CN208330715U - The pump body structure of screw pump - Google Patents
The pump body structure of screw pump Download PDFInfo
- Publication number
- CN208330715U CN208330715U CN201820790242.9U CN201820790242U CN208330715U CN 208330715 U CN208330715 U CN 208330715U CN 201820790242 U CN201820790242 U CN 201820790242U CN 208330715 U CN208330715 U CN 208330715U
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- China
- Prior art keywords
- short tube
- connector
- stator
- screw pump
- shoulders
- 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 relates to a kind of pump body structures of screw pump, major design main points are, including stator, described screw pump one end is connected with motor, and the pump body structure of screw pump further includes short tube, connector is provided between short tube and stator, connector includes that the second shoulders that middle part is arranged in and third shoulders, short tube are threadably mounted in connector, and the end of short tube is against in the second shoulders, stator is threadably mounted in connector, and the end of stator is against third shoulders.The utility model is connected by setting short tube and by connector, reduces the length of stator, is processed more convenient.
Description
Technical field
The utility model relates to a kind of screw rod pump configuration, in particular to a kind of pump body structure of screw pump.
Background technique
Suction pump is the important equipment of deep-well water lift, mostly uses screw pump, and screw pump the rate of output water is stablized, and pressure is high, is made
Used time entire unit pulls the plug work, and underground water is extracted earth's surface, is frequently used for domestic water, mine water, industrial
A variety of occasions such as water.Screw pump is mounted on the output end of motor, is usually placed in well pond vertically when in use, motor is in down
End, screw pump are in upper end.
Screw pump includes stator and single screw rod, and single screw rod, which is located in stator, generates suction, single screw rod to water with stator cooperation
It is fixed with the output shaft of motor, stator is fixed with motor, when motor drives single screw rod rotation, to make single screw rod in stator
Rotation.But during installation, stator is directly bolted on motor, due to there is connecting rod between single screw rod and motor,
So the length of stator is longer, processing is inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of pump body structures of screw pump, are connected by setting short tube and by connector
It connects, reduces the length of stator, process more convenient.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of pump body structure of screw pump, including stator, described screw pump one end are connected with motor, the pump housing knot of screw pump
Structure further includes short tube, and connector is provided between short tube and stator, and connector includes the second shoulders and third platform that middle part is arranged in
Shoulder, short tube are threadably mounted in connector, and the end of short tube is against in the second shoulders, and stator is threadably mounted in connector, fixed
The end of son is against third shoulders.
By using above-mentioned technical proposal, in use, motor draws water with screw pump, the stator of screw pump is by connecing
Head is connect with short tube, reduces stator processing length in processing, and makes stator by connecting short tube with connector during installation
Extension, and when installation, it is provided with the second shoulders and third shoulders in the middle part of connector and connects for controlling stator and short tube
Total length after connecing, thus using connector rapid abutting joint short tube and stator, when processing, reduces the length of stator, its is made to process ratio
It is more convenient.
The utility model is further arranged to: the short tube is provided with pedestal far from one end of connector, is provided on pedestal
First shoulder, joint screw thread are mounted on the base, and fitting end is pressed against First shoulder.
By using above-mentioned technical proposal, pedestal is arranged far from one end of connector in short tube, the First shoulder on pedestal with
The end abutment of short tube, so that the installation length of stator be made to be controlled by the length of pedestal and short tube, when installation, is more convenient, processing
It is simple and convenient.
The utility model is further arranged to: the connector is provided with the second guide part far from one end of stator, and second leads
It is equal to the outer diameter of short tube to the internal diameter in portion.
By using above-mentioned technical proposal, the second guide part is arranged far from one end of stator in connector, and the second guide part is used for
It is oriented to short tube, and is in the center of short tube and connector on same straight line, is easier to install center when stator
It determines, installs more convenient.
The utility model is further arranged to: the pedestal is provided with the first guide part close to one end of short tube, and first leads
It is equal to the outer diameter of short tube to the internal diameter in portion.
By using above-mentioned technical proposal, the first guide part, the first guide part are set close to one end of short tube on pedestal
For being oriented to short tube, by the second guide part on the first guide part and connector on pedestal, make the center line of connector and pedestal
It is kept point-blank with the center line of short tube, it is more convenient when making its processing.
The utility model is further arranged to: first guide part is identical as the internal diameter of the second guide part and the first screw thread
Portion is identical as the second threaded portion, and short tube both ends are identical.
By using above-mentioned technical proposal, by the way that the first guide part and the second guide part are arranged to identical internal diameter, the
Two threaded portions and the first threaded portion are arranged to identical screw thread, so that coupled short tube both ends are identical, so in processing
It is more convenient.
The utility model is further arranged to: water inlet is offered on the pedestal, connector is located at the second shoulders and
Concora crush hole is offered on outer wall between three shoulders.
By using above-mentioned technical proposal, water inlet is set on pedestal, makes it when processing short tube without the concern for water inlet
Mouthful, so that it is more convenient to process short tube, and concora crush hole is provided on connector, makes the pressure of the pressure and connector exterior at concora crush hole
It is equal, to reduce the pressure oscillation at the suction side of stator, and it can be reduced the reduction of water suction end pressure, to improve screw rod
The lift of pump.
The utility model is further arranged to: the short tube is cased with centering bracket, centering bracket packet close to one end of pedestal
Intermediate casing and supporting leg are included, is uniformly arranged on the outer wall of intermediate casing on supporting leg circumferencial direction.
By using above-mentioned technical proposal, centering bracket is provided on short tube, centering bracket can stir short tube branch
The center of Jing Chi, and water inlet is provided on pedestal, water inlet is maintained at the center of Jing Chi, thus make water be easy by into
The mouth of a river enters in short tube.
The utility model is further arranged to: one end on the stator far from short tube is cased with centering bracket.
By using above-mentioned technical proposal, the centering bracket on centering bracket and short tube on stator, two brackets are simultaneously
Effect can guarantee that screw pump is in vertical position, absorb water more preferable with outlet effect.
In conclusion the utility model has the following beneficial effects:
1. the other end of connector connects short tube, to make the processing of stator itself by the way that connector is arranged in the end of stator
Length is reduced, but connects short tube and stator by connector, and the second shoulders in connector and the decision of third shoulders are short
The overall length of pipe and stator, so processing is more convenient；
2. the one end of short tube far from connector is pedestal, the first guide part, the first guide part and connector are provided on pedestal
The second guide part it is identical, thus short tube both ends are shaped to it is identical, in this way short tube processing installation process it is equal
It is more convenient；
3. concora crush hole is offered by portion within a fitting, although entering water water inlet in short tube, in stator
Pressure at suction side keeps it equal with the pressure of connector exterior by concora crush hole, so as to reduce the fluctuation of water suction end pressure
And improve the water absorbing capacity of screw pump.
Detailed description of the invention
Fig. 1 is the perspective view of screw pump；
Fig. 2 is the half sectional view of screw pump；
Fig. 3 is the attachment structure schematic diagram of motor and pedestal；
Fig. 4 is the half sectional view of short tube；
Fig. 5 is the portion the A enlarged drawing of Fig. 2；
Fig. 6 is the half sectional view of connector；
Fig. 7 is the explosive view of check valve and pipe fitting；
Fig. 8 is the perspective view of centering bracket.
In figure, 1, connecting rod；2, single screw rod；3, stator；31, liner；32, housing；4, connector；41, the second shoulders；
42, the second threaded portion；43, the second guide part；44, third shoulders；45, concora crush hole；5, pedestal；51, water inlet；52, tube body；
53, outward flange；54, the first lifting lug；55, connecting pin；551, First shoulder；552, the first threaded portion；553, the first guide part；
56, chamfering；6, short tube；7, check valve；71, the second lifting lug；8, pipe fitting；81, front end；82, rear end；9, centering bracket；91, in
Between casing；92, supporting leg；93, V-shaped groove；10, motor.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing 1, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of screw pump, with reference to Fig. 1 and Fig. 2, including motor 10, connecting rod 1, single screw rod 2 and stator 3, motor 10, connection
The axis collinear of bar 1, single screw rod 2 and stator 3, single screw rod 2 are mounted in stator 3, and connecting rod 1 is located at single screw rod 2 and motor 10
Between, the both ends of connecting rod 1 are separately mounted to the end of motor 10 and single screw rod 2, and stator 3 is fixed with close to one end of motor 10
Connector 4 is fixedly installed pedestal 5 on motor 10, is connected with short tube 6 between pedestal 5 and connector 4, the both ends of short tube 6 respectively with bottom
Seat 5 and connector 4 are fixed, and connecting rod 1 is located at the center of short tube 6, and motor 10 drives connecting rod 1 to rotate, and stator 3 passes through connector 4, short
Pipe 6 and pedestal 5 are fixed on motor 10, so that single screw rod 2 rotates in stator 3.Water inlet 51, spiral shell are offered on pedestal 5
When bar pump work, screw pump is placed on vertically in well pond, and motor 10 is in lower end, and screw pump upper end water receiving pipe passes through single screw rod 2
It is rotated in stator 3, water is sucked screw pump out of water inlet 51, be discharged after then hydraulic pressure increases from the upper end of screw pump.
With reference to Fig. 3, pedestal 5 includes tube body 52, with the axis collinear of line and the output shaft of motor 10, water inlet in tube body 52
51 are provided on the side wall of tube body 52, and there are two water inlets 51 and is symmetrical arranged, and pedestal 5 is provided with close to one end of motor 10
Outward flange 53 is bolted outward flange 53 on motor 10, and water inlet 51 is provided with tube body 52 close to one end of motor 10,
The first lifting lug 54, the first lifting lug 54, tube body 52 and outward flange 53 1 are fixed on the side wall of the one end of tube body 52 far from motor 10
Body is arranged to be formed；The one end of tube body 52 far from motor 10 is connecting pin 55, and connecting pin 55 includes First shoulder 551, the first spiral shell
Line portion 552 and the first guide part 553, the first threaded portion 552 are internal screw thread, and the internal diameter of the first guide part 553 is greater than the first screw thread
The internal diameter in portion 552, the first guide part 553 are located at end of the tube body 52 far from outward flange 53, and the interior lateral edge in connecting pin 55
Chamfering 56 is offered on circumferencial direction.
With reference to Fig. 3 and Fig. 4, short tube 6 offers external screw thread close to one end of pedestal 5, and externally threaded length is less than connecting pin
55 length, and external screw thread is threadedly engaged with the first threaded portion 552, short tube 6 is against First shoulder close to one end of pedestal 5
551, the outer wall of short tube 6 is equal to the internal diameter of the first guide part 553, makes the center line of short tube 6 and the centerline collineation of seat seat, short tube
6 both ends are identical, make short tube 6 during installation, and both ends are mountable on pedestal 5, and when installation is more convenient.
With reference to Fig. 5 and Fig. 6, connector 4 is mounted on the one end of short tube 6 far from pedestal 5, and connector 4 includes the second shoulders 41, the
Two threaded portions 42 and the second guide part 43, the internal diameter of the second guide part 43 is identical as the internal diameter of the first guide part 553, the second screw thread
The screw thread in portion 42 is identical as the screw thread of the first threaded portion 552, and the second shoulders 41 is located at the middle part of connector 4, during installation, due to
Stator 3 and the requirement of the axial position of single screw rod 2 are relatively high, are against First shoulder 551 and second respectively by 6 both ends of short tube
Shoulder 41, so that stator 3 and 10 relative mounting location of motor are controlled, and single screw rod 2 passes through the length control of connecting rod 1 and motor
10 relative mounting location, so that stator 3 and 2 relative position of single screw rod are controlled, so installation and the manufacturing are fairly simple.
With reference to Fig. 5 and Fig. 6, connector 4 is double helix hollow structure, stator inside stator 3 for connecting short tube 6 and stator 3
3 include liner 31 and housing 32, and liner 31 is made of elastic material, and housing 32 is tube-like piece made of stainless steel material, liner
31 are mounted in housing 32, and liner 31 is the inside double helix hollow structure of rubber pressure injection forming.Housing 32 close to connector 4 one
End is threadedly coupled with connector 4, and connector 4 is provided with third shoulders 44 in the opposite position of the second shoulders 41, and housing 32 is inserted in
One end in connector 4 is against third shoulders 44, and third shoulders 44 is used for the axially mounted position of positioning wrap 32.Stator 3
It is fixed on motor 10 by connector 4, short tube 6 and pedestal 5, and the screw thread on the thread rotary orientation of 32 end of housing and short tube 6
Rotation direction is identical, and the tangential force for being subject to stator 3 is directed toward the threaded joints tightened between pedestal 5, short tube 6, connector 4 and housing 32
Position direction.Concora crush hole 45 is offered on 4 outer wall of connector between second shoulders 41 and third shoulders 44, concora crush hole 45 is connected to
The external cavity with inside connector 4, when water is drawn into short tube 6 out of water inlet 51, in stator 3 close to one end of connector 4
Water is drawn into stator 3, and one side single screw rod 2 rotates, and the pressure in the position of connector 4 can generate fluctuation, another aspect pressure
It can reduce.It is connected to by concora crush hole 45 with 4 external water of connector, reduces pressure oscillation, additionally it is possible to make single screw rod 2 close to connector 4
The pressure at place is higher, to improve water outlet efficiency.
With reference to Fig. 7, stator 3 is provided with check valve 7 far from one end of connector 4, and check valve 7 is installed far from one end of stator 3
There is pipe fitting 8, check valve 7 is connected from stator 3 to the direction of pipe fitting 8, is reversely not turned on, single when screw pump needs to drain
It is opened to valve 7, when screw pump does not need work, check valve 7 is used to bear the pressure in water pipe, and hydraulic pressure is avoided to act on stator
3 and single screw rod 2 on, making stator 3 with single screw rod 2, the service life is longer.The outside of check valve 7 has been wholely set the second lifting lug
71, the second lifting lug 71 and the first lifting lug 54 are coplanar.
With reference to Fig. 7, pipe fitting 8 includes front end 81 and rear end 82, and front end 81 and the end thread of check valve 7 cooperate, and
Front end 81 is external screw thread, and screw thread is pipe screw thread, and rear end 82 is for connecting water pipe, and rear end 82 is internal screw thread and screw thread is pipe screw thread.
Pipe fitting 8 is divided into multiple kinds of models according to the diameter difference of 82 internal screw thread of rear end, thus when accessing the water pipe of different diameters,
As long as installing pipe fitting 8 corresponding with water pipe, the water pipe of screw pump access different-diameter is realized.
With reference to Fig. 8, for screw pump when being mounted in well pond, screw pump water suction is convenient, is cased on short tube 6 to middle bracket 9,
Centering bracket 9 includes intermediate casing 91 and supporting leg 92, and intermediate casing 91 is wholely set with supporting leg 92, and centering bracket 9 uses
Nitrile rubber, ageing-resistant performance is high and has flexible deformation, and intermediate casing 91 is enable to embrace on the outer wall of short tube 6.Supporting leg
It there are three 92 and is circumferentially disposed on the outer wall of intermediate casing 91, the center of casing 91, and branch towards the middle of supporting leg 92
The radius that is equidistant and be greater than motor 10 of 92 outermost of leg apart from 91 center of intermediate casing, is supported on well by supporting leg 92
The inner wall in pond causes to absorb water unsmooth to prevent water inlet 51 close to the inner wall of Jing Chi.In order to keep screw pump vertically-mounted
In well pond, also it is equipped on housing 32 to middle bracket 9,92 outermost of supporting leg of two centering brackets 9 is apart from intermediate casing
91 centers are equidistant, and when installing, and two centering brackets 9 are installed in one end far from connector 4, make two centering branch
The distance of frame 9 is farthest, preferably keeps screw pump vertical state.Due to be related to first digging a well during the installation process pond the case where,
When selecting screw pump, the outermost diameter of supporting leg 92 if it is greater than Jing Chi internal diameter, to can not be mounted in well pond, thus
Multiple parallel V-shaped grooves 93 are offered on supporting leg 92, supporting leg 92 is parallel to the axis of intermediate casing 91, and V-shaped groove for plate
93 are symmetrically provided with the two sides of supporting leg 92, and V-shaped groove 93 opens up the axis for being oriented parallel to intermediate casing 91, by from V-shaped groove 93
Position can quickly fracture supporting leg 92, reduce the outermost diameter of supporting leg 92.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of pump body structure of screw pump, including stator (3), described screw pump one end are connected with motor (10), feature exists
In: the pump body structure of screw pump further includes short tube (6), is provided between short tube (6) and stator (3) connector (4), connector (4) packet
The second shoulders (41) and third shoulders (44) that middle part is set are included, short tube (6) is threadably mounted in connector (4), short tube
(6) end is against on the second shoulders (41), and stator (3) is threadably mounted in connector (4), and the end of stator (3) is against the
Three shoulders (44).
2. the pump body structure of screw pump according to claim 1, it is characterised in that: the short tube (6) is far from connector (4)
One end is provided with pedestal (5), is provided on pedestal (5) First shoulder (551), and connector (4) is threadably mounted on pedestal (5),
Connector (4) end is pressed against First shoulder (551).
3. the pump body structure of screw pump according to claim 2, it is characterised in that: the connector (4) is far from stator (3)
One end is provided with the second guide part (43), and the internal diameter of the second guide part (43) is equal to the outer diameter of short tube (6).
4. the pump body structure of screw pump according to claim 3, it is characterised in that: the pedestal (5) is close to short tube (6)
One end is provided with the first guide part (553), and the internal diameter of the first guide part (553) is equal to the outer diameter of short tube (6).
5. the pump body structure of screw pump according to claim 4, it is characterised in that: first guide part (553) and the
The internal diameter of two guide parts (43) is identical and the first threaded portion (552) are identical as the second threaded portion (42), and short tube (6) both ends are identical.
6. the pump body structure of screw pump according to claim 5, it is characterised in that: offer on the pedestal (5) into water
Mouth (51), connector (4) offer concora crush hole (45) on the outer wall between the second shoulders (41) and third shoulders (44).
7. the pump body structure of screw pump according to claim 6, it is characterised in that: the short tube (6) is close to pedestal (5)
One end is cased with centering bracket (9), and centering bracket (9) includes intermediate casing (91) and supporting leg (92), on supporting leg (92) circumferencial direction
It is uniformly arranged on the outer wall of intermediate casing (91).
8. the pump body structure of screw pump according to claim 7, it is characterised in that: far from short tube (6) on the stator (3)
One end be cased with centering bracket (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820790242.9U CN208330715U (en) | 2018-05-24 | 2018-05-24 | The pump body structure of screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820790242.9U CN208330715U (en) | 2018-05-24 | 2018-05-24 | The pump body structure of screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330715U true CN208330715U (en) | 2019-01-04 |
Family
ID=64775103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820790242.9U Expired - Fee Related CN208330715U (en) | 2018-05-24 | 2018-05-24 | The pump body structure of screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208330715U (en) |
-
2018
- 2018-05-24 CN CN201820790242.9U patent/CN208330715U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Bent Lawrence Inventor before: Bernt Lawrence |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20190524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |