CN216767838U - Fan bearing box with good sealing performance - Google Patents
Fan bearing box with good sealing performance Download PDFInfo
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- CN216767838U CN216767838U CN202122723941.6U CN202122723941U CN216767838U CN 216767838 U CN216767838 U CN 216767838U CN 202122723941 U CN202122723941 U CN 202122723941U CN 216767838 U CN216767838 U CN 216767838U
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- main shaft
- circular groove
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Abstract
The utility model relates to a fan bearing box with good sealing performance.A left end and a right end of a box body are respectively and fixedly provided with an end cover, the end covers are provided with round holes for main shafts to penetrate through, and sealing rings are arranged between the round holes and the main shafts; the outer side of the end cover is provided with a round platform which is coaxial with the main shaft, one end of the round platform, which is far away from the box body, is coaxially provided with a round groove, one end of the round platform, which is far away from the box body, is also detachably provided with a round cover body, one side of the round groove, which is close to the box body, is coaxially provided with a first round groove, one side of the first round groove, which is close to the box body, is coaxially provided with a second round groove, an annular sealing sleeve is arranged between the second round groove and the main shaft, the inner wall of the sealing sleeve is uniformly provided with a plurality of oil slingers which protrude inwards at intervals at the left and right, and oil absorbent cotton is arranged between the first round groove and the main shaft; the sealing sleeve and the oil absorption cotton are both arranged in the circular groove on the outer side of the end cover, so that the cover body is conveniently detached from the circular table, and the sealing sleeve and the oil absorption cotton are conveniently replaced.
Description
Technical Field
The utility model relates to the technical field of bearing boxes, in particular to a fan bearing box with good sealing performance.
Background
In a rotating machine, bearings are generally lubricated by engine oil, but a bearing box is difficult to be tightly sealed, and oil leakage often occurs. The oil leakage phenomenon of the bearing box not only causes the waste of lubricating oil, but also pollutes equipment, the ground and the environment. On eliminating bearing box oil leak problem, often adopt to install seal member such as oil slinger additional, the seal member of current bearing box generally sets up in the inboard of bearing box end cover, when needs are changed seal member, needs dismantle whole bearing box, wastes time and energy, for this reason is necessary to make the improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a fan bearing box with good sealing performance, and the sealing part is convenient to replace so as to solve the problems in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the fan bearing box with good sealing performance comprises a box body, wherein a bearing is arranged in the box body, a main shaft is connected onto the bearing, end covers are fixedly arranged at the left end and the right end of the box body respectively, a round hole for the main shaft to penetrate out is formed in each end cover, and a sealing ring is arranged between each round hole and the main shaft; a circular truncated cone which is coaxial with the spindle is arranged on the outer side of the end cover, a circular groove is coaxially formed in one end, away from the box body, of the circular truncated cone, a circular cover body can be detachably mounted at one end, away from the box body, of the circular truncated cone, and a through hole through which the spindle penetrates is formed in the cover body; a first circular groove is coaxially arranged on one side, close to the box body, of the circular groove, a second circular groove is coaxially arranged on one side, close to the box body, of the first circular groove, the second circular groove is communicated with the circular hole, an annular sealing sleeve is arranged between the second circular groove and the main shaft, a plurality of oil retainer rings protruding inwards are uniformly arranged on the inner wall of the sealing sleeve at intervals from left to right, and oil absorption cotton is arranged between the first circular groove and the main shaft; the bottom of the circular groove is provided with an oil drain hole penetrating through the circular truncated cone downwards, and the bottom of the circular truncated cone is screwed with an oil drain bolt matched with the oil drain hole.
As a preferred technical scheme, the outer side of the circular truncated cone is provided with an external thread, and the inner side of the cover body is provided with an internal thread matched with the external thread of the circular truncated cone; the outer peripheral surface of the cover body is provided with a waist-shaped hole, and when the cover body is screwed on the circular truncated cone, the waist-shaped hole is superposed with the oil drain hole; the cover is equipped with on the oil drain bolt and is located the latch segment of the bottom of lid, be equipped with on the latch segment with the arcwall face of laminating mutually of the outer peripheral face of lid, be equipped with a plurality of sand grips that extend about the axis is evenly spaced on the outer peripheral face of lid, be equipped with the confession on the arcwall face the recess that the sand grip card was gone into.
As a further improvement, a sealing cushion layer is arranged on one side of the cover body, which is in contact with the circular truncated cone.
As a further improvement, the main shaft is sleeved with an oil baffle plate positioned in the circular groove.
As a further improvement, an annular groove is arranged on the outer side of the main shaft in the circular groove, and the oil baffle plate is embedded in the annular groove.
Has the advantages that:
by adopting the technical scheme, the fan bearing box with good sealing performance comprises a box body, wherein a bearing is arranged in the box body, a main shaft is connected onto the bearing, end covers are fixedly arranged at the left end and the right end of the box body respectively, a round hole for the main shaft to penetrate out is formed in each end cover, and a sealing ring is arranged between each round hole and the main shaft; a circular table which is coaxial with the spindle is arranged on the outer side of the end cover, a circular groove is coaxially formed in one end, away from the box body, of the circular table, a circular cover body can be detachably mounted at one end, away from the box body, of the circular table, and a through hole through which the spindle penetrates is formed in the cover body; a first circular groove is coaxially arranged on one side, close to the box body, of the circular groove, a second circular groove is coaxially arranged on one side, close to the box body, of the first circular groove, the second circular groove is communicated with the circular hole, an annular sealing sleeve is arranged between the second circular groove and the main shaft, a plurality of oil retainer rings protruding inwards are uniformly arranged on the inner wall of the sealing sleeve at intervals from left to right, and oil absorption cotton is arranged between the first circular groove and the main shaft; the bottom of the circular groove is provided with an oil drain hole which penetrates through the circular truncated cone downwards, and the bottom of the circular truncated cone is screwed with an oil drain bolt matched with the oil drain hole;
the circular groove can temporarily store oil leaked from the circular hole, so that the oil is prevented from flowing out to pollute the box body and the end cover;
the inner wall of the sealing sleeve is uniformly provided with a plurality of oil slingers which protrude inwards at intervals from left to right, the oil in the box body can be effectively reduced from leaking outwards from the round hole by the plurality of oil slingers, and the sealing effect is better;
the sealing sleeve and the oil absorption cotton are both arranged in the circular groove on the outer side of the end cover, so that the cover body is conveniently detached from the circular table, and the sealing sleeve and the oil absorption cotton are conveniently replaced;
according to the oil drain structure, the oil drain bolt is screwed into the oil drain hole, the oil drain bolt drives the arc-shaped surface on the locking block to be tightly attached to the bottom of the cover body, and the raised line positioned at the bottom of the cover body is clamped into the groove of the locking block, so that the rotation of the cover body is limited, and the cover body is prevented from being loosened accidentally.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of an end cap according to an embodiment of the utility model;
FIG. 3 is a left side schematic view of the cover of FIG. 2;
fig. 4 is a bottom schematic view of the cover of fig. 2.
In the figure: 1-a box body; 2-a bearing; 3-a main shaft; 4-end cover; 5-a circular hole; 6-sealing ring; 7-a circular truncated cone; 8-circular groove; 9-a cover body; 10-a via hole; 11-a first circular groove; 12-a second circular groove; 13-sealing sleeve; 14-a slinger; 15-oil absorbent cotton; 16-oil drain hole; 17-oil drain bolt; 18-kidney shaped holes; 19-a locking block; 20-arc surface; 21-convex strips; 22-a groove; 23-a sealing cushion layer; 24-oil baffle; 25-annular groove.
Detailed Description
As shown in fig. 1 to 4, the fan bearing box with good sealing performance comprises a box body 1, a bearing 2 is arranged in the box body 1, a main shaft 3 is connected onto the bearing 2, end covers 4 are fixedly arranged at the left end and the right end of the box body 1 respectively, a round hole 5 for the main shaft 3 to penetrate out is formed in each end cover 4, and a sealing ring 6 is arranged between each round hole 5 and the corresponding main shaft 3 and used for reducing outward leakage of oil in the box body 1 from the round holes 5. A circular table 7 which is coaxial with the spindle 3 is arranged on the outer side of the end cover 4, a circular groove 8 is coaxially arranged at one end, away from the box body 1, of the circular table 7, a circular cover body 9 can be detachably mounted at one end, away from the box body 1, of the circular table 7, the cover body 9 seals the opening of the circular groove 8, the circular groove 8 can temporarily store oil leaked from the circular hole 5, and the oil is prevented from flowing out and polluting the box body 1 and the end cover 4; the cover body 9 is provided with a via hole 10 for the spindle 3 to penetrate out, the inner diameter of the via hole 10 is larger than the outer diameter of the spindle 3, and the spindle 3 is prevented from being damaged by friction of the spindle 3 and the via hole 10. A first circular groove 11 is coaxially arranged on one side, close to the box body 1, of the circular groove 8, an annular sealing sleeve 13 is arranged between the first circular groove 11 and the main shaft 3, a plurality of inward-protruding oil baffle rings 14 are uniformly arranged on the inner wall of the sealing sleeve 13 at intervals from left to right, the oil baffle rings 14 can effectively reduce outward leakage of oil in the box body 1 from the circular hole 5, and the sealing effect is better; an oil absorption cotton 15 is arranged between the first circular groove 11 and the main shaft 3 and used for absorbing oil liquid seeped out from the circular hole 5 and preventing the oil liquid from being thrown away by the main shaft 3. Because the sealing sleeve 13 and the oil absorption cotton 15 are wearing parts, when the sealing property of the bearing box is reduced due to the fact that the sealing sleeve 13 and the oil absorption cotton 15 are worn, the cover body 9 can be detached from the circular truncated cone 7, and the sealing sleeve 13 and the oil absorption cotton 15 can be replaced, so that the sealing property of the bearing box is guaranteed. The bottom of circular recess 8 is equipped with and pierces through downwards the oil drain hole 16 of round platform 7, the bottom of round platform 7 revolve close with oil drain bolt 17 of oil drain hole 16 assorted, not hard up oil drain bolt 17 can be discharged the fluid of keeping in the circular recess 8 to avoid the liquid level in the circular recess 8 to cross via hole 10 and lead to fluid to spill over and make dirty box 1 and end cover 4.
The outer side of the circular truncated cone 7 is provided with an external thread, the inner side of the cover body 9 is provided with an internal thread matched with the external thread of the circular truncated cone 7, and the cover body 9 is convenient to disassemble and assemble in a threaded connection mode. A waist-shaped hole 18 is formed in the outer peripheral surface of the cover body 9, and when the cover body 9 is screwed on the circular truncated cone 7, the waist-shaped hole 18 is overlapped with the oil drain hole 16; the cover is equipped with on the oil drain bolt 17 and is located the latch segment 19 of the bottom of lid 9, be equipped with on the latch segment 19 with the arcwall face 20 that the outer peripheral face of lid 9 was laminated mutually, be equipped with a plurality of sand grips 21 of extending about the axis evenly spaced on the outer peripheral face of lid 9, be equipped with the confession on the arcwall face 20 the recess 22 that sand grip 21 card was gone into.
When the cover body 9 and the oil drain bolt 17 are installed, firstly, the cover body 9 is screwed on the outer side of the circular truncated cone 7 and screwed, the waist-shaped hole 18 is overlapped with the oil drain hole 16, then the locking block 19 is sleeved on the oil drain bolt 17, the oil drain bolt 17 is screwed into the oil drain hole 16, the oil drain hole 16 is blocked by the oil drain bolt 17, meanwhile, the oil drain bolt 17 drives the arc-shaped surface 20 on the locking block 19 to be tightly attached to the bottom of the cover body 9, and the raised strip 21 positioned at the bottom of the cover body 9 is clamped into the groove 22 of the locking block 19, so that the rotation of the cover body 9 is limited, and the cover body 9 is prevented from being loosened accidentally.
And a sealing cushion layer 23 is arranged on one side of the cover body 9, which is in contact with the circular truncated cone 7, and is used for preventing oil from leaking between the cover body 9 and the circular truncated cone 7.
The spindle 3 is sleeved with an oil baffle 24 positioned in the circular groove 8 and used for preventing oil from flowing out along the spindle 3 outwards through the through hole 10 on the cover body 9.
Be located in circular recess 8 the outside of main shaft 3 is equipped with ring channel 25, oil baffle 24 inlays in the ring channel 25 for avoid oil baffle 24 to slide along main shaft 3 at will, oil baffle 24 is the rubber oil baffle in this embodiment, has certain elasticity, easy to assemble.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. Good fan bearing box of leakproofness, its characterized in that: the box body is internally provided with a bearing, the bearing is connected with a main shaft, the left end and the right end of the box body are respectively and fixedly provided with an end cover, the end covers are provided with round holes for the main shaft to penetrate out, and a sealing ring is arranged between the round holes and the main shaft; a circular truncated cone which is coaxial with the spindle is arranged on the outer side of the end cover, a circular groove is coaxially formed in one end, away from the box body, of the circular truncated cone, a circular cover body can be detachably mounted at one end, away from the box body, of the circular truncated cone, and a through hole through which the spindle penetrates is formed in the cover body; a first circular groove is coaxially arranged on one side, close to the box body, of the circular groove, a second circular groove is coaxially arranged on one side, close to the box body, of the first circular groove, the second circular groove is communicated with the circular hole, an annular sealing sleeve is arranged between the second circular groove and the main shaft, a plurality of oil retainer rings protruding inwards are uniformly arranged on the inner wall of the sealing sleeve at intervals from left to right, and oil absorption cotton is arranged between the first circular groove and the main shaft; the bottom of the circular groove is provided with an oil drain hole penetrating through the circular truncated cone downwards, and the bottom of the circular truncated cone is screwed with an oil drain bolt matched with the oil drain hole.
2. A good sealing fan bearing housing as set forth in claim 1, wherein: the outer side of the circular truncated cone is provided with an external thread, and the inner side of the cover body is provided with an internal thread matched with the external thread of the circular truncated cone; a waist-shaped hole is formed in the peripheral surface of the cover body, and when the cover body is screwed on the circular truncated cone, the waist-shaped hole is overlapped with the oil drain hole; the cover is equipped with on the oil drain bolt and is located the latch segment of the bottom of lid, be equipped with on the latch segment with the arcwall face of laminating mutually of the outer peripheral face of lid, be equipped with a plurality of sand grips that extend about the axis is evenly spaced on the outer peripheral face of lid, be equipped with the confession on the arcwall face the recess that the sand grip card was gone into.
3. A fan bearing housing as claimed in claim 1, having good sealing properties, wherein: and a sealing cushion layer is arranged on one side of the cover body, which is in contact with the circular truncated cone.
4. A good sealing fan bearing housing as set forth in claim 1, wherein: the main shaft is sleeved with an oil baffle plate positioned in the circular groove.
5. A good-sealing fan bearing box as in claim 4, characterized in that: and an annular groove is formed in the outer side of the main shaft in the circular groove, and the oil baffle plate is embedded in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122723941.6U CN216767838U (en) | 2021-11-08 | 2021-11-08 | Fan bearing box with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122723941.6U CN216767838U (en) | 2021-11-08 | 2021-11-08 | Fan bearing box with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767838U true CN216767838U (en) | 2022-06-17 |
Family
ID=81960900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122723941.6U Active CN216767838U (en) | 2021-11-08 | 2021-11-08 | Fan bearing box with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767838U (en) |
-
2021
- 2021-11-08 CN CN202122723941.6U patent/CN216767838U/en active Active
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