neck 310 are provided with bearing rotary connecting fixing parts, and the fixing parts are fixedly connected with the machine body, so as to fix the driving assembly 300.
Specifically, the drive mounting neck 340 is rotatably driven by a coupling or pulley.
When using, drive assembly 300 drives eccentric subassembly 100 and rotates, and then drive the driving disk and carry out eccentric rotation, because the focus that the driving disk produced at eccentric rotation in-process has squinted the rotation axis of middleware 120, make the driving disk take place to rock, the rotatory focus of counterbalance 200 and eccentric shaft 110 drive the focus when driving disk is rotatory this moment fall on the rotatory center of middleware 120 again after balanced, owing to set up counterbalance 200 and eccentric subassembly 100 as an organic whole, the phenomenon of axle stress concentration reduces, and manufacturing procedure and process time have been reduced.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.
Claims (8)
1. The utility model provides an there is not oily vortex air compressor machine integral type eccentric shaft for connect tray and drive shaft, the drive shaft is used for the drive the eccentric revolution translation of tray, the tray deviates from eccentric shaft one side sets up the driving disk, the tray is used for holding the driving disk, its characterized in that: the balance mechanism comprises an eccentric assembly (100), a balance block (200) and a driving assembly (300), wherein the eccentric assembly (100) is arranged at one end of the driving assembly (300), the balance block (200) is arranged on one side of the eccentric assembly (100), the balance block (200) and the eccentric assembly (100) are integrally formed, and the balance block (200) is used for balancing unbalanced inertia force caused by rotation of a movable disc driven by the eccentric assembly (100).
2. An oil-free vortex air compressor integrated eccentric shaft as claimed in claim 1, wherein: the eccentric assembly (100) comprises an intermediate piece (120) and an eccentric shaft (110) arranged at an eccentric position of the intermediate piece (120), the rotation axis of the intermediate piece (120) is coincident with the rotation axis of the driving assembly (300), and the balance weight (200) is arranged at one side of the intermediate piece (120).
3. An oil-free scroll air compressor integrated eccentric shaft as claimed in claim 2, wherein: the gravity center when the balance weight (200) rotates and the gravity center when the movable disc and the tray rotate are located on two sides of the circle center on the same radial direction of the same plane, the product of the weight of the balance weight (200) multiplied by the distance from the gravity center to the rotation center is A, the product of the sum of the weight of the tray and the movable disc multiplied by the distance from the gravity center to the rotation center is B, and A and B are equal.
4. An oil-free scroll air compressor integrated eccentric shaft as claimed in claim 2, wherein: the balance weight (200) is C-shaped, and the inner edge of an opening of the balance weight (200) is tightly attached to the outer edge of the middle piece (120).
5. An oil-free scroll air compressor integrated eccentric shaft as claimed in claim 2, wherein: the length of the eccentric shaft (110) in the rotational axial direction is greater than the length of the balance weight (200) in the rotational axial direction.
6. An oil-free scroll air compressor integrated eccentric shaft as claimed in any one of claims 2 to 5, wherein: drive assembly (300) is including drive installation neck (340), first bearing installation neck (330), second bearing installation neck (310) and transition portion (320), the axis of rotation coincidence of middleware (120), drive installation neck (340), first bearing installation neck (330), second bearing installation neck (310) and transition portion (320), transition portion (320) set up in between first bearing installation neck (330) and second bearing installation neck (310), first bearing installation neck (330) and second bearing installation neck (310) are kept away from the one end of transition portion (320) is connected respectively drive installation neck (340) and middleware (120).
7. An oil-free vortex air compressor integrated eccentric shaft as claimed in claim 6, wherein: the transition part (320) is a connecting shaft.
8. An oil-free vortex air compressor integrated eccentric shaft as claimed in claim 6, wherein: the drive mounting neck (340) is rotatably driven by a coupling or pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922454047.6U CN211737458U (en) | 2019-12-30 | 2019-12-30 | Oil-free vortex air compressor integrated eccentric shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922454047.6U CN211737458U (en) | 2019-12-30 | 2019-12-30 | Oil-free vortex air compressor integrated eccentric shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211737458U true CN211737458U (en) | 2020-10-23 |
Family
ID=72868246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922454047.6U Active CN211737458U (en) | 2019-12-30 | 2019-12-30 | Oil-free vortex air compressor integrated eccentric shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211737458U (en) |
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2019
- 2019-12-30 CN CN201922454047.6U patent/CN211737458U/en active Active
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