CN207750233U - A kind of stainless steel screw pump - Google Patents
A kind of stainless steel screw pump Download PDFInfo
- Publication number
- CN207750233U CN207750233U CN201820058230.7U CN201820058230U CN207750233U CN 207750233 U CN207750233 U CN 207750233U CN 201820058230 U CN201820058230 U CN 201820058230U CN 207750233 U CN207750233 U CN 207750233U
- Authority
- CN
- China
- Prior art keywords
- screw
- pump
- pump housing
- twin
- driving gear
- 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.)
- Active
Links
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model provides a kind of stainless steel screw pump,Including twin-screw,Twin-screw is intermeshed,The shaft end of twin-screw is disposed with piston bush,Oil baffle disc,Piston bush,Axle envelope,Bearing and locking nut,Piston is set in locating piece,Twin-screw and locating piece are arranged in the pump housing,The end set of the pump housing has end cap,End cap is arranged on locating piece,Piston bush,Axle envelope,Bearing is arranged in bearing block,Bearing block is arranged on end cap,Bearing gland is additionally provided on bearing block,The power input shaft end of twin-screw is respectively arranged with driving gear and driven gear,Driving gear and driven gear intermeshing transmission,The rotation axis of driving gear is connected to by shaft coupling on motor,Motor connecting base is provided between motor and the pump housing,Driving gear and driven gear are arranged in motor connecting base,Pump housing boring cover is provided on the observation window of the pump housing.The embodiment of the utility model makes pump service life long, and environmental pollution is small, is convenient for the cleaning of the pump housing itself.
Description
Technical field
The utility model is related to screw vacuum pump technical fields, and in particular to a kind of stainless steel screw pump.
Background technology
The development of current various vacuum pumps is more and more influenced by vacuum application scenario, and general vacuum system can not expire
Foot cleaning oil-free and corrosion resistant requirement, therefore dry vacuum pump market demand is very big in recent years, vacuum acquirement product is
There is the situation to update, a large amount of vacuum system with oil is replaced by the clean vacuum system of oil-free.It is external almost every
The dry vacuum pump screw vacuum pumps that one larger vacuum company all produces various different types belong to non-contact type dry type
Pump is the ideal pump kind of one kind occurred phase early 1990s, wide, the simple and compact for structure, pumping chamber with its pumping speed range
Element without friction, long lifespan, low energy consumption, without oily pollution the advantages that, China still be in the starting stage, market is for dry vacuum pump
There is urgent demand.
Stainless steel screw pump is the technologically advanced dry vacuum pump of my company according to market demand independent research, because of screw rod
Vacuum pump is not necessarily to oil lubrication or water-stop, and complete oil-free in pump chamber, therefore, screw vacuum pump is wanted in semiconductor, electronics industry
Ask oil-free cleaning vacuum occasion and chemical pharmaceutical in recovery process of solvent etc. have incomparable advantage, in addition exist
The frequent and life problems of changing oil of sliding vane rotary pump can also be solved during transformer dry, so screw vacuum pump can replace extensively
For rotary-vane vaccum pump, slide-valve vacuum pump, water-ring vacuum pump, water-jet pump, reciprocating vacuum pump, Roots's water ring is true
Empty unit etc..
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of stainless steel screw pump, overcomes the prior art
Deficiency improves the corrosion resistance of pump core component, reduces influence of the processing medium to the pump housing, reduces locking probability, reduces rotten
Erosion increases exhaust efficiency so as to the good cooling results of the pump housing, the service life of increasing pump.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：
A kind of stainless steel screw pump, including the pump housing, twin-screw, locating piece, piston bush, end cap, oil baffle disc, bearing block, master
Driving wheel, driven wheel, motor connecting base, shaft coupling, motor and pump housing boring cover, the twin-screw intermeshing, the twin-screw
Shaft end is disposed with piston bush, oil baffle disc, piston bush, axle envelope, bearing and locking nut, and the piston is set on locating piece
Interior, the twin-screw and locating piece are arranged in the pump housing, and the end set of the pump housing has end cap, the end cap setting to exist
On locating piece, the piston bush, axle envelope, bearing are arranged in bearing block, on the bearing block setting end cap, the bearing block
On be additionally provided with bearing gland, the power input shaft end of the twin-screw is respectively arranged with driving gear and driven gear, described
Driving gear and driven gear intermeshing transmission, the rotation axis of the driving gear are connected to by shaft coupling on motor, institute
It states and is provided with motor connecting base between motor and the pump housing, the driving gear and driven gear are arranged in motor connecting base,
Pump housing boring cover is provided on the observation window of the pump housing.
Gear disc is provided on the driving gear.
The shaft coupling is blossom type shaft coupling, and the shaft connecting pin of the shaft coupling and driving gear is provided with oil sealing,
And the oil sealing is arranged in oil seal seat.
The watch window of the motor connecting base is disposed with oil mirror and fuel tank gland.
The piston bush is using the Ceramic piston set being sintered.
(3) advantageous effect
The utility model embodiment provides a kind of stainless steel screw pump.Has following advantageous effect：Stainless steel screw pump
A helical pitch be equivalent to primary pump, the screw pump of multiple helical pitches is equivalent to multistage series connection of pumps, relative to claw vacuum pump, multistage
For the dry vacuum pump of the plural serial stages such as Roots vaccum pump, because stainless steel screw pump can form vacuum in rotation process,
And without inner passage between screw rod tooth sockets at different levels, but directly gas is pushed to from suction side by twin-screw intermeshing effect
Exhaust side, therefore extracting condensable gas, when gas with dust and particulate matter, are not easy to plug and easy to clean, and pump chamber
Interior oil-free, it is pollution-free to vacuum system, improve the service life of product quality and pump.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of stainless steel screw pump described in the utility model；
Fig. 2 is the structural schematic diagram of twin-screw described in the utility model.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
Refering to fig. 1 to shown in Fig. 2, the utility model provides a kind of stainless steel screw pump, including the pump housing 1, twin-screw 2, fixed
Position block 3, piston bush 4, end cap 5, oil baffle disc 6, bearing block 7, driving wheel 8, driven wheel 9, motor connecting base 10, shaft coupling 11, electricity
Machine 12 and pump housing boring cover 13, twin-screw 2 are intermeshed, and the shaft end of twin-screw 2 is disposed with piston bush 4, oil baffle disc 6, piston
Set 4, axle envelope, bearing and locking nut 14, piston bush 4 are arranged in locating piece 3, and twin-screw 2 and locating piece 3 are arranged at pump
In body 1, the end set of the pump housing 1 has end cap 5, end cap 5 to be arranged on locating piece 3, and piston bush 4, axle envelope, bearing are arranged at axis
In bearing 7, bearing block 7 is arranged on end cap 5, bearing gland 15 is additionally provided on bearing block 7, bearing gland 15 plays sealing and guarantor
The not contaminated effect of pump body cavity is protected, the power input shaft end of twin-screw 2 is respectively arranged with driving gear 8 and driven tooth
Wheel 9, driving gear 8 and the intermeshing transmission of driven gear 9, the rotation axis of driving gear 8 are connected to motor by shaft coupling 11
On 12, motor connecting base 10 is provided between motor 12 and the pump housing 1, driving gear 8 is arranged at motor with driven gear 9 and connects
In seat 10, pump housing boring cover 13 is provided on the observation window of the pump housing 1.
Preferably, it is provided with gear disc 16 on driving gear 8, can makes oil-free in pump chamber in this way, to vacuum system
It unites pollution-free, improves product quality；Shaft coupling 11 is blossom type shaft coupling, the shaft connecting pin of shaft coupling 11 and driving gear 8
It is provided with oil sealing 17, and oil sealing 17 is arranged in oil seal seat 18, the dynamic balance performance of twin-screw 2 and beneficial can be improved in this way
In the sealing for realizing pump chamber；The watch window of motor connecting base 10 is disposed with oil mirror 19 and fuel tank gland 20；Piston bush 4 is adopted
With the Ceramic piston set of sintering.
The stainless steel screw pump is using the intermeshing that gear drive synchronous backward rotates and discontiguous twin-screw 2 is made
Pump housing inner cavity is separated into multiple spaces using the pump housing 1 and intermeshing twin-screw 2, forms multiple grades, gas by high-speed rotation
(cylindricality uniform pitch) is transmitted movement in equal each slot, and barometric gradient can be formed between the tooth sockets at different levels of twin-screw 2,
To disperse pressure difference and improve compression ratio.Each portion gap and revolution speed have a significant impact to the performance of pump.In each portion of design twin-screw
Gap when, to consider expansion, processing and assembly precision and working environment (such as extracting containing dusty gas) etc..The pump and Roots
Vacuum pump is the same not to set air bleeding valve.If such pump selects simpler screw rod tooth form section appropriate, it is simple to manufacture,
It can guarantee very high machining accuracy, and be easy dynamic balancing.Oil-free in pump chamber, it is pollution-free to vacuum system, product quality is improved, separately
Oil-free in outer pump chamber, moreover it is possible to solve oil emulsification and frequently replace working solution, frequent maintenance and maintenance the problems such as, save use at
This, dry-running not will produce waste oil and oil smoke, environmental, save petroleum resources, in addition can also extract a large amount of water vapours and
The gas of a small amount of dust can also extract the gases such as inflammable, explosive and radioactivity after increasing attachment, and end vacuum can reach 5Pa,
In being suitable for, low vacuum, vacuum suction unit in oil-free can be made into Roots's series connection of pumps, it is high to constitute oil-free with molecule series connection of pumps
Vacuum pump set.After being handled using corrosion-inhibiting coating, especially suitable for transformer, product distillation in pharmacy, chemical process, it is dry,
The use occasions such as degassing.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (5)
1. a kind of stainless steel screw pump, it is characterised in that：Including the pump housing, twin-screw, locating piece, piston bush, end cap, oil baffle disc,
Bearing block, driving wheel, driven wheel, motor connecting base, shaft coupling, motor and pump housing boring cover, the twin-screw intermeshing are described
The shaft end of twin-screw is disposed with piston bush, oil baffle disc, piston bush, axle envelope, bearing and locking nut, the piston bush setting
In locating piece, the twin-screw and locating piece are arranged in the pump housing, and the end set of the pump housing has end cap, the end
Lid is arranged on locating piece, and the piston bush, axle envelope, bearing are arranged in bearing block, on the bearing block setting end cap, institute
It states and is additionally provided with bearing gland on bearing block, the power input shaft end of the twin-screw is respectively arranged with driving gear and driven tooth
Wheel, the driving gear and driven gear intermeshing transmission, the rotation axis of the driving gear are connected to electricity by shaft coupling
On machine, motor connecting base is provided between the motor and the pump housing, the driving gear and driven gear are arranged at motor company
In joint chair, pump housing boring cover is provided on the observation window of the pump housing.
2. stainless steel screw pump as described in claim 1, it is characterised in that：It is provided with gear on the driving gear and gets rid of oil
Disk.
3. stainless steel screw pump as described in claim 1, it is characterised in that：The shaft coupling is blossom type shaft coupling, described
The shaft connecting pin of shaft coupling and driving gear is provided with oil sealing, and the oil sealing is arranged in oil seal seat.
4. stainless steel screw pump as described in claim 1, it is characterised in that：The watch window of the motor connecting base is set successively
It is equipped with oil mirror and fuel tank gland.
5. stainless steel screw pump as described in claim 1, it is characterised in that：The piston bush is using the Ceramic piston being sintered
Set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058230.7U CN207750233U (en) | 2018-01-15 | 2018-01-15 | A kind of stainless steel screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058230.7U CN207750233U (en) | 2018-01-15 | 2018-01-15 | A kind of stainless steel screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750233U true CN207750233U (en) | 2018-08-21 |
Family
ID=63151615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820058230.7U Active CN207750233U (en) | 2018-01-15 | 2018-01-15 | A kind of stainless steel screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701045A (en) * | 2019-11-22 | 2020-01-17 | 海门市晶盛真空设备有限公司 | Double-screw vacuum pump |
| CN111502989A (en) * | 2019-09-29 | 2020-08-07 | 宁波市新炜流体科技有限公司 | Oil-free male and female screw |
-
2018
- 2018-01-15 CN CN201820058230.7U patent/CN207750233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502989A (en) * | 2019-09-29 | 2020-08-07 | 宁波市新炜流体科技有限公司 | Oil-free male and female screw |
| CN110701045A (en) * | 2019-11-22 | 2020-01-17 | 海门市晶盛真空设备有限公司 | Double-screw vacuum pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107420306B (en) | Three axle module dry vacuum pumps | |
| CN201344126Y (en) | Oil-less dry type screw vacuum pump | |
| CN207750233U (en) | A kind of stainless steel screw pump | |
| CN101818735B (en) | High-speed multistage turbine vacuum pump and evacuation method thereof | |
| CN102926995B (en) | Bi-rotor claw-type high current pump | |
| CN2534428Y (en) | Single-row staggered fluid dynamic pressure groove upstream pumping mechanical seal | |
| CN108019243A (en) | A kind of integral bearing A seating turbine | |
| CN201074591Y (en) | Multilevel Roots dry vacuum pump for straight discharging atmosphere | |
| CN214092308U (en) | Two-stage screw compressor | |
| CN102720696A (en) | Preheating water pump | |
| CN103671087B (en) | With revolving the fluid machinery moving piston structure | |
| CN105927542A (en) | Rotor shaft seal structure for double-screw compressor | |
| CN205744447U (en) | A kind of double-screw compressor rotor shaft seal structure | |
| CN104863640B (en) | Rotor expansion machine | |
| CN206280242U (en) | A kind of high-accuracy quantitative fluid supercharging vane type electric transmission assembly apparatus | |
| CN210317752U (en) | Dry-type does not have oily screw rod molded lines and adopts air compressor of this screw rod | |
| CN203614396U (en) | Rotary piston pump with outside-box support | |
| CN103541897B (en) | Case outer support rotary piston pump | |
| CN208184976U (en) | A kind of new screw vacuum pump | |
| CN220581267U (en) | Sealing structure for air suction and exhaust of air compressor | |
| CN1061131C (en) | Method for pumping high-vacuum degree | |
| CN203655632U (en) | Vacuum pump of edge rod | |
| CN211116584U (en) | Roots blower for special gas | |
| CN1089862C (en) | Axial air intake and exhaust double-action liquid ring pump | |
| CN218991877U (en) | Sealing structure of large pumping speed Roots pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230605 Address after: No. 66, Jingyi Road, Economic Development Zone, Quanjiao County, Chuzhou City, Anhui Province 239500 Patentee after: Anhui Gaopeng Mechanical Equipment Co.,Ltd. Address before: 239500 Quanjiao Economic Development Zone, Anhui, Chuzhou Patentee before: ANHUI GAOPENG VACUUM EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |