CN209180005U - A kind of deep well screw pump - Google Patents
A kind of deep well screw pump Download PDFInfo
- Publication number
- CN209180005U CN209180005U CN201822169319.3U CN201822169319U CN209180005U CN 209180005 U CN209180005 U CN 209180005U CN 201822169319 U CN201822169319 U CN 201822169319U CN 209180005 U CN209180005 U CN 209180005U
- Authority
- CN
- China
- Prior art keywords
- bushing
- end cap
- screw rod
- right end
- single thread
- 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.)
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Abstract
The utility model discloses a kind of deep well screw pumps, including bushing, gearbox and motor, twin-feed spiral cavity is offered on bushing inner wall, single thread screw rod is placed in bushing, the cavity formed between single thread screw rod and twin-feed spiral cavity is seal chamber, connecting column is provided at the both ends of the surface center of single thread screw rod, the left side of bushing is provided with left end cap, left end cap is internally provided with inlet, the right end of bushing is provided with right end cap, planetary gear train is provided in right end cap, planetary gear train is connect by connecting column with the right end of single thread screw rod, planetary gear train is connect by axis with gearbox, gearbox is connected to motor, this deep well screw pump, it is compact-sized, using planetary gear train, it revolves while realizing rotor rotation, so that the seal chamber between single thread screw and bushing is able to maintain effective sealing state, it is close Sealing property is good, and high conversion efficiency is additionally provided with strainer, can filter the sundries in liquid, prevent bush inside from blocking, and practicability is high.
Description
Technical field
The utility model relates to screw pump technology field, specially a kind of deep well screw pump.
Background technique
Single-screw (single screw) pump belongs to rotator type positive displacement pump, it is to produce by screw rod and bushing intermeshing in suction chamber and discharge chamber
Raw volume variation is to convey liquid.It is a kind of hermetic screw pump of internal messing, and main working parts are by with double end spiral shell
Single thread screw rod (rotor) composition for revolving the bushing (stator) of cavity and being engaged in bore of stator, when input shaft passes through ten thousand
When making planet gyration around stator center to section driving rotor, just continuously engagement forms seal chamber to stator-rotator pair, these sealings
It is at the uniform velocity axially moved to the chamber constancy of volume, pumped (conveying) medium is delivered to from suction side through stator-rotator pair and extrudes end, suck close
Medium in closed chamber flows through stator without being stirred and destroying.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of deep well screw pump, and structure is tight
It gathers, using planetary gear train, revolves while realizing rotor rotation, the seal chamber between single thread screw and bushing is protected
Effective sealing state, good seal performance are held, high conversion efficiency can effectively solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of deep well screw pump, including bushing, change
Fast case and motor offer twin-feed spiral cavity on the bushing inner wall, single thread screw rod, single thread are placed in bushing
The cavity formed between screw rod and twin-feed spiral cavity is seal chamber, is provided with connection at the both ends of the surface center of single thread screw rod
Column, the left side of the bushing are provided with left end cap, and left end cap is internally provided with inlet, and the right end of bushing is provided with right end
It covers, planetary gear train is provided in right end cap, planetary gear train is connect by connecting column with the right end of single thread screw rod, planetary gear train
It is connect by axis with gearbox, gearbox is connected to motor, and gearbox is located at the outside of right end cap with motor, is arranged on right end cap
There is liquid outlet.
As a kind of optimal technical scheme of the utility model, strainer is provided at the inlet.
As a kind of optimal technical scheme of the utility model, the guiding of the left end cap being internally provided in a ring
Slot, guide pad is fitted in guide groove, and guide pad is connected by connecting column with the left end of single thread screw rod.
As a kind of optimal technical scheme of the utility model, the planetary gear train includes central gear, planetary gear and tooth
Circle, the central gear and gear ring are coaxially disposed, and central gear is connect by axis with gearbox, and gear ring is arranged in right end cap
On wall, planetary gear engages between central gear and gear ring and with central gear and gear ring, and planetary gear is pacified by connecting column
Mounted in the right end of single thread screw rod.
Compared with prior art, the utility model has the beneficial effects that this deep well screw pump, compact-sized, using planet
Train revolves while realizing rotor rotation so that the seal chamber between single thread screw and bushing be able to maintain it is effective close
Envelope state, good seal performance, high conversion efficiency are additionally provided with strainer, can filter the sundries in liquid, prevent bush inside stifled
Plug, practicability are high.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model planetary gear train structural schematic diagram.
In figure: 1 bushing, 2 single thread screw rods, 3 seal chambers, 4 left end caps, 5 right end caps, 6 inlets, 7 liquid outlets, 8 rows
Star wheel series, 9 connecting columns, 10 planetary gears, 11 central gears, 12 gear rings, 13 guide pads, 14 gearboxes, 15 motors, 16 strainers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of deep well screw pump, including bushing 1, speed change
Case 14 and motor 15 offer twin-feed spiral cavity on 1 inner wall of bushing, single thread screw rod 2, single head spiral shell are placed in bushing 1
The cavity formed between rotation screw rod 2 and twin-feed spiral cavity is seal chamber, is provided at the both ends of the surface center of single thread screw rod 2
Connecting column 9, the left side of bushing 1 are provided with left end cap 4, and left end cap 4 is internally provided with inlet 6, is provided at inlet 6
Strainer 16, strainer 16 prevent sundries from entering in bushing 1, avoid blocking, being internally provided with for left end cap 4 is in for filtering sundries
The guide groove of annular, is fitted with guide pad 13 in guide groove, and guide pad 13 passes through connecting column 9 and single thread screw rod 2
Left end is connected, and guide pad 13 cooperates guide groove, so that the left end of single thread screw rod 2 is rotated around annular, with single thread screw rod 2
Right end compliance, the right end of bushing 1 is provided with right end cap 5, planetary gear train 8, planetary gear train 8 is provided in right end cap 5
It is connect by connecting column 9 with the right end of single thread screw rod 2, planetary gear train 8 is connect by axis with gearbox 14, planetary gear train 8
Including central gear 11, planetary gear 10 and gear ring 12, central gear 11 and gear ring 12 are coaxially disposed, central gear 11 by axis with
Gearbox 14 connects, and gear ring 12 is arranged on the inner wall of right end cap 5, planetary gear 10 between central gear 11 and gear ring 12 and
It is engaged with central gear 11 and gear ring 12, planetary gear 10 is mounted on the right end of single thread screw rod 2, speed change by connecting column 9
Case 14 is connect with motor 15, and gearbox 14 is located at the outside of right end cap 5 with motor 15, is provided with liquid outlet 7 on right end cap 5, electricity
Machine 15 by gearbox 14 slow down after, drive central gear 11 rotate, central gear 11 cooperate gear ring 12 so that planetary gear 10 around
Central gear 11 rotate while rotation, and then make single thread screw rod 2 around central gear 11 rotate while rotation, single head spiral shell
It continuously engages to form seal chamber 3 between rotation screw rod 2 and twin-feed spiral cavity, makees at the uniform velocity axis to these 3 constancies of volume of seal chamber
To movement, pumped (conveying) medium is delivered to from liquid outlet 7 from suction side through single thread screw rod 2 and twin-feed spiral cavity, pump is reached
Purpose out.
When in use: after motor 15 is slowed down by gearbox 14, driving central gear 11 to rotate, 11 cooperating teeth of central gear
Circle 12, so that rotation while planetary gear 10 is rotated around central gear 11, and then make single thread screw rod 2 around 11 turns of central gear
Rotation while dynamic, continuously engages to form seal chamber 3, these seal chambers 3 between single thread screw rod 2 and twin-feed spiral cavity
It is at the uniform velocity axially moved to the constancy of volume, pumped (conveying) medium is conveyed from suction side through single thread screw rod 2 and twin-feed spiral cavity
To liquid outlet 7, reach and pump out purpose, guide pad 13 cooperates guide groove, so that the left end of single thread screw rod 2 turns around annular
It is dynamic, the right end compliance with single thread screw rod 2.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of deep well screw pump, including bushing (1), gearbox (14) and motor (15), it is characterised in that: the bushing (1)
Twin-feed spiral cavity is offered on inner wall, is placed with single thread screw rod (2) in bushing (1), single thread screw rod (2) and double end
The cavity formed between spiraled cavity is seal chamber, is provided with connecting column (9) at the both ends of the surface center of single thread screw rod (2),
The left side of the bushing (1) is provided with left end cap (4), and left end cap (4) is internally provided with inlet (6), the right side of bushing (1)
End is provided with right end cap (5), is provided with planetary gear train (8) in right end cap (5), and planetary gear train (8) passes through connecting column (9) and single head
The right end of spiral screw rod (2) connects, and planetary gear train (8) is connect by axis with gearbox (14), gearbox (14) and motor (15)
Connection, gearbox (14) are located at the outside of right end cap (5) with motor (15), are provided with liquid outlet (7) on right end cap (5).
2. a kind of deep well screw pump according to claim 1, it is characterised in that: be provided with strainer at the inlet (6)
(16).
3. a kind of deep well screw pump according to claim 1, it is characterised in that: left end cap (4) are internally provided with
Guide groove in a ring is fitted with guide pad (13) in guide groove, and guide pad (13) passes through connecting column (9) and single thread
The left end of screw rod (2) is connected.
4. a kind of deep well screw pump according to claim 1, it is characterised in that: the planetary gear train (8) includes centre tooth
(11), planetary gear (10) and gear ring (12) are taken turns, the central gear (11) and gear ring (12) are coaxially disposed, and central gear (11) is logical
It crosses axis to connect with gearbox (14), gear ring (12) is arranged on the inner wall of right end cap (5), and planetary gear (10) is located at central gear
(11) it between gear ring (12) and is engaged with central gear (11) and gear ring (12), planetary gear (10) passes through connecting column (9) and pacifies
Right end mounted in single thread screw rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169319.3U CN209180005U (en) | 2018-12-24 | 2018-12-24 | A kind of deep well screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169319.3U CN209180005U (en) | 2018-12-24 | 2018-12-24 | A kind of deep well screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209180005U true CN209180005U (en) | 2019-07-30 |
Family
ID=67377610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822169319.3U Active CN209180005U (en) | 2018-12-24 | 2018-12-24 | A kind of deep well screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209180005U (en) |
-
2018
- 2018-12-24 CN CN201822169319.3U patent/CN209180005U/en active Active
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