CN214533534U - Scraper type vacuum pump - Google Patents
Scraper type vacuum pump Download PDFInfo
- Publication number
- CN214533534U CN214533534U CN202023143248.3U CN202023143248U CN214533534U CN 214533534 U CN214533534 U CN 214533534U CN 202023143248 U CN202023143248 U CN 202023143248U CN 214533534 U CN214533534 U CN 214533534U
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- rotating shaft
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Abstract
The utility model relates to a scraper formula vacuum pump belongs to vacuum pump technical field. The automatic scraper pump comprises a pump body, a rotating shaft, a motor, a rotor and a scraper, wherein the rotating shaft is arranged in the center of the pump body, one end of the rotating shaft is connected with the output end of the motor, and the motor electrically rotates the rotating shaft when working; the rotating shaft is connected with a rotor through a spline, the rotor is connected with a plurality of scraping sheets, and the scraping sheets are uniformly distributed along the circumferential direction; the inner wall of the pump body is provided with an anodic oxidation layer, and the surface of the anodic oxidation layer is coated with a nylon coating. The anodic oxidation layer on the inner wall of the pump body can improve the corrosion resistance and the wear resistance of the aluminum alloy; the nylon coating on the surface of the anodic oxide layer has excellent wear resistance, good self-lubrication, high temperature resistance, excellent corrosion resistance and excellent chemical stability.
Description
Technical Field
The utility model relates to a scraper formula vacuum pump belongs to vacuum pump technical field.
Background
The scraper vacuum pump is a water diversion device commonly used in a vehicle fire pump, is used for discharging air in a water pump and a water suction pipe, forms a certain vacuum degree in the water pump, enables water at a water source to enter the water pump under the action of atmospheric pressure, and completes the whole water diversion work.
In the prior art, because the inner wall of the vacuum pump is not anodized and coated with a nylon coating, the scraping blade is not made of graphite materials, the vacuum pump cannot realize high-speed rotation friction in a dry state during working, an oil can is required, and the vacuum pump can work only by continuously injecting oil during working to realize lubrication.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned weak point to a scraper formula vacuum pump is provided, the life of vacuum pump has been improved, uses safe and reliable.
According to the utility model provides a technical scheme, the scraper formula vacuum pump includes the pump body, pivot, motor, rotor and doctor-bar, characterized by: a rotating shaft is arranged in the center of the pump body, one end of the rotating shaft is connected with the output end of the motor, and the motor rotates the rotating shaft electrically when working; the rotating shaft is connected with a rotor through a spline, the rotor is connected with a plurality of scraping sheets, and the scraping sheets are uniformly distributed along the circumferential direction; the inner wall of the pump body is provided with an anodic oxidation layer, and the surface of the anodic oxidation layer is coated with a nylon coating.
Further, the scraping blade is made of graphite materials.
Furthermore, one end of the pump body, which faces the motor, is connected with a pump cover through a bolt, and the pump cover seals the rotating shaft in the pump body.
Furthermore, a plurality of first sealing rings are arranged between the pump cover and the rotating shaft, and a second sealing ring is arranged between the pump cover and the pump body.
Compared with the prior art, the utility model has the advantages that:
the utility model has simple, compact and reasonable structure, and the anodic oxidation layer on the inner wall of the pump body can improve the corrosion resistance and the wear resistance of the aluminum alloy; the nylon coating on the surface of the anodic oxide layer has excellent wear resistance, good self-lubrication, high temperature resistance, excellent corrosion resistance and chemical stability; the scraper is made of graphite materials, so that the scraper can resist high temperature, has good self-lubricating property and resists chemical corrosion.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Description of reference numerals: the pump comprises a pump body 1, a pump cover 2, a rotating shaft 3, a motor 4, a rotor 5, a scraper 6, a first sealing ring 7 and a second sealing ring 8.
Detailed Description
The invention will be further described with reference to the embodiments shown in the drawings to which:
as shown in fig. 1-2, the utility model discloses mainly including the pump body 1, pivot 3, motor 4, rotor 5 and doctor-bar 6, pump body 1 center is equipped with pivot 3, and the output of motor 4 is connected to the one end of pivot 3, and motor 4 during operation electric shaft 3 rotates.
The rotating shaft 3 is connected with a rotor 5 through a spline, the rotor 5 is connected with a plurality of scraping pieces 6, and the scraping pieces 6 are uniformly distributed along the circumferential direction.
One end of the pump body 1 facing the motor 4 is connected with the pump cover 2 through a bolt, and the pump cover 2 seals the rotating shaft 3 in the pump body 1.
A plurality of first sealing rings 7 are arranged between the pump cover 2 and the rotating shaft 3, and a second sealing ring 8 is arranged between the pump cover 2 and the pump body 1.
The inner wall of the pump body 1 is provided with an anodic oxidation layer, and the anodic oxidation layer can improve the corrosion resistance and the wear resistance of the aluminum alloy.
The nylon coating is coated on the surface of the anodic oxidation layer of the pump body 1, has excellent wear resistance and good self-lubrication performance, can resist high temperature, and has excellent corrosion resistance and chemical stability.
The scraping plate 6 is made of graphite materials, so that the scraping plate can resist high temperature, has good self-lubricating property and resists chemical corrosion.
The utility model discloses a theory of operation is: when the motor rotates, the rotating shaft is driven to rotate, the rotating shaft and the rotor are connected together through a spline, so that the rotor is driven to rotate, the scraping blade slides along the inner wall of the pump shell under the action of centrifugal force, the volume of the air suction chamber is gradually enlarged, air is continuously sucked, and air suction is finished after the scraping blade rotates to the vertical position.
The utility model has simple, compact and reasonable structure, and the anodic oxidation layer on the inner wall of the pump body can improve the corrosion resistance and the wear resistance of the aluminum alloy; the nylon coating on the surface of the anodic oxide layer has excellent wear resistance, good self-lubrication, high temperature resistance, excellent corrosion resistance and chemical stability; the scraper is made of graphite materials, so that the scraper can resist high temperature, has good self-lubricating property and resists chemical corrosion.
Claims (4)
1. The utility model provides a scraper formula vacuum pump, includes the pump body (1), pivot (3), motor (4), rotor (5) and doctor-bar (6), characterized by: a rotating shaft (3) is arranged in the center of the pump body (1), one end of the rotating shaft (3) is connected with the output end of a motor (4), and the motor (4) electrically rotates the rotating shaft (3) when working; the rotating shaft (3) is connected with the rotor (5) through a spline, the rotor (5) is connected with a plurality of scraping sheets (6), and the scraping sheets (6) are uniformly distributed along the circumferential direction; the inner wall of the pump body (1) is provided with an anodic oxidation layer, and the surface of the anodic oxidation layer is coated with a nylon coating.
2. A sliding vane vacuum pump as claimed in claim 1, wherein: the scraping blade (6) is made of graphite materials.
3. A sliding vane vacuum pump as claimed in claim 1, wherein: the pump body (1) is connected with the pump cover (2) through a bolt towards one end of the motor (4), and the rotating shaft (3) is sealed in the pump body (1) by the pump cover (2).
4. A sliding vane vacuum pump as claimed in claim 3, wherein: be equipped with first sealing washer of a plurality of (7) between pump cover (2) and pivot (3), be equipped with second sealing washer (8) between pump cover (2) and the pump body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023143248.3U CN214533534U (en) | 2020-12-23 | 2020-12-23 | Scraper type vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023143248.3U CN214533534U (en) | 2020-12-23 | 2020-12-23 | Scraper type vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214533534U true CN214533534U (en) | 2021-10-29 |
Family
ID=78295973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023143248.3U Active CN214533534U (en) | 2020-12-23 | 2020-12-23 | Scraper type vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214533534U (en) |
-
2020
- 2020-12-23 CN CN202023143248.3U patent/CN214533534U/en active Active
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