CN204572459U - The combined pump of pawl pump rotor roots pump rotor combination - Google Patents
The combined pump of pawl pump rotor roots pump rotor combination Download PDFInfo
- Publication number
- CN204572459U CN204572459U CN201520120581.2U CN201520120581U CN204572459U CN 204572459 U CN204572459 U CN 204572459U CN 201520120581 U CN201520120581 U CN 201520120581U CN 204572459 U CN204572459 U CN 204572459U
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- China
- Prior art keywords
- pump
- pawl
- roots
- level
- rotor
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- Expired - Fee Related
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Abstract
The combined pump that the utility model provides a kind of pawl pump rotor roots pump rotor to combine, comprise one-level pump chamber, secondary pump chamber, triplex chamber, level Four pump chamber, one-level pawl pump rotor pair, secondary pawl pump rotor pair, three grades of pawl pump rotors pair, level Four pawl pump rotor pair, suction port, first rotating shaft, second rotating shaft, motor, connecting tube, first roots pump rotor, second roots pump rotor, air outlet, Roots's pump housing, the pawl pump pump housing, Roots's pump housing, the pawl pump pump housing is connected by connecting tube, one-level pump chamber, secondary pump chamber, triplex chamber, level Four pump chamber is communicated with successively, the first roots pump rotor is provided with in Roots's pump housing, second roots pump rotor, Roots's pump housing is provided with air outlet.The beneficial effects of the utility model namely solve the little problem of pawl pump rotor volumetric coefficient, and overcoming again Roots pump can not the weakness of discharging directly into atmosphere.
Description
Technical field
The utility model belongs to vacuum pump technology field, especially relates to the combined pump of a kind of pawl pump rotor roots pump rotor combination.
Background technique
When the motor of pawl pump is started working, motor passes to idle wheel by motor gear, passing to driving gear by idle wheel again drives synchronous driven gear to do synchronous running in the other direction, driving shaft, driven shaft just drives primary rotor, secondary rotor, three grades of rotors, level Four rotor carries out continuous suction and discharge acting, pumped gas passes through suction port, enter air intake passage, under the compression that primary rotor is right, gas in one-level pump chamber is by one-level air outlet flue, enter secondary pump chamber, two, three, gas in level Four pump chamber does same motion, condensation buffer area is entered through level Four air outlet flue, flow direction discharge opeing road, can directly be reclaimed by liquid collection mouth, survival gas passes through silencing apparatus, outside relief opening excavationg pump, thus play and vacuumize and the effect of gas-liquid separation.
Roots pump, in pump chamber, has the rotor of two figures of eight to be arranged on pair of parallel axle mutual vertically, and the reverse each other synchronous rotary of a pair gear band action being 1 by velocity ratio moves.Between rotor, between rotor and pump housing endophragm, maintain certain gap, high rotating speed can be realized and run.
The volumetric coefficient of pawl pump rotor is much less than the volumetric coefficient of roots pump rotor.But but Roots pump can not discharging directly into atmosphere, a kind of combined pump be composited by pawl pump rotor and roots pump rotor is also undiscovered, need research and development further.
Model utility content
The purpose of this utility model is to provide the combined pump of the pawl pump rotor roots pump rotor combination that a kind of structure is simple, simple to operate, manufacturing efficiency is high, is especially applicable to vacuumizing use.
The technical solution of the utility model is: the combined pump of pawl pump rotor roots pump rotor combination of the present utility model, comprises one-level pump chamber, secondary pump chamber, triplex chamber, level Four pump chamber, one-level pawl pump rotor pair, secondary pawl pump rotor pair, three grades of pawl pump rotors pair, level Four pawl pump rotor pair, suction port, first rotating shaft, second rotating shaft, motor, connecting tube, first roots pump rotor, second roots pump rotor, air outlet, Roots's pump housing, the pawl pump pump housing, Roots's pump housing, the pawl pump pump housing is connected by connecting tube, is provided with one-level pump chamber in the pawl pump pump housing, secondary pump chamber, triplex chamber, level Four pump chamber, suction port is connected with one-level pump chamber, one-level pump chamber, secondary pump chamber, triplex chamber, level Four pump chamber is communicated with successively, is provided with one-level pawl pump rotor pair in one-level pump chamber, is provided with secondary pawl pump rotor pair in secondary pump chamber, and three grades, triplex chamber pawl pump rotor pair, is provided with level Four pawl pump rotor pair in level Four pump chamber, one-level pawl pump rotor pair, secondary pawl pump rotor pair, three grades of pawl pump rotors pair, level Four pawl pump rotor forms by symmetrical two independent rotors, one-level pawl pump rotor pair, secondary pawl pump rotor pair, three grades of pawl pump rotors pair, right two the independent rotors of level Four pawl pump rotor are connected to the first rotating shaft respectively, in second rotating shaft, the first rotating shaft, second rotating shaft is all arranged on motor, and motor is arranged on the side of the pawl pump pump housing, is provided with the first roots pump rotor in Roots's pump housing, second roots pump rotor, Roots's pump housing is provided with air outlet, and air outlet and Roots's pump body communicate.
One-level pawl pump rotor to, secondary pawl pump rotor to, three grades of pawl pump rotors to, level Four pawl pump rotor to all in claw-like.
Roots's pump housing, pawl pump pump body are equipped with enamel layer.
First roots pump rotor, the second roots pump rotor are the figure of eight.
The advantage that the utility model has and good effect are:
1, owing to adopting technique scheme, operation is vacuumized convenient; Have structure simple, easy to maintenance, processing cost is low, manufacturing efficiency advantages of higher.
2, pawl pump rotor and roots pump rotor are combined, namely solve the problem that pawl pump rotor volumetric coefficient is little, overcoming again Roots pump can not the weakness of discharging directly into atmosphere.
3, the setting of enamel layer makes this device have etch-proof effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure:
1-suction port, 2-secondary pump chamber, 3-triplex chamber, the 4-pawl pump pump housing, 5-level Four pump chamber, 6-motor, 7-connecting tube, 8-level Four pawl pump rotor pair, 9-tri-grades of pawl pump rotors pair, 10-secondary pawl pump rotor pair, 11-one-level pawl pump rotor pair, 12-second rotating shaft, 13-one-level pump chamber, 14-first rotating shaft, 15-first roots pump rotor, 16-air outlet, 17-second roots pump rotor, the 18-Roots pump housing.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
As shown in Figure 1, the combined pump of pawl pump rotor roots pump rotor combination of the present utility model, comprises one-level pump chamber 13, secondary pump chamber 2, triplex chamber 3, level Four pump chamber 5, one-level pawl pump rotor is to 11, secondary pawl pump rotor is to 10, three grades of pawl pump rotors are to 9, level Four pawl pump rotor is to 8, suction port 1, first rotating shaft 14, second rotating shaft 12, motor 6, connecting tube 7, first roots pump rotor 15, second roots pump rotor 17, air outlet 16, Roots's pump housing 18, the pawl pump pump housing 4, Roots's pump housing 18, the pawl pump pump housing 4 is connected by connecting tube 7, is provided with one-level pump chamber 13 in the pawl pump pump housing 4, secondary pump chamber 2, triplex chamber 3, level Four pump chamber 5, suction port 1 is connected with one-level pump chamber 13, one-level pump chamber 13, secondary pump chamber 2, triplex chamber 3, level Four pump chamber 5 is communicated with successively, is provided with one-level pawl pump rotor to 11 in one-level pump chamber 13, is provided with secondary pawl pump rotor to 10 in secondary pump chamber 2, and 3 three grades, triplex chamber pawl pump rotor is to 9, and be provided with level Four pawl pump rotor in level Four pump chamber 5 to 8, one-level pawl pump rotor is to 11, secondary pawl pump rotor is to 10, three grades of pawl pump rotors are to 9, level Four pawl pump rotor is to 8 by symmetrical two independent rotor compositions, and one-level pawl pump rotor is to 11, secondary pawl pump rotor is to 10, three grades of pawl pump rotors are to 9, level Four pawl pump rotor is connected to the first rotating shaft 14 respectively to two independent rotors of 8, in second rotating shaft 12, the first rotating shaft 14, second rotating shaft 12 is all arranged on motor 6, and motor 6 is arranged on the side of the pawl pump pump housing 4, is provided with the first roots pump rotor 15 in Roots's pump housing 18, second roots pump rotor 17, Roots's pump housing 18 is provided with air outlet 16, and air outlet 16 and Roots's pump housing 18 inside communicate.
One-level pawl pump rotor to 11, secondary pawl pump rotor to 10, three grades of pawl pump rotors to 9, level Four pawl pump rotor to 8 all in claw-like.
Roots's pump housing 18, the pawl pump pump housing 4 inside are equipped with enamel layer.
First roots pump rotor 15, second roots pump rotor 17 is in the figure of eight.
The working procedure of this example: one-level pawl pump rotor is to 11, secondary pawl pump rotor is to 10, three grades of pawl pump rotors are to 9, level Four pawl pump rotor carries out continuous suction and discharge acting to 8, pumped gas passes through suction port, enter one-level pump chamber 13, under 11 compressions that primary rotor is right, the gas of one-level pump chamber 13 is by one-level air outlet flue, enter secondary pump chamber 2, secondary pump chamber 2, triplex chamber 3, gas in level Four pump chamber 5 does same motion, Roots's pump housing 18 is entered through connecting tube 7, gas is at the first roots pump rotor 15, compression is continued under the effect of the second roots pump rotor 17, discharge from air outlet 16, play vacuum action.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (4)
1. the combined pump of pawl pump rotor roots pump rotor combination, is characterized in that: comprise one-level pump chamber, secondary pump chamber, triplex chamber, level Four pump chamber, one-level pawl pump rotor pair, secondary pawl pump rotor pair, three grades of pawl pump rotors pair, level Four pawl pump rotor pair, suction port, first rotating shaft, second rotating shaft, motor, connecting tube, first roots pump rotor, second roots pump rotor, air outlet, Roots's pump housing, the pawl pump pump housing, Roots's pump housing, the pawl pump pump housing is connected by connecting tube, is provided with one-level pump chamber in the pawl pump pump housing, secondary pump chamber, triplex chamber, level Four pump chamber, suction port is connected with one-level pump chamber, one-level pump chamber, secondary pump chamber, triplex chamber, level Four pump chamber is communicated with successively, is provided with one-level pawl pump rotor pair in one-level pump chamber, is provided with secondary pawl pump rotor pair in secondary pump chamber, and three grades, triplex chamber pawl pump rotor pair, is provided with level Four pawl pump rotor pair in level Four pump chamber, one-level pawl pump rotor pair, secondary pawl pump rotor pair, three grades of pawl pump rotors pair, level Four pawl pump rotor forms by symmetrical two independent rotors, one-level pawl pump rotor pair, secondary pawl pump rotor pair, three grades of pawl pump rotors pair, right two the independent rotors of level Four pawl pump rotor are connected to the first rotating shaft respectively, in second rotating shaft, the first rotating shaft, second rotating shaft is all arranged on motor, and motor is arranged on the side of the pawl pump pump housing, is provided with the first roots pump rotor in Roots's pump housing, second roots pump rotor, Roots's pump housing is provided with air outlet, and air outlet and Roots's pump body communicate.
2. the combined pump of pawl pump rotor roots pump rotor according to claim 1 combination, is characterized in that: one-level pawl pump rotor to, secondary pawl pump rotor to, three grades of pawl pump rotors to, level Four pawl pump rotor to all in claw-like.
3. the combined pump of pawl pump rotor roots pump rotor combination according to claim 1, is characterized in that: Roots's pump housing, pawl pump pump body are equipped with enamel layer.
4. the combined pump of pawl pump rotor roots pump rotor according to claim 1 combination, is characterized in that the first roots pump rotor, the second roots pump rotor is the figure of eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120581.2U CN204572459U (en) | 2015-02-28 | 2015-02-28 | The combined pump of pawl pump rotor roots pump rotor combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120581.2U CN204572459U (en) | 2015-02-28 | 2015-02-28 | The combined pump of pawl pump rotor roots pump rotor combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572459U true CN204572459U (en) | 2015-08-19 |
Family
ID=53865103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520120581.2U Expired - Fee Related CN204572459U (en) | 2015-02-28 | 2015-02-28 | The combined pump of pawl pump rotor roots pump rotor combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026707A (en) * | 2018-08-22 | 2018-12-18 | 中北大学 | The combination pump that claw pumps are combined with slide valve pump |
| CN110506163A (en) * | 2017-04-07 | 2019-11-26 | 普发真空公司 | Pumping unit and application thereof |
-
2015
- 2015-02-28 CN CN201520120581.2U patent/CN204572459U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110506163A (en) * | 2017-04-07 | 2019-11-26 | 普发真空公司 | Pumping unit and application thereof |
| CN109026707A (en) * | 2018-08-22 | 2018-12-18 | 中北大学 | The combination pump that claw pumps are combined with slide valve pump |
| CN109026707B (en) * | 2018-08-22 | 2024-05-14 | 中北大学 | Composite pump combining claw pump and slide valve pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160228 |