CN217421600U - Bearing block and booster pump thereof - Google Patents

Abstract

The embodiment of the utility model discloses bearing frame, it includes: bearing frame base and annular connecting portion, the bearing frame base with annular connecting portion all are equipped with logical oil groove, the bearing frame base has seted up the lumen in the axial direction, annular connecting portion by the protruding stretching of lumen inner wall goes out, logical oil groove is used for carrying lubricating oil to the booster pump is interior. The utility model discloses a bearing frame structure has set up logical oil groove on the bearing frame, through lead to the oil groove and transport lubricating oil to the bearing assembly department of booster pump, form the oil film between pivot and bearing, form the oil film between thrust pad and thrust dish, thrust dish and oil blocking ring simultaneously, the protection product starts, moves, the stop state, avoids direct friction, improves product life.

Description

Bearing block and booster pump thereof

Technical Field

The utility model relates to a booster pump technical field especially relates to a bearing frame and booster pump thereof.

Background

Current mainstream technology booster pump bearing all adopts the air supporting bearing structure, and this technique is at during operation bearing and axle contactless, can long-time steady operation, and the main defect of current technique is start and stop moment, can dry friction between axle and bearing, causes the wearing and tearing of axle and bearing, generally opens and stops about the number of times 5000, and the use and the maintenance of product are very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a bearing frame structure to can produce the dry friction between current booster pump axis and bearing, cause the drawback of the wearing and tearing of axle and bearing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an embodiment of the utility model provides a bearing frame, it includes: bearing frame base and annular connecting portion, the bearing frame base with annular connecting portion all are equipped with logical oil groove, the lumen has been seted up to the bearing frame base in the axial direction, annular connecting portion by the protruding stretching of lumen inner wall is stretched and is gone out, logical oil groove is used for carrying lubricating oil in to the booster pump.

The side edge of the bearing seat base is provided with a first positioning part, and the first positioning part is an extending protrusion of the side edge of the bearing seat base.

The bearing seat comprises a bearing seat base, wherein a first oil passing hole is formed in the side edge of the bearing seat base and is a groove which is formed in the side edge of the bearing seat base and concaved inwards, and the first oil passing hole is used for discharging surplus lubricating oil.

Wherein, the logical oil groove includes: the bearing seat base comprises a first bearing seat channel, a second bearing seat channel and a first oil storage groove, wherein the first bearing seat channel is a through hole which is radially formed in the annular connecting portion, the second bearing seat channel is a through hole which is axially formed in the bearing seat base, the first oil storage groove is annularly formed along the inner wall of a pipe cavity of the annular connecting portion, and the first bearing seat channel is communicated with the first oil storage groove.

The bearing seat base comprises a first step surface and a second step surface, the second step surface is arranged on the first step surface, and the annular connecting portion is arranged on the second step surface.

A booster pump shaft comprising: the bearing assembly and the bearing seat are arranged in the stator device in a penetrating mode, the bearing assembly is connected to the bearing seat, and the bearing seat is used for supplying oil to the bearing assembly; the bearing seat base is abutted with the stator device through the arranged stepped surface; the stator device is further provided with an oil path channel, and the oil outlet end of the oil path channel is connected to the bearing seat.

Wherein the bearing assembly comprises: the bearing is arranged in the pipe cavity of the annular connecting part, and the rotating shaft penetrates through the bearing; a first bearing seat channel formed in the side wall of the bearing seat is communicated with the oil channel; the bearing is provided with a bearing channel, the first bearing seat channel is communicated with the bearing channel, and the bearing channel is communicated with the rotating shaft inwards.

The bearing assembly further comprises a thrust disc, a thrust pad and a supporting sleeve, the thrust pad and the supporting sleeve are sleeved on the rotating shaft, the thrust pad is located between the bearing and the supporting sleeve, the thrust pad is arranged in a pipe cavity of the bearing seat base, and the thrust disc is sleeved outside the supporting sleeve; the thrust disc is provided with a second oil storage groove and a radially extending thrust disc channel, the thrust disc channel is communicated with the second oil storage groove, the bearing seat is further provided with a second bearing seat channel, the second bearing seat channel is communicated with the second oil storage groove, and the second bearing seat channel is further communicated with the oil path channel.

The thrust disc is further provided with a second positioning portion and a second oil passing hole, the second positioning portion and the first positioning portion arranged on the bearing seat are jointly clamped in a limiting groove in the stator device, and the second oil passing hole and the first oil passing hole arranged on the bearing seat are jointly overlapped with an oil outlet hole in the stator device.

The bearing assembly further comprises an oil control ring, the oil control ring is arranged on one side, farther away from the center of the rotating shaft, of the supporting sleeve and the thrust disc, the rotating shaft is sleeved with the oil control ring, an oil control groove is further formed in the oil control ring, and a first sealing ring is arranged in the oil control groove.

Compared with the prior art, the utility model discloses a bearing frame structure has set up logical oil groove on the bearing frame, through lead to the oil groove and transport lubricating oil to the bearing assembly department of booster pump, form the oil film between pivot and bearing, at thrust pad and thrust dish, thrust dish and hinder the oil ring and form the oil film simultaneously, the protection product starts, moves, the off-state, avoids direct friction, improves product life.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic view of a bearing seat of the present invention;

fig. 2 is a schematic cross-sectional structure view of a bearing seat of the present invention;

fig. 3 is an assembled view of the bearing seat and the booster pump of the present invention;

FIG. 4 is a schematic cross-sectional view of an assembly of the bearing housing and its booster pump according to the present invention;

FIG. 5 is a schematic view of a portion of FIG. 4;

FIG. 6 is a schematic structural view of a bearing housing and a stator assembly of a booster pump according to the present invention;

FIG. 7 is a top view of a bearing housing and a stator assembly of a booster pump according to the present invention;

fig. 8 is a schematic view of a bearing structure of a bearing seat and a booster pump thereof according to the present invention;

fig. 9 is a schematic structural view of a thrust plate of a bearing block and a booster pump thereof according to the present invention;

the labels in the figures illustrate:

10. a booster pump housing; 20. a bearing seat; 21. a bearing seat base; 211. a first positioning portion; 212. a first oil passing hole; 213. a first step surface; 214. a second step surface; 22. an annular connecting portion; 231. a first bearing housing passage; 232. a second bearing housing passage; 233. a first oil storage groove; 30. a bearing assembly; 31. A bearing; 311. a bearing channel; 32. a thrust pad; 33. a thrust plate; 331. a second oil storage groove; 332. A thrust plate passage; 333. a second positioning portion; 334. a second oil passing hole; 34. a support sleeve; 35. an oil control ring; 351. a first seal ring; 36. a rotating shaft; 40. a stator arrangement; 41. an oil road channel; 42. a limiting groove; 43. an oil outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the terminology used in the description presented above should not be understood as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Referring to fig. 1 to 2, an embodiment of the present invention provides a bearing pedestal and a booster pump thereof, including: bearing frame base 21 and annular connecting portion 22, bearing frame base 21 with annular connecting portion 22 all is equipped with leads to the oil groove, bearing frame base 21 has seted up the lumen in the axial direction, annular connecting portion 22 by the protruding stretching of lumen inner wall and stretching out, lead to the oil groove and be used for carrying lubricating oil to the booster pump in. Optionally, a bearing 31 may be installed in the lumen of the annular connecting portion 22, lubricating oil may be delivered to the bearing 31 installed therein through the oil through groove, and the lumen of the bearing seat base 21 may also provide a working environment for other components.

The side of the bearing seat base 21 is provided with a first positioning portion 211, the first positioning portion 211 is an extending protrusion of the side of the bearing seat base 21, the first positioning portion 211 can be clamped and fixed with a stator device 40 in the booster pump, and the radial movement and the rotation movement of the bearing seat base 21 can be limited by the clamping of the first positioning portion 211.

Further, a first oil passing hole 212 is further formed in a side edge of the bearing seat base 21, the first oil passing hole 212 is a concave groove formed in the side edge of the bearing seat base 21, and the first oil passing hole 212 is used for discharging excess lubricating oil.

Wherein, the logical oil groove includes: first bearing frame passageway 231, second bearing frame passageway 232 and first oil storage recess 233, first bearing frame passageway 231 is radially the through-hole that opens on the annular connecting portion 22, second bearing frame passageway 232 is the through-hole that opens on the bearing frame base 21 axially, first oil storage recess 233 follows the lumen inner wall annular of annular connecting portion 22 sets up, first bearing frame passageway 231 communicates in first oil storage recess 233, first oil storage recess 233 can be with by the lubricating oil evenly distributed who first bearing frame passageway 231 carried on the bearing side wall of installation in the bearing frame 20.

Specifically, the bearing seat base 21 includes a first step surface 213 and a second step surface 214, the second step surface 214 is disposed on the first step surface 213, and the annular connecting portion 22 is disposed on the second step surface 214. First step face 213 and second step face 214 cooperation of bearing frame base 21 connect in stator device 40, will bearing frame base 21 sets up to the step face can be connected inseparabler with the stator device 40 in the booster pump, reduces the oil leak.

Referring to fig. 3 to 9, the present embodiment further discloses a booster pump, including: a stator device 40, a bearing assembly 30 and the bearing seat 20 as described above, wherein the bearing assembly 30 and the bearing seat 20 are arranged through the stator device 40, the bearing assembly 30 is connected to the bearing seat 20, and the bearing seat 20 is used for supplying oil to the bearing assembly 30; the bearing seat base 21 is abutted with the stator device 40 through a set stepped surface; the stator device 40 is further provided with an oil passage 41, and an oil outlet end of the oil passage 41 is connected to the bearing seat 20. The stator device 40 provides a working space for the bearing assembly 30 and the bearing housing 20, the bearing housing 20 is disposed outside the bearing assembly 30 in a matching manner, and oil is transported to the bearing housing 20 through the oil passage 41 and then transported to the bearing assembly 30 through the bearing housing 20. In this embodiment, the booster pump further comprises a booster pump housing 10.

Wherein the bearing assembly 30 includes: the bearing 31 is arranged in the cavity of the annular connecting part 22, and the rotating shaft 36 penetrates through the bearing 31; a first bearing seat channel 231 formed in the side wall of the bearing seat 20 is communicated with the oil passage channel 41; the bearing 31 is provided with a bearing passage 311, the first bearing seat passage 231 is communicated with the bearing passage 311, and the bearing passage 311 leads to the rotating shaft 36. After the lubricating oil passes through the oil passage 41 to reach the bearing seat 20, the lubricating oil firstly passes through the bearing seat 20 at the outermost layer through the first bearing seat passage 231, flows from the first bearing seat passage 231 to the bearing passage 311, and then flows from the bearing passage 311 to the rotating shaft 36, at this time, the lubricating oil forms a layer of oil film between the rotating shaft 36 and the bearing 31, and direct friction between the rotating shaft 36 and the bearing 31 is avoided.

Specifically, the bearing assembly 30 further includes a thrust disk 33, a thrust pad 32 and a support sleeve 34, the thrust pad 32 and the support sleeve 34 are both sleeved on the rotating shaft 36, the thrust pad 32 is located between the bearing 31 and the support sleeve 34, the thrust pad 32 is arranged in a pipe cavity of the bearing seat base 21, and the thrust disk 33 is sleeved outside the support sleeve 34; the thrust disk 33 is provided with a second oil storage groove 331 and a radially extending thrust disk passage 332, the thrust disk passage 332 is communicated with the second oil storage groove 331, the bearing seat 20 is further provided with a second bearing seat passage 232, the second bearing seat passage 232 is communicated with the second oil storage groove 331, and the second bearing seat passage 232 is further communicated with the oil passage 41. The thrust disk 33 is connected to the stator device 40, and the thrust pad 32 is connected to the rotating shaft 36, thereby providing an axial limit for the rotating shaft 36 from the thrust pad 32 to the thrust disk 33. When the lubricating oil reaches the thrust disk 33 through the passage of the second front bearing seat 20, the lubricating oil enters the second oil reservoir 331, then flows into the thrust disk passage 332 through the second oil reservoir 331, flows to the inner ring of the thrust disk 33 through the thrust disk passage 332, and flows upward and downward from the inner ring of the thrust disk 33 to the upper and lower surfaces of the thrust disk 33 to form oil films, respectively.

Furthermore, the thrust disk 33 is further designed with a second positioning portion 333 and a second oil passing hole 334, the second positioning portion 333 and the first positioning portion 211 provided on the bearing seat 20 are jointly clamped in the limit groove 42 in the stator device 40, and the second oil passing hole 334 and the first oil passing hole 212 provided on the bearing seat 20 are jointly overlapped with the oil outlet hole 43 on the stator device 40. The first positioning portion 211, the second positioning portion 333 and the limiting groove 42 are clamped together, so that the thrust disc 33 and the bearing seat 20 cannot perform a rotational motion; the first oil passing hole 212 is a concave notch on the front bearing seat 20, the second oil passing hole 334 is a concave notch on the thrust plate 33, the positions of the notches coincide with the oil outlet 43 of the stator device 40, and the excess lubricating oil flows out of the first oil passing hole 212 and the second oil passing hole 334 and falls into the oil outlet 43, and is discharged through the oil outlet 43.

The bearing assembly 30 further includes an oil control ring 35, the oil control ring 35 is disposed on one side of the support sleeve 34 and the thrust disk 33, which is farther from the center of the rotating shaft 36, the oil control ring 35 is sleeved on the rotating shaft 36, the oil control ring 35 is further provided with an oil control groove, and the oil control groove is provided with a first sealing ring 351. The oil control ring 35 is connected to the rotating shaft 36 and disposed above the thrust plate 33, so as to axially limit the rotating shaft 36 from the oil control ring 35 to the thrust plate 33, and the oil control ring 35 can also prevent the outflow of the lubricating oil, the oil control ring 35 is further provided with the first seal ring 351, the first seal ring 351 is elastically disposed, and is tightly attached to the motor housing, and if the lubricating oil flows out to the first seal ring 351, the lubricating oil will be blocked.

Compared with the prior art, the utility model discloses a bearing frame structure has set up logical oil groove on the bearing frame, through lead to the oil groove and transport lubricating oil to the bearing assembly department of booster pump, form the oil film between pivot and bearing, at thrust pad and thrust dish, thrust dish and hinder the oil ring and form the oil film simultaneously, the protection product starts, moves, the off-state, avoids direct friction, improves product life.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A bearing housing, comprising: bearing frame base and annular connecting portion, the bearing frame base with annular connecting portion all are equipped with logical oil groove, the lumen has been seted up to the bearing frame base in the axial direction, annular connecting portion by the protruding stretching of lumen inner wall is stretched and is gone out, logical oil groove is used for carrying lubricating oil in to the booster pump.

2. The bearing seat according to claim 1, wherein the side of the seat base is provided with a first positioning portion, and the first positioning portion is an extending protrusion of the side of the seat base.

3. The bearing seat according to claim 2, wherein a first oil passing hole is further formed in a side edge of the seat base, the first oil passing hole is a concave groove formed in the side edge of the seat base, and the first oil passing hole is used for discharging excess lubricating oil.

4. The bearing housing according to claim 1, wherein said oil through groove comprises: the bearing seat base comprises a first bearing seat channel, a second bearing seat channel and a first oil storage groove, wherein the first bearing seat channel is a through hole which is radially formed in the annular connecting portion, the second bearing seat channel is a through hole which is axially formed in the bearing seat base, the first oil storage groove is annularly formed along the inner wall of a pipe cavity of the annular connecting portion, and the first bearing seat channel is communicated with the first oil storage groove.

5. The bearing seat according to claim 1, wherein said bearing seat base includes a first step surface and a second step surface, said second step surface being disposed on said first step surface, said annular connecting portion being disposed on said second step surface.

6. A booster pump, comprising: a stator arrangement, a bearing assembly and a bearing housing according to any one of claims 1 to 5, the bearing assembly and the bearing housing being disposed through the stator arrangement, the bearing assembly being connected to the bearing housing, the bearing housing being adapted to feed oil to the bearing assembly; the bearing seat base is abutted with the stator device through a set stepped surface; the stator device is also provided with an oil passage, and the oil outlet end of the oil passage is connected to the bearing seat.

7. The booster pump of claim 6, wherein the bearing assembly comprises: the bearing is arranged in the pipe cavity of the annular connecting part, and the rotating shaft penetrates through the bearing; a first bearing seat channel formed in the side wall of the bearing seat is communicated with the oil channel; the bearing is provided with a bearing channel, the first bearing seat channel is communicated with the bearing channel, and the bearing channel is communicated with the rotating shaft inwards.

8. The booster pump of claim 7, wherein the bearing assembly further comprises a thrust disk, a thrust pad, and a support sleeve, the thrust pad and the support sleeve are both sleeved on the rotating shaft, the thrust pad is located between the bearing and the support sleeve, the thrust pad is arranged in a tube cavity of the bearing seat base, and the thrust disk is sleeved outside the support sleeve; the thrust disc is provided with a second oil storage groove and a radially extending thrust disc channel, the thrust disc channel is communicated with the second oil storage groove, the bearing seat is further provided with a second bearing seat channel, the second bearing seat channel is communicated with the second oil storage groove, and the second bearing seat channel is further communicated with the oil path channel.

9. The booster pump as claimed in claim 8, wherein the thrust plate further has a second positioning portion and a second oil passing hole, the second positioning portion and the first positioning portion of the bearing seat are jointly engaged with a limiting groove of the stator assembly, and the second oil passing hole and the first oil passing hole of the bearing seat are jointly overlapped with an oil outlet of the stator assembly.

10. The booster pump of claim 9, wherein the bearing assembly further comprises an oil control ring, the oil control ring is disposed on a side of the support sleeve and the thrust disk farther from a center of the rotating shaft, the oil control ring is sleeved on the rotating shaft, the oil control ring is further provided with an oil control groove, and the oil control groove is provided with a first sealing ring.

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