CN104806572B - A kind of tunable pump with impeller water inlet direction adjusting apparatus are changed - Google Patents
A kind of tunable pump with impeller water inlet direction adjusting apparatus are changed Download PDFInfo
- Publication number
- CN104806572B CN104806572B CN201410544962.3A CN201410544962A CN104806572B CN 104806572 B CN104806572 B CN 104806572B CN 201410544962 A CN201410544962 A CN 201410544962A CN 104806572 B CN104806572 B CN 104806572B
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- Prior art keywords
- impeller
- pump
- fluid
- direction adjusting
- adjusting apparatus
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/548—Specially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of tunable pump with impeller water inlet direction adjusting apparatus are changed.The tunable pump with impeller water inlet direction adjusting apparatus are changed includes drive shaft and is sheathed on the impeller of the drive shaft, the impeller includes fluid inlet channel, the impeller is respectively provided on two sides with fluid regulation apparatus, the fluid regulation apparatus include master gear, the swingle pinion being meshed with the master gear and the water fender being contained in the fluid inlet channel of the impeller, the water fender and the pinion synchronous rotary of the promotion master gear rotation with the drive shaft as axis rotation.
Description
Technical field
The present invention relates to pump class, more particularly to a kind of tunable pump with impeller water inlet direction adjusting apparatus are changed.
Background technology
Pump is at work in order to adapt to different working conditions, it is often necessary to convert the output flow of pump, influences the defeated of pump
The principal element of outflow have it is following some:One is the rotating speed of impeller;Two is the width of impeller;During three are the entrance channel of impeller
Fluid flow direction, flow velocity and flow.At present on the market change pump output flow be mainly by change the method for wheel speed come
Realize, the method generally need to change motor or plus a frequency converter in the case of could adjust the rotating speed of impeller, operate
Inconvenience, and the scheme being adjusted by changing the method for impeller width does not occur also, as the third adjusting method, leads to
Often the fluid intake in pump installs a regulating valve to control its input flow rate, and it is to change fluid input quantity, can not be changed
Fluid is flowed to and flow velocity, and the flow adjustment range of the method is limited, and the degree of accuracy is not also high.
The content of the invention
Based on above mentioned problem, the present invention provides a kind of flow to by changing fluid and flow velocity changes adjusting the band of output flow
Become the tunable pump of impeller water inlet direction adjusting apparatus.
The tunable pump with impeller water inlet direction adjusting apparatus are changed includes drive shaft and is sheathed on the drive shaft
Impeller, the impeller includes fluid inlet channel, and the impeller is respectively provided on two sides with fluid regulation apparatus, the fluid regulation dress
Put including the master gear with the drive shaft as axis rotation, the swingle and the master gear that promote the master gear to rotate
The pinion being meshed and the water fender being contained in the fluid inlet channel of the impeller, the water fender and the pinion
Synchronous rotary.
In a preferred embodiment of the invention, the fluid regulation apparatus also include screw thread piece, and the screw thread piece is set
In the radial end face of the master gear, the swingle includes rotation screw thread, and the rotation screw thread is meshed with the screw thread piece.
In a preferred embodiment of the invention, the fluid regulation apparatus also include straight-bar, the pinion and described
Water fender is individually fixed in the straight-bar two ends.
In a preferred embodiment of the invention, the pinion and the water fender are equipped with multiple, each secondary tooth
Wheel correspondence one water fender of connection.
In a preferred embodiment of the invention, the fluid regulation apparatus also include interior fixed cover and fixed sleeves, institute
Interior fixed cover fixed cover is stated located at the drive shaft, the fixed sleeves are sheathed on the end of the impeller, the interior fixed cover
Multiple mounting holes are provided with, the fixed sleeves are provided with multiple fixing holes, and the interior fixed cover is inserted in described straight-bar one end
Mounting hole, the other end inserts the fixing hole of the fixed sleeves, and the master gear is sheathed on the fixed sleeves.
In a preferred embodiment of the invention, the tunable pump with impeller water inlet direction adjusting apparatus are changed also includes
Pump case, the drive shaft runs through the pump case, and the pump case includes the pump housing and pump cover, and the pump housing is provided with fluid intake and fluid
Outlet, the pump housing and the pump cover coordinate the cavity for limiting and housing the impeller and the fluid regulation apparatus, the leaf
Wheel rotates in the cavity according to direction initialization, to drive fluid to flow to fluid issuing from fluid intake.
In a preferred embodiment of the invention, the pump cover is provided with storage tank, and the swingle is provided with rotation screw thread
End is contained in the storage tank, and the other end is passed from the storage tank, and the storage tank is covered with top cover, the top cover
The storage tank is coordinated to fix the swingle.
In a preferred embodiment of the invention, the screw thread piece is arcuate thread piece.
In a preferred embodiment of the invention, the swingle includes rotation screw thread, the rotation screw thread and the master
Gear mesh should engage setting.
Compared to prior art, the tunable pump that the band that the present invention is provided changes impeller water inlet direction adjusting apparatus is provided with stream
Body adjusting means, can change the size of the fluid flow direction, flow velocity and fluid inlet channel in fluid inlet channel, so as to reach
To the purpose of regulation output flow, its flow adjustment range is wider, and governing speed is fast, as a result precisely, and does not influence the efficiency of pump.
And its simple structure, it is easy for operation, can at any time adjust output flow in its running.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing, wherein:
Fig. 1 is that the stereochemical structure of tunable pump one preferred embodiment of the present invention with impeller water inlet direction adjusting apparatus are changed is shown
It is intended to;
Fig. 2 is the local structural graph of the tunable pump with impeller water inlet direction adjusting apparatus are changed shown in Fig. 1;
Fig. 3 is the decomposing schematic representation of the tunable pump with impeller water inlet direction adjusting apparatus are changed shown in Fig. 1;
Fig. 4 is the structural representation of the tunable pump impeller with impeller water inlet direction adjusting apparatus are changed shown in Fig. 1;
Fig. 5 is the stereo decomposing of the tunable pump fluid regulation apparatus with impeller water inlet direction adjusting apparatus are changed shown in Fig. 1
Schematic diagram;
Fig. 6 is the local structural graph of the tunable pump with impeller water inlet direction adjusting apparatus are changed shown in Fig. 1;
Fig. 7 is the local structural graph of the tunable pump with impeller water inlet direction adjusting apparatus are changed shown in Fig. 1;
Fig. 8 is the partial sectional view of the tunable pump with impeller water inlet direction adjusting apparatus are changed shown in Fig. 1.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Also referring to Fig. 1 to Fig. 3, the embodiment of the invention discloses a kind of with changing impeller water inlet direction adjusting apparatus
Tunable pump.In the present embodiment, the tunable pump 100 with impeller water inlet direction adjusting apparatus are changed (is not marked including pump case
Number), drive shaft 2, impeller 3, two fluid regulation apparatus 4, bearing holder (housing, cover) component 5, end cap 6 and motor (not shown).
The pump case includes the pump housing 11 and pump cover 12.The pump housing 11 is provided with fluid intake 111 and fluid issuing 112.
The pump housing 11 and the pump cover 12 coordinate the cavity (non-label) for limiting and housing the impeller 3 and the fluid regulation apparatus 4.
The impeller 3 is housed in the cavity, and is rotated according to direction initialization, to drive fluid to be flowed to from the fluid intake 111
Fluid issuing 112.The top of the pump cover 12 is symmetrical arranged two storage tanks 121.Each storage tank 121 is covered with a top cover
122。
The drive shaft 2 is the cylinder-shaped shaft of an elongated rod shape, and its one end is connected to described by drive chain or drive belt
On motor, the other end runs through the pump case, and is fixed with the pump housing 11 by the bearing holder (housing, cover) component 5 and end cap 6.Institute
Drive shaft 2 is stated under the driving effect of the motor, the circular motion of direction initialization is done.
The impeller 3 is sheathed on the drive shaft 2 and is housed in the cavity.
Fig. 4 is please referred to again, is the structure of the tunable pump impeller with impeller water inlet direction adjusting apparatus are changed shown in Fig. 1
Schematic diagram.The impeller 3 includes that two wheel discs 31, hub structure 32 and spacing positioned at the center of two wheel disc 31 are distributed in described two
Multiple blades 33 between wheel disc.The hub structure 32 is sternly leakproof fit with the diameter of the drive shaft 2 including being sized to
Hole position.The impeller 3 is set in the drive shaft 2 by the hub structure 32.The hub structure 32 is preferably by positioning
It is bonded and connects, the positioning key drives the impeller 3 to be rotated together with the drive shaft 2.The blade 33 is to the hub structure
The arc shaped blade of 31 bendings, it is located between two wheel disc 31 and fixed thereto.The relatively described blade 33 of the wheel disc 31
Surface be provided with adapter sleeve 311.The adapter sleeve 311 hangs down from the surface of the wheel disc 31 along the axial direction of the drive shaft 2
Straight extension is formed.
Two fluid regulation apparatus 4 are respectively symmetrically and are arranged at the both sides of the impeller 3.
Please in conjunction with refering to Fig. 5-Fig. 8, wherein Fig. 5 is with the adjustable of change impeller water inlet direction adjusting apparatus shown in Fig. 1
The perspective exploded view of pump fluid regulation apparatus, Fig. 6 and Fig. 7 are respectively that band shown in Fig. 1 changes impeller water inlet direction regulation dress
The local structural graph of the tunable pump put, Fig. 8 is the partial cutaway of the tunable pump with impeller water inlet direction adjusting apparatus are changed shown in Fig. 1
View.The fluid regulation apparatus 4 include master gear 41, screw thread piece 42, swingle 43, pinion 44, water fender 45, straight-bar
46th, interior fixed cover 47, fixed sleeves (non-label) and pointer 49.
The master gear 41 is in an annular, and it can be with the drive shaft 2 for axle center is rotated.The master gear 41
The gear teeth be arranged on its axial end.
The screw thread piece 42 is arcuate thread piece, its radial end face for being arranged on the master gear 41.
The swingle 43 includes rotation screw thread 431 and rotating disk 432.The rotation screw thread 431 and the rotating disk 432 are distinguished
It is arranged on the two ends of the swingle 43.The end of the tool rotation screw thread 431 of the swingle 43 is contained in the appearance of the pump cover 12
Put in groove 121.The top cover 122 coordinates the storage tank 121 that the swingle 43, and the rotation are fixed from radial direction and radially
Bull stick 43 can rotate.The rotation screw thread 431 is meshed with the screw thread piece 42.The rotating disk 432 is used in regulation fluid
Rotated by the rotating disk 432 during water inlet direction to drive the synchronous rotary of the swingle 43, and then promote the master gear 41
Rotate.The rotating disk 432 is provided with the scale (non-label) of display flow.The pointer 49 is fixed on the top cover 122, and
Point to the scale of the rotating disk 432.In use, scale of the user according to pointed by the pointer 49 will be clearly understood that and work as
The output flow of the preceding tunable pump 100 with impeller water inlet direction adjusting apparatus are changed, and the scale of the rotating disk 432 has
Beneficial to degree of regulation is improved, user need to only rotate to making the pointer point to required flow, more directly the rotating disk 432
It is convenient to see.
The pinion 44 and the water fender 45 are individually fixed in the two ends of the straight-bar 46, the water fender 45 with it is described
The synchronous rotary of pinion 44.Wherein, the accessory impeller 44 is meshed with the master gear 41, and the water fender 45 has plate face,
It is contained in the fluid inlet channel of the impeller 3.The pinion 44 and the water fender 45 are equipped with multiple, and each is secondary
Correspondence one water fender 45 of connection of gear 44.
The interior fixed cover 47 is in hollow cylindrical structure, and its radial end face is provided with multiple mounting holes 471.The peace
The dress uniform intervals of hole 471 distribution.
The fixed sleeves include the first body 481 and the second body 482.The body 482 of first body 481 and second
It is connected by screw fixation.The fixed sleeves are provided with groove circle 483 and multiple fixing holes 484 in its radial end face.It is described
Fixing hole 484 is corresponded with the mounting hole 471 and set.Certainly, the fixed sleeves can also be integrated setting, in this reality
Apply in mode, the fixed sleeves are arranged to two parts of separation, primarily to convenient install.
The interior fixed cover 47 and the fixed sleeves coordinate the fixation master gear 41 and the straight-bar 46.Specifically,
The interior fixed cover 47 is sheathed on the drive shaft 2, and is fitted close with the drive shaft 2.The fixed sleeves are sheathed on institute
State the adapter sleeve 311 of impeller 3.The master gear 41 is sheathed in the groove circle 483 of the fixed sleeves.The one end of the straight-bar 46
Insert in the mounting hole 471 of the interior fixed cover 47, the other end is inserted in the fixing hole 484 of the fixed sleeves and exposes head
To install the fixation pinion 44.Hollow region between the interior fixed cover 47 and the fixed sleeves is the impeller
3 fluid inlet channel, the water fender 45 is contained in the fluid inlet channel of the impeller 3.
The operation principle of the fluid regulation apparatus 4 of tunable pump 100 of the present invention with impeller water inlet direction adjusting apparatus are changed
For:Rotating clockwise or counterclockwise the rotating disk 432 rotates the swingle 43, due to the rotation spiral shell of the swingle 43
Line 431 is meshed with the screw thread piece 42 being fixed on the master gear 41, and the swingle 43 is rotated and will promote the main tooth
Wheel 41 is rotated, and the master gear 41 drives the pinion 44 to rotate again, and the pinion 44 is fixed with the straight-bar 46, institute
State water fender 45 and be fixed on the straight-bar 46 so that the plate face of the water fender 45 is turned to, cause fluid to flow to hair
Raw to change, while the size of the fluid inlet channel of the impeller 3 can also change, correspondingly, the band changes impeller water inlet
The input flow rate of the tunable pump 100 of direction adjusting apparatus changes, and impeller water inlet direction regulation is changed so as to reach the regulation band
The purpose of the output flow of tunable pump 100 of device, because the fluid intake that the water fender 45 is contained in the impeller 3 leads to
In road, the direction of its plate face directly affects the size of the flow velocity of fluid, flow direction and fluid inlet channel, in the water fender 45
Under effect, fluid runs into the backward surrounding diffusion of stop of the water fender 45 and can be flowed into along the plate face of the water fender 45 described
Impeller 3, realizes changing fluid flow direction and flow velocity.
Fluid regulation apparatus 4 are provided with because the both sides of the impeller 3 are respectively symmetrically, can simultaneously to the fluid regulation of both sides
Device 4 is operated, this kind of regulative mode can be rapidly achieved regulation it is described band change impeller intake direction adjusting apparatus can
Adjust the purpose of the output flow of pump 100, it is also possible to which only the fluid regulation apparatus 4 to wherein side are operated, this kind of regulative mode
Taken effect compared to former regulative mode relatively slow.
Further, since the plate face direction of the water fender 45 can be adjusted with 360 degree, therefore, the adjustable range of output flow
It is wider, and the fluid regulation apparatus 4 are adjusted using the rotation between screw thread and gear, can reach the mesh of accurate regulation
's.
Compared to prior art, the tunable pump that the band that the present invention is provided changes impeller water inlet direction adjusting apparatus is provided with stream
Body adjusting means, can change the size of the fluid flow direction, flow velocity and fluid inlet channel in fluid inlet channel, so as to reach
To the purpose of regulation output flow, its flow adjustment range is wide, and governing speed is fast, as a result accurately, and does not influence the efficiency of pump.And
And its simple structure, it is easy for operation, can at any time adjust output flow in its running.
Used as the further deformation of above-mentioned implementation method, the screw thread piece 42 of the fluid regulation apparatus 4 can omit setting,
So that the master gear 41 is simultaneously directly corresponding with the rotation screw thread 431 and the pinion 44 of the swingle 43 engage, when
When adjusting the rotation of the swingle 43, the master gear 41 and the synchronous axial system of the pinion 44 are driven, hereby it is achieved that the gear
The rotation of water plate 45, and then adjust fluid flow direction and flow in the fluid inlet channel, realize fluid flow and
The control of flow direction, improves degree of regulation, reduces number of elements.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of tunable pump with impeller water inlet direction adjusting apparatus are changed, including drive shaft and the leaf for being sheathed on the drive shaft
Wheel, the impeller includes fluid inlet channel, it is characterised in that the impeller is respectively provided on two sides with fluid regulation apparatus, described
Fluid regulation apparatus include master gear with the drive shaft as axis rotation, promote swingle that the master gear rotates and
The pinion that the master gear is meshed and the water fender, the connection dash that are contained in the fluid inlet channel of the impeller
The straight-bar of plate and the pinion, interior fixed cover and fixed sleeves, the water fender and the pinion synchronous rotary;In described
Fixed cover fixed cover is located at the drive shaft, and the fixed sleeves are sheathed on the end of the impeller, and the interior fixed cover is set
There are multiple mounting holes, the fixed sleeves are provided with multiple fixing holes, and the installation of the interior fixed cover is inserted in described straight-bar one end
Hole, the other end inserts the fixing hole of the fixed sleeves, and the master gear is sheathed on the fixed sleeves.
2. it is according to claim 1 with change impeller intake direction adjusting apparatus tunable pump, it is characterised in that the stream
Body adjusting means also includes screw thread piece, and the screw thread piece is arranged on the radial end face of the master gear, and the swingle includes rotation
Turn screw thread, the rotation screw thread is meshed with the screw thread piece.
3. it is according to claim 1 with change impeller intake direction adjusting apparatus tunable pump, it is characterised in that the pair
Gear and the water fender are equipped with multiple, each pinion correspondence one water fender of connection.
4. it is according to claim 1 with change impeller intake direction adjusting apparatus tunable pump, it is characterised in that the band
The tunable pump for changing impeller water inlet direction adjusting apparatus also includes pump case, and the drive shaft runs through the pump case, the pump case bag
The pump housing and pump cover are included, the pump housing is provided with fluid intake and fluid issuing, and the pump housing and pump cover cooperation limit collecting
The cavity of the impeller and the fluid regulation apparatus, the impeller rotates in the cavity according to direction initialization, to drive
Fluid flows to fluid issuing from fluid intake.
5. it is according to claim 4 with change impeller intake direction adjusting apparatus tunable pump, it is characterised in that the pump
Storage tank is covered with, the end that the swingle is provided with rotation screw thread is contained in the storage tank, and the other end is housed from described
Passed in groove, the storage tank is covered with top cover, the top cover coordinates the storage tank to fix the swingle.
6. it is according to claim 2 with change impeller intake direction adjusting apparatus tunable pump, it is characterised in that the spiral shell
Line piece is arcuate thread piece.
7. it is according to claim 1 with change impeller intake direction adjusting apparatus tunable pump, it is characterised in that the rotation
Bull stick includes rotation screw thread, and the rotation screw thread engagement corresponding with the master gear is set.
Priority Applications (1)
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CN201410544962.3A CN104806572B (en) | 2014-10-15 | 2014-10-15 | A kind of tunable pump with impeller water inlet direction adjusting apparatus are changed |
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CN201410544962.3A CN104806572B (en) | 2014-10-15 | 2014-10-15 | A kind of tunable pump with impeller water inlet direction adjusting apparatus are changed |
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CN104806572A CN104806572A (en) | 2015-07-29 |
CN104806572B true CN104806572B (en) | 2017-07-07 |
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CN201410544962.3A Active CN104806572B (en) | 2014-10-15 | 2014-10-15 | A kind of tunable pump with impeller water inlet direction adjusting apparatus are changed |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1429032A2 (en) * | 2002-12-11 | 2004-06-16 | Hitachi Industries Co., Ltd. | A centrifugal compressor having inlet guide vanes |
CN101639085A (en) * | 2008-08-01 | 2010-02-03 | 清华大学 | Energy-saving device and energy-saving method by regulating front guide vanes of centrifugal pump |
CN201843830U (en) * | 2010-09-14 | 2011-05-25 | 重庆通用工业(集团)有限责任公司 | Centrifugal blower fan entry and exit guide vane regulating device |
CN103711726A (en) * | 2013-12-04 | 2014-04-09 | 中国农业大学 | Tubular pump with part of guide vane body being adjustable |
-
2014
- 2014-10-15 CN CN201410544962.3A patent/CN104806572B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1429032A2 (en) * | 2002-12-11 | 2004-06-16 | Hitachi Industries Co., Ltd. | A centrifugal compressor having inlet guide vanes |
CN101639085A (en) * | 2008-08-01 | 2010-02-03 | 清华大学 | Energy-saving device and energy-saving method by regulating front guide vanes of centrifugal pump |
CN201843830U (en) * | 2010-09-14 | 2011-05-25 | 重庆通用工业(集团)有限责任公司 | Centrifugal blower fan entry and exit guide vane regulating device |
CN103711726A (en) * | 2013-12-04 | 2014-04-09 | 中国农业大学 | Tubular pump with part of guide vane body being adjustable |
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CN104806572A (en) | 2015-07-29 |
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