CN202360402U - Roots vacuum pump - Google Patents
Roots vacuum pump Download PDFInfo
- Publication number
- CN202360402U CN202360402U CN2011204217828U CN201120421782U CN202360402U CN 202360402 U CN202360402 U CN 202360402U CN 2011204217828 U CN2011204217828 U CN 2011204217828U CN 201120421782 U CN201120421782 U CN 201120421782U CN 202360402 U CN202360402 U CN 202360402U
- Authority
- CN
- China
- Prior art keywords
- vacuum pump
- pump body
- roots vacuum
- roots pump
- roots
- 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.)
- Expired - Fee Related
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to a Roots vacuum pump, which comprises a Roots vacuum pump body. Shafts and rotors are arranged in the Roots vacuum pump body; and each rotor is arranged on the exterior of each shaft. The Roots vacuum pump is characterized in that an upper end of the Roots vacuum pump body is provided with an air inlet; a lower end of the Roots vacuum pump body is provided with an air outlet; two sides of the Roots vacuum pump body are provided with air supplementing ports; and the air outlet of the Roots vacuum pump body is provided with a cooling device. The Roots vacuum pump has the advantages that the structure is simple, the Roots vacuum pump is convenient to use, the working temperature of the Roots vacuum pump body is reduced, the working noises can be reduced, the application is wide, the operation is reliable, the maintenance cost is low, the working efficiency is improved and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of Roots pump.
Background technique
Roots pump is widely used in the industries such as the smelting degassing in the vacuum metallurgy, rolling, chemical industry, food, medicine; Use more extensively, traditional Roots pump can exist some problems in the course of the work, and Roots pump deterioration phenomenon occurs easily after work a period of time; Cause its life-span to shorten greatly; Badly influenced the normal operation of Roots pump, for addressing the above problem, the spy provides a kind of new technological scheme.
The model utility content
The purpose of the utility model provides a kind of Roots pump.
The technological scheme that the utility model adopts is:
A kind of Roots pump; Comprise the Roots pump body, be provided with axle and rotor in this Roots pump body, said axle outside is provided with rotor; Said Roots pump body upper end offers intake grill; Said Roots pump body lower end offers exhaust outlet, and said Roots pump body both sides are provided with wind-supplying mouth, and the exhaust outlet place of said Roots pump body is provided with cooling unit.
Said cooling unit is made up of cooling coil and the fin that is fixed on the cooling coil.
The diameter of said wind-supplying mouth is less than the diameter of exhaust outlet.
The utility model has the advantages that: simple in structure, easy to use, reduced the operating temperature of Roots pump, can reduce its operating noise again, be widely used, reliable, maintenance cost is low, has improved working efficiency, increases the service life.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model.
Wherein: 1, Roots pump body, 2, axle, 3, rotor, 4, intake grill, 5, exhaust outlet, 6, wind-supplying mouth, 7, cooling unit, 8, cooling coil, 9, fin.
Embodiment
As shown in Figure 1, a kind of Roots pump of the utility model comprises Roots pump body 1, is provided with axle 2 and rotor 3 in this Roots pump body 1; Axle 2 outsides are provided with rotor 3, and Roots pump body 1 upper end offers intake grill 4, and Roots pump body 1 lower end offers exhaust outlet 5, and Roots pump body 1 both sides are provided with wind-supplying mouth 6; The diameter of wind-supplying mouth 6 is less than the diameter of exhaust outlet 5, and exhaust outlet 5 places of Roots pump body 1 are provided with cooling unit 7, and cooling unit 7 is made up of cooling coil 8 and the fin 9 that is fixed on the cooling coil 8; Simple in structure, easy to use, reduced the operating temperature of Roots pump; Can reduce its operating noise again, be widely used, reliable; Maintenance cost is low, has improved working efficiency, increases the service life.
Claims (3)
1. Roots pump; Comprise the Roots pump body, be provided with axle and rotor in this Roots pump body, said axle outside is provided with rotor; It is characterized in that: said Roots pump body upper end offers intake grill; Said Roots pump body lower end offers exhaust outlet, and said Roots pump body both sides are provided with wind-supplying mouth, and the exhaust outlet place of said Roots pump body is provided with cooling unit.
2. a kind of Roots pump according to claim 1 is characterized in that: said cooling unit is made up of cooling coil and the fin that is fixed on the cooling coil.
3. a kind of Roots pump according to claim 1 is characterized in that: the diameter of said wind-supplying mouth is less than the diameter of exhaust outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204217828U CN202360402U (en) | 2011-10-31 | 2011-10-31 | Roots vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204217828U CN202360402U (en) | 2011-10-31 | 2011-10-31 | Roots vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202360402U true CN202360402U (en) | 2012-08-01 |
Family
ID=46571592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204217828U Expired - Fee Related CN202360402U (en) | 2011-10-31 | 2011-10-31 | Roots vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202360402U (en) |
-
2011
- 2011-10-31 CN CN2011204217828U patent/CN202360402U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20121031 |