CN207864231U - A kind of pump housing axle sleeve fixed structure - Google Patents
A kind of pump housing axle sleeve fixed structure Download PDFInfo
- Publication number
- CN207864231U CN207864231U CN201721621975.1U CN201721621975U CN207864231U CN 207864231 U CN207864231 U CN 207864231U CN 201721621975 U CN201721621975 U CN 201721621975U CN 207864231 U CN207864231 U CN 207864231U
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- China
- Prior art keywords
- shaft sleeve
- pump housing
- bearing
- fixed
- sleeve
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Abstract
The utility model discloses a kind of pump housing axle sleeve fixed structures, including the pump housing, it is combined to form the pump cover of an internal cavity with the pump housing, the bearing being fixed between the pump housing and pump cover, it is fixed on the impeller being driven by bearing in the internal cavity, and it is set to the axle sleeve group on the pump housing and the bearing of pump cover side, it is characterised in that：The axle sleeve group includes Upper shaft sleeve, Lower shaft sleeve, bearing shell and spiral pin, the bearing shell coordinates with the bearing clearance, it is provided with mounting hole on the bearing shell, it is provided with connecting hole on the Lower shaft sleeve or Upper shaft sleeve, the spiral pin is fixed the Lower shaft sleeve or Upper shaft sleeve with bearing shell by connecting hole and mounting hole, the Upper shaft sleeve is fixed on pump cover, the Lower shaft sleeve is fixed on the pump housing, using new axle sleeve fixed structure, it can easily dismantle, it is not necessary that bearing is integrally taken out, avoid influencing the installation accuracy of impeller and bearing, the efficiency for improving water pump installation and safeguarding, it has highly application value.
Description
Technical field
The utility model belongs to pump body structure technical field, is related to a kind of axle sleeve structure.
Background technology
Existing pump housing axle sleeve structure needs integral bearing splitting out installation, complex steps, affects installation, safeguards
Efficiency cannot be met the requirements.
Invention content
In order to fill up the blank of the prior art, the utility model provides a kind of pump housing axle sleeve fixed structure, easy for installation,
Improve the efficiency of installation, maintenance.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of pump housing axle sleeve fixed structure, including the pump housing, are combined to form the pump cover of an internal cavity with the pump housing, be fixed on
Bearing between the pump housing and pump cover is fixed on the impeller being driven by bearing in the internal cavity, and be set to the pump housing and
Axle sleeve group on the bearing of pump cover side, the axle sleeve group include Upper shaft sleeve, Lower shaft sleeve, bearing shell and spiral pin, the bearing shell and institute
Bearing clearance cooperation is stated, mounting hole is provided on the bearing shell, connecting hole, the spiral shell is provided on the Lower shaft sleeve or Upper shaft sleeve
Pin is fixed the Lower shaft sleeve or Upper shaft sleeve with bearing shell by connecting hole and mounting hole, and the Upper shaft sleeve is fixed on pump cover, institute
Lower shaft sleeve is stated to be fixed on the pump housing.
Further, the Upper shaft sleeve and the radial section of the Lower shaft sleeve junction are zigzag step structure, the upper axis
Set cooperatively forms cyclic annular axle sleeve structure with Lower shaft sleeve.
Further, the upper end of the Lower shaft sleeve is provided with stage portion, the lower end of the Upper shaft sleeve correspond to be covered on it is described under
In the stage portion of axle sleeve, connecting hole is disposed in the stage portion of the Lower shaft sleeve, the bearing shell corresponding position is provided with mounting hole,
The spiral pin is fixed the Lower shaft sleeve with bearing shell by connecting hole and mounting hole, and the lower end of the Upper shaft sleeve, which corresponds to, is covered on institute
It states and covers the spiral pin in the stage portion of Lower shaft sleeve.
Further, the spiral pin is symmetrically disposed on the both sides of the bearing.
Further, the bearing shell is limited between the Upper shaft sleeve, Lower shaft sleeve, the pump housing, pump cover and bearing.
Further, the Upper shaft sleeve is fixed on pump cover, and the Lower shaft sleeve is fixed on the pump housing, the Upper shaft sleeve, described
It is interference fit between Lower shaft sleeve and the bearing shell.
Further, the Upper shaft sleeve and the Lower shaft sleeve are 0cr18ni9 austenitic stainless steel axle sleeves.
The utility model has the beneficial effects that：It using new axle sleeve fixed structure, can easily dismantle, be not necessarily to bearing
It is whole to take out, the installation accuracy for influencing impeller and bearing is avoided, the efficiency for improving water pump installation and safeguarding has very high push away
Wide application value.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the cut-away illustration of the axle sleeve fixed structure of the utility model；
Fig. 2 is the pump body structure schematic diagram of the utility model.
Reference sign
1, the pump housing；2, pump cover；3, bearing；4, impeller；5, axle sleeve group；51, Lower shaft sleeve；52, Upper shaft sleeve；53, bearing shell；54、
Connecting hole；55, spiral pin.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
With reference to Fig. 1 and Fig. 2, the preferred embodiment of the utility model is described in further detail.
A kind of pump housing axle sleeve fixed structure, including the pump housing 1 are present embodiments provided, is combined with the pump housing 1 and forms an inside
The pump cover 2 of cavity, the bearing 3 that is fixed between the pump housing 1 and pump cover 2 are fixed on and are driven by bearing 3 in the internal cavity
Impeller 4, and the axle sleeve group 5 that is set on the bearing 3 of 2 side of the pump housing 1 and pump cover, the axle sleeve group 5 include Upper shaft sleeve 52, under
Axle sleeve 51, bearing shell 53 and spiral pin 55, the bearing shell 53 and 3 clearance fit of the bearing so that bearing 3 can be 53 turns with respect to bearing shell
It is dynamic, it is provided with mounting hole on the bearing shell 53, connecting hole 54, the spiral pin are provided on the Lower shaft sleeve 51 or Upper shaft sleeve 52
55 are fixed the Lower shaft sleeve 51 or Upper shaft sleeve 52 with bearing shell 53 by connecting hole 54 and mounting hole, and the Upper shaft sleeve 52 is fixed on
On pump cover 2, the Lower shaft sleeve 51 is fixed on the pump housing 1, to which axle sleeve group 5 to be fixed on water pump.
Further, in order to improve the fitness of Upper shaft sleeve 52 and Lower shaft sleeve 51, the Upper shaft sleeve 52 and the Lower shaft sleeve 51
The radial section of junction is zigzag step structure, and the Upper shaft sleeve 52 cooperatively forms cyclic annular axle sleeve structure with Lower shaft sleeve 51.For
It prevents spiral pin from deviating under long-term work, improves the self-locking property of axle sleeve fixed structure, the upper end setting of the Lower shaft sleeve 51
There is stage portion, the lower end of the Upper shaft sleeve 52, which corresponds to, to be covered in the stage portion of the Lower shaft sleeve 51, the platform of the Lower shaft sleeve 51
Be disposed with connecting hole 54 in rank portion, 53 corresponding position of the bearing shell is provided with mounting hole, the spiral pin 55 by connecting hole 54 and
Mounting hole fixes the Lower shaft sleeve 51 and bearing shell 53, and the lower end of the Upper shaft sleeve 52, which corresponds to, is covered on the Lower shaft sleeve 51
The spiral pin is covered in stage portion.Preferably, in order to reduce vibration, the job stability of water pump is improved, the spiral pin is symmetrically set
The both sides of the bearing 3 are placed in, the bearing shell 53 is limited to the Upper shaft sleeve 52, Lower shaft sleeve 51, the pump housing 1, pump cover 2 and bearing 3
Between.In order to ensure that the stability of axle sleeve group 5, the Upper shaft sleeve 52 are fixed on pump cover 2, the Lower shaft sleeve 51 is fixed on the pump housing
It is interference fit between the Upper shaft sleeve 52, the Lower shaft sleeve 51 and the bearing shell 53 on 1.
Further, in order to improve the service life of axle sleeve group 5, the Upper shaft sleeve 52 and the Lower shaft sleeve 51 are
0cr18ni9 austenitic stainless steel axle sleeves.
Finally illustrate, above example is only to illustrate the technical solution of the utility model rather than limits it
System, although the utility model is described in detail with reference to preferred embodiment, those skilled in the art should manage
Solution, the technical solution of the utility model can be modified or replaced equivalently, without departing from the technical program objective and
Range should all cover in the right of the utility model.
Claims (7)
1. a kind of pump housing axle sleeve fixed structure, including the pump housing, are combined to form the pump cover of an internal cavity with the pump housing, it is fixed on institute
The bearing between the pump housing and pump cover is stated, is fixed on the impeller being driven by bearing in the internal cavity, and be set to the pump housing and pump
Axle sleeve group on the bearing of lid side, it is characterised in that：The axle sleeve group includes Upper shaft sleeve, Lower shaft sleeve, bearing shell and spiral pin, described
Bearing shell coordinates with the bearing clearance, is provided with mounting hole on the bearing shell, connection is provided on the Lower shaft sleeve or Upper shaft sleeve
Hole, the spiral pin are fixed the Lower shaft sleeve or Upper shaft sleeve with bearing shell by connecting hole and mounting hole, and the Upper shaft sleeve is fixed on
On pump cover, the Lower shaft sleeve is fixed on the pump housing.
2. a kind of pump housing axle sleeve fixed structure according to claim 1, it is characterised in that：The Upper shaft sleeve and the lower axle
The radial section for covering junction is zigzag step structure, and the Upper shaft sleeve cooperatively forms cyclic annular axle sleeve structure with Lower shaft sleeve.
3. a kind of pump housing axle sleeve fixed structure according to claim 2, it is characterised in that：The upper end of the Lower shaft sleeve is arranged
There is stage portion, the lower end of the Upper shaft sleeve, which corresponds to, to be covered in the stage portion of the Lower shaft sleeve, in the stage portion of the Lower shaft sleeve
It is disposed with connecting hole, the bearing shell corresponding position is provided with mounting hole, under the spiral pin will be described by connecting hole and mounting hole
Axle sleeve is fixed with bearing shell, and the lower end of the Upper shaft sleeve, which corresponds to be covered in the stage portion of the Lower shaft sleeve, covers the spiral pin.
4. a kind of pump housing axle sleeve fixed structure according to claim 1, it is characterised in that：The spiral pin is symmetrically disposed on institute
State the both sides of bearing.
5. a kind of pump housing axle sleeve fixed structure according to claim 1, it is characterised in that：The bearing shell is limited on described
Between axle sleeve, Lower shaft sleeve, the pump housing, pump cover and bearing.
6. a kind of pump housing axle sleeve fixed structure according to claim 1, it is characterised in that：The Upper shaft sleeve is fixed on pump cover
On, the Lower shaft sleeve is fixed on the pump housing, is interference fit between the Upper shaft sleeve, the Lower shaft sleeve and the bearing shell.
7. a kind of pump housing axle sleeve fixed structure according to claim 1, it is characterised in that：The Upper shaft sleeve and the lower axle
Set is 0cr18ni9 austenitic stainless steel axle sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721621975.1U CN207864231U (en) | 2017-11-28 | 2017-11-28 | A kind of pump housing axle sleeve fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721621975.1U CN207864231U (en) | 2017-11-28 | 2017-11-28 | A kind of pump housing axle sleeve fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864231U true CN207864231U (en) | 2018-09-14 |
Family
ID=63467966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721621975.1U Active CN207864231U (en) | 2017-11-28 | 2017-11-28 | A kind of pump housing axle sleeve fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720355A (en) * | 2019-03-20 | 2020-09-29 | 株式会社京浜 | Bearing structure of electric fluid pump |
-
2017
- 2017-11-28 CN CN201721621975.1U patent/CN207864231U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720355A (en) * | 2019-03-20 | 2020-09-29 | 株式会社京浜 | Bearing structure of electric fluid pump |
| CN111720355B (en) * | 2019-03-20 | 2022-02-01 | 日立安斯泰莫株式会社 | Bearing structure of electric fluid pump |
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| GR01 | Patent grant |