CN208885630U - A kind of middle section guide vane - Google Patents
A kind of middle section guide vane Download PDFInfo
- Publication number
- CN208885630U CN208885630U CN201821451949.3U CN201821451949U CN208885630U CN 208885630 U CN208885630 U CN 208885630U CN 201821451949 U CN201821451949 U CN 201821451949U CN 208885630 U CN208885630 U CN 208885630U
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- CN
- China
- Prior art keywords
- guide vane
- middle section
- shroud
- front shroud
- back shroud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of middle section guide vanes, it is related to water pump field, including front shroud and back shroud, axle sleeve is communicated on front shroud, axle sleeve side is provided with multiple guide vanes in the shape of a spiral, and guide vane tilts simultaneously to be fixed between front shroud and back shroud, and front shroud edge offers multiple openings, for opening between any two adjacent guide vanes, opening exposes part back shroud.For the prior art there are pumping for water pump flows small, ineffective problem, the utility model is obliquely installed guide vane between front shroud and back shroud, water flows out between adjacent guide vane piece, by while centrifugal force also by forward thrust, water is set to form vortex, increase water flow, improves the working efficiency of pump.
Description
Technical field
The utility model relates to water pump fields, more specifically, it relates to a kind of middle section guide vane.
Background technique
Water pump vane is made frequently with cast iron, is mainly used in pump.The shape and size of water pump vane have pump performance
Strong influence, wherein single-suction (single-in let) impeller there are flows small, the low disadvantage of power.
For existing middle section guide vane structure, as shown in figure 4, including foreboard 10 and back plate 11 arranged in parallel, it is preceding
Multiple blades 12 are fixed between plate 10 and back plate 11, blade 12 is both perpendicular to foreboard 10 and back plate 11.
In use, water is centrifuged from foreboard side and sprays along guide vane, the water for pumping inside squeezes above-mentioned patent after by pressure
Out, this mode is drawn water, and water flow is small, and the working efficiency of water pump is low.
Utility model content
For the prior art there are pumping for water pump flows small, ineffective problem, the purpose of this utility model is to mention
For a kind of middle section guide vane, increases water flow, improves pump working efficiency.
To achieve the above object, the utility model provides following technical solution:
A kind of middle section guide vane, including front shroud and back shroud are communicated with axle sleeve on the front shroud, and the axle sleeve side is in
Helical form is provided with multiple guide vanes, and the guide vane tilts simultaneously to be fixed between the front shroud and the back shroud, institute
It states front shroud edge and offers multiple openings, for the opening between any two adjacent guide vanes, the opening is sudden and violent
Back shroud described in exposed portion.
Through the above technical solutions, in use, water is flowed out between adjacent guide vane piece, since guide vane is obliquely installed, water
Also so that water is formed the vortex being fed forward by forward thrust while by centrifugal force, effectively increase water flow, improves pump
Working efficiency.
Further, the back shroud is fixed with the middle section caliber for placing pump leaf far from the side of the front shroud.
Through the above technical solutions, in use, placing pump leaf in the caliber of middle section, pump leaf rotates, by the straight front shroud of hydraulic pressure
Between back shroud.
Further, the middle section caliber has card slot, the middle section caliber close to one end edge of the front shroud
One end inner wall edge far from the front shroud offers the catching groove being engaged by clamping with the card slot.
Through the above technical solutions, being convenient for will be before multiple the utility model using the clamping engagement between card slot and catching groove
After be clamped it is practical.
Further, the middle section caliber, the back shroud, the guide vane and the front shroud are integrally formed setting.
Through the above technical solutions, middle section caliber, back shroud, guide vane and front shroud are integrally formed, enhancing is originally practical
New structural stability.
Further, water inlet is offered on the back shroud, the water inlet inner wall is fixed with reinforcing rib.
Through the above technical solutions, be depressed into water between front shroud and back shroud by water inlet after pump leaf rotation, thus
Realize the conveying of water.
Further, multiple guide vane circumference array are fixed on the axle sleeve side.
Through the above technical solutions, guide vane circumference array is fixed on axle sleeve side, the eddies of water effectively avoided the formation of is eccentric,
Influence the transfer efficiency of pump.
Further, the spacing between guide vane described in arbitrary neighborhood is less than or equal to 2-100cm.
Through the above technical solutions, ensuring that there is enough guide vanes between front shroud and back shroud, to guide water
The eddies of water is formed, water flow is increased.
Further, the material of the front shroud, the back shroud, the guide vane and the axle sleeve it is optional cylinder iron,
Stainless steel or cast steel.
Through the above technical solutions, using cast iron, stainless steel or cast steel processing front shroud, back shroud, guide vane and axle sleeve,
Material easily obtains, and anticorrosive, effectively improves the service life of the utility model.
Compared with prior art, the utility model has the beneficial effects that
(1) by the way that guide vane to be obliquely installed, the water extruded between front shroud and back shroud, by the guidance of guide vane,
Vortex is formed, to enhance the mobility of water flow, improves water flow and working efficiency;
(2) further, by opening up card slot and catching groove, convenient for multiple the utility model are mutually clamped use, greatly
Improve emptying effectiveness in ground;
(3) further, it is designed, is effectively improved by the way that middle section caliber, back shroud, guide vane and front shroud to be integrally formed
The structural strength of the utility model.
Detailed description of the invention
Fig. 1 is the overall structure diagram one of the utility model embodiment one;
Fig. 2 is the overall structure diagram two of the utility model embodiment one;
Fig. 3 is the overall structure diagram of the utility model embodiment two;
Fig. 4 is the overall structure diagram of prior art middle section guide vane.
Appended drawing reference: 1, front shroud;2, back shroud;3, axle sleeve;4, guide vane;5, it is open;6, middle section caliber;7, card slot;
8, catching groove;9, reinforcing rib;10, foreboard;11, back plate;12, blade.
Specific embodiment
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, below with reference to embodiment and attached
The utility model is described in further detail for figure, but the embodiments of the present invention is not limited only to this.
Embodiment one
As depicted in figs. 1 and 2, a kind of middle section guide vane, including front shroud 1 and back shroud 2,2 surface of back shroud is rounded, preceding
Axle sleeve 3 is communicated on cover board 1,3 side circumference array of axle sleeve is fixed with multiple guide vanes 4, and single guide vane 4 is in bolt shape,
Gradient is between 0-10mm, and guide vane 4 adopts dextrorotation setting, and the spacing between arbitrary neighborhood guide vane 4 is less than or equal to 2-
100mm selects appropriate number of guide vane 4 to provide preferable hydraulic pressure.
Guide vane 4 tilts simultaneously to be fixed between front shroud 1 and back shroud 2, and 1 edge of front shroud offers multiple openings
5, being open is 4-8, and opening 5 is between any two adjacent guide vanes 4, and the quantity of guide vane 4 selects six herein, opening
Quantity is also six, and opening 5 exposes part back shroud 2, and be open 5 inclined triangles, highly between 5-40mm, rear cover
2 the center point of plate offers circular water inlet, and water inlet inner wall is fixed with reinforcing rib 9, side of the back shroud 2 far from front shroud 1
It is fixed with the middle section caliber 6 for placing pump leaf, the diameter of middle section caliber 6 is between 50-500mm, and height is in 30-160mm
Between.In use, pump leaf is placed in middle section caliber 6, pump leaf rotation, before the water in middle section caliber 6 is depressed by water inlet
Between cover board 1 and back shroud 2, through being flowed out from opening 5 between guide vane 4, by the water of 5 outflow of opening while centrifugation,
By forward thrust, so that water is formed vortex conveying outward and improve pump working efficiency 5% to increase water flow 10%.
Middle section caliber 6 has card slot 7, the one end of middle section caliber 6 far from front shroud 1 close to one end edge of front shroud 1
Inner wall edge offers the catching groove 8 being engaged by clamping with card slot 7.By the clamping engagement between card slot 7 and catching groove 8, being convenient for will be more
Clamping connection before and after a the utility model, to increase water flow.
Front shroud 1, back shroud 2, guide vane 4, the material of reinforcing rib 9 and axle sleeve 3 be optional cylinder iron, stainless steel or cast steel.
Middle section caliber 6, back shroud 2, guide vane 4, reinforcing rib 9 and front shroud 1 are by pouring integrated molding, to increase the utility model
Integrally-built stability, the utility model must not have the defects of sand holes, stomata, shrinkage porosite in the production process.
Embodiment two
A kind of middle section guide vane, as shown in figure 3, being with the difference of embodiment one, guide vane 4 is arranged using dextrorotation, enhancing
Specific embodiment of the present utility model.
In summary:
When the utility model is used, water is pressed between front shroud 1 and back shroud 2 from water inlet by pump leaf, due to leading
Blade 4 is obliquely installed, and is formed vortex from the water flowed out between guide vane 4 by the guidance of guide vane 4, is enhanced the flowing of water flow
Property, improve water flow and working efficiency;Using card slot 7 and catching groove 8, convenient for multiple the utility model are mutually clamped use, lead to
The rotation for crossing the multistage guidance eddies of water, greatlys improve emptying effectiveness;Middle section caliber 6, back shroud 2, guide vane 4 and front shroud 1 one
Body formed design effectively improves the structural strength of the utility model.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of middle section guide vane, including front shroud (1) and back shroud (2), which is characterized in that be communicated on the front shroud (1)
Axle sleeve (3), axle sleeve (3) side are provided with multiple guide vanes (4) in the shape of a spiral, and the guide vane (4) tilts fixation simultaneously
Between the front shroud (1) and the back shroud (2), front shroud (1) edge offers multiple openings (5), described
(5) are open between any two adjacent guide vanes (4), the opening (5) exposes the part back shroud (2).
2. a kind of middle section guide vane according to claim 1, which is characterized in that the back shroud (2) is far from the front shroud
(1) side is fixed with the middle section caliber (6) for placing pump leaf.
3. a kind of middle section guide vane according to claim 2, which is characterized in that the middle section caliber (6) is close to the front cover
One end edge of plate (1) has card slot (7), and the middle section caliber (6) is opened far from one end inner wall edge of the front shroud (1)
Equipped with the catching groove (8) being engaged by clamping with the card slot (7).
4. a kind of middle section guide vane according to claim 2, which is characterized in that the middle section caliber (6), the back shroud
(2), the guide vane (4) and the front shroud (1) are integrally formed setting.
5. a kind of middle section guide vane according to claim 2, which is characterized in that water inlet is offered on the back shroud (2),
The water inlet inner wall is fixed with reinforcing rib (9).
6. a kind of middle section guide vane according to claim 1, which is characterized in that multiple guide vane (4) circumference array are solid
Due to the axle sleeve (3) side.
7. a kind of middle section guide vane according to claim 1, which is characterized in that between guide vane described in arbitrary neighborhood (4)
Spacing is less than or equal to 2-100cm.
8. a kind of middle section guide vane according to claim 4, which is characterized in that the front shroud (1), the back shroud (2),
The material of the guide vane (4) and the axle sleeve (3) is optional cylinder iron, stainless steel or cast steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821451949.3U CN208885630U (en) | 2018-09-04 | 2018-09-04 | A kind of middle section guide vane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821451949.3U CN208885630U (en) | 2018-09-04 | 2018-09-04 | A kind of middle section guide vane |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208885630U true CN208885630U (en) | 2019-05-21 |
Family
ID=66511344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821451949.3U Active CN208885630U (en) | 2018-09-04 | 2018-09-04 | A kind of middle section guide vane |
Country Status (1)
Country | Link |
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CN (1) | CN208885630U (en) |
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2018
- 2018-09-04 CN CN201821451949.3U patent/CN208885630U/en active Active
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