CN217501982U - Rotor motor end oil cup-free structure of roots pump - Google Patents
Rotor motor end oil cup-free structure of roots pump Download PDFInfo
- Publication number
- CN217501982U CN217501982U CN202220292740.7U CN202220292740U CN217501982U CN 217501982 U CN217501982 U CN 217501982U CN 202220292740 U CN202220292740 U CN 202220292740U CN 217501982 U CN217501982 U CN 217501982U
- Authority
- CN
- China
- Prior art keywords
- end cover
- sleeved
- oil
- outer seal
- bearing
- 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.)
- Active
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a rotor motor end oilless cup structure of a roots pump, which comprises a front end cover, an end cover and an outer seal seat, wherein the end cover is horizontally arranged, the front end cover is fixed on the left side of the end cover, the outer seal seat is fixed on the right side of the end cover, the front end cover, the end cover and the outer seal seat are internally and horizontally arranged on a main rotor which is rotatably connected with the front end cover, a mechanical sealing element is sleeved on the joint of the main rotor and the outer seal seat, and a piston ring is sleeved on the joint of the main rotor and the front end cover; the mechanical sealing element is formed by combining a dynamic sealing assembly and a static sealing assembly, the dynamic sealing assembly is arranged on the left side of the mechanical sealing element, the static sealing assembly is arranged on the right side of the mechanical sealing element, a pin hole penetrates through the upper end of the static sealing assembly horizontally, a through hole is formed at the joint of the outer sealing seat and the static sealing assembly, and the through hole and the pin hole are formed in the same horizontal position.
Description
Technical Field
The utility model particularly relates to a roots pump rotor motor holds no oil cup structure.
Background
The Roots vacuum pump is a variable-capacity vacuum pump which is internally provided with two blade-shaped rotors which synchronously rotate in opposite directions, and small gaps are arranged among the rotors and between the rotors and the inner wall of a pump shell so as not to be in contact with each other.
The oil cup is arranged above the front cover of most roots pumps in the current market, and the oil cup is used for filling oil to the main rotor sealing structure and keeping enough oil lubrication and ventilation. The structure has the defects that the lubricating oil in the oil cup needs to be maintained frequently, the proper oil quantity is kept, too much oil cannot be added, if too much oil is added, the oil in the oil cup overflows when the Roots pump works, too little oil cannot be added, if too little oil is not added, the lubrication is insufficient, if the maintenance is not proper, little oil or no oil is caused, the sealing element is abraded dryly, the sealing element is damaged, and the serious oil leakage is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
A rotor motor end oil cup-free structure of a Roots pump comprises a front end cover, an end cover and an outer seal seat, wherein the end cover is horizontally arranged, the front end cover is fixed on the left side of the end cover, the outer seal seat is fixed on the right side of the end cover, a main rotor rotationally connected with the front end cover, the end cover and the outer seal seat are horizontally arranged in the front end cover, the end cover and the outer seal seat, a mechanical sealing element is sleeved at the joint of the main rotor and the outer seal seat, and a piston ring is sleeved at the joint of the main rotor and the front end cover;
the mechanical sealing element is formed by combining a dynamic sealing assembly and a static sealing assembly, the dynamic sealing assembly is arranged on the left side of the mechanical sealing element, the static sealing assembly is arranged on the right side of the mechanical sealing element, a pin hole is horizontally communicated at the upper end of the static sealing assembly, a through hole is formed at the joint of the outer sealing seat and the static sealing assembly, and the through hole and the pin hole are formed at the same horizontal position.
Preferably, the front end cover, the end cover and the outer seal seat are combined and molded, and then the middle part is molded into the oil cavity.
Preferably, an oil baffle disc is sleeved on the left side of the main rotor and is arranged on the right side of the piston ring.
Preferably, the right side of the oil baffle disc is provided with a bearing which is sleeved on the main rotor.
Preferably, the middle part of the main rotor is sleeved with a bearing gasket.
Preferably, the bearing washer is sleeved with an outer ring gasket and a pressure plate, the outer ring gasket is sleeved on the left side of the bearing washer, the pressure plate is sleeved on the right side of the bearing washer, and the left side of the bearing washer is fixedly connected with the outer ring gasket;
and a wave pad is sleeved between the outer ring gasket and the pressure plate.
Preferably, the right side of the bearing washer is provided with round nuts at intervals, a first oil thrower is sleeved between the bearing washer and the round nuts, and a second oil thrower is sleeved on the left side of the round nuts.
Preferably, an oil seal is formed at the joint of the dynamic sealing assembly and the outer sealing seat, and an oil port is formed at the bottom of the left side of the outer sealing seat.
Preferably, a bolt is fixed in the pin hole.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a roots pump rotor motor end does not have oil cup structure does not need frequent maintenance, frequently refuels, first disc and the second disc that its set up when the roots pump begins to work will be automatic through the electromotion of main rotor will bring the oil for the sealing member, let the sealing member keep having sufficient lubrication, the advantage of this kind of structure is that frequent maintenance of refueling is not had, its sealing member is not fragile to the performance is very stable, reliable
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1. the oil-gas separator comprises a front end cover, 2, an end cover, 3, an outer seal seat, 4, a main rotor, 5, a mechanical seal, 6, a piston ring, 7, a dynamic seal assembly, 8, a static seal assembly, 9, an oil cavity, 10, an oil baffle disc, 11, a bearing, 12, a bearing gasket, 13, an outer ring gasket, 14, a pressing plate, 15, a round nut, 16, a first oil thrower disc, 17, a second oil thrower disc, 18, an oil seal, 19, an oil port, 20, a bolt, 21, a wave pad, 22 and a pin hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, an oil cup-free structure of a rotor motor end of a roots pump includes a front end cover 1, an end cover 2 and an outer seal holder 3, wherein the end cover 2 is horizontally disposed, the front end cover 1 is fixed on the left side of the end cover, the outer seal holder 3 is fixed on the right side of the end cover, a main rotor 4 rotatably connected to the front end cover 1, the end cover 2 and the outer seal holder 3 are horizontally disposed in the front end cover 1, a mechanical seal 5 is sleeved at a connection between the main rotor 4 and the outer seal holder 3, and a piston ring 6 is sleeved at a connection between the main rotor 4 and the front end cover 1;
the mechanical sealing element 5 is formed by combining a dynamic sealing assembly 7 and a static sealing assembly 8, the dynamic sealing assembly 7 is arranged on the left side of the mechanical sealing element 5, the static sealing assembly 8 is arranged on the right side of the mechanical sealing element 5, a pin hole 22 is horizontally communicated with the upper end of the static sealing assembly 8, a through hole is formed at the joint of the outer sealing seat 3 and the static sealing assembly 8, and the through hole and the pin hole 22 are formed at the same horizontal position.
Preferably, the front end cover 1, the end cover and the outer seal holder 3 are combined and molded, and then the middle part is molded into the oil cavity 9.
Preferably, an oil baffle 10 is sleeved on the left side of the main rotor 4, and the oil baffle 10 is arranged on the right side of the piston ring 6.
Preferably, a bearing 11 is arranged on the right side of the oil baffle 10, and the bearing 11 is sleeved on the main rotor 4.
Preferably, a bearing washer 12 is sleeved in the middle of the main rotor 4.
Preferably, the bearing washer 12 is sleeved with an outer ring gasket 13 and a pressure plate 14, the outer ring gasket 13 is sleeved on the left side of the bearing washer 12, the pressure plate 14 is sleeved on the right side of the bearing washer 12, and the left side of the bearing washer 12 is fixedly connected with the outer ring gasket 13;
a wave pad 21 is sleeved between the outer ring gasket 13 and the pressure plate 14.
Preferably, the right side of the bearing ring 12 is provided with round nuts 15 at intervals, a first oil thrower 16 is sleeved between the bearing ring 12 and the round nuts 15, and the left side of the round nuts 15 is sleeved with a second oil thrower 17.
Preferably, an oil seal 18 is formed at the joint of the dynamic seal assembly 7 and the outer seal holder 3, and an oil port 19 is formed at the bottom of the left side of the outer seal holder 3.
Preferably, the pin 20 is secured within the pin bore 22.
The working principle is as follows: lubricating oil is injected from an oil port 19, a motor end bearing 11 gasket is arranged on an inner ring on the right side of the bearing 11, a first oil thrower 16 and a second oil thrower 17 are arranged on the right side of the motor end bearing 11 gasket, the first oil thrower 16 and the second oil thrower 17 are used for distributing the oil in the cavity upwards in the process of high-speed rotation of the first oil thrower 16 and the second oil thrower 17, so that the lubricating oil enters a mechanical seal position through the oil port 19 on the outer seal seat 3, the oil seal 18 and the mechanical seal can keep enough lubricating oil in a normal period, the service life of the oil seal 18 and the service life of the mechanical seal are fully ensured, a round nut 15 is arranged on the right side of the first oil thrower 16, a thread is arranged in an inner hole of the round nut 15 and is connected with a rotor shaft, and when the round nut 15 is screwed, all end faces matched with the round nut in sequence are locked.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. A structure without an oil cup at a motor end of a rotor of a Roots pump is characterized by comprising a front end cover, an end cover and an outer seal seat, wherein the end cover is horizontally arranged, the front end cover is fixed at the left side of the end cover, the outer seal seat is fixed at the right side of the end cover, a main rotor rotationally connected with the front end cover, the end cover and the outer seal seat are horizontally arranged in the front end cover, the end cover and the outer seal seat, a mechanical sealing element is sleeved at the joint of the main rotor and the outer seal seat, and a piston ring is sleeved at the joint of the main rotor and the front end cover;
the mechanical sealing element is formed by combining a dynamic sealing assembly and a static sealing assembly, the dynamic sealing assembly is arranged on the left side of the mechanical sealing element, the static sealing assembly is arranged on the right side of the mechanical sealing element, a pin hole penetrates through the upper end of the static sealing assembly horizontally, a through hole is formed at the joint of the outer sealing seat and the static sealing assembly, and the through hole and the pin hole are formed in the same horizontal position.
2. The structure of claim 1, wherein the front end cover, the end cover and the outer seal seat are combined and formed, and then the middle part is formed into the oil cavity.
3. The rotor motor end oilless cup structure of a roots pump as claimed in claim 1, wherein the oil baffle disc is sleeved on the left side of the main rotor and is arranged on the right side of the piston ring.
4. The structure of claim 1, wherein the bearing is disposed on the right side of the oil baffle disc, and the bearing is sleeved on the main rotor.
5. The rotor motor end oilless cup structure of a roots pump as claimed in claim 1, wherein the main rotor is sleeved with a bearing washer in the middle.
6. The structure of claim 1, wherein the outer ring gasket and the pressure plate are sleeved on the bearing gasket, the outer ring gasket is sleeved on the left side of the bearing gasket, the pressure plate is sleeved on the right side of the bearing gasket, and the left side of the bearing gasket is fixedly connected with the outer ring gasket;
and a wave pad is sleeved between the outer ring gasket and the pressure plate.
7. The structure of claim 1, wherein the bearing washer has a round nut on the right side at intervals, a first oil thrower is sleeved between the bearing washer and the round nut, and a second oil thrower is sleeved on the left side of the round nut.
8. The structure of claim 1, wherein an oil seal is formed at the joint of the dynamic seal assembly and the outer seal housing, and an oil port is formed at the bottom of the left side of the outer seal housing.
9. The roots-pump-rotor-motor-end oilless cup structure of claim 1, wherein the pin is fixed in the pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220292740.7U CN217501982U (en) | 2022-02-14 | 2022-02-14 | Rotor motor end oil cup-free structure of roots pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220292740.7U CN217501982U (en) | 2022-02-14 | 2022-02-14 | Rotor motor end oil cup-free structure of roots pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217501982U true CN217501982U (en) | 2022-09-27 |
Family
ID=83345228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220292740.7U Active CN217501982U (en) | 2022-02-14 | 2022-02-14 | Rotor motor end oil cup-free structure of roots pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217501982U (en) |
-
2022
- 2022-02-14 CN CN202220292740.7U patent/CN217501982U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211598988U (en) | Melt gear pump | |
| CN217501982U (en) | Rotor motor end oil cup-free structure of roots pump | |
| CN217055596U (en) | Oil seal structure of integrative linkage of drive shaft and contain vacuum pump of this oil seal structure | |
| CN110285054A (en) | A kind of water lubrication screw air compressor | |
| CN201100267Y (en) | A pump axis sealing device | |
| CN212838212U (en) | Piston air compressor lubricating system | |
| CN113775651A (en) | Gate pump with water lubricated bearing | |
| CN201065851Y (en) | Combined type shaft seal for slurry pump with self-circulated cooling device | |
| CN209781954U (en) | Novel ultralow-temperature rotary joint | |
| CN217107474U (en) | Rubber diaphragm decompression seal structure | |
| CN212137430U (en) | Motor with wear-resisting gasket | |
| CN211059055U (en) | Bearing structure | |
| CN2311653Y (en) | Universal joint pin coupling with oil-storing chamber itself | |
| CN111322268A (en) | Mechanical seal structure of slurry pump | |
| CN215334340U (en) | Shaft sealing structure of speed reducer for stirring | |
| CN219953660U (en) | Bearing seat sealing structure of dry screw vacuum pump and dry screw vacuum pump | |
| CN216788779U (en) | Vertical multistage pump bearing lubricating arrangement | |
| CN217380917U (en) | Vertical long-shaft pump driving structure | |
| CN218882511U (en) | Roots vacuum pump with five-point mechanical sealing structure | |
| CN209875757U (en) | Filter pump bearing part structure | |
| CN209743225U (en) | Bracket assembly for high-efficiency wear-resistant slurry pump | |
| CN217130335U (en) | Mechanical seal and high-speed pump with same | |
| CN212203116U (en) | Rotating shaft sealing device for filter | |
| CN116006481B (en) | Abnormal shutdown oil supply protection device for centrifugal compressor | |
| CN218062554U (en) | Reciprocating swash plate plunger cleaning machine pump with oil leakage prevention and improved structure and motor thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |