CN219492589U - Be used for vacuum pump to improve rotor bearing structure - Google Patents
Be used for vacuum pump to improve rotor bearing structure Download PDFInfo
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- CN219492589U CN219492589U CN202320781836.4U CN202320781836U CN219492589U CN 219492589 U CN219492589 U CN 219492589U CN 202320781836 U CN202320781836 U CN 202320781836U CN 219492589 U CN219492589 U CN 219492589U
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- auxiliary support
- rotor
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Abstract
The utility model provides an improved rotor support structure for a vacuum pump, comprising: the novel rotor comprises a rotating shaft, a rotor core and a shaft sleeve, wherein the shaft sleeve is arranged at the left end of the rotating shaft, the rotor core is arranged on the right side of the rotating shaft, a main supporting ring is arranged on the right side of the shaft sleeve and the right side of the rotor core, main bearings are arranged on the inner sides of the two main supporting rings, a connecting hole is formed in the middle of the upper side and the middle of the lower side of the right side of the two main supporting rings in a penetrating manner, and an auxiliary supporting ring IV is arranged on the left side of the rotor core. Through setting up main bearing and main support circle, can support the pivot, promote the stability of rotor when rotating, through setting up supplementary support circle one, supplementary support circle two, supplementary support circle three, supplementary support circle four and auxiliary bearing, can carry out supplementary support to the pivot, further promote the stability of rotor to improve the not good problem of rotor stability.
Description
Technical Field
The utility model belongs to the technical field of vacuum pump rotors, and particularly relates to an improved rotor supporting structure for a vacuum pump.
Background
The vacuum pump is an important part of industrial equipment, and is provided with one air suction (water) nozzle and one exhaust nozzle (water) which are respectively arranged in one inlet and one outlet, and can continuously form vacuum or negative pressure at an inlet; forming micro positive pressure at the exhaust nozzle; the working medium can be gas or liquid, and when the vacuum pump works, the rotor drives the blades and the terminals to rotate in the inner cavity of the shell.
Chinese patent CN209324664U, publication No. 2019-08-30 discloses a vacuum pump rotor, belongs to vacuum pump accessory field, and its technical scheme main points are including the connecting axle, coaxial fixedly connected with barrel of connecting axle, the drive groove has been seted up along its radial to the barrel lateral wall, the drive groove runs through the lateral wall, drive groove both sides lateral wall fixedly connected with ceramic slide. The utility model has the effect of reducing the abrasion of the rotor.
Since the utility model protects the side walls at two sides of the driving groove by utilizing the wear resistance of the ceramic sliding plate, prevents the side walls of the driving groove from being worn, effectively avoids the expansion of the gap between the ceramic sliding plate and the rotary vane and effectively increases the working efficiency of the vacuum pump, in practice, we find that when the rotor is installed inside the vacuum pump, the rotor is poor in stability when rotating inside the vacuum pump because the rotor is not provided with a supporting part, and if the rotor loosens, the whole of the vacuum pump is easily damaged, and certain potential safety hazard exists, therefore, the utility model has a great need for improving the supporting structure of the rotor for the vacuum pump to improve the problem of poor stability of the rotor.
Disclosure of Invention
In view of the shortcomings of the prior art, the present utility model aims to provide an improved rotor supporting structure for a vacuum pump, which solves the problems set forth in the background art.
The utility model is realized by the following technical scheme: an improved rotor support structure for a vacuum pump, comprising: the rotary shaft, the rotor iron core and the shaft sleeve are arranged at the left end of the rotary shaft, the rotor iron core is arranged on the right side of the rotary shaft, and the main support ring is arranged on the right side of the shaft sleeve and the right side of the rotor iron core;
the inner sides of the two main support rings are respectively provided with a main bearing, and a connecting hole is formed in the middle of the upper part and the middle of the lower part of the right side surfaces of the two main support rings in a penetrating way;
an auxiliary supporting ring IV is arranged on the left side of the rotor core, an auxiliary supporting ring III is arranged on the left side of the auxiliary supporting ring IV, an auxiliary supporting ring II is arranged on the left side of the auxiliary supporting ring III, and an auxiliary supporting ring I is arranged on the left side of the auxiliary supporting ring II;
and an auxiliary bearing is arranged among the first auxiliary supporting ring, the second auxiliary supporting ring, the third auxiliary supporting ring and the fourth auxiliary supporting ring.
As a preferred implementation mode, the auxiliary support ring II, the auxiliary support ring I, the auxiliary support ring III and the upper part and the lower part of the auxiliary support ring IV are respectively connected through a connecting steel bar, and three mounting holes are formed in the upper surfaces of the two connecting steel bars in a penetrating way.
As a preferred implementation mode, the right view surface of the connecting hole and the overlook surface of the mounting hole are both circular structures, the inner walls of the connecting hole and the overlook surface of the mounting hole are respectively provided with an inner spiral groove, and the diameter and the length of the right view surfaces of the first auxiliary support ring, the second auxiliary support ring, the third auxiliary support ring and the fourth auxiliary support ring are the same.
As a preferable implementation mode, the inner rings of the four auxiliary bearings and the inner rings of the two main bearings are connected with a rotating shaft, the four auxiliary bearings are deep groove ball bearings with sealing covers on two sides, and the rotating shaft can drive the inner rings of the main bearings to rotate while rotating.
As a preferred embodiment, the main bearing is a rolling bearing, and the material of the main support ring, the material of the auxiliary support ring one, the material of the auxiliary support ring two, the material of the auxiliary support ring three and the material of the auxiliary support ring four are all made of stainless steel.
As a preferable implementation mode, the connecting steel bar is made of high-strength steel, the surface of the connecting steel bar is provided with a chromium plating coating, the overlooking surface of the connecting steel bar is of a rectangular structure, and the aperture of the mounting hole is the same as that of the connecting hole.
After the technical scheme is adopted, the utility model has the beneficial effects that: through setting up main bearing and main support circle, can support the pivot, promote the stability of rotor when rotating, through setting up supplementary support circle one, supplementary support circle two, supplementary support circle three, supplementary support circle four and auxiliary bearing, can carry out supplementary support to the pivot, further promote the stability of rotor to improve the not good problem of rotor stability.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic view showing the overall structure of an improved rotor supporting structure for a vacuum pump according to the present utility model.
Fig. 2 is an enlarged schematic view of a portion a of an improved rotor support structure for a vacuum pump according to the present utility model.
Fig. 3 is a schematic view showing a top view of a connecting steel bar for a vacuum pump improved rotor supporting structure according to the present utility model.
In the figure, a 1-rotating shaft, a 2-rotor iron core, a 3-shaft sleeve, a 4-auxiliary support ring I, a 5-auxiliary support ring II, a 6-auxiliary support ring III, a 7-auxiliary support ring IV, an 8-auxiliary bearing, a 9-connecting steel bar, a 10-connecting hole, a 11-main support ring, a 12-main bearing and a 13-mounting hole are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, the present utility model provides a technical solution: an improved rotor support structure for a vacuum pump, comprising: the rotor comprises a rotating shaft 1, a rotor core 2 and a shaft sleeve 3, wherein the shaft sleeve 3 is arranged at the left end of the rotating shaft 1, the rotor core 2 is arranged on the right side of the rotating shaft 1, and a main support ring 11 is arranged on the right side of the shaft sleeve 3 and the right side of the rotor core 2;
the inner sides of the two main supporting rings 11 are respectively provided with a main bearing 12, and a connecting hole 10 is formed in the middle of the upper part and the middle of the lower part of the right side surface of the two main supporting rings 11 in a penetrating way;
the left side of the rotor core 2 is provided with an auxiliary supporting ring IV 7, the left side of the auxiliary supporting ring IV 7 is provided with an auxiliary supporting ring III 6, the left side of the auxiliary supporting ring III 6 is provided with an auxiliary supporting ring II 5, and the left side of the auxiliary supporting ring II 5 is provided with an auxiliary supporting ring I4;
an auxiliary bearing 8 is arranged in the middle of the first auxiliary supporting ring 4, the second auxiliary supporting ring 5, the third auxiliary supporting ring 6 and the fourth auxiliary supporting ring 7.
The upper part and the lower part of the auxiliary support ring I4, the auxiliary support ring II 5, the auxiliary support ring III 6 and the auxiliary support ring IV 7 are respectively connected through a connecting steel bar 9, and the upper surfaces of the two connecting steel bars 9 are all communicated with three mounting holes 13.
The overlook surface of the mounting hole 13 and the right view surface of the connecting hole 10 are both circular structures, the inner walls of the mounting hole are provided with inner screw grooves, and the diameter and the length of the right view surfaces of the first auxiliary supporting ring 4, the second auxiliary supporting ring 5, the third auxiliary supporting ring 6 and the fourth auxiliary supporting ring 7 are the same.
The inner rings of the four auxiliary bearings 8 and the inner rings of the two main bearings 12 are connected with the rotating shaft 1, the four auxiliary bearings 8 are deep groove ball bearings with sealing covers on two sides, and the rotating shaft 1 can drive the inner rings of the main bearings 12 to rotate while rotating.
The main bearing 12 is a rolling bearing, and the main support ring 11, the auxiliary support ring I4, the auxiliary support ring II 5, the auxiliary support ring III 6 and the auxiliary support ring IV 7 are all made of stainless steel, so that the stainless steel has good rust resistance.
The connecting steel bar 9 is made of high-strength steel, the surface of the connecting steel bar is provided with a chromium plating coating, the overlooking surface of the connecting steel bar is of a rectangular structure, the aperture of the mounting hole 13 is the same as that of the connecting hole 10, and the chromium plating coating has good wear-resisting effect.
As a first embodiment of the present utility model: in order to solve the problem that when the rotor is installed inside the vacuum pump, as the rotor is not provided with a supporting component, the stability of the rotor is poor when the rotor rotates inside the vacuum pump, if the rotor loosens, the whole vacuum pump is easy to damage, before the rotor is used, the rotating shaft 1 and the rotor core 2 are installed inside the vacuum pump, then a plurality of external bolts respectively penetrate through the connecting holes 10 to enable the two main supporting rings 11 to be connected with the left end and the right end of the vacuum pump, the installation of the main supporting rings 11 is completed, as the inner rings of the two main bearings 12 are connected with the rotating shaft 1, the two main supporting rings 11 can support the left end and the right end of the rotating shaft 1 through the main bearings 12, and then when the rotating shaft 1 and the rotor core 2 rotate inside the vacuum pump, the stability of the rotating shaft 1 and the rotor core 2 can be improved, and the stability of the rotation of the rotor is further improved.
As a second embodiment of the present utility model: in combination with the first embodiment, after the main support ring 11 is installed, the two connecting steel bars 9 are connected with the vacuum pump through the plurality of mounting holes 13 by using a plurality of external bolts, as the auxiliary support ring I4, the auxiliary support ring II 5, the auxiliary support ring III 6 and the auxiliary support ring IV 7 are arranged in the middle of the two connecting steel bars 9, and the auxiliary support ring I4, the auxiliary support ring II 5, the auxiliary support ring III 6 and the auxiliary support ring IV 7 are all provided with the auxiliary bearing 8, simultaneously, the inner rings of the four auxiliary bearings 8 are connected with the rotating shaft 1, and then the rotating shaft 1 can be supported in an auxiliary manner, so that the stability of the rotor is further improved, and the problem of poor stability of the rotor is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. An improved rotor support structure for a vacuum pump, comprising: pivot (1), rotor core (2) and axle sleeve (3), axle sleeve (3) are installed to pivot (1) left end, rotor core (2) are installed on pivot (1) right side, its characterized in that: the right side of the shaft sleeve (3) and the right side of the rotor core (2) are respectively provided with a main support ring (11);
a main bearing (12) is arranged on the inner sides of the two main support rings (11), and a connecting hole (10) is formed in the middle of the upper part and the middle of the lower part of the right side surface of the two main support rings (11) in a penetrating way;
an auxiliary support ring IV (7) is arranged on the left side of the rotor core (2), an auxiliary support ring III (6) is arranged on the left side of the auxiliary support ring IV (7), an auxiliary support ring II (5) is arranged on the left side of the auxiliary support ring III (6), and an auxiliary support ring I (4) is arranged on the left side of the auxiliary support ring II (5);
an auxiliary bearing (8) is arranged in the middle of the first auxiliary supporting ring (4), the second auxiliary supporting ring (5), the third auxiliary supporting ring (6) and the fourth auxiliary supporting ring (7).
2. An improved rotor support structure for a vacuum pump as set forth in claim 1, wherein: the auxiliary support ring I (4), the auxiliary support ring II (5), the auxiliary support ring III (6) and the auxiliary support ring IV (7) are respectively connected with the upper side and the lower side through a connecting steel bar (9), and three mounting holes (13) are formed in the upper surfaces of the connecting steel bars (9) in a penetrating mode.
3. An improved rotor support structure for a vacuum pump as claimed in claim 2, wherein: the overlooking surface of the mounting hole (13) and the right viewing surface of the connecting hole (10) are of circular structures, the inner walls of the mounting hole are provided with inner spiral grooves, and the diameter and the length of the right viewing surfaces of the first auxiliary support ring (4), the second auxiliary support ring (5), the third auxiliary support ring (6) and the fourth auxiliary support ring (7) are the same.
4. An improved rotor support structure for a vacuum pump as set forth in claim 1, wherein: the inner rings of the four auxiliary bearings (8) and the inner rings of the two main bearings (12) are connected with the rotating shaft (1), and the four auxiliary bearings (8) are deep groove ball bearings with sealing covers on two sides.
5. An improved rotor support structure for a vacuum pump as set forth in claim 1, wherein: the main bearing (12) is a rolling bearing, and the main support ring (11) is made of stainless steel, the auxiliary support ring I (4) is made of stainless steel, the auxiliary support ring II (5) is made of stainless steel, the auxiliary support ring III (6) is made of stainless steel, and the auxiliary support ring IV (7) is made of stainless steel.
6. An improved rotor support structure for a vacuum pump as claimed in claim 2, wherein: the connecting steel bar (9) is made of high-strength steel, the surface of the connecting steel bar is provided with a chromium plating coating, the overlooking surface of the connecting steel bar is of a rectangular structure, and the aperture of the mounting hole (13) is the same as that of the connecting hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320781836.4U CN219492589U (en) | 2023-04-11 | 2023-04-11 | Be used for vacuum pump to improve rotor bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320781836.4U CN219492589U (en) | 2023-04-11 | 2023-04-11 | Be used for vacuum pump to improve rotor bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219492589U true CN219492589U (en) | 2023-08-08 |
Family
ID=87481949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320781836.4U Active CN219492589U (en) | 2023-04-11 | 2023-04-11 | Be used for vacuum pump to improve rotor bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219492589U (en) |
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2023
- 2023-04-11 CN CN202320781836.4U patent/CN219492589U/en active Active
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