CN208073774U - A kind of built-in driven impeller - Google Patents

Abstract

The utility model is related to a kind of built-in driven impellers, including preposition impeller, helical runner, absorb water chamber, impeller body, preposition impeller includes multiple arcuation blades, it is installed with front shroud on front side of arcuation blade, rear side is installed with back shroud and the center of back shroud offers apopore, water suction chamber be disposed with endoporus hollow cylindrical and helical runner be arranged in endoporus center and be linked together with inner hole wall, helical runner is also connected with the hole wall of the first apopore, the center for the end cap and end cap that impeller body includes cylinder and cylinder one end opens up offers inlet opening, built-in driven impeller provided by the utility model is by water source by pressurizeing layer by layer, push, so that the water transferred out using the water pump of built-in driven impeller, hydraulic pressure is high, impact force is big, solve the problems, such as that high-lift pump cannot be used as low lift simultaneously.

Description

A kind of built-in driven impeller

Technical field

The utility model is related to impeller technical field, more particularly to a kind of built-in driven impeller.

Background technology

The blade wheel structure of market charging pump is relatively simple, is generally made of blade, cover board or wheel shaft, reinforcing rib, common Have unshrouded impeller, half-opened impeller, double shrouded wheel, this water pump using impeller simple in structure, the hydraulic pressure of conveyed water It is low, impact force is small.It, can be due to the hydraulic pressure that water pump conveys be insufficient without normal direction indoor water pond when conveying domestic water toward high-rise buildings Add water or adds water slow, it, also can be because of hydraulic pressure not when washing away the large-scale cell wall for being stained with slurries in factory or being stained with the ground of soil Foot, water impact force it is small and to wash away large-scale cell wall or be stained with soil surface efficiency it is low, but also be difficult to big type groove Wall and ground are washed away totally, and when building house, the concrete wall in house is just molded, and need repeatedly to be soaked with water, wall Higher, at this moment, wetting wall all just needs the water of high hydraulic pressure, the water of high hydraulic pressure can spray it is farsighted, convenient for wetting wall, and And the hydraulic impact of high hydraulic pressure is big, can wash away wall, and the scrappy dregs on wall is made to fall and be convenient for the painting in later stage, and it is general Logical water pump is former so that water pump hydraulic pressure is insufficient, at this moment because of blade wheel structure, it is necessary to it can generate the water pump of high pressure, and water pump Impeller it is the most key.

When for low lift, pump capacity will increase general high-lift pump, and the resistance that water pump vane is subject to increases, from And load suffered by entire impeller is made to increase, cause motor working current to increase and overload phenomenon occur, water pump long term overloading makes With easilying lead to burn-down of electrical machinery, so, high-lift pump cannot be low with being a problem to be solved.

Utility model content

The purpose of the utility model is to provide a kind of built-in driven impeller, the water transferred out, pressure height, impact force Greatly, while solving the problems, such as that high-lift pump low cannot be used.

In order to achieve the above object, the technical solution adopted in the utility model is：A kind of built-in driven impeller, including preposition leaf Wheel, helical runner, water suction chamber, impeller body, the preposition impeller include the multiple arcuation blades for being uniformly a circle, the arc It is installed with front shroud on front side of shape blade, back shroud is installed on rear side of the arcuation blade, and the center of back shroud offers Apopore, the water suction chamber are the hollow cylindrical equipped with endoporus, and the helical runner is arranged in endoporus center, the spiral Impeller is connected with the hole wall of apopore, and the impeller body includes columned cylinder and the end cap that cylinder one end opens up, end The center of lid offers inlet opening, and the water suction chamber is linked together with end cap, and endoporus matches with the diameter of inlet opening.

Further, diameter of the shape of the front shroud, back shroud for round and back shroud diameter more than front shroud, Back shroud is mutually perpendicular to arcuation blade, the central vertical of the back shroud is disposed with diversion pipe, the diversion pipe, apopore Diameter matches, and the one end in arcuation length of blade direction is concordant with the outer edge of back shroud, the arcuation length of blade side To the other end and apopore aperture flush.

Further, the helical runner includes axle sleeve and multi-slice spiral blade, and the multi-slice spiral blade is distributed in axis On the axial curved surface of set and the inner section of axle sleeve in regular hexagon, the helical blade of helical runner one end and the hole wall of apopore with And the inner wall of diversion pipe is connected, the helical blade of the helical runner other end is located in water sucting cavity room in hole.

Further, blade damper is additionally provided on the helical runner, the blade damper is located at the interior of water suction chamber At bore edges, and blade damper is linked together with axle sleeve.

Further, the water suction chamber interior is provided with the water suction runner of multigroup arc shape, and water suction runner connects with endoporus Logical, water suction exterior thereto is evenly equipped with number of guide vanes, and the guide vane includes dihedral vane and horizontal blade, dihedral vane It is connected with curved wall outside water sucting cavity room, horizontal blade is parallel with water suction chamber end face, and dihedral vane is in tilted layout in water suction runner Water inlet.

Further, the built-in driven impeller can it is several, more than ten, tens overlapped in series together.

Compared with prior art, the utility model has the following technical effects：Built-in transmission leaf provided by the utility model Helical runner is built in the endoporus of water suction chamber by wheel, and passes through impeller body, water suction chamber, helical runner, preposition impeller Combination, water source is oriented to drainage, the water suction of water suction chamber, helical runner push pressurization and passing power, preposition by impeller body Impeller water suction imposes the collective effect that centrifugal force is thrown away, by water source by pressurizeing, pushing layer by layer so that uses built-in driven impeller The water that transfers out of water pump, hydraulic pressure is high, impact force is big, can be that high-rise buildings convey domestic water, while washing away and being stained in factory When expiring the large-scale cell wall of slurries or being stained with the ground of soil, the big water of impact force can easily wash away slurries or soil totally, punching Brush efficient, user is time saving and energy saving, for just molding house concrete wall, higher that the water of high hydraulic pressure can spray Farther, sprayable wall area is big, quickly concrete wall can be given to supplement moisture content, while can easily will be on concrete wall Dust, scrappy dregs wash away totally.

Meanwhile the water flowed out from water suction chamber all impacts on helical blade, has driven the rotation of helical runner, is spiral Impeller provides power-assisted, institute's increased resistance when this power-assisted can not only offset high-lift pump for low lift, while this is helped The remaining power of power will be transferred to preposition impeller, i.e., this increased power-assisted of institute is more than the increased resistance of institute, originally entire to reduce Load suffered by built-in driven impeller, and there is booster action to entire built-in driven impeller, motor working current is reduced, water is worked as Pump built-in impeller be built-in driven impeller when, high-lift pump cannot it is low with the problem of will be resolved.

Description of the drawings

Fig. 1 is the structural schematic diagram under half disassembled form of built-in driven impeller described in the utility model；

Fig. 2 is the structural schematic diagram of built-in driven impeller described in the utility model；

Fig. 3 is the front view of built-in driven impeller described in the utility model；

Fig. 4 is built-in A-A sectional view of the driven impeller about Fig. 3 described in the utility model；

Fig. 5 is preposition impeller described in the utility model and helical runner connection diagram；

Fig. 6 is water suction chamber described in the utility model and impeller body connection diagram（Front side）；

Fig. 7 is water suction chamber described in the utility model and impeller body connection diagram（Rear side）；

Fig. 8 is the guide vane structural schematic diagram of built-in driven impeller described in the utility model.

Specific implementation mode

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail, it should be understood that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

As shown in Figs 1-4, including preposition impeller 10, helical runner 20, water suction chamber 30, impeller body 40, it is described preposition Impeller 10 includes the multiple arcuation blades 11 for being uniformly a circle, and the front side of the arcuation blade 11 is installed with front shroud 12, described The rear side of arcuation blade 11 is installed with back shroud 13, and the center of back shroud 13 offers apopore 13a, the water suction chamber 30 For the hollow cylindrical equipped with endoporus 31, the helical runner 20 is arranged in 31 center of endoporus, the helical runner 20 and water outlet The hole wall of hole 13a is connected, and the impeller body 40 includes columned cylinder 41 and the end cap 42 that 41 one end of cylinder opens up, end The center of lid 42 offers inlet opening 42a, and the water suction chamber 30 is linked together with end cap 42, and endoporus 31 and inlet opening 41 Diameter matches.

Preposition impeller 10, helical runner 20, water suction chamber 30, impeller body 40 all on same axis of rotation, when equipped with When the shaft rotation being arranged in the water pump of built-in driven impeller, shaft drives preposition impeller 10 and helical runner 20 to start high speed turn Dynamic, preposition impeller 10 is equipped with arcuation blade 11, and the front side of arcuation blade 11 is installed with front shroud 12, the rear side of arcuation blade 11 It is installed with back shroud 13 so that the atmospheric pressure at preposition impeller 10 is far below standard low pressure, and suction is generated at preposition impeller 10 Power, water suction chamber 30 are the hollow cylindrical equipped with endoporus 31, and helical runner 20 is arranged in 31 center of endoporus of water suction chamber 30, Helical runner 20 rotates, and the atmospheric pressure at the chamber 30 that absorbs water is less than standard atmospheric pressure, is produced at the endoporus 31 of water suction chamber 30 Raw suction, absorb water chamber 30 and impeller body 40 it is fixed, preposition impeller 10 follows helical runner 20 to rotate together, water source from Enter at 40 port of impeller body, water source is absorbed water by the chamber 30 that absorbs water, and into the endoporus 31 of water suction chamber 30, water is narrow Local flow velocity is fast, impact force is big, water spacious local flow velocity is slow, impact force is small, at the chamber 30 that absorbs water water stream channel it is small and It is more so that water flow velocity at water suction chamber 30 is accelerated, and inflow is also very sufficient, and the water of water suction chamber 30 is provided with preliminary speed Degree, water rapidly enter the endoporus 31 of water suction chamber 30 under the dual suction that preposition impeller 10, helical runner 20 generate In, helical runner 20 have the effect of constantly push, pressurization, helical runner 20 by the water at the 42a of inlet opening constantly push to At apopore 13a, water is impacted from apopore 13a on the front shroud 12 of preposition impeller 10, and the rotation of preposition impeller 10 simultaneously makees water Circular motion, water is subject to centrifugal forces to be thrown away outward, the outlet pipe of the 10 built-in driven impeller of outside connection of preposition impeller, The water being thrown out of rushes at outlet pipe, and 12 center arrangement of front shroud on preposition impeller 10 has bearing hole 12a, the hole of bearing hole 12a Section is regular hexagon, and the shaft that bearing hole 12a is used to assemble water pump is held；Water flow into successively impeller body 40, water suction chamber 30, Helical runner 20, inlet opening 42a, apopore 13a, preposition impeller 10, then gush out from the outlet pipe of built-in driven impeller, built-in biography Helical runner 20 is built in the endoporus 31 of water suction chamber 30 by movable vane wheel, and passes through preposition impeller 10, helical runner 20, water suction The combination of chamber 30, impeller body 40, water source by the drainage of impeller body 40, be oriented to, water suction, the pressurization of the chamber 30 that absorbs water, The push of helical runner 20, pressurization, passing power collective effect, by water source by pressurizeing, pushing layer by layer so that built in use The water that the water pump of driven impeller transfers out, hydraulic pressure is high, impact force is big.

Simultaneously as water suction chamber 20 plays water suction, pressurization, the water flowed out from water suction chamber 20 has certain pressure, And all impact on helical runner 20, the rotation of helical runner 20 has been driven, has provided power-assisted for helical runner 20, this power-assisted is not But institute's increased resistance when can offset high-lift pump for low lift, at the same this power-assisted remain remaining power will be transferred to it is preposition Impeller 10 to reduce load suffered by originally entire built-in driven impeller, and has booster action to entire built-in driven impeller, Motor working current is reduced, when the built-in impeller of water pump is built-in driven impeller, high-lift pump cannot low the problem of using It will be resolved.

Further, as shown in Figure 1 and Figure 5, the front shroud 12, back shroud 13 shape be round and back shroud 13 Diameter is more than the diameter of front shroud 12, and back shroud 13 is mutually perpendicular to arcuation blade 11, the central vertical cloth of the back shroud 13 Be equipped with diversion pipe 14, the diversion pipe 14, apopore 13a diameter match, one end of 11 length direction of arcuation blade It is concordant with the outer edge of back shroud 13, the aperture flush of the other end and apopore 13a of 11 length direction of arcuation blade.

The diameter of back shroud 13 is more than one end and the back shroud 13 of the diameter of front shroud 12 and 11 length direction of arcuation blade Outer edge it is concordant, the other end of 11 length direction of arcuation blade and the aperture flush of apopore 13a, water is in helical runner 20 Under the action of from apopore 13a rush at front shroud 12, and the air pressure at preposition impeller 10 originally will be less than standard atmospheric pressure, preposition Impeller 10 has suction to the water entered from apopore 13a, and the diameter of back shroud 13 is more than the diameter of front shroud 12, arcuation leaf Piece 11 moves in a circle, water by centrifugation force effect so that water is inclined by the front for getting rid of cover board 12 forward, i.e., along outlet pipe to The direction of outer flowing, rather than on the water outlet inside pipe wall of built-in driven impeller that is arranged here of vertical impact so that water flow velocity Soon, impact force is big, diversion pipe 14 perpendicular to back shroud 13, diversion pipe 14, apopore 13a diameter match, water is along water conservancy diversion Pipe 14 forward, is flowed into from apopore 13a, and diversion pipe 14 constantly guides water to pouring at preposition impeller 10, meanwhile, diversion pipe 14 There is pressure maintaining effect to water of the push of helical runner 20 with pressure.

Further, as shown in Figure 1 and Figure 5, the helical runner 20 includes axle sleeve 21 and multi-slice spiral blade 22, described Multi-slice spiral blade 22 is distributed on the axial curved surface of axle sleeve 21 and the inner section of axle sleeve 21 is in regular hexagon, helical runner 20 1 The helical blade 22 at end is connected with the inner wall of the hole wall of apopore 13a and diversion pipe 14, the spiral of 20 other end of helical runner Blade 22 is located in the endoporus 31 of water suction chamber 30；Helical blade 22 is distributed on the axial curved surface of axle sleeve 21, is filled in axle sleeve 21 There are the shaft of pump motor, shaft that axle sleeve 21 is driven to rotate, and then helical blade 22 is driven to rotate, helical runner 20 and preposition leaf 10 connection of wheel, helical runner 20 are built in the endoporus 31 of water suction chamber 30, and water suction chamber 30 is connect with impeller body 40, impeller Ontology 40 is connected and fixed with the entire pump housing of setting, and water suction chamber 30 follows impeller body 40 to fix, axle sleeve 21 it is interior Section is in regular hexagon, and axle sleeve 21 is matched with shaft outer surface, to make not will produce opposite turn between axle sleeve 21 and shaft It moves and weakens the power that shaft is transmitted, multi-slice spiral blade 22 is disposed on the axle sleeve 21 of helical runner 20, to make spiral The hydraulic pressure that impeller 20 is more powerful to the thrust of water, generates also higher.

Further, as shown in Fig. 1,4,5, blade damper 23, the blade gear are additionally provided on the helical runner 20 Plate 23 is located at 31 edge of endoporus of water suction chamber 30, and blade damper 23 is linked together with axle sleeve 21；Blade damper 23 is circle The size of shape, 23 diameter of blade damper is adapted with the inner diameter size of endoporus 31, and blade damper 23 prevents water from endoporus 31 Aperture flows into so that water all enters from water suction chamber 30 and strengthens the water flowed out in water suction chamber 30 to helical runner 20 Impact force improves the power that helical runner 20 obtains from water suction chamber 30, to the moving acquisition by helical runner 20 Power is transmitted to preposition impeller 10, reduces the resistance suffered by entire built-in driven impeller, avoids equipped with built-in driven impeller The possibility that high-lift pump is used to be burned out when low lift, while improving the working efficiency of entire built-in driven impeller.

Further, as shown in figs. 1 and 6-8, the water suction chamber 30 is internally provided with the water suction stream of multigroup arc shape Road 32, water suction runner 32 are connected to endoporus 31, and number of guide vanes 33, the guide vane 33 are evenly equipped with outside the chamber 30 that absorbs water Including dihedral vane 331 and horizontal blade 332, dihedral vane 331 with water suction 30 outer curved wall of chamber be connected, horizontal blade 332 and 30 end face of water suction chamber is parallel, and dihedral vane 331 is in tilted layout in the water inlet of water suction runner 32；Helical runner 20 is located at It absorbing water in the endoporus 31 of chamber 30, helical runner 20 rotates, the suction that water is generated by helical runner 20 at endoporus 31, into And the water suction runner 32 of water suction chamber 30 is caused to generate suction, and the runner 32 that absorbs water is arc shape, is flowed into water suction runner 32 Water will move in a circle, and generate preliminary flow velocity and pressure, this can improve the defeated place of water pump of entire built-in driven impeller The outside of water speed, hydraulic pressure, water suction chamber 30 is evenly equipped with number of guide vanes 33, and guide vane 33 is so that water is entering the runner that absorbs water It is guided to move in a circle before 32, raises speed, pressurizes, raised speed, pressurizeed secondary by water suction runner 32, to carry High entirely built-in pressurization, acceleration of the driven impeller to water.

Further, the built-in driven impeller can it is several, more than ten, tens overlapped in series together；In water pump Built-in driven impeller multiple can be cascaded use so that the water transferred out using the water pump of built-in driven impeller, hydraulic pressure is more High, impact force bigger, compared with other water pump vanes, water pump generates equivalent hydraulic pressure and impact force, built-in pass of connecting in water pump The quantity of movable vane wheel is few by the quantity than other water pump vanes of connecting, and the overall volume of the water pump for built-in driven impeller of connecting will more Small, production cost also reduces on year-on-year basis；Meanwhile multiple built-in driven impellers are cascaded use, first built-in driven impeller Outer that power-assisted will be provided for second built-in driven impeller, second built-in driven impeller will provide for the built-in driven impeller of third Power-assisted, until power-assisted is transferred to the last one built-in driven impeller, the increased power-assisted of institute is more than generated resistance so that i.e. The bigger resistance for making tens built-in driven impellers of series connection and bringing can also be offset by the increased power-assisted of institute, avoid motor work Make electric current increase, is burned out when avoiding the problem that high-lift pump for low lift.

Built-in driven impeller described in the utility model is provided with strainer at the water inlet at water source, is used for miscellaneous in drainage Matter, built-in driven impeller are not only to convey clear water, and general interior impure other less fluids can use built-in transmission leaf Wheel transmission.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (6)

1. a kind of built-in driven impeller, it is characterised in that：Including preposition impeller（10）, helical runner（20）, water suction chamber（30）, Impeller body（40）, the preposition impeller（10）Including being uniformly multiple arcuation blades of a circle（11）, the arcuation blade （11）Front side be installed with front shroud（12）, the arcuation blade（11）Rear side be installed with back shroud（13）, and back shroud （13）Center offer apopore（13a）, the water suction chamber（30）To be equipped with endoporus（31）Hollow cylindrical, the spiral shell Propeller runner（20）It is arranged in endoporus（31）Center, the helical runner（20）With apopore（13a）Hole wall be connected, the impeller Ontology（40）Including columned cylinder（41）And cylinder（41）The end cap that one end opens up（42）, end cap（42）Center open up There is inlet opening（42a）, the water suction chamber（30）With end cap（42）It is linked together, and endoporus（31）With inlet opening（42a）It is straight Diameter matches.

2. a kind of built-in driven impeller according to claim 1, it is characterised in that：The front shroud（12）, back shroud （13）Shape be round and back shroud（13）Diameter be more than front shroud（12）Diameter, back shroud（13）With arcuation blade （11）It is mutually perpendicular to, the back shroud（13）Central vertical be disposed with diversion pipe（14）, the diversion pipe（14）, apopore （13a）Diameter match, the arcuation blade（11）One end of length direction and back shroud（13）Outer edge it is concordant, it is described Arcuation blade（11）The other end and apopore of length direction（13a）Aperture flush.

3. a kind of built-in driven impeller according to claim 2, it is characterised in that：The helical runner（20）Including axle sleeve （21）With multi-slice spiral blade（22）, the multi-slice spiral blade（22）It is distributed in axle sleeve（21）Axial curved surface on and axle sleeve （21）Inner section be in regular hexagon, helical runner（20）The helical blade of one end（22）With apopore（13a）Hole wall and Diversion pipe（14）Inner wall be connected, helical runner（20）The helical blade of the other end（22）Positioned at water suction chamber（30）Endoporus（31） In.

4. a kind of built-in driven impeller according to claim 1, it is characterised in that：The helical runner（20）On also set up There is blade damper（23）, the blade damper（23）Positioned at water suction chamber（30）Endoporus（31）Edge, and blade damper （23）With axle sleeve（21）It is linked together.

5. a kind of built-in driven impeller according to claim 1, it is characterised in that：The water suction chamber（30）Inside setting There is the water suction runner of multigroup arc shape（32）, absorb water runner（32）With endoporus（31）Connection, absorb water chamber（30）Outside is evenly equipped with Number of guide vanes（33）, the guide vane（33）Including dihedral vane（331）And horizontal blade（332）, dihedral vane （331）With water suction chamber（30）Outer curved wall is connected, horizontal blade（332）With water suction chamber（30）End face is parallel, and dihedral vane （331）It is in tilted layout in water suction runner（32）Water inlet.

6. a kind of built-in driven impeller according to claim 1, it is characterised in that：The built-in driven impeller can it is several, More than ten, tens overlapped in series are together.