CN105041676B - Power economized boiler, energy-saving cistern and its axial flow circulating pump - Google Patents
Power economized boiler, energy-saving cistern and its axial flow circulating pump Download PDFInfo
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- CN105041676B CN105041676B CN201510508203.6A CN201510508203A CN105041676B CN 105041676 B CN105041676 B CN 105041676B CN 201510508203 A CN201510508203 A CN 201510508203A CN 105041676 B CN105041676 B CN 105041676B
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- circulating pump
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- impeller
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Abstract
The invention discloses a kind of power economized boiler, energy-saving cistern and its axial flow circulating pump, which includes：Motor；Upper connect cover, the side wall of the upper connect cover are provided with water inlet；Impeller, the impeller are axial-flow pump impeller, are placed in the upper connect cover, the water inlet is arranged between the motor and the impeller；Connecting shaft, impeller described in axis connection and the motor；Lower connect cover, the lower connect cover have water inlet end and water outlet, and the water inlet end of the lower connect cover is removably connected to the upper connect cover, has guiding device in the lower connect cover.Cost of the present invention is low, is easily installed maintenance, is energy-efficient.
Description
Technical field
The present invention relates to energy-conserving product technical field, the section especially with a kind of axial flow circulating pump and with the axial flow circulating pump
Energy water tank, the power economized boiler with the energy-saving cistern are related.
Background technology
Boiler is a kind of important lifestyle device, especially in more remote area.Boiler such as is heated, is supplied water at the work
When, in order to ensure to be heated at higher position, supply water, it is necessary to water tank be set at a higher position, for example, such as Fig. 1
Shown water tank 7, its with babinet 70, water inlet pipe 71, outlet pipe 72, open top 74 (case lid can be added) and mounting ear 75,
Wherein, in babinet 70, the circulating water body of certain water level can be saved, and open top 74, then it is used to make when safeguarding water tank 7
With.
The circulation of boiler needs power, and traditional circulation uses electric water pump as power resources, but
Common electric water pump has the shortcomings that noise is big, and has vulnerable part inside it, it is necessary to regular maintenance, and influences the facility used
Property, common electric water pump needs professional and professional tool carries out installation, maintenance, makes troubles to user.It is also, existing
Electric water circulating pump, be usually centrifugal pump, it is thus impossible to circulating water body provide axial direction on driving force, centrifugal pump lift
Greatly, flow is small so that the energy consumption of circulation increases.The especially down direction of water tank 7, circulation power not
When sufficient, the working effect of boiler is seriously affected, the normal of user is influenced and supplies water for warm.
Therefore need to provide a kind of more energy-efficient circulating pump.
The content of the invention
For problems of the prior art, it is an object of the invention to provide a kind of cost it is low, be easily installed maintenance,
Energy-efficient axial flow circulating pump.
Another object of the present invention is to provide a kind of energy-saving cistern with axial flow circulating pump of the present invention.
Third object of the present invention is to provide a kind of power economized boiler with energy-saving cistern of the present invention.
To achieve these goals, technical scheme is as follows：
A kind of axial flow circulating pump, it is characterised in that the axial flow circulating pump includes：
Motor；
Upper connect cover, the side wall of the upper connect cover are provided with water inlet；
Impeller, the impeller are axial-flow pump impeller, are placed in the upper connect cover, the water inlet is arranged at the electricity
Between machine and the impeller；
Connecting shaft, impeller described in axis connection and the motor；
Lower connect cover, the lower connect cover have water inlet end and water outlet, and the water inlet end of the lower connect cover is dismountable
The upper connect cover is connected to, there is guiding device in the lower connect cover.
The axial flow circulating pump of the present invention, it is preferred that one end that the upper connect cover connects the lower connect cover has first
External screw thread, the water inlet end of the lower connect cover have the first internal thread with first external thread spiro fastening, the lower connect cover
Water outlet there is the second external screw thread.
The axial flow circulating pump of the present invention, it is preferred that one end that the upper connect cover connects the lower connect cover has first
Connecting portion, the water inlet end of the lower connect cover have the second connecting portion being connected with the first connecting portion, the lower connect cover
Water outlet there is the second external screw thread；
The first connecting portion is the first external screw thread, and the second connecting portion is the first internal thread；Or first connection
Portion is first flange, and the second connecting portion is second flange；Or the first connecting portion is inner clip head, the second connecting portion
For outer clamp.
The axial flow circulating pump of the present invention, it is preferred that the guiding device includes diversion column and the circumference in the diversion column
On the multiple arcs deflector that is uniformly arranged, the diversion column has conoid end and planar ends, the planar ends tool of the diversion column
Fluted, the groove is housing the shaft end of the connecting shaft, or sets axle sleeve or bearing in the groove to support
The shaft end of the connecting shaft.
The axial flow circulating pump of the present invention, it is preferred that the inner face of the upper connect cover is formed with a restriction, the upper connection
The internal diameter at the restriction is covered on less than the internal diameter at the upper connect cover other positions, and the upper connect cover is in the limit
Internal diameter at stream portion is the 50%-90% of the maximum inner diameter of the upper connect cover, and the restriction is located at the water inlet and institute
State between impeller.
The axial flow circulating pump of the present invention, it is preferred that the axial flow circulating pump further includes connecting tube, and the connecting tube has electricity
Machine connecting pin and upper connect cover connecting pin, the upper connect cover connecting pin are connected in the upper connect cover, and the connecting shaft is worn
In the connecting tube, in the connecting tube on the inside of the upper connect cover connecting pin, installing plate is provided with, is pacified on the installing plate
Equipped with the wear-resistant gasket for supporting the connecting shaft.
The axial flow circulating pump of the present invention, it is preferred that the connecting tube and the upper connect cover be integrated into by left half body and
Right half body fastens the connection shroud to be formed, left half body and the connecting tube in right half body and the upper company
Cover is connect to be integrally formed.
The axial flow circulating pump of the present invention, it is preferred that the upper connect cover is integrated motor casing, is wrapped on the integrated motor casing
Containing water inlet and restriction.Rotor and stator are provided with the integrated motor casing, the rotor is arranged in the stator, institute
State rotor to be fixedly connected with the impeller, the impeller is below water inlet and restriction.
The axial flow circulating pump of the present invention, it is preferred that the first elongated slot and the second elongated slot are offered on the side wall of the connecting tube,
First elongated slot is used to operate the connecting shaft and the connection of the motor output shaft, and second elongated slot is used to operate described
Connecting shaft and the connection of the impeller.
Energy-saving cistern of the present invention, has water inlet pipe and outlet pipe, and axial flow circulating pump of the invention is installed on the energy saving water
Case, the second end of the lower connect cover are connected to the outlet pipe.
The power economized boiler of the present invention, has the energy-saving cistern of the present invention.
The beneficial effects of the present invention are：The axial flow circulating pump of the present invention, noise is small, and does not contain vulnerable part, from day
Often safeguard, processing technology is simple, reduces cost.
The axial flow circulating pump of the present invention, is easily assembled to, installs and safeguards, it is not necessary to professional and professional tool, user
Oneself can be operated, and improve ease of use.
The axial flow circulating pump of the present invention, in addition to the recirculated water downlink in for energy-saving cistern provides power, can also be used as whole
The power of the water circulation system of boiler, adequately and reasonably make use of the energy, improve energy conversion efficiency, energy saving and environmentally friendly.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of water tank of the prior art.
Fig. 2 is the schematic front view of the axial flow circulating pump of first embodiment of the invention.
Fig. 3 is the exploded perspective view of the axial flow circulating pump of first embodiment of the invention.
Fig. 4 is the impeller and connecting shaft schematic diagram of the axial flow circulating pump of first embodiment of the invention.
Fig. 5 is exploded perspective view after the connection shroud of the axial flow circulating pump of second embodiment of the invention assembles.
Fig. 6 is the exploded perspective view of the axial flow circulating pump of second embodiment of the invention.
Fig. 7 is the exploded perspective view at another visual angle of the axial flow circulating pump of second embodiment of the invention.
Fig. 8 is the schematic front view of the axial flow circulating pump of third embodiment of the invention.
Fig. 9 is the schematic internal view of the energy-saving cistern of first embodiment of the invention.
Figure 10 is the schematic front view of the axial flow circulating pump of fourth embodiment of the invention.
Figure 11 is the axial sectional view of the axial flow circulating pump of fourth embodiment of the invention.
Figure 12 is the three-dimensional view of the motor integrating shell of the axial flow circulating pump of fourth embodiment of the invention.
Figure 13 is the schematic perspective view of the lower connect cover of the axial flow circulating pump of fourth embodiment of the invention.
Figure 14 is another schematic perspective view of lower connect cover of the axial flow circulating pump of fourth embodiment of the invention.
Figure 15 is the impeller of axial flow circulating pump and the schematic perspective view of rotor of fourth embodiment of the invention.
Figure 16 is the axial flow circulating pump impeller of fourth embodiment of the invention and another schematic perspective view of rotor.
Figure 17 is the axial flow circulating pump impeller of fourth embodiment of the invention and another schematic perspective view of rotor.
Figure 18 is the inside schematic perspective view of the energy-saving cistern of second embodiment of the invention.
Figure 19 is the inside schematic front view of the energy-saving cistern of second embodiment of the invention.
Figure 20 is the stereoscopic schematic diagram of the energy-saving cistern of second embodiment of the invention.
Embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Specific embodiment is closed, the present invention will be described in further detail.It should be pointed out that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
The axial flow circulating pump of the embodiment of the present invention, energy-saving cistern for use in the present invention；The energy saving water of the embodiment of the present invention
Case, has the axial flow circulating pump of the embodiment of the present invention.The boiler of the embodiment of the present invention, has the energy saving water of the embodiment of the present invention
Case.But the axial flow circulating pump of the present invention, it is not limited to for the energy-saving cistern of the present invention, be readily applicable to other needs
The occasion of circulation power is provided from top to bottom.
The axial flow circulating pump of four embodiments of the invention individually below, and the energy-saving cistern of two embodiments of the invention.
First, the axial flow circulating pump of first embodiment
As Figure 2-Figure 5, the axial flow circulating pump of first embodiment of the invention, including motor 1, upper connect cover 2, impeller 3,
Lower connect cover 4, connecting shaft 5 and connecting tube 6.Make introductions all round below.
1st, motor
Motor 1 is the power source of the axial flow circulating pump of the embodiment of the present invention.Motor 1 is arranged on the axis stream circulation of the present embodiment
The top of pump, motor 1 include motor casing 10, wire terminals 11, connecting sleeve 12 and motor output shaft 13.Wherein, motor 1
Internal structure be arranged in motor casing 10, due to being installed in outside energy-saving cistern 7, motor casing 10 can be not required motor 1
Additional waterproof is set.Wire terminals 11 are used to connect mains supply, to provide energy source for motor 1.Will using alternating current
It is more many than being saved using battery.And connecting sleeve 12 is used for the upper end for connecting connecting tube 6, the internal diameter of connecting sleeve 12 is substantially equal to
The outside diameter of 6 upper end of connecting tube, therefore the upper end of connecting tube 6 can be caught in connecting sleeve 12, to realize both connections.Motor
Output shaft 13 is the power output channel of motor 1, and motor output shaft 13 is connected with the upper end of connecting shaft 5.
2nd, upper connect cover
Upper connect cover 2, has top and bottom, and upper connect cover 2 includes upper connection cover body 20, water inlet 21, lower connection
Portion 22, restriction 25 and transition part 26.
Upper connection cover body 20 is a cylindrical shell, and water inlet 21 is arranged on the side wall of connection cover body 20
On, in the up-down direction, water inlet 21 is between motor 1 and impeller 3；Water inlet 21 is opened on upper connection cover body 20
If multiple fillet slots, but be not limited thereto shape.
Lower connecting portion 22 is arranged on the lower end of connect cover 2, and in the present embodiment, lower connecting portion 22 has external screw thread, with
The internal screw-thread screw of the water inlet end of connect cover 4.Also, the connection of upper connect cover 2 and lower connect cover 4, can also pass through interior wild card
The other modes such as head clamping, flange are removably connected.
Restriction 25 is arranged on the inner face of connect cover 2, the inner face of specifically upper connection cover body 20, restriction 25
It is a fin to extend internally, upper connect cover 2 is within the internal diameter of 25 position of restriction is less than at upper 2 other positions of connect cover
Footpath, especially internal diameter of the water inlet below 21 at position, and internal diameter of the upper connect cover 2 at restriction 25 is upper connect cover 2
The 50%-90% of maximum inner diameter, preferably 70%, in the up-down direction, restriction 25 be positioned at water inlet 21 and impeller 3 it
Between.Such as it is positioned close to 21 its lowest position of water inlet.
For transition part 26 positioned at the top of upper connection cover body 20, the cross section that transition part 26 is cut by horizontal plane is all round
Shape, but cross-sectional area is more up smaller, is adapted with the diameter with 6 lower end of connecting tube.The outside diameter of 6 lower end of connecting tube is substantially equal to
The internal diameter of 26 upper end of transition part so that the lower end of connecting tube 6 can be connected in the upper end of transition part 26, realize connecting tube 6 with
Connection between upper connect cover 2.
3rd, impeller
The axial flow circulating pump of the present invention, impeller 3 are the impeller that axial-flow pump uses, and shape is similar to marine propeller.Impeller 3 holds
It is placed in connect cover 2, the lower section of water inlet 21, the position of substantially upper 2 lower end of connect cover.As shown in figure 4, impeller 3 includes
Blade 30 and connecting pole 31.There is through hole, connecting pole 31 is fixedly connected in connecting shaft 5 on 31 axis of connecting pole.
The number of blade 30 can be 3-6, be evenly distributed on the circumference of connecting pole 31.By taking 3 blades 30 as an example,
Each blade 30 is smooth surface, has certain altitude span in the axial direction of connecting shaft 5, and on the circumference of connecting shaft 5,
There is 120 degree of angular span.Therefore, axial flow circulating pump of the invention, impeller 3 can both provide the power in 5 circumferential direction of connecting shaft,
Power in 5 axial direction of connecting shaft can also be provided, improve dynamic efficiency, achieveed the purpose that energy saving.
4th, lower connect cover
Lower connect cover 4 has water inlet end and water outlet, and wherein upper end is water inlet end, and lower end is water outlet.Lower connect cover 4 is wrapped
Include lower connection cover body 40, external thread part 41, guiding device 42 and upper connecting portion 43.
Lower connection cover body 40 is also a cylindrical shell, and upper and lower opening, is respectively used into water and water outlet.External screw thread
Portion 41 is arranged on the lower end of lower connection cover body 40, is connected for 72 top of outlet pipe with energy-saving cistern 7, with such side
Formula, the axial flow circulating pump of the present embodiment is installed in energy-saving cistern 7, and operation is very convenient, it is not necessary to professional and professional work
Tool.As shown in Fig. 2, external thread part 41 has certain taper, i.e. 412 diameter of threaded upper end is big, and 411 diameter of threaded lower end is small.
In the present embodiment, upper connecting portion 43 is arranged on the top of lower connection cover body 40, the internal thread 430 of upper connecting portion 43
The inner face for being vertically connected with cover body 40 is arranged on, the external thread spiro fastening with the lower end of upper connect cover 2.
Guiding device 42 is arranged in lower connection cover body 40, and guiding device 42 includes diversion column 422 and in diversion column 422
Circumference on the multiple arcs deflector 421 that is uniformly arranged, diversion column 422 has conoid end 425 and planar ends 423, wherein, cone
Shape end 425 is in bottom, and planar ends 423 are on top, and the planar ends 423 of diversion column 423 have a groove 424, recessed in the present embodiment
Groove 424 can also set axle sleeve or bearing, with support connection axis 5 to house the lower shaft end of connecting shaft 5 in groove 424
Lower shaft end.
On guiding device 43, can be still introduced in fourth embodiment below with reference to attached drawing, leading in the present embodiment
Device 43 is flowed, can be identical with the guiding device in fourth embodiment.
5th, connecting shaft
In the present embodiment, connecting shaft 5 is structure integral up and down, but the present invention is not limited thereto or multiple
Segmentation axis is linked together by shaft coupling.The upper end of connecting shaft 5 can connect motor output shaft 13, shaft coupling by shaft coupling 52
52 be, for example, cross coupler (or cross universal coupling, oldham coupling) or rubber coupling, and cross coupler connects
Reliably, it can compensate for the relative displacement between two axis during installation and operation between connecting shaft 5 and motor output shaft 13.And rubber shaft coupling
Then cost is low for device.
In the present embodiment, the lower end of connecting shaft 5, can be supported by the wear-resistant gasket 65 of the inside of connecting tube 6.
6th, connecting tube
The upper end of connecting tube 6 is motor connecting pin, and lower end is upper connect cover connecting pin, and upper connect cover connecting pin is connected in
The upper end of connect cover 2, motor connecting pin are then connected to the connecting sleeve 12 of motor 1, and connecting shaft 5 is arranged in connecting tube 6, connection
The inner side of upper connect cover connecting pin, is provided with installing plate 66, is provided with installing plate 66 for 5 lower part of support connection axis in pipe 6
Wear-resistant gasket 65.
Connecting tube 6 can be overall connecting tube 6, to facilitate installation, offering the first elongated slot 61 on the side wall of connecting tube 6
With the second elongated slot 62, the first elongated slot 61 and the second elongated slot 62 belong to fabrication hole, and the first elongated slot 61 is used to operate connecting shaft 5 and motor
The connection of output shaft 13, and the second elongated slot 62 is used to operate connecting shaft 5 and the connection of impeller 3, can use screw to pass through fabrication hole
The instruments such as knife tighten connection bolt.
In addition, it is still to facilitate installation, connecting tube 6 can be made the first noumenon 63 mutually fastened and second
Body 64, since connecting tube 6 is pipe, 63 and second body 64 of the first noumenon is all semicircle, is provided with the first noumenon 63
Raised line 630, and the groove 640 to match with raised line 630 is provided with the second body 64, raised line 630 and groove 640 can also be mutual
Change, i.e., groove is set on the first noumenon 63, setting raised line on the second body 64 also may be used.When being divided into two bodies mutually fastened, peace
Loading board 66, is also divided into two parts, is separately positioned on 63 and second body 64 of the first noumenon.
The axial flow circulating pump of the present embodiment, installation process can be：Connecting shaft 5 is penetrated in the axis hole of wear-resistant gasket 65, allowed
4 lower end of connecting shaft and 3 pre-connection of impeller, 5 upper end of connecting shaft is connected in advance by cross coupler 52 and 13 pre-connection of motor output shaft
Connect and refer to screw on connection bolt, but the state do not tightened, by 65 both sides of wear-resistant gasket, the first noumenon 63 and second is sticked into respectively
In half installing plate 66 on body 64, the first noumenon 63 and the second body 64 are fastened, the upper end of connecting tube 6 sticks into connecting tube
In set 12, lower end sticks into 26 upper end opening of transition part of connect cover 2, and the lower end of connecting shaft 5 is put into the water conservancy diversion of lower connect cover 4
In the groove 424 of column 422, upper connect cover 2 and lower connect cover 4 are attached by screw thread, then pass through the first elongated slot 61 and
Two elongated slots 62, the connection bolt between connecting shaft 5 and cross coupler 52, connecting shaft 5 and impeller 3 is tightened.
The axial flow circulating pump of the present embodiment, the length of connecting tube 6 are the matcheds with energy-saving cistern 7, and motor 1 is mounted in
Outside the babinet 70 of energy-saving cistern 7, the hole identical with 12 outside diameter of connecting pipe box can be beaten on case lid 73, connection motor 1 with
Before connecting tube 6, connecting pipe box 12 are penetrated in hole.Then, the external thread part 41 of lower connect cover 4 is screwed into outlet pipe 72
Tightened in the internal thread on top, that is, complete installation.
The axial flow circulating pump of the present embodiment at work, the circulating water body in energy-saving cistern 7, no longer directly from outlet pipe 72
Outflow, but enter upper connect cover 2 from water inlet 21, the axial direction of current limliting, impeller 3 by restriction 25 drives with circumferential, fast
Speed flows into lower connect cover 4, and by the water conservancy diversion of guiding device 42, then the water for participating in whole boiler by outlet pipe 72 is circulated throughout
Journey.
In the present embodiment, only connecting tube 6 is bisected into 63 and second body 64 of the first noumenon mutually fastened, but the present invention
Upper connect cover 2 can also be bisected into the body of two fastenings, therefore have second embodiment.
2nd, the axial flow circulating pump of second embodiment
The present embodiment and first embodiment something in common, repeat no more.As shown in Figure 5-Figure 7, in the present embodiment, not only will
Upper connect cover 2 is bisected into 201 and second body 202 of the first noumenon, but also by the first noumenon 63 and the one of the first noumenon 201 into
Type, as half body 271 of a left side of integrated connection shroud 27, collection is integrally formed as by the second body 64 and the second body 202
Into connection shroud 27 half body 272 of right side, it may also be said to be connecting tube 6 and upper connect cover 2 be integrated into by a left side half body, 271 He
Right half body 272 fastens the connection shroud 27 formed, half body 271 of a left side and the connecting tube 6 in right half body 272 and upper connect cover
2 are integrally formed.
Here, with reference to Fig. 6 and Fig. 7, the installation process of wear-resistant gasket 65 is introduced.As shown in fig. 6, installing plate 66 divides is
Upper mounting plate 661 and lower installation board 662, have certain interval between upper mounting plate 661 and lower installation board 662, to accommodating resistance to
Grind gasket 65, and the both sides of circular wear-resistant gasket 65 have upper square frame 651, a lower square frame 650 respectively, the shape of square frame just with
Equilateral right angle trigonometry v notch v on upper mounting plate 661, lower installation board 662 matches, in this way, in half body 271 of a left side and right half
When body 272 fastens, upper square frame 651 and lower square frame 650 are just stuck in the upper of left half body 271 and half body 272 of the right side
Between installing plate 661 between lower installation board 662, and by wear-resistant gasket 65 be fixed on upper mounting plate 661 and lower installation board 662 it
Between.
3rd, the axial flow circulating pump of 3rd embodiment
The present embodiment is unlike preceding two embodiment, in the present embodiment, as shown in figure 8, in order to adapt to energy-saving cistern 7
Length, connecting tube 6 not only include 63 and second body 64 of the first noumenon, lengthening section 67 are further included, to adapt to the section of high height
Energy water tank 7, on lengthening section 67, also offers elongated slot 671,672, as fabrication hole respectively.Elongated slot 671 therein, can be used for
Operate the connection of 5 upper end of motor connection axle 13, cross coupler 52 and connecting shaft.
In the present embodiment, for the ease of being connected with lengthening section 67, the height of 63 and second body 64 of the first noumenon slightly has one
Fixed difference in height.Between lengthening section 67 and the first noumenon 63, the second body 64, groove-raised line on above-below direction can be passed through
Be attached with section.And between lengthening section 67 and motor 1, then it is the top of lengthening section 67, is caught in connecting sleeve 12 and carries out
Connection.
The axial flow circulating pump of the present embodiment, when being arranged in the energy-saving cistern 7 of first embodiment of the invention, as shown in Figure 9.
But the motor 1 of the axial flow circulating pump of the embodiment of the present invention, it can also be arranged in energy-saving cistern 7, therefore have the 4th implementation
Example.
4th, the axial flow circulating pump of fourth embodiment
As shown in Figure 10-Figure 17, the axial flow circulating pump of fourth embodiment of the invention, is properly termed as axis stream diving circulating pump.
In the present embodiment, and it is not required to set connecting tube 6, but motor is fixedly connected on to the upper end of upper connect cover, upper connect cover and electricity
The housing 10 of machine, which is integrally formed, is integrated motor casing 18.
Each component of the submersible type axial flow circulating pump to make introductions all round below in the present embodiment.The axis stream diving of the present embodiment follows
Ring pumps, and mainly includes motor integrating shell 18, stator 15, rotor 14, impeller 3, lower connect cover 4 and connecting shaft 5.
As shown in Figure 10, the top of motor integrating shell 18, has wire terminals 11, is extend out to connection outside energy-saving cistern
Be used for connect the conducting wire of mains supply.It is provided with stator 15 in motor integrating shell 18, at the shaft core position of stator 15, is provided with
Rotor 14, rotor 14 can be fixedly connected on connecting shaft 5.Rotor 14 is fixedly connected on connecting shaft 5, can be with the rotation of connecting shaft 5
And rotate, the upper shaft end 54 of the armature spindle 5 of 14 upper end of rotor is stretched out, is supported in the upper bearing (metal) 150 on 15 inner face top of stator, and
The lower shaft end 55 of 3 lower end of impeller is stretched out in, then is supported on the axle sleeve or bearing set in the groove 424 of lower connect cover 4.Connecting shaft
5 impeller 3 is fixedly connected with rotor 14 by interlude 53.Rotor 14 can be slidably connected to connecting shaft 5.Rotor 14, which is fixed, to be connected
Impeller 3 is connected to, rotor and impeller can be rotated around fixed connection shaft 5.
On the side wall of motor integrating shell 18, water inlet 21 is provided with, is equally water inlet 21 in the present embodiment therefore
In motor (being made of rotor 14 and stator 15) between impeller 3.At 21 lower edge of water inlet, restriction 25 is provided with, due to this
In embodiment, the internal diameter of motor integrating shell 18 is all identical from top to bottom, and therefore, the internal diameter of restriction 25 is motor integrating shell 18
Other positions at internal diameter 50%-90%, preferably 70%.And between the bottom of restriction 25 and motor integrating shell 18,
Impeller 3, therefore the present embodiment more compact structure are set, more save space.In the present embodiment, motor integrating shell 18, especially into
The top at the mouth of a river 21 is, it is necessary to waterproof sealing.
In the present embodiment, impeller 3, lower connect cover 4 can be identical to 3rd embodiment with first.
Below in conjunction with Figure 11, Figure 13 and Figure 14, the deflector of the guiding device 42 set in lower connect cover 4 is introduced
421.As shown in figure 14, multiple arcs deflector 421, is uniformly distributed on 422 circumference of diversion column, such as is six in the present embodiment
A deflector 421, the shape of each deflector 421 is identical, span of each deflector 421 on the circumference of diversion column 422
Substantially 60 degree, each deflector 421 is extended downwardly from the planar ends 423 of diversion column 422, but and is not extend to diversion column
422 lower end, deflector 421 are cut by a cylindrical surface coaxial with diversion column 422, and curve obtained is smooth curve, such as
Camber line.
As shown in Figure 10-Figure 14, by flanged joint between motor integrating shell 18 and lower connect cover 4, but the present invention is not
It is confined to this connection mode or is clamped or is bolted.In 18 lower end of motor integrating shell, upper flange is provided with
19, offer unthreaded hole 191 on upper flange 19, and the upper end of lower connect cover 4, then lower flange 49 is provided with, is opened up on lower flange 49
There is unthreaded hole 491, by the cooperation of bolt 190 and nut 490, motor integrating shell 18 is fixedly connected with lower connect cover 4.Here,
Can also be that unthreaded hole is opened up in a wherein flange, opening up threaded hole in another flange is attached.
The axis stream diving circulating pump of the present embodiment, it is more convenient when mounted, in 5 over-assemble of connecting shaft improvement 14 and leaf
Wheel 3, attach it in motor integrating shell 18, set connecting shaft 5 upper shaft end 54 and lower shaft end 55, by motor integrating shell 18 with
Lower connect cover 4 is threadedly coupled, that is, completes the installation of axis stream diving circulating pump itself.
The axis stream diving circulating pump of the present embodiment, when being arranged in the energy-saving cistern 7 of second embodiment of the invention, such as schemes
Shown in 18- Figure 20.
After installation is complete in the axis stream diving circulating pump itself of the present embodiment, the case lid 73 of energy-saving cistern 7 is opened, by under
The external thread part 41 of connect cover 4, which is screwed into the internal thread on 72 top of outlet pipe, to be tightened, and connects the power supply of motor, that is, completes installation.
So far embodiment as described herein is construed as being explanation of the invention, rather than limitation of the present invention.
The scope of the present invention is illustrated by description above, but is limited by the claim of patent, this invention is intended to including
All amendments being equal with the meaning and scope of patent claims.
Claims (7)
1. a kind of axial flow circulating pump, it is characterised in that the axial flow circulating pump includes：
Motor；
Upper connect cover, the side wall of the upper connect cover are provided with water inlet；
Impeller, the impeller are axial-flow pump impeller, are placed in the upper connect cover, the water inlet be arranged at the motor with
Between the impeller；
Connecting shaft, impeller described in axis connection and the motor；
Lower connect cover, the lower connect cover have water inlet end and water outlet, and the water inlet end of the lower connect cover removably connects
In the upper connect cover, the lower connect cover is interior to have guiding device；
The axial flow circulating pump further includes connecting tube, and the connecting tube has motor connecting pin and upper connect cover connecting pin, described
Connecting shaft is arranged in the connecting tube, in the connecting tube on the inside of the upper connect cover connecting pin, is provided with installing plate, described
Wear-resistant gasket for supporting the connecting shaft is installed, the wear-resistant gasket is equipped with what is passed through for connecting shaft on installing plate
Hole；
The connecting tube and the upper connect cover are integrated into fastens the connection shroud formed by left half body and right half body, described
Left half body and the connecting tube in right half body and the upper connect cover are integrally formed；Wherein, the installing plate is put down
Two parts are divided into, are respectively arranged at left half body and right half body, the both sides of the wear-resistant gasket stick into two parts peace respectively
In loading board, the upper end of the connecting shaft is connected by shaft coupling with motor.
2. axial flow circulating pump as claimed in claim 1, it is characterised in that the upper connect cover connects the one of the lower connect cover
End has first connecting portion, and the water inlet end of the lower connect cover has the second connecting portion being connected with the first connecting portion, institute
The water outlet for stating lower connect cover has the second external screw thread；
The first connecting portion is the first external screw thread, and the second connecting portion is the first internal thread；Or the first connecting portion is
First flange, the second connecting portion are second flange；Or the first connecting portion is inner clip head, the second connecting portion is outer
Clamp.
3. axial flow circulating pump as claimed in claim 1, it is characterised in that the guiding device includes diversion column and led described
The multiple arcs deflector being uniformly arranged on the circumference of fluidization tower, the diversion column have conoid end and planar ends, the diversion column
Planar ends there is groove, the groove housing the shaft end of the connecting shaft, or set in the groove axle sleeve or
To support the shaft end of the connecting shaft, the curve cut by the plane of the axis of the diversion column obtained by the diversion column is bearing
Smooth curve.
4. axial flow circulating pump as claimed in claim 2, it is characterised in that the inner face of the upper connect cover is formed with a current limliting
Portion, internal diameter of the upper connect cover at the restriction are less than the internal diameter at connect cover other positions on described, and it is described on
Internal diameter of the connect cover at the restriction is the 50%-90% of the maximum inner diameter of connect cover on described, and the restriction is located at
Between the water inlet and the impeller.
5. axial flow circulating pump as claimed in claim 1, it is characterised in that the first elongated slot is offered on the side wall of the connecting tube
With the second elongated slot, first elongated slot is used to operate the connecting shaft and the connection of the motor output shaft, second elongated slot
For operating the connection of the connecting shaft and the impeller.
6. a kind of energy-saving cistern, it is characterised in that the energy-saving cistern has water inlet pipe and outlet pipe, and claim 1-5 is any
The axial flow circulating pump is installed on the energy-saving cistern, and the lower end of the lower connect cover is connected to the outlet pipe.
7. a kind of power economized boiler, it is characterised in that the power economized boiler has the energy-saving cistern of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510508203.6A CN105041676B (en) | 2015-08-18 | 2015-08-18 | Power economized boiler, energy-saving cistern and its axial flow circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510508203.6A CN105041676B (en) | 2015-08-18 | 2015-08-18 | Power economized boiler, energy-saving cistern and its axial flow circulating pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105041676A CN105041676A (en) | 2015-11-11 |
| CN105041676B true CN105041676B (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510508203.6A Expired - Fee Related CN105041676B (en) | 2015-08-18 | 2015-08-18 | Power economized boiler, energy-saving cistern and its axial flow circulating pump |
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| CN (1) | CN105041676B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106019229B (en) * | 2016-05-20 | 2018-03-16 | 中国民用航空总局第二研究所 | Airdrome scene target acoustical localization method, sound sensing device and system |
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|---|---|---|---|---|
| CN2854158Y (en) * | 2005-12-14 | 2007-01-03 | 成都希望电子研究所 | Axial flow pump |
| CN2856521Y (en) * | 2005-12-08 | 2007-01-10 | 成都希望电子研究所 | Short flowing circulating pump |
| CN101054979A (en) * | 2007-05-11 | 2007-10-17 | 张洪林 | Seal-free submersible centrifugal pump |
| JP2010024836A (en) * | 2008-07-15 | 2010-02-04 | Hitachi Plant Technologies Ltd | Vertical shaft pump |
| CN202926652U (en) * | 2012-03-06 | 2013-05-08 | 朱小雄 | Axial flow water pump structure |
| CN103591029A (en) * | 2012-08-16 | 2014-02-19 | 杭州金氏泵业有限公司 | Axial-flow type reflux pump |
| CN204921402U (en) * | 2015-08-18 | 2015-12-30 | 新疆阳光动力能源科技有限公司 | Energy -conserving boiler, energy -conserving water tank and axial compressor circulating pump thereof |
-
2015
- 2015-08-18 CN CN201510508203.6A patent/CN105041676B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2856521Y (en) * | 2005-12-08 | 2007-01-10 | 成都希望电子研究所 | Short flowing circulating pump |
| CN2854158Y (en) * | 2005-12-14 | 2007-01-03 | 成都希望电子研究所 | Axial flow pump |
| CN101054979A (en) * | 2007-05-11 | 2007-10-17 | 张洪林 | Seal-free submersible centrifugal pump |
| JP2010024836A (en) * | 2008-07-15 | 2010-02-04 | Hitachi Plant Technologies Ltd | Vertical shaft pump |
| CN202926652U (en) * | 2012-03-06 | 2013-05-08 | 朱小雄 | Axial flow water pump structure |
| CN103591029A (en) * | 2012-08-16 | 2014-02-19 | 杭州金氏泵业有限公司 | Axial-flow type reflux pump |
| CN204921402U (en) * | 2015-08-18 | 2015-12-30 | 新疆阳光动力能源科技有限公司 | Energy -conserving boiler, energy -conserving water tank and axial compressor circulating pump thereof |
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| CN105041676A (en) | 2015-11-11 |
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