CN212744463U - Impeller and water pump thereof - Google Patents
Impeller and water pump thereof Download PDFInfo
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- CN212744463U CN212744463U CN202021078398.8U CN202021078398U CN212744463U CN 212744463 U CN212744463 U CN 212744463U CN 202021078398 U CN202021078398 U CN 202021078398U CN 212744463 U CN212744463 U CN 212744463U
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- impeller
- hub
- taper sleeve
- groove
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Abstract
The utility model discloses an impeller, which comprises an impeller component and a plurality of through holes communicated with the two sides of the impeller component; the hub is arranged in the impeller assembly, and a central hole is formed in the hub; the impeller cover nut is provided with a shaft hole at one end, a groove is arranged at the other end, the bottom end of the groove is communicated with the shaft hole, and the top end of the groove is connected with the hub; the outer end of the taper sleeve is pressed at the bottom end of the groove, and the side wall of the taper sleeve is in contact with the hub; the impeller is characterized in that the impeller cover nut is pressed against the outer end of the taper sleeve and is arranged on the impeller hub, the taper sleeve is pressed to wedge a gap between the hub and the pump shaft along with the pressing of the impeller cover nut so as to achieve the purpose of fixing the impeller, the stability is high, and the impeller and the pump shaft are coaxial; the pump shaft is installed on the central hole, and the taper sleeve and the impeller cover nut are both sleeved on the pump shaft, so that the water pump is stable in operation, low in energy consumption and long in service life.
Description
Technical Field
The utility model relates to a water treatment facilities field, in particular to impeller and water pump thereof.
Background
The impeller is the core component of the water pump, and the function of the impeller of the water pump is to transfer the energy input by the prime mover to the liquid. The shape, size, processing technique and the like of the water pump have decisive influence on the performance of the water pump, and are main influencers of the working efficiency of the water pump. Under certain conditions, if the impeller is not well designed, water loss and clearance loss are generated at the inlet of the pump and the blades, and the transmission efficiency is affected. Meanwhile, the rigidity of the pump shaft and the action of axial force and radial force during the operation of the pump also have certain influence on the operation of the impeller.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at solves one of the technical problem that exists among the prior art at least, provides an impeller and water pump thereof, can fix the impeller, has guaranteed that the axle center of impeller and pump shaft is unanimous, further makes the water pump operation stable, reduces the power consumption.
According to an embodiment of the first aspect of the present invention, there is provided an impeller, including an impeller assembly including through holes communicating both sides of the impeller assembly; the hub is arranged in the impeller assembly, and a central hole is formed in the hub; the impeller cover nut is provided with a shaft hole at one end, a groove is arranged at the other end, the bottom end of the groove is communicated with the shaft hole, and the top end of the groove is connected with the hub; the outer end of the taper sleeve is pressed at the bottom end of the groove, and the side wall of the taper sleeve is in contact with the hub; the taper sleeve comprises an inner hole, and the axis of the through hole, the axis of the central hole, the central line of the groove, the axis of the shaft hole and the axis of the inner hole are coaxial.
Has the advantages that: this impeller is through pushing down the outer end of taper sleeve and installing on impeller wheel hub impeller cover mother, along with the purpose of impeller cover mother oppression taper sleeve wedging wheel hub and the space between the pump shaft in order to reach fixed impeller, can overcome the rigidity influence of pump shaft and the effect of axial force and radial force when the pump operates, and stability is strong, secondly, has guaranteed that impeller and pump shaft are coaxial, further makes the water pump operation stable, and the power consumption is lower, and the life-span is longer.
According to the utility model discloses the impeller of first aspect embodiment, impeller subassembly and the female solid of revolution that is of impeller lid, the central line of impeller subassembly, the female central line of impeller lid, taper sleeve is coaxial, and the central line of impeller subassembly is coaxial with the axis of through-hole, and turning drilling is very convenient, improves production efficiency.
According to the utility model discloses the impeller of first aspect embodiment, wheel hub's end is equipped with helicitic texture outward, and the inner wall of recess also is equipped with helicitic texture, and the impeller lid mother is connected with wheel hub through threaded connection's mode, through helicitic texture pretension taper sleeve, the high-efficient pretension of the mode of screwing up of accessible.
According to the utility model discloses the impeller of first aspect embodiment is equipped with the conical surface in wheel hub's the end, the conical surface and the lateral wall contact of taper sleeve, and the angle of conical surface equals with the lateral wall angle of taper sleeve, and the atress is more reasonable when setting up the conical surface and making the pretension.
According to the utility model discloses the impeller of first aspect embodiment, the angle of conical surface is 4.4, and the wedging is the most stable under this angle.
According to the utility model discloses the impeller of the first aspect embodiment, pretension groove has been seted up to the lateral wall of taper sleeve, and pretension groove sets up the convenient taper sleeve pretension of pretension groove along the axial extension of taper sleeve.
According to the utility model discloses the impeller of first aspect embodiment, impeller subassembly include front shroud, back shroud and a plurality of blade, and wheel hub and each blade setting are between front shroud and back shroud, and each blade uses wheel hub's axis to refine impeller subassembly structure around wheel hub as central circumference array, improves production efficiency.
According to the impeller of the embodiment of the second aspect of the present invention, a water pump is provided, which comprises the impeller of the embodiment of the first aspect of the present invention; the pump shaft is installed on the central hole, and the taper sleeve and the impeller cover nut are both sleeved on the pump shaft, so that the impeller and the pump shaft are coaxial.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a front view of the taper sleeve in the embodiment of the present invention;
fig. 3 is a front view of an impeller cover nut in an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, an impeller includes an impeller assembly 10 including a through hole communicating both sides of the impeller assembly 10; the hub 11 is arranged in the impeller assembly 10, and a central hole is formed in the hub 11; the impeller cover nut 20 is characterized in that one end of the impeller cover nut 20 is provided with a shaft hole 21, the other end of the impeller cover nut 20 is provided with a groove 22, the bottom end of the groove 22 is communicated with the shaft hole 21, and the top end of the groove 22 is connected with the hub 11; the outer end of the taper sleeve 30 is pressed at the bottom end of the groove 22, and the side wall of the taper sleeve 30 is in contact with the hub 11; the taper sleeve 30 comprises an inner hole 32, and the axis of the through hole, the axis of the central hole, the central line of the groove 22, the axis of the shaft hole 21 and the axis of the inner hole 32 are coaxial. This impeller is through pushing down the outer end of taper sleeve 30 and installing on impeller wheel hub 11 impeller cover female 20, along with impeller cover female 20 oppresses the taper sleeve 30 and wedges the space between wheel hub 11 and the pump shaft 40 in order to reach the purpose of fixed impeller, can overcome the rigidity influence of pump shaft 40 and the effect of axial force and radial force when the pump operates, and stability is strong, secondly, has guaranteed that impeller and pump shaft 40 are coaxial, further makes the water pump operation stable, and the power consumption is lower, and the life-span is longer.
In this embodiment, the taper sleeve 30 is not limited to literal understanding, but may also be a structural member having a hole structure in the middle and inclined sides.
In this embodiment, the impeller assembly 10 and the impeller cover nut 20 are both a revolving body, the center line of the impeller assembly 10, the center line of the impeller cover nut 20, and the center line of the taper sleeve 30 are coaxial, the center line of the impeller assembly 10 is coaxial with the axis of the through hole, the groove 22 is also a circular groove, the turning and drilling are very convenient, and the production efficiency is improved. Further, the impeller assembly 10 comprises a front cover plate 12, a rear cover plate 13 and a plurality of blades 14, the hub 11 and the blades 14 are arranged between the front cover plate 12 and the rear cover plate 13, the top ends of the grooves 22 are embedded into the rear cover plate 13 and then connected with the hub 11, and the blades 14 are circumferentially arrayed around the hub 11 by taking the axis of the hub 11 as a center, so that the structure of the impeller assembly 10 is refined, and the production efficiency is improved.
In this embodiment, a threaded structure is provided outside the end of the hub 11, a threaded structure is also provided on the inner wall of the groove 22, the impeller cover nut 20 is connected with the hub 11 in a threaded connection manner, and the taper sleeve 30 is pre-tightened through the threaded structure, so that the high-efficiency pre-tightening can be achieved in a tightening manner.
In this embodiment, a conical surface is arranged in the end of the hub 11, the conical surface is in contact with the side wall of the taper sleeve 30, the angle of the conical surface is equal to the angle of the side wall of the taper sleeve 30, the angle is 4.4 degrees, the conical surface is arranged, so that the pre-tightening stress is more reasonable, and meanwhile, the conical surface is most stably wedged at the angle. Meanwhile, in order to ensure that the structure is not easy to damage in the wedging process, the side wall of the taper sleeve 30 is provided with a pre-tightening groove 31, the pre-tightening groove 31 extends along the axial direction of the taper sleeve 30, the pre-tightening groove 31 is arranged to facilitate pre-tightening of the taper sleeve 30, and the pre-tightening groove 31 enables the taper sleeve 30 to be stressed more reasonably during pre-tightening.
A water pump comprising an impeller as in the present embodiment; the pump shaft 40 is installed on the central hole, and the taper sleeve 30 and the impeller cover nut 20 are both sleeved outside the pump shaft 40, so that the impeller and the pump shaft 40 are coaxial.
When the impeller and the water pump thereof are specifically installed, firstly, the impeller assembly 10 is sleeved from one end of the pump shaft 40, the pump shaft 40 penetrates through the through hole and the central hole, then the taper sleeve 30 is sleeved from the other end of the pump shaft 40, finally, the impeller cover nut 20 is sleeved, at the moment, the groove 22 of the impeller cover nut 20 accommodates the taper sleeve 30 and pushes the taper sleeve 30 to approach the hub 11 until the side wall of the taper sleeve 30 is contacted with the inner wall of the central hole, namely the inclined plane in the tail end of the hub 11, at the moment, the other end of the pump shaft 40 penetrates through the shaft hole 21 of the impeller cover nut 20, the inner wall of the groove 22 is also contacted with the hub 11, the impeller cover nut 20 is rotated to enable the impeller cover nut 20 to be in threaded connection with the hub 11, the taper sleeve 30 is pressed to wedge a gap.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. An impeller, comprising:
the impeller assembly comprises a through hole communicated with two sides of the impeller assembly;
the hub is arranged in the impeller assembly, and a central hole is formed in the hub;
one end of the impeller cover nut is provided with a shaft hole, the other end of the impeller cover nut is provided with a groove, the bottom end of the groove is communicated with the shaft hole, and the top end of the groove is connected with the hub;
the outer end of the taper sleeve is pressed at the bottom end of the groove, and the side wall of the taper sleeve is in contact with the hub; the taper sleeve comprises an inner hole, and the axis of the through hole, the axis of the central hole, the central line of the groove, the axis of the shaft hole and the axis of the inner hole are coaxial.
2. The impeller of claim 1, wherein: the impeller assembly and the impeller cover nut are both revolving bodies, the center line of the impeller assembly, the center line of the impeller cover nut and the center line of the taper sleeve are coaxial, and the center line of the impeller assembly is coaxial with the axis of the through hole.
3. The impeller of claim 2, wherein: the end of the hub is externally provided with a thread structure, the inner wall of the groove is also provided with a thread structure, and the impeller cover nut is connected with the hub in a thread connection mode.
4. The impeller of claim 3, wherein: the end of the hub is internally provided with a conical surface which is contacted with the side wall of the taper sleeve, and the angle of the conical surface is equal to that of the side wall of the taper sleeve.
5. The impeller of claim 4, wherein: the angle of the conical surface is 4.4 degrees.
6. The impeller of claim 4, wherein: the side wall of the taper sleeve is provided with a pre-tightening groove, and the pre-tightening groove extends along the axial direction of the taper sleeve.
7. The impeller of claim 2, wherein: the impeller assembly comprises a front cover plate, a rear cover plate and a plurality of blades, the hub and the blades are arranged between the front cover plate and the rear cover plate, and the blades are circumferentially arrayed around the hub by taking the axis of the hub as a center.
8. A water pump, comprising:
using an impeller according to any one of claims 1 to 7;
and the pump shaft is arranged on the central hole, and the taper sleeve and the impeller cover nut are sleeved on the pump shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021078398.8U CN212744463U (en) | 2020-06-11 | 2020-06-11 | Impeller and water pump thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021078398.8U CN212744463U (en) | 2020-06-11 | 2020-06-11 | Impeller and water pump thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744463U true CN212744463U (en) | 2021-03-19 |
Family
ID=75007931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021078398.8U Active CN212744463U (en) | 2020-06-11 | 2020-06-11 | Impeller and water pump thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744463U (en) |
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2020
- 2020-06-11 CN CN202021078398.8U patent/CN212744463U/en active Active
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