CN220037259U - Wear-resisting anti-deformation water pump shaft sleeve - Google Patents
Wear-resisting anti-deformation water pump shaft sleeve Download PDFInfo
- Publication number
- CN220037259U CN220037259U CN202321265677.9U CN202321265677U CN220037259U CN 220037259 U CN220037259 U CN 220037259U CN 202321265677 U CN202321265677 U CN 202321265677U CN 220037259 U CN220037259 U CN 220037259U
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- Prior art keywords
- oil
- groove
- sleeve
- holes
- wear
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 31
- 239000007924 injection Substances 0.000 claims abstract description 31
- 239000000919 ceramic Substances 0.000 claims description 13
- 239000003921 oil Substances 0.000 description 86
- 239000010687 lubricating oil Substances 0.000 description 31
- 239000000945 filler Substances 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model relates to the technical field of shaft sleeves and discloses a wear-resistant and deformation-resistant water pump shaft sleeve which comprises a sleeve seat and a sleeve body, wherein a plurality of gaskets are coaxially and symmetrically fixed on the inner wall of the sleeve body, an expansion gap is arranged between two adjacent gaskets, an oil injection groove is circumferentially formed in the outer wall of the sleeve body, a plurality of oil injection holes are uniformly formed in the oil injection groove, the oil injection holes radially penetrate through the sleeve body and the corresponding gaskets and are communicated with the expansion gap in a one-to-one correspondence manner, a plurality of oil storage holes are uniformly formed in the inner wall of the gasket, the oil storage holes are arranged at intervals, through grooves are communicated between the oil injection holes and the adjacent oil storage holes.
Description
Technical Field
The utility model relates to the technical field of shaft sleeves, in particular to a wear-resistant and deformation-resistant water pump shaft sleeve.
Background
The shaft sleeve is made into a cylindrical shape and sleeved on the pump shaft, is used for protecting a cylindrical mechanical part of the pump shaft, and is essentially a sliding bearing. Generally, the shaft sleeve is of an integral structure, is in interference fit with the bearing seat, and is in clearance fit with the pump shaft. When the pump shaft rotates, the shaft sleeve and the pump shaft rotate relatively, and the shaft sleeve bears the radial load of the pump shaft.
At present, the water pump shaft sleeve on the market is provided with multi-stage oil storage structures such as slots and notches in the shaft sleeve gasket, so that the quick loss of lubricating oil between the shaft sleeve and the pump shaft is avoided, the abrasion of the shaft sleeve gasket is reduced, the service life of the shaft sleeve is prolonged, but the oil storage structure is a micro-pore, lubricating oil filling is difficult, and meanwhile, when the pump shaft and the shaft sleeve are subjected to dry friction, a large number of distributed slots are extremely easy to be abraded, deform and damage the pump shaft.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the wear-resistant and deformation-resistant water pump shaft sleeve which is convenient for filling lubricating oil and is not easy to damage a pump shaft.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a wear-resisting anti-deformation water pump axle sleeve, includes the cover seat and the cover body, be fixed with a plurality of liners along coaxial symmetry on the inner wall of the cover body, be provided with the inflation clearance between two adjacent liners, the oil filler groove has been seted up along circumference on the outer wall of the cover body, a plurality of oil filler points have evenly been seted up in the oil filler groove, a plurality of the oil filler point radially runs through the cover body and corresponds the liner to with inflation clearance one-to-one intercommunication, a plurality of oil storage holes have evenly been seted up on the inner wall of liner, a plurality of oil storage holes and oil filler point interval set up, the intercommunication has the logical groove between oil filler point and the adjacent oil storage hole.
The utility model is further provided with: the lining is made of wear-resistant ceramic and is arranged in an arc shape.
The utility model is further provided with: the oil injection groove is annular, and the groove width of the oil injection groove along the axial direction of the sleeve body is not smaller than the aperture of the oil injection hole.
The utility model is further provided with: the groove width of the through groove is smaller than the hole diameters of the oil storage hole and the oil filling hole, and the groove depth of the through groove is not larger than the hole depth of the oil storage hole.
The utility model is further provided with: the through grooves are mutually communicated to form a net structure, and the slit width of the expansion gap is equal to the slit width of the through groove.
The utility model is further provided with: the edges of the through groove, the expansion gap, the oil filling hole and the oil storage hole, which face the inner side of the liner, are provided with arc chamfers.
The utility model has the advantages that:
1. the annular oil injection groove is formed in the outer side of the sleeve body along the circumferential direction, a plurality of oil injection holes communicated with the inner wall of the gasket are uniformly formed in the oil injection groove, the groove width of the oil injection groove is large, lubricating oil is filled into the oil injection groove through an oil port preset in the pump body, and the lubricating oil enters the inner wall of the gasket through the oil injection holes, so that lubrication between the pump shaft and the shaft sleeve is ensured, and the operation is convenient;
2. the oil filling holes are correspondingly communicated with expansion gaps and through grooves, the through grooves form a net structure on the inner side of the gasket, lubricating oil is distributed on the inner side of the gasket through the through grooves and the expansion gaps by the oil filling holes, and in the rotation process of the pump shaft, the lubricating oil can be driven to be uniformly distributed between the pump shaft and the shaft sleeve, so that the lubricating effect is ensured, and the wear resistance is improved;
3. the inner side of the liner is provided with a plurality of oil storage holes which are communicated with the through grooves, and the aperture of each oil storage hole is larger than the groove width of each through groove, and the hole depth of each oil storage hole is not smaller than the groove depth of each through groove, so that more lubricating oil is reserved in each oil storage hole in the rotation process of the pump shaft, and when the lubricating oil in each through groove is lost, the oil reserved in each oil storage hole can be supplemented into each through groove, so that the lubricating effect is ensured, and the wear resistance is improved;
4. the liners are arc-shaped wear-resistant ceramic plates, an expansion gap is formed between every two adjacent liners, the wear-resistant ceramic plates are not easy to wear or deform, when the pump shaft rotates at a high speed relative to the shaft sleeve, the shaft sleeve is subjected to thermal expansion, deformation is released through extrusion expansion gaps, and the pump shaft is prevented from being damaged by inward extrusion;
5. the expansion gap, the through groove, the oil filling hole and the oil storage hole are provided with arc chamfers on the edges of the inner sides of the gaskets, so that abrasion to the pump shafts and the gaskets is reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a front view of the device shown in FIG. 1;
FIG. 3 is a right side view of the view shown in FIG. 1;
FIG. 4 is a schematic view of a cushion deployment configuration of the present utility model;
in the figure: 1. a sleeve seat; 2. a sleeve body; 3. a gasket; 4. an oil injection groove; 5. an oil filling hole; 6. an expansion gap; 7. a through groove; 8. and an oil storage hole.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.
Referring to fig. 1-4, the present utility model provides the following technical solutions:
the wear-resistant deformation-resistant water pump shaft sleeve comprises a sleeve seat 1, wherein the sleeve seat 1 is connected with a pump end cover and is used for fixing the shaft sleeve, a sleeve body 2 is arranged on the sleeve seat 1, the outer wall of the sleeve body 2 is in interference fit with the pump end cover, a pump shaft rotates in the sleeve body 2, a plurality of gaskets 3 are symmetrically fixed on the inner wall of the sleeve body 2 along the coaxial direction, the gaskets 3 are arc-shaped, and the inner wall of each gasket 3 is in clearance fit with the pump shaft; the liner 3 is wear-resistant ceramic, the surface of the wear-resistant ceramic is smooth, the pump shaft is not easy to wear when the wear-resistant ceramic rotates relative to the pump shaft, the wear-resistant ceramic has good wear resistance, high temperature resistance and deformation resistance, the wear-resistant ceramic is firmly bonded by adopting high-strength ceramic structural adhesive, the wear-resistant ceramic can be ensured to run at high temperature for a long time and not to fall off, and the service life of the shaft sleeve is prolonged.
An expansion gap 6 is reserved between two adjacent gaskets 3, and when the gaskets 3 are heated and expanded, deformation can be released through the expansion gap 6, so that the gaskets 3 are prevented from inwards extruding the pump shaft, smoothness of the contact surface of the shaft sleeve and the pump shaft is ensured, and abrasion of the gaskets 3 and the pump shaft is reduced.
The oil injection groove 4 is formed in the outer wall of the sleeve body 2 along the circumferential direction, the oil injection groove 4 is annular, the oil injection groove 4 is conveniently butted with the oil inlet position of the pump body when the shaft sleeve is installed, a plurality of oil injection holes 5 are uniformly formed in the oil injection groove 4, the aperture of the oil injection holes 5 is smaller than or equal to the groove width of the oil injection groove 4, and the oil injection holes 5 penetrate through the sleeve body 2 and the corresponding gaskets 3 along the radial direction; the lubricating oil is filled into the oil port on the pump body, the lubricating oil flows into the oil filling groove 4, and flows into the space between the shaft sleeve and the pump shaft through the oil filling hole 5, so that the operation is simple, the filling of the lubricating oil is convenient, more lubricating oil is filled, temporary storage can be carried out in the space formed by the oil filling groove 4 and the pump cover when the lubricating oil cannot completely flow into the oil filling hole 5, the lubricating oil can be continuously filled into the shaft sleeve, the operation of the pump shaft is ensured, and the wear resistance of a contact surface is improved.
The oil filling holes 5 are communicated with the expansion gaps 6 in a one-to-one correspondence manner, a plurality of oil storage holes 8 are uniformly formed in the inner wall of the gasket 3, the oil storage holes 8 are arranged at intervals with the oil filling holes 5, through grooves 7 are communicated between the oil filling holes 5 and the adjacent oil storage holes 8, the groove widths of the through grooves 7 are equal to those of the expansion gaps 6 and are smaller than the aperture of the oil filling holes 5, the contact area between the gasket 3 and the pump shaft is ensured, the pump shaft runs stably, an oil film is easily formed at the openings at the two ends of the shaft sleeve in a smaller flow area, and the flow of lubricating oil is reduced;
all through grooves 7 are communicated with each other to form a net structure, lubricating oil entering between the shaft sleeve and the pump shaft through the oil filling hole 5 is shunted on the circumference of the contact surface of the shaft sleeve and the pump shaft through the expansion gap 6 and the through grooves 7, and when the pump shaft rotates, the lubricating oil in the through grooves can be driven to be distributed on the whole contact surface, so that the lubricating effect between the shaft sleeve and the pump shaft is ensured, and the abrasion is reduced;
the aperture of the oil storage hole 8 is larger than the groove width of the through groove 7, the hole depth of the oil storage hole 8 is larger than or equal to the groove depth of the through groove 7, the oil storage hole 8 has larger capacity relative to the through groove 7 and can store a certain amount of lubricating oil, when the lubricating oil between the shaft sleeve and the pump shaft is lost, the lubricating oil stored in the oil storage hole 8 is supplemented into the through groove 7, the contact surface is lubricated along with the rotation of the pump shaft, continuous lubrication is guaranteed, and frequent filling of the lubricating oil is avoided.
All edges of the through groove 7, the expansion gap 6, the oil filling hole 5 and the oil storage hole 8 on the inner side of the liner 3 are provided with arc chamfers, and smooth contact surfaces are arranged, so that the edges of the holes and the grooves are prevented from scraping the pump shaft or being worn by the pump shaft when the liner 3 is deformed.
Specifically, annular oil injection groove 4 has been seted up along circumference in the cover body 2 outside, evenly is provided with a plurality of oil filler points 5 that are linked together with liner 3 inner wall in the oil injection groove 4, and the groove width of oil injection groove 4 is great, and the hydraulic fluid is filled to the oil injection groove 4 through the hydraulic fluid port of predetermineeing on the pump body, and lubricating oil rethread oil filler point 5 gets into liner 3 inner wall, the filling of lubricating oil of being convenient for.
The oil filling holes 5 are correspondingly communicated with the expansion gaps 6 and the through grooves 7, the through grooves 7 form a net structure on the inner side of the liner 3, lubricating oil is distributed on the inner side of the liner 3 through the through grooves 7 and the expansion gaps 6 by the oil filling holes 5, and in the rotation process of the pump shaft, the lubricating oil can be driven to be uniformly distributed between the pump shaft and the shaft sleeve, so that the lubricating effect is ensured, and the wear resistance is improved;
the inner side of the liner 3 is provided with a plurality of oil storage holes 8, the oil storage holes 8 are communicated with the through grooves 7, the aperture of each oil storage hole 8 is larger than the groove width of each through groove 7, and the hole depth of each oil storage hole 8 is not smaller than the groove depth of each through groove 7, so that more lubricating oil is reserved in each oil storage hole 8 in the rotation process of the pump shaft, when the lubricating oil in each through groove 7 flows out, the lubricating oil in each oil storage hole 8 can be supplemented into each through groove 7, the oil injection groove 4 also has a certain liquid storage function, and the oil storage holes 8 provide continuous supplement of the lubricating oil for the contact surface of the shaft sleeve and the pump shaft together, so that frequent filling of the lubricating oil is avoided, the lubricating effect is ensured, and the wear resistance is improved;
the liners 3 are arc-shaped wear-resistant ceramic plates, an expansion gap 6 is formed between every two adjacent liners 3, the wear-resistant ceramic is not easy to wear or deform, when the pump shaft rotates at a high speed relative to the shaft sleeve, the shaft sleeve is subjected to thermal expansion, deformation is released by extruding the expansion gap 6, and the pump shaft is prevented from being damaged by being extruded inwards;
the expansion gap 6, the through groove 7, the oil filling hole 5 and the oil storage hole 8 are provided with arc chamfers on the edges of the inner side of the gasket 3, so that abrasion to the pump shaft and the gasket 3 is reduced.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a wear-resisting anti-deformation water pump axle sleeve, includes cover seat (1) and cover body (2), its characterized in that: the novel oil filling device is characterized in that a plurality of gaskets (3) are fixed on the inner wall of the sleeve body (2) along coaxial symmetry, an expansion gap (6) is formed between every two adjacent gaskets (3), an oil filling groove (4) is formed in the outer wall of the sleeve body (2) along the circumferential direction, a plurality of oil filling holes (5) are uniformly formed in the oil filling groove (4), the oil filling holes (5) penetrate through the sleeve body (2) and the corresponding gaskets (3) along the radial direction and are communicated with the expansion gap (6) in a one-to-one correspondence manner, a plurality of oil storage holes (8) are uniformly formed in the inner wall of the gasket (3), a plurality of oil storage holes (8) are arranged at intervals with the oil filling holes (5), and through grooves (7) are formed in the communication between the oil filling holes (5) and the adjacent oil storage holes (8).
2. The wear resistant and deformation resistant water pump sleeve as recited in claim 1, wherein: the lining (3) is made of wear-resistant ceramic and is arc-shaped.
3. A wear resistant and deformation resistant water pump sleeve as in claim 2, wherein: the oil injection groove (4) is annular, and the groove width of the oil injection groove (4) along the axial direction of the sleeve body (2) is not smaller than the aperture of the oil injection hole (5).
4. A wear resistant and deformation resistant water pump sleeve as recited in claim 3, wherein: the groove width of the through groove (7) is smaller than the hole diameters of the oil storage hole (8) and the oil filling hole (5), and the groove depth of the through groove (7) is not larger than the hole depth of the oil storage hole (8).
5. The wear resistant and deformation resistant water pump sleeve as recited in claim 4, wherein: the through grooves (7) are mutually communicated to form a net structure, and the slit width of the expansion gap (6) is equal to the slit width of the through grooves (7).
6. The wear resistant and deformation resistant water pump sleeve as recited in claim 5, wherein: the edges of the through grooves (7), the expansion gaps (6), the oil filling holes (5) and the oil storage holes (8) facing the inner side of the liner (3) are provided with arc chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321265677.9U CN220037259U (en) | 2023-05-24 | 2023-05-24 | Wear-resisting anti-deformation water pump shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321265677.9U CN220037259U (en) | 2023-05-24 | 2023-05-24 | Wear-resisting anti-deformation water pump shaft sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037259U true CN220037259U (en) | 2023-11-17 |
Family
ID=88733338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321265677.9U Active CN220037259U (en) | 2023-05-24 | 2023-05-24 | Wear-resisting anti-deformation water pump shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037259U (en) |
-
2023
- 2023-05-24 CN CN202321265677.9U patent/CN220037259U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |