CN204827922U - Novel two advance well screw vacuum pump of arranging - Google Patents
Novel two advance well screw vacuum pump of arranging Download PDFInfo
- Publication number
- CN204827922U CN204827922U CN201520603950.3U CN201520603950U CN204827922U CN 204827922 U CN204827922 U CN 204827922U CN 201520603950 U CN201520603950 U CN 201520603950U CN 204827922 U CN204827922 U CN 204827922U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- pump housing
- screw
- vacuum pump
- novel
- 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
Links
Abstract
The utility model belongs to the technical field of dry -type screw vacuum pump, concretely relates to screw vacuum pump who arranges in advancing, concrete technical scheme does: novel two advance well screw vacuum pump of arranging, including the pump body with wear the screw rod of dress in the pump body, the screw rod is the anti - screw rod of double -end, the one end of the pump body is through preceding end cap seal, the other end is through back end cap seal, the one end and the front end housing of screw rod pass through the bearing and link to each other, the other end of screw rod extends to the outside of rear end cap and continuous with the output shaft of motor, the middle part top of the pump body is equipped with the air inlet, the middle part bottom of the pump body is equipped with the drain, it is gaseous from divideing into left wind channel and right wind channel after air inlet goes into to the pump body in, gas in the wind channel of a left side passes through screw compression to the middle part that the left part divides, gas in the wind channel of the right side passes through screw compression to the middle part that the right part divides, discharge in gaseous gas outlet from both sides after two parts compression, the axial thrust cancel each other out of screw rod, and reasonable in structure, reach dynamic balance's effect, need not unnecessary sealing member.
Description
Technical field
The utility model belongs to dry screw vacuum pump technical field, is specifically related to the screw vacuum pump that a kind of two enter middle row.
Background technique
Dry screw vacuum pump is the sci-tech product that technology content is very high, be mainly used in the vacuum technology process of high-purity, degree of vacuum is high, bad working environments can be adapted to, have and extract solidifying property, ability containing particulate matter gas, be particularly suitable for clean environment, and the preservative treatment that is easy to do, be specially adapted to the fields such as electronics, chemical industry, biological medicine, intermetallic composite coating and food processing.Existing dry screw vacuum pump mainly contains following several technological deficiency: 1, end thrust is large, and screw rod causes bearing and lip envelope easily to be damaged to the thrust in low pressure direction, and screw vacuum pump more high thrust is larger; 2, lip envelope and mechanical seal have working life, once occur to leak the working life that will affect bearing and gear; 3, temperature is too high, and the working life affecting bearing also may cause pump seizure; Pump housing coating also may be caused easily to come off, perishable; 4, in pump chamber, waste material is difficult to emptying, easily stuck.
Model utility content
The utility model overcome prior art exist deficiency, aim to provide the simple screw vacuum pump of a kind of structure, air intake enter from the two ends of pump and by after screw compression from middle part discharge, energy-saving and emission-reduction, low-carbon environment-friendly.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: novel two enter middle row's screw vacuum pump, comprise the pump housing and be installed on the screw rod in the pump housing, screw rod is the anti-screw rod of double end, one end of the pump housing is sealed by front cover, and the other end is sealed by rear end cover, and one end of screw rod is connected by bearing with front cover, the other end of screw rod extends to the outside of rear end cover and is connected with the output shaft of motor, and driven by motor is the power plant of pump housing work.The top, middle part of the pump housing is provided with suction port, and the bottom, middle part of the pump housing is provided with sewage draining exit, and the waste material in operating mode is discharged from the bottom of the pump housing and reclaimed, and pollution discharge capability is strong, ensure that the turbidity test of working environment in the pump housing.Screw rod therefrom part is left half and right half, screw thread on left half and right half is reverse, the top layout of the pump housing has dividing plate, ventilation flue is formed between dividing plate and the pump housing, what form left half between the left port of ventilation flue and the pump housing supplies air port, and what form right half between the right output port of ventilation flue and the pump housing supplies air port.Gas enters into after in the pump housing from intake grill and is divided into left air channel and right air channel, gas in left air channel passes through the screw compression of left half to middle part, gas in right air channel passes through the screw compression of right half to middle part, gas after two-part compression is discharged from the air outlet of both sides, the end thrust of screw rod is cancelled out each other, rational in infrastructure, reach the effect of transient equiliblium, without the need to unnecessary Sealing.In addition, due to the transient equiliblium effect of screw rod, power demand is little, and noise is little, and the running temperature in the pump housing is low, there will not be high temperataure phenomena, solves the oil that causes because of the high temperature of pump and leaks and gap smaller and the stuck phenomenon that causes.
Wherein, the both sides of the pump housing are equipped with air outlet, easy to exhaust.
Wherein, be connected between screw rod and the output shaft of motor by coupling, dismounting is all convenient.
Wherein, coupling is covered with case, both improves Safety performance, again can water proof and dust proof.
Wherein, the right side of the pump housing is also connected with gear-box, is furnished with gear in gear-box, and gear is fixed on screw rod by key.
Wherein, be connected between screw rod with rear end cover by bearing, stable transmission, heat dissipating capacity is little.
Wherein, the outer surface of screw rod is coated with corrosion-inhibiting coating, corrosion-inhibiting coating can be antirust, again can corrosion protection, improves the antiseptic power of screw vacuum pump.
The utility model compared with prior art has following beneficial effect:
One, the utility model is rational in infrastructure, and operation stability is high.
Two, adopt two methods of operation entering middle row, gas to be entered in the pump housing by two ends and is compressed to middle discharge, and operate steadily, the waste material in operating mode reclaims from lower end, and pollution discharge capability improves.
Three, the method for operation of middle row is entered in employing two, and the balance exercise of screw rod two ends, does not need Sealing, reduces costs.
Five, the method for operation of middle row is entered in employing two, solves pump continuous high temperature phenomenon.
Six, the method for operation of middle row is entered in employing two, and the power of pump entirety is little, and noise is little.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is linkage structure schematic diagram of the present utility model.
Fig. 2 is side view of the present utility model.
Fig. 3 is plan view of the present utility model.
In figure: 1 is the pump housing, 2 is screw rod, and 3 is front cover, and 4 is rear end cover, and 5 is bearing, and 6 is coupling, 7 is suction port, and 8 is sewage draining exit, and 9 is left half, and 10 is right half, and 11 is dividing plate, and 12 is ventilation flue, 13 for supplying air port, and 14 is case, and 15 is gear-box, and 16 is gear, and 17 is motor.
Embodiment
Be described in further detail the utility model by reference to the accompanying drawings now, accompanying drawing is the schematic diagram simplified, and only basic structure of the present utility model is described in a schematic way, therefore it only shows the formation relevant with the utility model.
As Figure 1-3, novel two enter middle row's screw vacuum pump, the screw rod 2 comprising the pump housing 1 and be installed in the pump housing 1, screw rod 2 is the anti-screw rod 2 of double end, one end of the pump housing 1 is sealed by front cover 3, and the other end is sealed by rear end cover 4, and one end of screw rod 2 is connected by bearing 5 with front cover 3, the other end of screw rod 2 extends to the outside of rear end cover 4 and is connected with the output shaft of motor 17, and motor 17 drives the power plant for the pump housing 1 works.The top, middle part of the pump housing 1 is provided with suction port 7, and the bottom, middle part of the pump housing 1 is provided with sewage draining exit 8, and the waste material in operating mode is discharged from the bottom of the pump housing 1 and reclaimed, and pollution discharge capability is strong, ensure that the turbidity test of working environment in the pump housing 1.Screw rod 2 therefrom part is left half 9 and right half 10, screw thread on left half 9 and right half 10 is reverse, the top layout of the pump housing 1 has dividing plate 11, ventilation flue 12 is formed between dividing plate 11 and the pump housing 1, what form left half 9 between the left port of ventilation flue 12 and the pump housing 1 supplies air port 13, and what form right half 10 between the right output port of ventilation flue 12 and the pump housing 1 supplies air port 13.Gas enters into after in the pump housing 1 from intake grill and is divided into left air channel and right air channel, gas in left air channel is compressed to middle part by the screw rod 2 of left half 9, gas in right air channel is compressed to middle part by the screw rod 2 of right half 10, gas after two-part compression is discharged from the air outlet 8 of both sides, the end thrust of screw rod 2 is cancelled out each other, rational in infrastructure, reach the effect of transient equiliblium, without the need to unnecessary Sealing.In addition, due to the transient equiliblium effect of screw rod 2, power demand is little, and noise is little, and the running temperature in the pump housing 1 is low, there will not be high temperataure phenomena, solves the oil that causes because of the high temperature of pump and leaks and gap smaller and the stuck phenomenon that causes.
Wherein, the both sides of the pump housing 1 are equipped with air outlet, easy to exhaust.
Wherein, be connected by coupling 6 between screw rod 2 and the output shaft of motor 17, dismounting is all convenient.
Wherein, coupling 6 is covered with case 14, both improves Safety performance, again can water proof and dust proof.
Wherein, the right side of the pump housing 1 is also connected with gear-box 15, is furnished with gear 16 in gear-box 15, and gear 16 is fixed on screw rod 2 by key.
Wherein, be connected by bearing 5 between screw rod 2 with rear end cover 4, stable transmission, heat dissipating capacity is little.
Wherein, the outer surface of screw rod 2 is coated with corrosion-inhibiting coating, corrosion-inhibiting coating can be antirust, again can corrosion protection, improves the antiseptic power of screw rod 2 vacuum pump.
The utility model belongs to new-type dry type oil free screw pump, solves the pollution problem of end thrust problem and oil and water, and response country calls energy-saving and emission-reduction, low-carbon environment-friendly; Screw rod 2 uses corrosion-inhibiting coating, improves the antiseptic power of screw rod 2 vacuum pump; Decrease the impact to exhaust end after gas compression, solve the high temperature of pump and the oil that causes leaks and gap smaller and the phenomenon such as stuck that causes.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (7)
1. novel two enter middle row's screw vacuum pump, comprise the pump housing (1) and be installed on the screw rod (2) in the pump housing (1), one end of the pump housing (1) is by front cover (3) sealing, the other end is by rear end cover (4) sealing, one end of screw rod (2) is connected by bearing (5) with front cover (3), the other end of screw rod (2) extends to the outside of rear end cover (4) and is connected with the output shaft of motor (17), it is characterized in that, the top, middle part of the described pump housing (1) is provided with suction port (7), the bottom, middle part of the pump housing (1) is provided with sewage draining exit (8), described screw rod (2) therefrom part is left half (9) and right half (10), screw thread on left half (9) and right half (10) is reverse, the top layout of the described pump housing (1) has dividing plate (11), ventilation flue (12) is formed between dividing plate (11) and the pump housing (1), what form left half (9) between the left port of ventilation flue (12) and the pump housing (1) supplies air port (13), what form right half (10) between the right output port of ventilation flue (12) and the pump housing (1) supplies air port (13).
2. according to claim 1 novel two enter middle row's screw vacuum pump, it is characterized in that, the both sides of the described pump housing (1) are equipped with air outlet.
3. according to claim 2 novel two enter middle row's screw vacuum pump, it is characterized in that, are connected between described screw rod (2) and the output shaft of motor (17) by coupling (6).
4. according to claim 3 novel two enter middle row's screw vacuum pump, it is characterized in that, described coupling (6) is covered with case (14).
5. according to claim 4 novel two enter middle row's screw vacuum pump, it is characterized in that, the right side of the described pump housing (1) is also connected with gear-box (15), is furnished with gear (16) in gear-box (15), and gear (16) is fixed on screw rod (2) by key.
6. according to claim 5 novel two enter middle row's screw vacuum pump, it is characterized in that, are connected between described screw rod (2) with rear end cover (4) by bearing (5).
7. according to claim 6 novel two enter middle row's screw vacuum pump, it is characterized in that, the outer surface of described screw rod (2) is coated with corrosion-inhibiting coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520603950.3U CN204827922U (en) | 2015-08-12 | 2015-08-12 | Novel two advance well screw vacuum pump of arranging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520603950.3U CN204827922U (en) | 2015-08-12 | 2015-08-12 | Novel two advance well screw vacuum pump of arranging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204827922U true CN204827922U (en) | 2015-12-02 |
Family
ID=54685530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520603950.3U Expired - Fee Related CN204827922U (en) | 2015-08-12 | 2015-08-12 | Novel two advance well screw vacuum pump of arranging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204827922U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505769A (en) * | 2018-12-05 | 2019-03-22 | 江阴爱尔姆真空设备有限公司 | A kind of double threaded screw vacuum pump |
| CN111677663A (en) * | 2020-06-23 | 2020-09-18 | 朱克龙 | High-pressure efficient vacuum energy-saving pump |
| WO2021139421A1 (en) * | 2020-01-06 | 2021-07-15 | 珠海格力电器股份有限公司 | Screw compressor and air conditioner |
-
2015
- 2015-08-12 CN CN201520603950.3U patent/CN204827922U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505769A (en) * | 2018-12-05 | 2019-03-22 | 江阴爱尔姆真空设备有限公司 | A kind of double threaded screw vacuum pump |
| WO2021139421A1 (en) * | 2020-01-06 | 2021-07-15 | 珠海格力电器股份有限公司 | Screw compressor and air conditioner |
| CN111677663A (en) * | 2020-06-23 | 2020-09-18 | 朱克龙 | High-pressure efficient vacuum energy-saving pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204827922U (en) | Novel two advance well screw vacuum pump of arranging | |
| CN205779709U (en) | A kind of screw vacuum and Roots vacuum combine the vacuum pump set device of transformation | |
| CN200949516Y (en) | Pneumatic diaphragm pump for coal mine | |
| CN207131645U (en) | A kind of cooling device of ejector vacuum pump | |
| CN208192103U (en) | A kind of tobacco humidifying machine pumped vacuum systems | |
| CN206853400U (en) | A kind of indoor fit-up harmful gas purifier | |
| CN105422449A (en) | Cantilever type oil-free double-toothed rotor compressor | |
| CN210565078U (en) | Improved Roots type steam compressor | |
| CN108035913A (en) | A kind of micro-tube pump with noise reduction refrigerating function | |
| CN208040700U (en) | A kind of two-stage screw compressor | |
| CN208311048U (en) | A kind of roots blower | |
| CN209083549U (en) | A kind of novel hydraulic gear pump assembly | |
| CN207960942U (en) | A kind of roots blower | |
| CN202371421U (en) | Novel oil tank | |
| CN202170870U (en) | Novel slide valve type vacuum pump | |
| CN206723047U (en) | A kind of novel magnetic seal fan | |
| CN204827921U (en) | Novel cantilever type screw vacuum pump | |
| CN203067293U (en) | Water-lubricating single-screw oil-free air compressor | |
| CN205895593U (en) | Helical -lobe compressor of two -stage compression | |
| CN209510633U (en) | Single screw rod two-stage air compressor | |
| CN201610833U (en) | Lubricant filtering device for large-scale air compressors | |
| CN211778181U (en) | Water sealing device for vapor compressor | |
| CN201636006U (en) | Double-section roots vacuum pump | |
| CN2163254Y (en) | Energy saving radial dual-action liquid circulation pump | |
| CN203183829U (en) | Oil gas recovery treatment device |
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: 20151202 Termination date: 20210812 |