CN220748530U - Roots vacuum pump capable of maintaining balance - Google Patents
Roots vacuum pump capable of maintaining balance Download PDFInfo
- Publication number
- CN220748530U CN220748530U CN202321908607.0U CN202321908607U CN220748530U CN 220748530 U CN220748530 U CN 220748530U CN 202321908607 U CN202321908607 U CN 202321908607U CN 220748530 U CN220748530 U CN 220748530U
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- China
- Prior art keywords
- shell body
- bearing
- vacuum pump
- combined mode
- motor
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- 239000011229 interlayer Substances 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 18
- 238000009423 ventilation Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a roots vacuum pump capable of keeping balance, which comprises a shell body, wherein a large space is formed in the shell body, a protective interlayer is arranged at the inner wall of the shell body, two spaces are formed in the protective interlayer, a group of rotors are arranged in the protective interlayer, a rotating shaft is arranged at the center of the rotors, notches are formed in two sides of the rotating shaft, a clamping block is arranged at the notch of the rotating shaft, and the clamping block is combined with the rotors through the rotating shaft. According to the utility model, the true and false bases and the support are arranged on one side of the shell body and the motor, and the concentrated stress points on one side of the motor and one side of the shell body are supported by the support, so that the vibration of the vacuum pump can be reduced by the support when the vacuum pump rotates.
Description
Technical Field
The utility model belongs to the technical field of Roots vacuum pumps, and particularly relates to a Roots vacuum pump capable of maintaining balance.
Background
The Roots vacuum pump is simply called Roots pump, which means that two blade-shaped rotors which synchronously rotate in opposite directions are arranged in the pump, A positive displacement vacuum pump with small gaps among rotors and between the rotors and the inner wall of a pump shell, but the following problems exist at present:
when the current Roots vacuum pump is directly placed on the ground, as the motor floats on one side of the Roots vacuum pump, the pressure is concentrated on the connecting frame, after the time is long, the connecting frame can deform and possibly damage the motor, and the gears and bearings can become blocked sections after long-time rotation of the current vacuum pump, so that the rotation speed is reduced and the gear collision is easy to occur.
Disclosure of Invention
In order to solve the technical problems, the utility model is realized by the following technical scheme:
in order to achieve the purpose, the Roots vacuum pump capable of keeping balance comprises a shell body, wherein a large space is formed in the shell body, a protection interlayer is arranged at the inner wall of the shell body, two spaces are formed in the protection interlayer, a group of rotors are arranged in the protection interlayer, a rotating shaft is arranged at the center of the rotors, notches are formed in two sides of the rotating shaft, a clamping block is arranged at the notch of the rotating shaft, and the clamping block is combined with the rotors through the rotating shaft.
Preferably, a sealing interlayer is arranged on one side of the rotor inside the shell body, the sealing interlayer is fixedly connected with the shell body, a plurality of holes are formed in the center of the sealing interlayer, one side of the shell body is connected with a middle wall in a combined manner, a sealing ring is arranged in the middle wall, a bearing is arranged in the center of the middle wall, and the bearing is connected with the bearing in the center of the middle wall in a combined manner through the sealing interlayer.
Preferably, a bearing cover is arranged on one side of the bearing, the bearing cover is connected with the middle wall in a combined way through the bearing, the rotating shaft penetrates through the bearing and the bearing cover, a gear is arranged on the outer side of the rotating shaft, and the gear is connected with the rotor in a combined way through the rotating shaft.
Preferably, a rear pump cover is arranged on one side of the shell body and is connected with the shell body in a combined mode through a nut, a plurality of ventilation holes are formed in one side of the rear pump cover, an air inlet is formed in one side of the shell body, an air outlet is formed in one side of the shell body, the air inlet and the air outlet are connected with the rotor in a combined mode through the shell body, and a connecting frame is connected to one side of the shell body in a combined mode.
Preferably, the motor is connected to one side of the connecting frame in a combined mode, the coupler is arranged on one side of the motor, the motor is connected with the rotating shaft in a combined mode through the coupler, the support is connected to one side of the motor in a combined mode, the base is connected to one side of the support, and the base is connected with the motor and the shell body in a combined mode through the support.
Preferably, a plurality of oil filling ports are formed in one side of the shell body, and the oil filling ports are synchronously arranged on the outer sides of the gears and the bearings.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the true and false bases and the support are arranged on one side of the shell body and the motor, the support is used for supporting the concentrated stress points on one side of the motor and the shell body, when the vacuum pump rotates, the support can reduce vibration of the vacuum pump, so that the purposes of dispersing pressure and reducing pressure supporting points are achieved, and the oil filling ports, such as gears and bearings, are additionally arranged on one side of a corresponding structure to be lubricated, and lubricating oil is filled into the internal rotating structure through the oil filling ports, so that maintenance of a disassembly structure is saved, and the purposes of reducing working steps and timing maintenance are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram of the internal rotor structure of the present utility model;
FIG. 2 is a block diagram of the enclosed interior of the present utility model;
fig. 3 is an internal overall structure diagram of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a housing body; 2. a rotor; 3. a rotation shaft; 4. a clamping block; 5. a protective barrier; 6. a middle wall; 7. a seal ring; 8. a gear; 9. a rear pump cover; 10. a bearing gland; 11. a bearing; 12. sealing the interlayer; 13. a connecting frame; 14. a coupling; 15. a motor; 16. an air inlet; 17. an air outlet; 18. a base; 19. a bracket; 20. and an oil filling port.
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. 1-3, a roots vacuum pump capable of keeping balance comprises a housing body 1, a larger space is formed in the housing body 1, a protective interlayer 5 is installed at the inner wall of the housing body 1, two spaces are formed in the protective interlayer 5, a group of rotors 2 are installed in the protective interlayer 5, a rotating shaft 3 is installed at the center of the rotors 2, notches are formed in two sides of the rotating shaft 3, clamping blocks 4 are installed at the notches of the rotating shaft 3, and the clamping blocks 4 are combined with the rotors 2 through the rotating shaft 3.
Further, a sealing interlayer 12 is installed on one side of the rotor 2 inside the shell body 1, the sealing interlayer 12 is fixedly connected with the shell body 1, a plurality of holes are formed in the center of the sealing interlayer 12, a middle wall 6 is connected to one side of the shell body 1 in a combined mode, a sealing ring 7 is installed inside the middle wall 6, a bearing 11 is installed in the center of the middle wall 6, the bearing 11 is connected with the bearing 11 in the center of the middle wall 6 in a combined mode through the sealing interlayer 12, and the sealing interlayer 12 prevents air from entering into the space inside the rotor 2.
Further, a bearing cover 10 is installed on one side of the bearing 11, the bearing cover 10 is connected with the middle wall 6 in a combined mode through the bearing 11, the rotating shaft 3 penetrates through the bearing 11 and the bearing cover 10, the gear 8 is installed on the outer side of the rotating shaft 3, the gear 8 is connected with the rotor 2 in a combined mode through the rotating shaft 3, and the bearing cover 10 limits the position of the bearing 11 to prevent falling off during working.
Further, a rear pump cover 9 is arranged on one side of the housing body 1, the rear pump cover 9 is connected with the housing body 1 in a combined mode through a nut, a plurality of ventilation holes are formed in one side of the rear pump cover 9, an air inlet 16 is formed in one side of the housing body 1, an air outlet 17 is formed in one side of the housing body 1, the air inlet 16 and the air outlet 17 are connected with the rotor 2 in a combined mode through the housing body 1, a connecting frame 13 is connected to one side of the housing body 1 in a combined mode, and air in the air inlet 16 is sucked into the air through rotation of the rotor 2 and discharged from the air outlet 17.
Further, a motor 15 is connected to one side of the connecting frame 13 in a combined manner, a coupler 14 is installed on one side of the motor 15, the motor 15 is connected with the rotating shaft 3 in a combined manner through the coupler 14, a support 19 is contacted with one side of the motor 15 in a combined manner, a base 18 is connected to one side of the support 19, the base 18 is respectively connected with the motor 15 and the housing body 1 in a combined manner through the support 19, and stress points of each connecting position are supported through the support 19.
Further, a plurality of oil filling ports 20 are formed in one side of the housing body 1, the oil filling ports 20 are synchronously arranged on the outer sides of the gears 8 and the bearings 11, and lubricating liquid is filled into the oil filling ports 20 to lubricate rotating parts.
The use principle is as follows: the pipeline is connected with the air inlet 16 on one side of the shell body 1 and is further reinforced by the nut, air is prevented from entering during vacuumizing, the power supply is connected at the moment, the motor 15 starts to rotate, the synchronous motor 15 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the rotor 2 on one side to rotate, one side of the rotating shaft 3 is meshed with the two gears 8 to drive the rotating shaft 3 on the other side to rotate with the rotor 2, air enters the shell body 1 through the air inlet 16, the air outlet 17 on one side of the air is stirred through the rotation of the rotor 2 and is discharged from the air outlet 17, then the vacuum pump can vibrate during rotation, the support 19 on one side is contacted with the ground 18, vibration caused when the motor 15 drives the rotor 2 to rotate is reduced, after the work is finished, the lubricating oil bottle is contacted with the oil filling port 20, and oil is dripped into the positions of the gears 8 and the bearing 11 from the oil filling port 20 for maintenance and lubrication.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification of the technical solutions described in the foregoing embodiments, and equivalent substitution of some technical features thereof, falls within the scope of the present utility model.
Claims (6)
1. The utility model provides a keep balanced roots vacuum pump, includes shell body (1), its characterized in that: the novel high-strength stainless steel shell is characterized in that a large space is formed in the shell body (1), a protective interlayer (5) is arranged at the inner wall of the shell body (1), two spaces are formed in the protective interlayer (5), a group of rotors (2) are arranged in the protective interlayer (5), a rotating shaft (3) is arranged at the center of each rotor (2), gaps are formed in two sides of each rotating shaft (3), clamping blocks (4) are arranged at the gaps of the rotating shafts (3), and the clamping blocks (4) are combined with the rotors (2) through the rotating shafts (3).
2. A balanced roots vacuum pump according to claim 1, wherein: the sealing device is characterized in that a sealing interlayer (12) is arranged on one side of an inner rotor (2) of the shell body (1), the sealing interlayer (12) is fixedly connected with the shell body (1), a plurality of holes are formed in the center of the sealing interlayer (12), a middle wall (6) is connected to one side of the shell body (1) in a combined mode, a sealing ring (7) is arranged in the middle wall (6), a bearing (11) is arranged in the center of the middle wall (6), and the bearing (11) is connected with the bearing (11) in the center of the middle wall (6) in a combined mode through the sealing interlayer (12).
3. A balanced roots vacuum pump according to claim 2, wherein: bearing cover (10) is installed to bearing (11) one side, and bearing cover (10) are connected with middle wall (6) through bearing (11) combination, rotation axis (3) pass bearing (11) and bearing cover (10), gear (8) are installed in rotation axis (3) outside, and gear (8) are connected with rotor (2) combination through rotation axis (3).
4. A balanced roots vacuum pump according to claim 3, wherein: the novel air conditioner is characterized in that a rear pump cover (9) is arranged on one side of the housing body (1), the rear pump cover (9) is connected with the housing body (1) in a combined mode through a nut, a plurality of ventilation holes are formed in one side of the rear pump cover (9), an air inlet (16) is formed in one side of the housing body (1), an air outlet (17) is formed in one side of the housing body (1), the air inlet (16) is connected with the air outlet (17) in a combined mode through the housing body (1) and the rotor (2), and a connecting frame (13) is connected to one side of the housing body (1) in a combined mode.
5. A balanced roots vacuum pump according to claim 4, wherein: the motor is characterized in that a motor (15) is connected to one side of the connecting frame (13) in a combined mode, a coupler (14) is arranged on one side of the motor (15), the motor (15) is connected with the rotating shaft (3) in a combined mode through the coupler (14), a support (19) is contacted with one side of the motor (15) in a combined mode, a base (18) is connected to one side of the support (19), and the base (18) is connected with the motor (15) and the shell body (1) in a combined mode through the support (19) respectively.
6. A balanced roots vacuum pump according to claim 1, wherein: a plurality of oil filling ports (20) are formed in one side of the shell body (1), and the oil filling ports (20) are synchronously arranged on the outer sides of the gears (8) and the bearings (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321908607.0U CN220748530U (en) | 2023-07-20 | 2023-07-20 | Roots vacuum pump capable of maintaining balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321908607.0U CN220748530U (en) | 2023-07-20 | 2023-07-20 | Roots vacuum pump capable of maintaining balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748530U true CN220748530U (en) | 2024-04-09 |
Family
ID=90549767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321908607.0U Active CN220748530U (en) | 2023-07-20 | 2023-07-20 | Roots vacuum pump capable of maintaining balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748530U (en) |
-
2023
- 2023-07-20 CN CN202321908607.0U patent/CN220748530U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |