CN206448947U - A kind of dry screw vacuum pump - Google Patents
A kind of dry screw vacuum pump Download PDFInfo
- Publication number
- CN206448947U CN206448947U CN201720130982.5U CN201720130982U CN206448947U CN 206448947 U CN206448947 U CN 206448947U CN 201720130982 U CN201720130982 U CN 201720130982U CN 206448947 U CN206448947 U CN 206448947U
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- CN
- China
- Prior art keywords
- screw rod
- pump
- cooling chamber
- vavuum pump
- pump housing
- 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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Abstract
The utility model discloses a kind of dry screw vacuum pump, including base, vavuum pump and fire-proof motor, vavuum pump and fire-proof motor are installed in the top of base, vavuum pump includes the pump housing, the first screw rod, the second screw rod, male rotor and female rotor, one side of the pump housing offers water inlet and delivery port, the inside of the pump housing is additionally provided with cooling chamber, cooling chamber connection water inlet and delivery port；This dry screw vacuum pump, coolant circulates in cooling chamber, and spiral cooling chamber is evenly distributed on the outside of vavuum pump; ensure that the radiating of whole vavuum pump is uniform; accelerate radiating rate, radiator structure is simple, and required radiating is with low cost; vavuum pump can effectively be protected; ensure the normal work of vavuum pump, extend the service life of whole equipment, when equipment works; operate steadily, noise is low.
Description
Technical field
The utility model is related to vacuum pump technology field, especially a kind of dry screw vacuum pump.
Background technology
Dry screw vacuum pump is mainly used in the vacuum technology process of high-purity, and vacuum is high, is suitable for severe work
Condition, with solidifying property, the ability of the gas containing particulate matter is extracted, is particularly suitable for clean environment, and the preservative treatment that is easy to do, particularly suitable
In electronics, chemical industry, biological medicine, intermetallic composite coating, the field such as food processing, future has great market prospects；Dry type screw rod
Vavuum pump operationally does high-speed motion due to internal two screw rods, can produce heat, if distribute not in time heat can cause it is whole
Individual equipment, work runs unstable, service life step-down, and existing dry screw vacuum pump does not take also suitable radiating to do
Method, the cooling system structure that portioned product is used is complicated, is not suitable for dry screw vacuum pump.
Utility model content
The purpose of this utility model is to provide a kind of dry screw vacuum pump, with radiator structure is simple and radiating effect
Good advantage, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of dry screw vacuum pump, including bottom
Seat, vavuum pump and fire-proof motor, the vavuum pump and fire-proof motor are installed in the top of base, and the output end of fire-proof motor is led to
Cross decelerator connection vavuum pump；The vavuum pump includes the pump housing, the first screw rod, the second screw rod, male rotor and female rotor, the pump housing
One side offers water inlet and delivery port, and water inlet and delivery port are located at the two ends of pump housing side, the inside of the pump housing respectively
Cooling chamber is additionally provided with, the cooling chamber connection water inlet and delivery port, the inner side of cooling chamber are provided with male rotor and female rotor, and sun turns
Subactivity connects female rotor, and male rotor is fixedly connected with the first screw rod, and the first screw rod is flexibly connected the pump housing, the first screw rod by bearing
One end connection fire-proof motor, the first screw rod also by gear be flexibly connected the second screw rod, the second screw rod pass through bearing activity even
The pump housing is connect, the outer surface of the second screw rod is provided with female rotor.
It is used as further program of the utility model：In the shape of a spiral, the two ends of cooling chamber connect water inlet to the cooling chamber
And delivery port.
It is used as further program of the utility model：The central axis of first screw rod and the central axis of the second screw rod
It is parallel.
It is used as further program of the utility model：The both sides of the pump housing offer air inlet and gas outlet.
Compared with prior art, the utility model beneficial effect：This dry screw vacuum pump, coolant flows in cooling chamber
Logical, spiral cooling chamber is evenly distributed on the outside of vavuum pump, it is ensured that the radiating of whole vavuum pump is uniform, accelerates radiating speed
Degree, radiator structure is simple, and required radiating is with low cost, can effectively protect vavuum pump, it is ensured that the normal work of vavuum pump,
Extend the service life of whole equipment, when equipment works, operate steadily, noise is low.
Brief description of the drawings
Fig. 1 is vavuum pump schematic diagram of the present utility model；
Fig. 2 is integrated connection side view of the present utility model.
In figure：1- bases；2- vavuum pumps；The 21- pump housings；211- water inlets；212- delivery ports；213- cooling chambers；22- first
Screw rod；The screw rods of 23- second；24- male rotors；25- female rotors；3- fire-proof motors.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer in Fig. 1-2, the utility model embodiment, a kind of dry screw vacuum pump, including base 1, the and of vavuum pump 2
Fire-proof motor 3, vavuum pump 2 and fire-proof motor 3 are installed in the top of base 1, vavuum pump 2 and the steady installation of fire-proof motor 3
On base 1, the output end of fire-proof motor 3 connects vavuum pump 2 by decelerator；Vavuum pump 2 includes the pump housing 21, the first screw rod
22nd, the second screw rod 23, male rotor 24 and female rotor 25, a side of the pump housing 21 offer water inlet 211 and delivery port 212,
Cold water for cooling enters in the pump housing 21 at water inlet 211, then the outflow pump housing 21, the He of water inlet 211 at delivery port 212
Delivery port 212 is located at the two ends of the side of the pump housing 21 respectively, and the both sides of the pump housing 21 are further opened with air inlet and gas outlet, vavuum pump 2
During work, gas enters in vavuum pump 2 from the air inlet of the side of the pump housing 21, then leaves vacuum from the gas outlet of the opposite side of the pump housing 21
Pump 2, the inside of the pump housing 21 is additionally provided with cooling chamber 213, and coolant circulates in cooling chamber 213, and cooling chamber 213 in the shape of a spiral, is in
Spiral helicine cooling chamber 213 is evenly distributed on the outside of vavuum pump 2, it is ensured that the radiating of whole vavuum pump 2 is uniform, accelerates radiating speed
Degree, radiator structure is simple, and required radiating is with low cost, can effectively protect vavuum pump 2, it is ensured that the normal work of vavuum pump 2
Make, extend the service life of whole equipment, the two ends connection water inlet 211 and delivery port 212 of cooling chamber 213, cooling chamber 213 connect
The mouth of a river 211 and delivery port 212 are tapped into, the inner side of cooling chamber 213 is provided with male rotor 24 and female rotor 25, male rotor 24 and female rotor
25 in the shape of a spiral, and the rotation direction of male rotor 24 and female rotor 25 is on the contrary, male rotor 24 is flexibly connected female rotor 25, male rotor
24 are fixedly connected with the first screw rod 22, i.e. the first screw rod 22 drives male rotor 24 to rotate, and the first screw rod 22 is flexibly connected by bearing
The pump housing 21, one end connection fire-proof motor 3 of the first screw rod 22, the output end of fire-proof motor 3 drives the first screw rod by decelerator
22 rotate, when the first screw rod 22 is rotated, the also concomitant rotation of male rotor 24, and the first screw rod 22 also passes through gear and is flexibly connected the second spiral shell
There is a fixed gap, first between the centerline axis parallel of bar 23, the central axis of the first screw rod 22 and the second screw rod 23, two screw rods
The screw rod 23 of screw rod 22 and second is through dynamic balance calibration, therefore pump is operationally, operates steadily, and noise is low, and the second screw rod 23 passes through
Bearing is flexibly connected the pump housing 21, and the outer surface of the second screw rod 23 is provided with female rotor 25, i.e. the second screw rod 23 drives female rotor 25
Rotate, when whole equipment works, fire-proof motor 3 drives the first screw rod 22 to rotate, the gear installed on the first screw rod 22 drives the
One screw rod 22 is rotated, now, and the first screw rod 22 and the rotation direction of the first screw rod 22 are on the contrary, 22 points of the first screw rod 22 and the first screw rod
Not Dai Dong male rotor 24 and female rotor 25 rotate, complete on pumping, the pump housing that flowing has cooling in spiral cooling chamber 213
Liquid, gives vavuum pump cooling, good cooling effect.
This dry screw vacuum pump, vavuum pump 2 and fire-proof motor 3 are installed in the top of base 1, fire-proof motor 3 it is defeated
Go out end and vavuum pump 2 is connected by decelerator, the inside of the pump housing 21 is additionally provided with cooling chamber 213, and coolant flows in cooling chamber 213
Logical, in the shape of a spiral, the coolant for cooling enters in cooling chamber 213 cooling chamber 213 at water inlet 211, then from delivery port
Cooling chamber 213 is flowed out at 212, spiral cooling chamber 213 is evenly distributed on the outside of vavuum pump 2, it is ensured that whole vavuum pump 2
Radiating it is uniform, accelerate radiating rate, radiator structure is simple, and required radiating is with low cost, can effectively protect vavuum pump
2, it is ensured that the normal work of vavuum pump 2, extend the service life of whole equipment, when whole equipment works, fire-proof motor 3 drives the
One screw rod 22 is rotated, and the gear installed on the first screw rod 22 drives the first screw rod 22 to rotate, now, the first screw rod 22 and the first spiral shell
The rotation direction of bar 22 completes to take out on the contrary, the first screw rod 22 and the first screw rod 22 drive male rotor 24 and female rotor 25 to rotate respectively
Gas, operates steadily, and noise is low, and flowing has coolant in spiral cooling chamber 213 on the pump housing, gives vavuum pump cooling, cooling
Effect is good.
In summary：This dry screw vacuum pump, coolant circulates in cooling chamber 213, spiral cooling chamber 213
It is evenly distributed on the outside of vavuum pump 2, it is ensured that the radiating of whole vavuum pump 2 is uniform, accelerates radiating rate, radiator structure is simple,
Required radiating is with low cost, can effectively protect vavuum pump 2, it is ensured that the normal work of vavuum pump 2, extension whole equipment
Service life, when equipment works, operates steadily, noise is low.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (4)
1. a kind of dry screw vacuum pump, including base（1）, vavuum pump（2）And fire-proof motor（3）, it is characterised in that：It is described true
Empty pump（2）And fire-proof motor（3）It is installed in base（1）Top, fire-proof motor（3）Output end connect true by decelerator
Empty pump（2）；The vavuum pump（2）Including the pump housing（21）, the first screw rod（22）, the second screw rod（23）, male rotor（24）Turn with the moon
Son（25）, the pump housing（21）A side offer water inlet（211）And delivery port（212）, water inlet（211）And delivery port
（212）It is located at the pump housing respectively（21）The two ends of side, the pump housing（21）Inside be additionally provided with cooling chamber（213）, the cooling chamber
（213）Connect water inlet（211）And delivery port（212）, cooling chamber（213）Inner side be provided with male rotor（24）And female rotor
（25）, male rotor（24）It is flexibly connected female rotor（25）, male rotor（24）It is fixedly connected with the first screw rod（22）, the first screw rod（22）
The pump housing is flexibly connected by bearing（21）, the first screw rod（22）One end connection fire-proof motor（3）, the first screw rod（22）Also pass through
Gear is flexibly connected the second screw rod（23）, the second screw rod（23）The pump housing is flexibly connected by bearing（21）, the second screw rod（23）'s
Outer surface is provided with female rotor（25）.
2. a kind of dry screw vacuum pump according to claim 1, it is characterised in that：The cooling chamber（213）Helically
Shape, cooling chamber（213）Two ends connection water inlet（211）And delivery port（212）.
3. a kind of dry screw vacuum pump according to claim 1, it is characterised in that：First screw rod（22）Center
Axis and the second screw rod（23）Centerline axis parallel.
4. a kind of dry screw vacuum pump according to claim 1, it is characterised in that：The pump housing（21）Both sides open up
There are air inlet and gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130982.5U CN206448947U (en) | 2017-02-14 | 2017-02-14 | A kind of dry screw vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130982.5U CN206448947U (en) | 2017-02-14 | 2017-02-14 | A kind of dry screw vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206448947U true CN206448947U (en) | 2017-08-29 |
Family
ID=59665737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720130982.5U Expired - Fee Related CN206448947U (en) | 2017-02-14 | 2017-02-14 | A kind of dry screw vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206448947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488565A (en) * | 2018-12-12 | 2019-03-19 | 江阴爱尔姆真空设备有限公司 | A kind of exhaust structure of vacuum pump |
-
2017
- 2017-02-14 CN CN201720130982.5U patent/CN206448947U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488565A (en) * | 2018-12-12 | 2019-03-19 | 江阴爱尔姆真空设备有限公司 | A kind of exhaust structure of vacuum pump |
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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: 20170829 Termination date: 20200214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |