CN209180030U - A kind of dry type full-tubular pump - Google Patents
A kind of dry type full-tubular pump Download PDFInfo
- Publication number
- CN209180030U CN209180030U CN201821600017.0U CN201821600017U CN209180030U CN 209180030 U CN209180030 U CN 209180030U CN 201821600017 U CN201821600017 U CN 201821600017U CN 209180030 U CN209180030 U CN 209180030U
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- China
- Prior art keywords
- baffle
- impeller
- electric pump
- pump
- dry type
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Abstract
The utility model discloses a kind of dry type full-tubular pumps, including impeller, electric pump and baffle, impeller is mounted on the rotor tip of electric pump, and impeller and electric pump are installed in baffle, the blade of impeller and the inner wall clearance fit of baffle form runner between the housing exterior walls and baffle inner wall of electric pump.When utility model works, fluid flows directly into the other end of baffle from one end of baffle after impeller through the runner between electric pump and baffle, the inside that electric pump will not be entered, touches the motor of electric pump, reduces the insulating properties to motor and the requirement of safety.Water pump assembly is high-efficient, while being suitable for containing granular wastewater media.
Description
Technical field
The utility model relates to through-flow pump technical fields, it particularly relates to which a kind of dry type full-tubular pumps.
Background technique
Full-tubular pump is mainly used for electromechanical irrigation, controls flood and drains flooded fields or the low lift and large flow rate water intake engineering of installation in pipes.It is existing
Some full-tubular pumps generally use wet type electric motor, as shown in Figure 1, water pump vane is mounted on the rotor internal cavity of motor, with rotor shape
At an entirety, rotor is equivalent to the impeller housing of water pump, and the inactive portion of motor is made to become working portion, when work water flow from
The features such as rotor internal cavity flows through, therefore has hydraulic performance good, smooth channel, unit efficiency is higher.However since impeller is assemblied in
The radial dimension of the inner cavity of rotor, motor is larger, and the radial dimension of electric pump increases therewith；Full-tubular pump prevents motor stator
Water performance requirement is very high, increases the difficulty of stator insulation, requires to improve to the security reliability of motor；The efficiency of motor is than normal
The submersible motor of rule is low；When containing granular medium in fluid, wear phenomenon can be generated to machine winding, influence motor
Safe operation.
Summary of the invention
Technical problem: the technical problem to be solved by the utility model is to provide a kind of dry type full-tubular pumps, and fluid will not
Into inside motor, the insulating properties to motor and the requirement of safety can be reduced.
Technical solution: in order to solve the above technical problems, the technical solution that the utility model embodiment uses are as follows:
A kind of dry type full-tubular pump, including the impeller containing blade and wheel hub, electric pump and baffle, the wheel hub and electricity of impeller
The rotor tip of pump connects, and impeller and electric pump are respectively positioned in baffle, and the shell of electric pump is connect with baffle；The leaf of the impeller
The inner wall clearance fit of piece and baffle；Runner is formed between the housing exterior walls and baffle inner wall of electric pump.
As preference, the outer diameter of shell of hub outside diameter and electric pump of the impeller is identical.
As preference, the motor of the electric pump uses magneto.
As preference, the baffle includes water-in flange, guide shell and water-output flange, water-in flange and water-output flange
It is connect positioned at the both ends of guide shell, and respectively with guide shell；The middle part inner wall of guide shell is equipped with exit guide vane body.
As preference, the quantity of the exit guide vane body is 6-8 piece, and is uniformly distributed along the circumferential direction of guide shell.
As preference, the exit guide vane body is equipped with radial cable aperture, and the cable of the radial direction cable aperture and electric pump draws
Portal corresponding.
As preference, the junction of the impeller and electric pump forms blade wheel chamber.
As preference, the wheel hub of the impeller is streamlined.
The utility model has the advantages that compared with prior art, the technical solution of the utility model has the advantages that impeller is installed
Water pump assembly is constituted in the rotor tip of electric pump, water pump assembly is mounted in hollow baffle, the blade and baffle of impeller
Inner wall clearance fit, form runner between the housing exterior walls and baffle inner wall of electric pump.When work, fluid from baffle one
End flows directly into the other end of baffle after impeller through the runner between electric pump and baffle, will not enter inside electric pump,
The insulating properties to electric pump and the requirement of safety are reduced, water pump assembly is high-efficient, while being suitable for containing granular sewage
Medium.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing full-tubular pump；
Fig. 2 is the structural schematic diagram of the utility model embodiment；
Fig. 3 is the structural schematic diagram of baffle in the utility model embodiment.
Have in figure: blade wheel chamber 1, impeller 2, electric pump 3, armature spindle 31, cable 32, stator core 32, rotor core 33, water conservancy diversion
Body 4, water-in flange 41, guide shell 42, exit guide vane body 43, cable aperture 431, water-output flange 44.
Specific embodiment
With reference to the accompanying drawing, the technical solution of the utility model is described in detail.
As shown in Figures 2 and 3, the dry type full-tubular pump of the utility model embodiment, including the leaf containing blade and wheel hub
Wheel 2, electric pump 3 and baffle 4, the wheel hub of impeller 2 are connect with 31 end of armature spindle of electric pump 3, and impeller 2 and electric pump 3 are respectively positioned on and lead
In fluid 4, the shell of electric pump 3 is connect with baffle 4；The blade of the impeller 2 and the inner wall clearance fit of baffle 4；Electric pump 3
Housing exterior walls and baffle inner wall between form runner.
In the dry type full-tubular pump of above structure, baffle 4 is hollow, preferably cylindrical.The wheel hub and electric pump 3 of impeller 2
Rotor tip connect and compose water pump assembly.Water pump assembly is located in baffle 4.Between the blade of impeller 2 and the inner wall of baffle 4
Gap cooperation.Baffle 4 is equivalent to the shell of impeller 2.Runner is formed between 4 inner wall of housing exterior walls and baffle of electric pump 3.Work
When, fluid flows directly into baffle 4 through the runner between electric pump 3 and baffle 4 after impeller 2 from one end of baffle 4
The other end will not enter inside electric pump 3, to reduce the insulating properties to electric pump 3 and the requirement of safety.
As preference, the outer diameter of the wheel hub of the impeller 2 is equal to the outer diameter of the shell of electric pump 3.When outside 2 wheel hub of impeller
When diameter is identical as the housing outer diameter of electric pump 3, the runner formed between 4 inner wall of housing exterior walls and baffle of electric pump 3 is straight channel,
Smooth channel, resistance is small, and fluid straight can directly go out.The dry type full-tubular pump hydraulic performance of above structure is good, high-efficient.
As preference, the motor of the electric pump 3 uses magneto.The magneto of the present embodiment has radial direction and axis
The feature small to size can facilitate and realize lesser motor outer diameter.Magneto in the present embodiment can according to design requirement, into
The determination of row diameter and length.As long as guarantee reaches corresponding efficiency grade, size is not by the constraint of relevant criterion, it can be achieved that smaller
Diameter need.This overcomes the biggish outer diameter disadvantage of conventional motors, is easy to implement the hub outside diameter of motor outer diameter Yu impeller 2
Identical size, while lesser axial dimension make dry type full-tubular pump configuration become more compact, and weight is lighter.
As preference, the baffle 4 includes water-in flange 41, guide shell 42 and water-output flange 44, water-in flange 41
It is located at the both ends of guide shell 42 with water-output flange 44, and is connect respectively with guide shell 42；After the middle part inner wall of guide shell 42 is equipped with
Set diffuser 43.The water-in flange 41 and water-output flange 44 at 42 both ends of guide shell are respectively used to connect with inlet and outlet pipes
It connects.The water pump assembly that impeller 2 and electric pump 3 are constituted is mounted in guide shell 42, and impeller 2 is located at one end equipped with water-in flange 41；
The middle part inner wall of guide shell 42 is equipped with exit guide vane body 43, can eliminate fluid and pass through the rotary motion that impeller 2 generates, reduce waterpower
Loss and fluid velocity, enable speed to be converted into pressure energy.
As preference, the quantity of the exit guide vane body 43 is 6-8, and the circumferential direction along guide shell 42 is uniformly distributed.
As preference, the exit guide vane body 43 is equipped with radial cable aperture 431, the radial direction cable aperture 431 and electric pump 3
Cable lead-out aperture it is corresponding.The cable of electric pump 3 is pierced by after drawing in the middle part of motor from the radial cable aperture of exit guide vane body 43,
To avoid cable to the obstruction of fluid, guarantees that the without hindrance of fluid passes through, reduce the resistance of fluid.
As preference, the junction of the impeller 2 and electric pump 3 forms blade wheel chamber 1, can prevent twister from entering machinery
Sealing, and have the function of keeping lubrication.
As preference, the wheel hub of the impeller 2 is streamlined, so that resistance is small, smooth in water flow.
The basic principles and main features and advantage of the utility model have been shown and described above.Those skilled in the art
It should be appreciated that the utility model is not limited by above-mentioned specific embodiment.Description in above-mentioned specific embodiment and specification is only
It is in order to further illustrate the principles of the present invention.On the premise of not departing from the spirit and scope of the utility model, this is practical
Novel to will also have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.This reality
With novel claimed range by claims and its equivalent thereof.
Claims (6)
1. a kind of dry type full-tubular pump, which is characterized in that including the impeller (2) containing blade and wheel hub, electric pump (3) and baffle
(4), the wheel hub of impeller (2) is connect with the rotor tip of electric pump (3), and impeller (2) and electric pump (3) are respectively positioned in baffle (4), electricity
The shell of pump (3) is connect with baffle (4)；The blade of the impeller (2) and the inner wall clearance fit of baffle (4)；Electric pump (3)
Housing exterior walls and baffle inner wall between form runner；
The baffle (4) includes water-in flange (41), guide shell (42) and water-output flange (44), water-in flange (41) and water outlet
Flange (44) is located at the both ends of guide shell (42), and connect respectively with guide shell (42)；The middle part inner wall of guide shell (42) is equipped with
Exit guide vane body (43)；Exit guide vane body (43) is uniformly distributed along the circumferential direction of guide shell (42)；The exit guide vane body (43) sets
Have radial cable aperture (431), the radial direction cable aperture (431) is corresponding with the cable lead-out aperture of electric pump (3).
2. dry type full-tubular pump described in accordance with the claim 1, which is characterized in that the hub outside diameter and electric pump of the impeller (2)
(3) outer diameter of shell is identical.
3. dry type full-tubular pump described in accordance with the claim 1, which is characterized in that the motor of the electric pump (3) uses Permanent Magnet and Electric
Machine.
4. dry type full-tubular pump described in accordance with the claim 1, which is characterized in that the quantity of the exit guide vane body (43) is 6-
8.
5. dry type full-tubular pump described in accordance with the claim 1, which is characterized in that the junction of the impeller (2) and electric pump (3)
It is formed blade wheel chamber (1).
6. dry type full-tubular pump described in accordance with the claim 1, which is characterized in that the wheel hub of the impeller (2) is streamlined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600017.0U CN209180030U (en) | 2018-09-29 | 2018-09-29 | A kind of dry type full-tubular pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600017.0U CN209180030U (en) | 2018-09-29 | 2018-09-29 | A kind of dry type full-tubular pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209180030U true CN209180030U (en) | 2019-07-30 |
Family
ID=67360610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821600017.0U Active CN209180030U (en) | 2018-09-29 | 2018-09-29 | A kind of dry type full-tubular pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209180030U (en) |
-
2018
- 2018-09-29 CN CN201821600017.0U patent/CN209180030U/en active Active
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