CN207813961U - A kind of MODEL VERTICAL MULTISTAGE PUMP - Google Patents
A kind of MODEL VERTICAL MULTISTAGE PUMP Download PDFInfo
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- CN207813961U CN207813961U CN201721751168.1U CN201721751168U CN207813961U CN 207813961 U CN207813961 U CN 207813961U CN 201721751168 U CN201721751168 U CN 201721751168U CN 207813961 U CN207813961 U CN 207813961U
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- stage casing
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- pump housing
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Abstract
The utility model discloses a kind of MODEL VERTICAL MULTISTAGE PUMP, including the pump housing, water inlet-outlet segment, pedestal, seal receptacle, pump shaft, the motor being connect with pump shaft, pump body is provided with multiple adjoining grades, each adjoining grade includes stage casing, the impeller being set on pump shaft, and guide vane, it is provided at the first order of pump housing bottom into water stage casing, water inlet stage casing connects the stage casing of water inlet-outlet segment and the first order, water outlet stage casing is provided at the top of the pump housing at afterbody, water outlet stage casing and the stage casing of afterbody are fixed, seal receptacle is provided with positioning seat, adjusting stake is provided in positioning seat, the end for adjusting stake is resisted against on water outlet stage casing.MODEL VERTICAL MULTISTAGE PUMP described in the utility model adjusts stake by being arranged on seal receptacle, it is applied to an axial thrust into each stage casing and water outlet stage casing in water stage casing, adjoining grade using stake is adjusted, so that the relative position between pump shaft is at different levels in operation process will not change, stability of the vertical multi-stage pump stage countershaft to position is improved.
Description
Technical field
The utility model belongs to pump manufacturing technology field, and in particular to a kind of MODEL VERTICAL MULTISTAGE PUMP.
Background technology
Multistage vertical type pump is different from centrifugal pump of single stage type, a kind of to lean on fluid through repeatedly boosting to obtain the pump of expected airborne dust
Body.Specifically, when the impeller high speed rotation in motor moving axis, it is filled in liquid in impeller under the influence of centrifugal force,
Get rid of the surrounding to impeller along interlobate runner from impeller center makes pressure and speed since liquid is acted on by blade
Increase simultaneously, is led to the impeller of time level-one by leading the runner of shell, is exactly such principle, successively flows through all impellers
With lead shell, further increase the pressure energy of liquid.After each impeller is superimposed step by step, certain lift is just obtained.It is multistage
During pump operation, since pump shaft rotates, each level position of multistage pump can change in the axial direction, how in pump shaft
Ensure that interstage locations are fixed in high-speed rotation, becomes a technical barrier during manufacture pump.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of MODEL VERTICAL MULTISTAGE PUMPs, solve prior art neutrality
Formula multistage pump stage countershaft is to the unstable technical problem in position.
In order to solve the above technical problems, the technical solution adopted in the utility model：A kind of MODEL VERTICAL MULTISTAGE PUMP, including the pump housing,
With the fixed water inlet-outlet segment in pump housing one end, it is set to the fixed seal receptacle of the pump housing other end with the fixed pedestal of water inlet-outlet segment
The pump shaft of pump body is fixed on the motor connecting outside seal receptacle and with pump shaft, it is characterised in that：The pump body is along pump
Multiple adjoining grades are provided on axis axial direction, each adjoining grade includes stage casing, inside stage casing and is set in
Impeller on pump shaft and the guide vane for guiding fluid are provided at the first order of pump housing bottom into water stage casing, and water inlet stage casing will
Water inlet-outlet segment is connect with the stage casing of the first order in the pump housing, is provided with water outlet stage casing at the top of the pump housing at afterbody, water outlet stage casing with
The stage casing of afterbody is fixed in the pump housing, and the inner wall of seal receptacle is provided with positioning seat, and adjusting stake is provided in positioning seat, adjusts stake
End be resisted against on the water outlet stage casing.
Preferably, the stage casing includes column section, bevel phase and planar section, and column section is integrally formed with bevel phase, and
The longitudinal section direction in stage casing, forms an obtuse angle between the bevel phase and column section；It is provided between grade on pump shaft described in per level-one
Axle sleeve, one end of the planar section are fixed on a grade countershaft and put on, and the other end of planar section extends to column section.
Preferably, it includes two that the end set of the column section far from bevel phase, which has clamping part, the clamping part,
A inclined plate and transverse slat, the transverse slat form " S " structure with inclined plate integrally connected, and the clamping part of " S " structure forms one
A bayonet opened up to pump shaft direction, the bayonet are resisted against the junction of column section and bevel phase in upper level.
Preferably, described guide vane one end extends at impeller lower cover, and the other end of guide vane extends to column section, impeller position
Between guide vane and planar section, guide vane and planar section enclose and are configured to a water conservancy diversion cavity with flow-guiding mouth.
Preferably, the guide vane include segmental arc, linkage section and fall " Z " type bending section, segmental arc, linkage section with fall
" Z " type bending section is integrally formed, and one end of the segmental arc connect with connecting pin, and the other end of segmental arc is to planar section curved bend
One end of song, described " Z " type bending section is connect with linkage section, and the other end of " Z " type bending section extends to impeller lower cover
Place, the bottom of " Z " type bending section is fixed in the bevel phase of upper level.
Preferably, the side of the seal receptacle is provided with pull rod fixed seat, and it is logical that first is provided in the pull rod fixed seat
Hole is provided with threaded hole in the pedestal on the axial direction of first through hole, and pull rod passes through first through hole and threaded hole,
And it will be locked between pull rod fixed seat and pedestal by retaining mechanism.
The beneficial effects of the utility model：MODEL VERTICAL MULTISTAGE PUMP described in the utility model is adjusted by being arranged on seal receptacle
Stake is applied to an axial thrust into each stage casing and water outlet stage casing in water stage casing, adjoining grade using stake is adjusted,
So that the relative position between pump shaft is at different levels in operation process will not change, vertical multi-stage pump stage countershaft is improved to position
Stability.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of MODEL VERTICAL MULTISTAGE PUMP；
Fig. 2 is the enlarged drawing in the portions A in Fig. 1.
Reference numeral in figure, the 1- pump housings；2- water inlet-outlet segments；3- pedestals, 3.1- threaded holes；4- seal receptacles, 4.1- positioning seats；
5- pump shafts；6- motors；Grade adjoining 7-, the stage casings 7.1-, 7.1.1- column sections, 7.1.11- inclined plates, 7.1.12- transverse slats,
7.1.13- bayonet, 7.1.2- bevel phases, 7.1.3- planar sections, 7.2- impellers, 7.2.1- impeller lower covers, 7.3- guide vanes,
7.3.1- upper vane section, vane section under 7.3.2-, 7.3.1- segmental arcs, 7.3.2- linkage sections, 7.3.3- fall " Z " type bending section,
7.3.5- flow-guiding mouth, 7.3.4- water conservancy diversion cavitys；8- water inlets stage casing；9- is discharged stage casing；10- adjusts stake, 10.1- cylinders, the ends 10.2-
Face；11- pull rod fixed seats, 11.1- first through hole；12- pull rods；13- gaskets；14- nuts；Axle sleeve between 15- grades.
Specific implementation mode
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of MODEL VERTICAL MULTISTAGE PUMP, as shown in Figure 1, including the pump housing 1, water inlet-outlet segment 2, pedestal 3, seal receptacle 4, pump shaft 5 and
Motor 6, one end and the water inlet-outlet segment 2 of the pump housing 1 are fixed, and water inlet-outlet segment 2 is fixed with pedestal 3, the other end and the seal receptacle 4 of the pump housing 1
Fixed, pump shaft 5 is set to inside the pump housing 1, axis connection between pump shaft 5 and the motor 6 being fixed on outside seal receptacle 4.Inside the pump housing 1
Multiple adjoining grades 7 are provided with along 5 axial direction of pump shaft, each adjoining grade 7 includes stage casing 7.1, is located inside stage casing 7.1
And the impeller 7.2 being set on pump shaft 5 and the guide vane 7.3 for guiding fluid.The quantity of adjoining grade is by specific in the pump housing
Depending on operating mode.Grade close to 1 water inlet of the pump housing is defined as the first order, up claims the second level, third level etc. successively.Close to the pump housing
Grade at 1 top delivery port is defined as afterbody.It is provided at the 1 bottom first order of the pump housing into water stage casing 8, water inlet stage casing 8
One end is fixedly connected with water inlet-outlet segment 2, and the other end in water inlet stage casing 8 is connect with the stage casing 7.1 of the first order in the pump housing 1, and the pump housing 1 pushes up
Water outlet stage casing 9 is provided at portion's afterbody, water outlet stage casing 9 and the stage casing 7.1 of afterbody in the pump housing 1 are fixed, seal receptacle 4
Inner wall is provided with positioning seat 4.1, is provided in positioning seat 4.1 and adjusts stake 10, and it includes cylinder 10.1 and end face to adjust stake 10
10.2, external screw thread is provided with outside cylinder 10.1, and positioning seat 4.1 is internally provided with internal thread, the external screw thread outside cylinder 10.1
With 4.1 screw-internal thread fit of positioning seat to adjust height of the cylinder 10.1 in positioning seat 4.1, adjust the end face 10.2 of stake 10 against
On water outlet stage casing 9.
Using above-mentioned technical proposal, the height of stake middle column body relative positioning seat is adjusted by adjusting, is applied using stake is adjusted
To an axial thrust in each stage casing and water outlet stage casing in water inlet stage casing, adjoining grade so that pump shaft is in operation process
In it is at different levels between relative position will not change, improve stability of the vertical multi-stage pump stage countershaft to position.
Stage casing 7.1 includes column section 7.1.1, bevel phase 7.1.2 and planar section 7.1.3, and column section is integrated with bevel phase
Molding, and the longitudinal section direction in stage casing, an obtuse angle is formed between bevel phase 7.1.2 and column section 7.1.1.Column far from bevel phase
End one end of shape section 7.1.1 is provided with clamping part.Wherein, clamping part includes two inclined plate 7.1.11 and transverse slat
7.1.12, transverse slat forms " S " structure with inclined plate integrally connected, and the clamping part of " S " structure forms one to pump shaft direction
The bayonet 7.1.13 opened up, bayonet 7.1.13 are resisted against the junction of the column section 7.1.1 and bevel phase 7.1.2 of upper level.Tiltedly
Face section 7.1.2 inclinations extend at the impeller lower cover 7.2.1 of water inlet.One end of guide vane 7.3 extends to impeller lower cover
7.2.1 at position, the other end of guide vane 7.3 extends at the column section 7.1.1 into stage casing 7.1, and impeller 7.2 is located at stage casing 7.1
Between middle planar section 7.1.3 and guide vane 7.3, planar section 7.1.3 and guide vane 7.3 enclose and are configured to one with flow-guiding mouth 7.3.5's
Water conservancy diversion cavity 7.3.4.
After being thrown out of in impeller, most of liquid is exited into from flow-guiding mouth in upper vane section liquid.Due in stage casing
It is an obtuse angle between bevel phase and column section, from flow-guiding mouth to the direction of pump shaft, the spacing between bevel phase and upper vane section increases
Greatly, it is converted into static energy into the mechanical energy of the liquid in upper vane section, forms highly pressurised liquid, impeller of the cocurrent to next stage
In；In addition, clamping part is arranged in one end of column section, due to " S " structure in clamping part, clamping part forms one
The bayonet opened up to pump shaft direction, the connection of upper level column section and bevel phase is resisted against by the bayonet in next stage stage casing
Place so that stable connection between each adjoining grade, further increase it is at different levels between stability.
Specifically, in the present embodiment, guide vane 7.3 includes segmental arc 7.3.1, linkage section 7.3.2 and " Z " the type bending section that falls
7.3.3, segmental arc 7.3.1, linkage section 7.3.2 are integrally formed with " Z " type bending section 7.3.3, wherein the one of segmental arc 7.3.1
End is connect with linkage section 7.3.2, the planar section 7.1.3 arc-shaped bends of the other end of segmental arc 7.3.1 into stage casing, " Z " type
One end of bending section 7.3.3 is connect with linkage section 7.3.2, and the other end of " Z " type bending section 7.3.3 extends to the leaf of water inlet
It takes turns at lower cover 7.2.1, the bottom of " Z " type bending section 7.3.3 is fixed on the bevel phase 7.1.2 in upper level.
Lower guide vane keeps the edge at the edge and upper vane section of lower vane section close using segmental arc, smaller to form one
The speed of flow-guiding mouth, fluid increases, and rapidly enters in vane section；And smaller flow-guiding mouth can also reduce from higher-pressure region return
To the fluid flow of low-pressure area, the working efficiency of pump is improved.
In order to further apply axial pre tightening force to each adjoining grade, the side of seal receptacle 4 is fixedly installed pull rod and consolidates
Reservation 11 is provided with first through hole 11.1 in pull rod fixed seat 11, is set in the pedestal 3 on the axial direction of first through hole
Be equipped with threaded hole 3.1, pull rod 12 is provided at both ends with screw thread, pull rod 12 pass perpendicularly through after first through hole 11.1 with the spiral shell in pedestal
The matching of pit 3.1 is fixed, and the other end of pull rod is locked at using nut 14 and gasket 13 in pull rod fixed seat 11, pull rod
It will be locked between fixed seat and pedestal.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (6)
1. a kind of MODEL VERTICAL MULTISTAGE PUMP, including the pump housing, with the fixed water inlet-outlet segment in pump housing one end, and the fixed pedestal of water inlet-outlet segment,
With the fixed seal receptacle of the pump housing other end, it is set to the pump shaft of pump body, is fixed on seal receptacle outside and is connect with pump shaft
Motor, it is characterised in that：The pump body is provided with multiple adjoining grades along pump shaft axial direction, each described adjoining
Grade includes stage casing, inside the stage casing and the impeller being set on pump shaft and the guide vane for guiding fluid, pump housing bottom the
It is provided at level-one into water stage casing, water inlet-outlet segment is connect by water inlet stage casing with the stage casing of the first order in the pump housing, last at the top of the pump housing
It is provided with water outlet stage casing at level-one, is discharged stage casing and the stage casing of afterbody in the pump housing is fixed, the inner wall of seal receptacle, which is provided with, to be determined
Position seat, is provided with adjusting stake in positioning seat, the end for adjusting stake is resisted against on the water outlet stage casing.
2. MODEL VERTICAL MULTISTAGE PUMP according to claim 1, it is characterised in that：The stage casing includes column section, bevel phase and puts down
Face section, column section is integrally formed with bevel phase, and the longitudinal section direction in stage casing, and it is blunt that one is formed between the bevel phase and column section
Angle；Be provided with axle sleeve between grade on per pump shaft described in level-one, one end of the planar section is fixed on a grade countershaft and puts on, planar section it is another
One end extends to column section.
3. MODEL VERTICAL MULTISTAGE PUMP according to claim 2, it is characterised in that：The end set of the column section far from bevel phase
It includes two inclined plates and transverse slat to have clamping part, the clamping part, and the transverse slat forms " S " knot with inclined plate integrally connected
Structure, clamping part one bayonet opened up to pump shaft direction of formation of " S " structure, the bayonet are resisted against column in upper level
The junction of section and bevel phase.
4. MODEL VERTICAL MULTISTAGE PUMP according to claim 2, it is characterised in that：Described guide vane one end extends at impeller lower cover,
The other end of guide vane extends to column section, and between guide vane and planar section, guide vane and planar section enclose and be configured to one impeller
Water conservancy diversion cavity with flow-guiding mouth.
5. MODEL VERTICAL MULTISTAGE PUMP according to claim 4, it is characterised in that：The guide vane includes segmental arc, linkage section and falls
" Z " type bending section, segmental arc, linkage section and " Z " type bending section are integrally formed, and one end and the connecting pin of the segmental arc connect
It connects, the other end of segmental arc is to planar section arc-shaped bend, and one end of described " Z " type bending section is connect with linkage section, " Z " type
The other end of bending section extends at impeller lower cover, and the bottom of " Z " type bending section is fixed in the bevel phase of upper level.
6. MODEL VERTICAL MULTISTAGE PUMP according to claim 1, it is characterised in that：The side of the seal receptacle is provided with pull rod and fixes
, it is provided with first through hole in the pull rod fixed seat, spiral shell is provided in the pedestal on the axial direction of first through hole
Pit, pull rod passes through first through hole and threaded hole, and will be locked between pull rod fixed seat and pedestal by retaining mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751168.1U CN207813961U (en) | 2017-12-15 | 2017-12-15 | A kind of MODEL VERTICAL MULTISTAGE PUMP |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751168.1U CN207813961U (en) | 2017-12-15 | 2017-12-15 | A kind of MODEL VERTICAL MULTISTAGE PUMP |
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| CN207813961U true CN207813961U (en) | 2018-09-04 |
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| CN201721751168.1U Active CN207813961U (en) | 2017-12-15 | 2017-12-15 | A kind of MODEL VERTICAL MULTISTAGE PUMP |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365244A (en) * | 2020-03-16 | 2020-07-03 | 熊涛 | Vertical pipeline multistage pump |
-
2017
- 2017-12-15 CN CN201721751168.1U patent/CN207813961U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365244A (en) * | 2020-03-16 | 2020-07-03 | 熊涛 | Vertical pipeline multistage pump |
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