CN208997012U - A kind of water pump rotor axis - Google Patents
A kind of water pump rotor axis Download PDFInfo
- Publication number
- CN208997012U CN208997012U CN201821868738.XU CN201821868738U CN208997012U CN 208997012 U CN208997012 U CN 208997012U CN 201821868738 U CN201821868738 U CN 201821868738U CN 208997012 U CN208997012 U CN 208997012U
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- CN
- China
- Prior art keywords
- hole
- interconnecting piece
- circular shaft
- water pump
- rotor axis
- Prior art date
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Abstract
The utility model provides a kind of water pump rotor axis.It solves the problems, such as that existing armature spindle transmission accuracy is bad.This water pump rotor axis includes the circular shaft and six square shafts of distribution on the same line, circular shaft rear end face is axially arranged with mounting hole along circular shaft, mounting hole is blind hole, mounting hole is made of splined hole and connecting hole, connecting hole and splined hole are axially distributed along circular shaft, connecting hole is between splined hole and six square shafts, integrally formed with column interconnecting piece on six square shaft front end faces, interconnecting piece is inserted in mounting hole, interconnecting piece leading portion has external splines, interconnecting piece external splines is meshed with the internal spline on splined hole, interconnecting piece back segment is located in connecting hole, the shape and size of interconnecting piece back segment match with connecting hole, interconnecting piece is connected by way of interference fit with circular shaft, circular shaft is equipped with the gas vent for making splined hole be in communication with the outside.This water pump rotor axis has the advantages that high transmission accuracy.
Description
Technical field
The utility model relates to a kind of water pump, especially a kind of water pump rotor axis.
Background technique
Water pump is the machinery for conveying liquid or being pressurized liquid, it transmits the mechanical energy of prime mover or other external energies
To liquid, increase liquid energy, is mainly used to convey liquid to include water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid gold
Belong to etc..
When specifically used, some water pump can use in water, and at this point, armature spindle a part on water pump immerses water
In, another part does not contact water, wherein water-immersed part is six square shaft sections (for assembling the impeller in six square shaft holes), because of it
Diving uses, and need to have corrosion resistance, generally use 304 stainless steels；The part for not contacting water is circular shaft section, to corrosion resistance
It can require lower, but need to have good magnetic conductivity, generally use 45# steel.
The process of above-mentioned armature spindle is as follows: six square shaft sections and circular shaft section complete the process respectively, and then the two passes through weldering
The mode connect fits together.Existing armature spindle has a problem that: six square shafts and circular shaft are directly welded and fixed, the dress of the two
It is bad with precision, influence transmission accuracy.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of water pump rotor axis, solution
Certainly the technical issues of is how to improve transmission accuracy and structural stability.
The purpose of this utility model can be realized by the following technical scheme: a kind of water pump rotor axis, including be distributed in same
Circular shaft and six square shafts, circular shaft on one straight line are made of permeability magnetic material, and six square shafts are made of resistant material, feature
Be, the rear end face of the circular shaft is along the mounting hole that is axially arranged with of circular shaft, and mounting hole is blind hole, mounting hole by splined hole and
Connecting hole composition, connecting hole and splined hole are distributed along the axial direction of circular shaft, and connecting hole is between splined hole and six square shafts, six sides
Integrally formed with the interconnecting piece being in the form of a column, interconnecting piece and the coaxial arrangement of six square shafts on the front end face of axis, and interconnecting piece is inserted in installation
In hole, the leading portion of interconnecting piece has external splines, and the external splines of interconnecting piece is meshed with the internal spline on splined hole, interconnecting piece
Back segment is located in connecting hole, and the shape and size of the back segment of the interconnecting piece match with connecting hole, and interconnecting piece passes through interference
The mode and circular shaft of cooperation are connected, and the circular shaft is equipped with the gas vent for making splined hole be in communication with the outside.
Gas vent is used for the air being discharged in mounting hole, makes the smooth progress of entire assembling process.Interconnecting piece on six square shafts
It is connected by spline with circular shaft, while improving the concentricity of circular shaft and six square shafts, and six square shafts and circular shaft combination can be reduced
When length, to effectively improve transmission accuracy.The back segment of interconnecting piece is connected by way of interference fit with six square shafts, is being ensured
While six square shafts and circular shaft are stably connected with, and make to form reliable sealing between interconnecting piece and circular shaft, prevent the impurity such as dust into
Enter to spline junction, to improve the structural stability of this armature spindle.
In above-mentioned water pump rotor axis, the gas vent is L-shaped, and one end of gas vent is connected to splined hole, and arranges
The other end of stomata is located on the rear end face of circular shaft, and the front end face of six square shafts and the rear end face of circular shaft offset and will be vented
The port closed of the other end in hole.In assembling process, gas vent another port is in the open state always to realize exhaust；Assembling
After, the another port of gas vent is closed by six square shafts, prevents the impurity such as dust, water from entering mounting hole by gas vent
It is interior, to further increase the structural stability of this armature spindle.
In above-mentioned water pump rotor axis, the connecting hole is taper hole, and the aperture of connecting hole gradually becomes from back to front
Small, the back segment side wall of interconnecting piece is and the matched conical surface of taper hole, and the hole wall tight abutment of the conical surface and taper hole.
In above-mentioned water pump rotor axis, the resistant material is 304 stainless steels.
In above-mentioned water pump rotor axis, the permeability magnetic material is No. 45 steel.
Compared with prior art, this water pump rotor axis has the advantage that
1, the interconnecting piece on six square shafts is connected by spline with circular shaft, is improving the same of the concentricity of circular shaft and six square shafts
When, and length when six square shafts and circular shaft combination can be reduced, to effectively improve transmission accuracy.
2, the back segment of interconnecting piece is connected by way of interference fit with six square shafts, is connected ensuring that six square shafts and circular shaft are stablized
While connecing, and make to form reliable sealing between interconnecting piece and circular shaft, prevents the impurity such as dust from entering spline junction, to mention
The structural stability of this high armature spindle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of this water pump rotor axis.
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A.
Fig. 3 is the structural schematic diagram of circular shaft.
In figure, 1, circular shaft；1a, mounting hole；1a1, splined hole；1a2, connecting hole；1b, gas vent；2, six square shaft；2a, company
Socket part.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, this water pump rotor axis includes the circular shaft 1 and six square shafts 2 of distribution on the same line, wherein circular shaft 1
It is made of permeability magnetic material, six square shafts 2 are made of resistant material.In the present embodiment, resistant material is 304 stainless steels, is led
Magnetic material is No. 45 steel.
Specifically, as shown in figures 1 and 3, the rear end face of circular shaft 1 is axially arranged with mounting hole 1a along circular shaft 1, and installs
Hole 1a is blind hole.Mounting hole 1a is made of splined hole 1a1 and connecting hole 1a2, the axis of connecting hole 1a2 and splined hole 1a1 along circular shaft 1
To distribution, and connecting hole 1a2 is located between splined hole 1a1 and six square shafts 2.Integrally formed in column on the front end face of six square shafts 2
The interconnecting piece 2a of shape, interconnecting piece 2a and the coaxial arrangement of six square shafts 2, and interconnecting piece 2a is inserted in mounting hole 1a.Before interconnecting piece 2a
Section has external splines, and the external splines of interconnecting piece 2a is meshed with the internal spline on splined hole 1a1.The back segment of interconnecting piece 2a is located at
In connecting hole 1a2, the shape and size of the back segment of interconnecting piece 2a match with connecting hole 1a2, and interconnecting piece 2a passed through
Be full of cooperation mode and circular shaft 1 be connected.In the present embodiment, connecting hole 1a2 is taper hole, and the aperture of connecting hole 1a2 is from rear past
Before gradually become smaller, the back segment side wall of interconnecting piece 2a is and the matched conical surface of taper hole, and the hole wall tight abutment of the conical surface and taper hole.
As depicted in figs. 1 and 2, circular shaft 1 is equipped with the gas vent 1b for making splined hole 1a1 be in communication with the outside, and gas vent 1b
Air for being discharged in mounting hole 1a makes the smooth progress of entire assembling process.Specifically, gas vent 1b is L-shaped, gas vent
One end of 1b is connected to splined hole 1a1, and the other end of gas vent 1b is located on the rear end face of circular shaft 1.The front end face of six square shafts 2
It offsets with the rear end face of circular shaft 1 and by the port closed of the other end of gas vent 1b.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (5)
1. a kind of water pump rotor axis, including being distributed circular shaft (1) and six square shafts (2) on the same line, circular shaft (1) is by magnetic conduction material
Material is made, and six square shafts (2) are made of resistant material, which is characterized in that the rear end face of the circular shaft (1) is along circular shaft
(1) be axially arranged with mounting hole (1a), and mounting hole (1a) is blind hole, mounting hole (1a) is by splined hole (1a1) and connecting hole
(1a2) composition, connecting hole (1a2) and splined hole (1a1) are distributed along the axial direction of circular shaft (1), and connecting hole (1a2) is located at splined hole
Between (1a1) and six square shafts (2), integrally formed with the interconnecting piece (2a) being in the form of a column, interconnecting piece on the front end face of six square shafts (2)
The coaxial arrangement of (2a) and six square shafts (2), and interconnecting piece (2a) is inserted in mounting hole (1a), the leading portion of interconnecting piece (2a) has outer flower
Key, and the external splines of interconnecting piece (2a) is meshed with the internal spline on splined hole (1a1), the back segment of interconnecting piece (2a) is located at connection
In hole (1a2), the shape and size of the back segment of the interconnecting piece (2a) match with connecting hole (1a2), and interconnecting piece (2a) is logical
The mode of interference fit and circular shaft (1) are connected, and the circular shaft (1) is equipped with the row for making splined hole (1a1) be in communication with the outside
Stomata (1b).
2. water pump rotor axis according to claim 1, which is characterized in that the gas vent (1b) is L-shaped, gas vent
The one end of (1b) is connected to splined hole (1a1), and the other end of gas vent (1b) is located on the rear end face of circular shaft (1), described
The front end face of six square shafts (2) and the rear end face of circular shaft (1) offset and by the port closeds of the other end of gas vent (1b).
3. water pump rotor axis according to claim 1, which is characterized in that the connecting hole (1a2) is taper hole, and is connected
The aperture in hole (1a2) gradually becomes smaller from back to front, the back segment side wall of interconnecting piece (2a) be with the matched conical surface of taper hole, and the conical surface with
The hole wall tight abutment of taper hole.
4. water pump rotor axis according to claim 1, which is characterized in that the resistant material is 304 stainless steels.
5. water pump rotor axis according to claim 1, which is characterized in that the permeability magnetic material is No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821868738.XU CN208997012U (en) | 2018-11-13 | 2018-11-13 | A kind of water pump rotor axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821868738.XU CN208997012U (en) | 2018-11-13 | 2018-11-13 | A kind of water pump rotor axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208997012U true CN208997012U (en) | 2019-06-18 |
Family
ID=66807704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821868738.XU Active CN208997012U (en) | 2018-11-13 | 2018-11-13 | A kind of water pump rotor axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208997012U (en) |
-
2018
- 2018-11-13 CN CN201821868738.XU patent/CN208997012U/en active Active
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