CN210769299U - Composite double-screw vacuum pump - Google Patents
Composite double-screw vacuum pump Download PDFInfo
- Publication number
- CN210769299U CN210769299U CN201921344249.9U CN201921344249U CN210769299U CN 210769299 U CN210769299 U CN 210769299U CN 201921344249 U CN201921344249 U CN 201921344249U CN 210769299 U CN210769299 U CN 210769299U
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- China
- Prior art keywords
- screw rod
- vacuum pump
- oil
- screw
- lubricating
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- Expired - Fee Related
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Abstract
The compound double-screw vacuum pump is provided with a motor and a screw rod, the screw rod comprises a first screw rod and a second screw rod, the first screw rod and the second screw rod are mutually meshed, the first screw rod and the motor are mutually connected, a transmission shaft is arranged between the motor and the first screw rod, a lubricating part is arranged on the outer side of the transmission shaft, an oil overflow port is arranged on the lubricating part, the top end of the lubricating component is provided with an oil inlet port, the oil inlet port is provided with an oil inlet pipe, an oil inlet control valve is arranged on the oil inlet pipe, a first internal tooth is arranged on the first screw rod, the second screw rod is provided with second internal teeth, the first internal teeth and the second internal teeth are mutually meshed, a lubricating part is arranged in the vacuum pump, the problem that the lubricating effect of a transmission shaft in a vacuum pump is poor and continuous lubrication cannot be performed can be solved.
Description
Technical Field
The utility model relates to a vacuum pump, concretely relates to compound double screw vacuum pump.
Background
The screw vacuum pump is an air extraction device which utilizes a pair of screws to synchronously rotate in a high speed and reverse direction in a pump shell to generate air suction and exhaust functions, is an updated product of an oil seal type vacuum pump, can extract gas occasions containing a large amount of water vapor and a small amount of dust, and is widely applied to the enterprise fields of domestic pharmacy, chemical industry, semiconductors and the like which have higher requirements on clean vacuum, and the prior art comprises: CN201821655839.9 is a double-shaft efficient screw vacuum pump, belonging to the technical field of vacuum pumps and comprising a motor, a first end cover, a second end cover, a shell, a main transmission moving shaft, a driven transmission moving shaft, a driving screw, a driven screw, a bearing, a driving gear, a driven gear, a coupler and a cooling assembly; wherein, cooling module includes inlet, liquid outlet and cooling duct, inlet and liquid outlet set up the both ends at cooling duct respectively, be equipped with the cavity on the casing, cooling duct sets up in the cavity to cooling duct is the heliciform setting, all have the coolant liquid in cavity and the cooling duct, exist among the prior art: the lubricating effect is not good when the vacuum pump is used, the transmission efficiency between the transmission shaft and the screw rod is not high easily, and the service life of the vacuum pump is limited.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a lubricated effect is not good when the vacuum pump that exists among the solution prior art uses, easily causes transmission efficiency between transmission shaft and the screw rod not high, and the limited technical problem of life of vacuum pump provides one kind can be better carry out the inside transmission shaft of vacuum pump and lubricate, can let the vacuum pump use more efficient compound twin-screw vacuum pump.
The technical scheme of the utility model is that: a composite double-screw vacuum pump is provided with a motor and a screw rod, wherein the screw rod comprises a first screw rod and a second screw rod which are mutually meshed, the first screw rod and the second screw rod are mutually connected, a transmission shaft is arranged between the motor and the first screw rod, a lubricating part is arranged on the outer side of the transmission shaft, an oil overflow port is arranged on the lubricating part, an oil inlet port is arranged at the top end of the lubricating part, an oil inlet pipe is arranged on the oil inlet port, an oil inlet control valve is arranged on the oil inlet pipe, a first inner tooth is arranged on the first screw rod, a second inner tooth is arranged on the second screw rod, the first inner tooth and the second inner tooth are mutually meshed, thick inner teeth are arranged at the top ends of the first inner tooth and the second inner tooth, and an air inducing part is arranged on the outer sides of the first screw rod and the second screw rod, the induced draft part is an induced draft cover, and a dust isolating part is arranged in the induced draft cover.
The lubricating part is a lubricating oil groove, and an oil storage part is arranged in the lubricating oil groove.
The oil storage part is an oil storage sponge, an oil storage hole is formed in the oil storage sponge, and the oil storage sponge is attached to the oil overflow hole.
The dust isolation component comprises an upper dust collection bag and a lower dust collection bag, and an isolation filter screen is arranged between the upper dust collection bag and the lower dust collection bag.
The lower end of the isolation filter screen is provided with a support end, and the support end is a support U-shaped groove.
The lower extreme of motor be provided with portable support frame, be provided with the removal gyro wheel at portable support frame lower extreme.
The utility model has the advantages that: through being provided with lubricated part in the vacuum pump, can solve the lubricated effect of transmission shaft in the vacuum pump not good enough, can not carry out the problem of continuous lubrication, let transmission shaft in the vacuum pump more high-efficient and safety when using, satisfied the needs of continuous lubrication's work, adopt the collection dirt of mutually supporting of last collection dirt bag and lower collection dirt bag simultaneously, can carry out the recovery of dust and dust.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial enlarged view of the present invention.
Fig. 3 is a partial enlarged view of the present invention.
In the figure: 1. a motor; 2. a first screw rod; 3. a second screw; 4. a drive shaft; 5. a lubricated component; 6. an oil inlet pipe; 7. coarse internal teeth; 8. an induced draft cover; 9. an oil storage member; 10. an oil overflow port; 11. a dust collection bag is arranged; 12. a dust collection bag is arranged; 13. a support end; 14. the support frame can be moved.
Detailed Description
A compound double-screw vacuum pump is provided with a motor 1 and screws, wherein the screws comprise a first screw 2 and a second screw 3, the first screw 2 and the second screw 3 are meshed with each other, the first screw 2 is connected with the motor 1, a transmission shaft 4 is arranged between the motor 1 and the first screw 2, a lubricating part 5 is arranged on the outer side of the transmission shaft 4, an oil overflow port 10 is arranged on the lubricating part 5, an oil inlet port is arranged at the top end of the lubricating part 5, an oil inlet pipe 6 is arranged on the oil inlet port, an oil inlet control valve is arranged on the oil inlet pipe 6, a first internal tooth is arranged on the first screw 2, a second internal tooth is arranged on the second screw 3, the first internal tooth and the second internal tooth are meshed with each other, and a coarse internal tooth 7 is arranged at the top ends of the first internal tooth and the second internal tooth, and an air inducing part is arranged on the outer sides of the first screw rod 2 and the second screw rod 3, the air inducing part is an air inducing cover 8, and a dust isolating part is arranged in the air inducing cover 8.
The lubricating part 5 is a lubricating oil groove, and an oil storage part 9 is arranged in the lubricating oil groove.
When the vacuum pump needs to be used, lubricating oil can be fully absorbed by the oil storage part 9 through the oil storage part 9, the oil storage part 9 is an oil storage sponge, an oil storage hole is formed in the oil storage sponge, the oil storage sponge is attached to the oil overflow hole 10, the lubricating oil is fully absorbed by the oil storage sponge, and the lubricating oil flows out of the oil overflow hole 10 and lubricates the transmission shaft through the lubricating oil.
When the dust entered into the vacuum pump, avoided the dust to concentrate in the vacuum pump, carried out the collection of dust through last dust bag 11 and lower dust bag 12, dust isolation component includes last dust bag 11 and lower dust bag 12 between be provided with the isolation filter screen.
When the dust enters into the vacuum pump, need rely on the isolation filter screen to keep apart, keep apart the isolation that the filter screen can be better carries out the dust, keep apart the filter screen lower extreme and be provided with and support end 13, support end 13 for supporting U type groove, rely on to support end 13 to keep apart the support and the fixed of filter screen.
The motor is heavy, can rely on portable support frame 14 when needing to remove, and the lower extreme of motor 1 is provided with portable support frame 14, is provided with the removal gyro wheel at portable support frame 14 lower extreme.
Claims (6)
1. Compound double screw vacuum pump is provided with motor and screw rod, its characterized in that: the screw rod comprises a first screw rod and a second screw rod which are meshed with each other, the first screw rod and the second screw rod are connected with each other, a transmission shaft is arranged between the motor and the first screw rod, a lubricating part is arranged on the outer side of the transmission shaft, an oil overflow port is arranged on the lubricating part, an oil inlet port is arranged at the top end of the lubricating part, an oil inlet pipe is arranged on the oil inlet port, an oil inlet control valve is arranged on the oil inlet pipe, a first inner tooth is arranged on the first screw rod, a second inner tooth is arranged on the second screw rod, the first inner tooth and the second inner tooth are mutually meshed, thick inner teeth are arranged at the top ends of the first inner tooth and the second inner tooth, an air inducing part is arranged on the outer sides of the first screw rod and the second screw rod, and the air inducing part is an air inducing cover, a dust isolating component is arranged in the induced draft cover.
2. The compound twin-screw vacuum pump of claim 1, characterized in that: the lubricating part is a lubricating oil groove, and an oil storage part is arranged in the lubricating oil groove.
3. The compound twin-screw vacuum pump of claim 2, characterized in that: the oil storage part is an oil storage sponge, an oil storage hole is formed in the oil storage sponge, and the oil storage sponge is attached to the oil overflow hole.
4. The compound twin-screw vacuum pump of claim 1, characterized in that: the dust isolation component comprises an upper dust collection bag and a lower dust collection bag, and an isolation filter screen is arranged between the upper dust collection bag and the lower dust collection bag.
5. The compound twin-screw vacuum pump of claim 4, characterized in that: the lower end of the isolation filter screen is provided with a support end, and the support end is a support U-shaped groove.
6. The compound twin-screw vacuum pump of claim 1, characterized in that: the lower extreme of motor be provided with portable support frame, be provided with the removal gyro wheel at portable support frame lower extreme.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921344249.9U CN210769299U (en) | 2019-08-19 | 2019-08-19 | Composite double-screw vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921344249.9U CN210769299U (en) | 2019-08-19 | 2019-08-19 | Composite double-screw vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769299U true CN210769299U (en) | 2020-06-16 |
Family
ID=71044897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921344249.9U Expired - Fee Related CN210769299U (en) | 2019-08-19 | 2019-08-19 | Composite double-screw vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769299U (en) |
-
2019
- 2019-08-19 CN CN201921344249.9U patent/CN210769299U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20200819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |