CN1831353A - Sealing bearing system and its assembling method - Google Patents
Sealing bearing system and its assembling method Download PDFInfo
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- CN1831353A CN1831353A CN 200510053338 CN200510053338A CN1831353A CN 1831353 A CN1831353 A CN 1831353A CN 200510053338 CN200510053338 CN 200510053338 CN 200510053338 A CN200510053338 A CN 200510053338A CN 1831353 A CN1831353 A CN 1831353A
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- bearing
- rotating shaft
- bearing support
- sealing
- stuffing box
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- Sliding-Contact Bearings (AREA)
Abstract
The invention relates to a sealed bearing system and the assembling method thereof, comprising hollow bearing seat with two open ends, sliding bearing arranged in the bearing seat, rotating shaft with one end extending through the sliding bearing into the bearing seat and the other end arranged outside the bearing seat, sealing cover for sealing the lower-end opening of the bearing seat, and sealing sleeve, and it uses the sealing sleeve and the sealing cover to seal the two open ends of the bearing seat to seal lubricant in the bearing seat to keep the sliding bearing and the rotating shaft in a lubricating state, thus having advantages of prolonging service life the sliding bearing, reducing noises, uneasy to leak oil, and dust-proofing.
Description
Technical field
The present invention relates to sliding bearing, particularly be applied to the sealed journal bearing structure and the assembling method thereof of fan motor.
Background technique
With respect to ball bearing,, and be applied in the fan motor widely because the standard sliding bearing has the advantage of low cost, vibration resistance and low noise in the first half in its working life.Yet in the use later stage of sliding bearing, because the incorrect sealing of sliding bearing has brought leakage of oil and contamination by dust, with respect to rolling bearing, the working life of sliding bearing is lower, and has higher noise.
For the working life, minimizing noise and the minimizing leakage of oil that improve sliding bearing, some manufacturers have used some follow-on sliding bearing structures under the prerequisite that does not increase cost.
As shown in Figure 1, be a kind of structure of improved sliding bearing 20, its main feature is offered multiple tracks groove 21 at the outer surface of bearing 20, thereby forms the circuit oil circuit, thereby improves the performance of bearing.
In order to access the level and smooth action of longer time, can offer lubricant oil at the inwall of the axis hole of sliding bearing and store hole 22, as shown in Figure 2; Also can on the outer wall of axle, offer lubricant oil and store hole 22, as shown in Figure 3; Can certainly be simultaneously on the outer wall of the axis hole of bearing and axle, offer, thereby guarantee that lubricant oil can keep within it for a long time, play the effect of lubricating bearings, make that the smooth-acting time of axle in bearing is longer.
In order to prevent the leakage of lubricant oil, can be at sealing cover 40 of the bottom of bearing support 10 seal welding, thus prevent that lubricant oil from leaking from the bottom, as shown in Figure 4.
Though above-mentioned bearing structure has solved the shortcoming of part sliding bearing, still exist in the opposite side generation leakage of oil of bearing and be subjected to the shortcoming of the pollution of dust.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of sealing bearing system that can the thorough seal bearing is provided.
Another technical problem that will solve of the present invention is, a kind of assembling method of sealing bearing system that can the thorough seal bearing is provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of sealing bearing system is provided, the quill shaft bearing that comprises both ends open, be arranged on the sliding bearing in the described bearing support, one end passes described sliding bearing and stretches into described bearing support, the other end and be located at the outer rotating shaft of described bearing support, and the sealing cover that seals the lower ending opening of described bearing support, be provided with inlay card in the upper end of described bearing support at described opening periphery and stuffing box gland that tightly be enclosed within described rotating shaft periphery.
The described stuffing box gland of above-mentioned sealing bearing system comprises the cylinder body of hollow; The diameter of the hollow space of described main body is greater than the diameter of described rotating shaft, and the side of described main body in the described bearing support joining portion of contracting in being provided with, and the internal diameter at described joining portion is less than the diameter of described rotating shaft.
The external frame at the described joining portion of above-mentioned sealing bearing system is taper.
The periphery of the upper end open of the described bearing support of above-mentioned sealing bearing system is provided with inwardly outstanding flange, and the periphery of the main body of described stuffing box gland is provided with the draw-in groove that cooperates with the flange of described bearing support.
The end that the described rotating shaft of above-mentioned sealing bearing system passes described bearing offers annular slotted, is arranged with the block circle on the described fluting.
The described rotating shaft of above-mentioned sealing bearing system a section between described stuffing box gland and described bearing is provided with annular slotted, is arranged with the block circle on the described fluting.
The width of the fluting between described stuffing box gland and described bearing of the described rotating shaft of above-mentioned sealing bearing system is greater than the fluting of described rotating shaft end.
The end of the described rotating shaft of above-mentioned sealing bearing system is a spheroidal.
The present invention solves the technological scheme that its another technical problem adopts: a kind of method of assembling sealing bearing system is provided, may further comprise the steps:
S1: the draw-in groove of stuffing box gland is arranged in the periphery of the upper end open of bearing support, described stuffing box gland is fixed on the described bearing support;
S2: the inside of rotating shaft one end being stretched into described bearing support by described stuffing box gland;
S3: sliding bearing is inserted from the bottom of described bearing support, and be set in described rotating shaft periphery;
S4: on the fluting of the lower end of described rotating shaft, put the block circle;
S5: packing lubrication oil in the cavity of described bearing support, with the bottom end opening of the described bearing support of sealing cover fixing seal.
The method of above-mentioned assembling sealing bearing system is further comprising the steps of between step S2 and the S3: seal ring is fixed on described rotating shaft on one section annular slotted between described stuffing box gland and the described bearing.
Compared with prior art, utilize the sealing bearing system of method assembling of the present invention, use stuffing box gland and sealing cover sealed bearing openings at two ends respectively, with seal oil in bearing support, keep sliding bearing and rotating shaft to be in lubricating status, thereby have working life, minimizing noise, not easy oil leakage, the dust-tight advantage that improves sliding bearing.
Description of drawings
Below in conjunction with drawings and Examples sealing bearing system of the present invention and assembling method thereof are described further, in the accompanying drawing:
Fig. 1 is the schematic representation that existing outer surface has the sliding bearing of groove.
Fig. 2 is that existing inwall is provided with the schematic representation that the sliding bearing that stores the hole cooperates with rotating shaft.
Fig. 3 is that existing outer wall is provided with the schematic representation that the rotating shaft that stores the hole cooperates with sliding bearing.
Fig. 4 has the schematic representation that is provided with sealing cover in the bottom of bearing support now.
Fig. 5 is the assembling schematic representation of sealing bearing system of the present invention.
Fig. 6 is the assembling schematic representation that the rotating shaft of sealing bearing system of the present invention offers two flutings.
Embodiment
Below in conjunction with accompanying drawing sealing bearing system of the present invention is described in further detail.
Be illustrated in figure 5 as the embodiment of sealing bearing system of the present invention, comprise that the quill shaft bearing 10 of both ends open, sliding bearing 20, an end that is installed in the described bearing support 10 pass sealing cover 40 and the stuffing box gland 50 that described sliding bearing 20 stretches into the rotating shaft 30 of described bearing support 10 and seals described quill shaft bearing 10 both ends opens respectively.
Described bearing support 10 forms the ccontaining cavity 11 of lubricant oil under the sealing of described sealing cover 40 and stuffing box gland 50, seal oil can be preserved within it, make and the work under the good lubricating status that remains between sliding bearing 20 and the rotating shaft 30 improve operating life.The lower ending opening of described bearing support 10 and described sealing cover 40 are by being welded to connect, thereby with the lower end sealing of described bearing support 10.The upper end open of described bearing support 10 is provided with inwardly outstanding flange 12, and described stuffing box gland 50 corresponding described flanges 12 are provided with draw-in groove 51 in described stuffing box gland 50 peripheries, thereby can be with described stuffing box gland 50 inlay cards on described bearing support 10, and plays seal action.
Described stuffing box gland 50 comprises the cylinder-shaped body 52 of hollow, the joining portion 53 of contracting in the end of described main body 52 in described bearing support 10 is provided with.The diameter of the hollow space of described main body 52 is greater than the diameter of described rotating shaft 30; And the diameter at described joining portion 53 reduces gradually, the diameter of its end is slightly less than the diameter of described rotating shaft 30, thereby by behind the described stuffing box gland 50, described joining portion 53 can fit tightly on the surface of described rotating shaft 30, thereby the opening of described bearing support 10 is sealed fully in described rotating shaft 30.The external frame at described joining portion 53 is taper, thereby lubricant oil can be in its surperficial arc be back to the cavity 11 of bearing support 10.
Described sliding bearing 20 is installed in the cavity 11 of described bearing support 10, and an end of described rotating shaft 30 passes described sliding bearing 20 and stretches in the cavity 11 of described bearing support 10, and its other end is then fixedlyed connected with impeller 60.One section the end that described rotating shaft 30 passes described sliding bearing 20 is a spheroidal, thereby when play takes place in described rotating shaft 30, the spheroidal part of described rotating shaft 30 can form point with the sealing cover 40 that is installed in described bearing support 10 bottoms and contact, and reduces friction, and increases the service life.And under the less situation of size, the top position of described spheroidal end offers annular slotted 31, on described fluting 31, be arranged with block circle 32 (as shown in Figure 5), thereby can prevent that described rotating shaft 30 and described sliding bearing 20 break away from, and guarantee its working stability.Certainly under larger-size situation, described rotating shaft 30 can also be offered annular slotted 31a on one section circumference between described stuffing box gland 50 and the described bearing, and is arranged with block circle 32a (as shown in Figure 6) on described fluting 31a.Two flutings 31, the distances between the 31a equate or are slightly larger than the length of described sliding bearing 20, thereby guarantee the quality of fit of described rotating shaft 30 and described sliding bearing 20; Guaranteed that described rotating shaft 30 can not produce very big axial float with described sliding bearing 20 when work; And two flutings 31, the distance between the 31a are approaching more with the length of described sliding bearing 20, and the quality of fit between described rotating shaft 30 and the described sliding bearing 20 is accurate more; In addition, described block circle 32a can also block when work the lubricant oil of seepage between described rotating shaft 30 and the described sliding bearing 20, make lubricant oil can remain in the ccontaining cavity 11a in top of described bearing support 10.The width of fluting 31a between described stuffing box gland 50 and described bearing is greater than the fluting 31 of described rotating shaft 30 ends, thereby the thickness of the corresponding block circle 32a that is enclosed within the fluting 31a between described stuffing box gland 50 and the described bearing is greater than the block circle 32 of the fluting 31 that is enclosed within described rotating shaft 30 ends, thereby when assembling, can not be stuck on the fluting 31 of rotating shaft 30 ends ease of assembly at the block circle 32a between described stuffing box gland 50 and the described bearing.
In assembling during above-mentioned sealing bearing system, the draw-in groove 51 of described stuffing box gland 50 is fastened on the flange 12 of upper end open of described bearing support 10, thereby described stuffing box gland 50 is fixed on the described bearing support 10.The other end of the described rotating shaft 30 that the impeller 60 of an end and fan is fixed stretches into the ccontaining cavity 11 of described bearing support 10 then.When offering in the described rotating shaft 30 under two flutings 31, the situation of 31a, earlier a block circle 32a is inserted on the fluting 31a of upper end of described rotating shaft 30, be inserted in described sliding bearing 20 then and be enclosed within described rotating shaft 30 peripheries; To having only the situation of a fluting 31, then directly be inserted in described sliding bearing 20.Then, on the fluting 31 of the lower end of described rotating shaft 30, put block circle 32, thereby guarantee that described rotating shaft 30 can not break away from described sliding bearing 20.Packing lubrication oil in the cavity 11 of described bearing support 10 with the bottom end opening of the described bearing support 10 of sealing cover 40 fixing seals, is finished assembling then.
Claims (10)
1, a kind of sealing bearing system, the quill shaft bearing that comprises both ends open, be arranged on the sliding bearing in the described bearing support, one end passes described sliding bearing and stretches into described bearing support, the other end and be located at the outer rotating shaft of described bearing support, and the sealing cover that seals the lower ending opening of described bearing support, it is characterized in that, be provided with inlay card in the upper end of described bearing support at described opening periphery and stuffing box gland that tightly be enclosed within described rotating shaft periphery.
2, sealing bearing system according to claim 1 is characterized in that, described stuffing box gland comprises the cylinder body of hollow; The diameter of the hollow space of described main body is greater than the diameter of described rotating shaft, and the side of described main body in the described bearing support joining portion of contracting in being provided with, and the internal diameter at described joining portion is less than the diameter of described rotating shaft.
3, sealing bearing system according to claim 2 is characterized in that, the external frame at described joining portion is taper.
4, sealing bearing system according to claim 3 is characterized in that, the periphery of the upper end open of described bearing support is provided with inwardly outstanding flange, and the periphery of the main body of described stuffing box gland is provided with the draw-in groove that cooperates with the flange of described bearing support.
5, sealing bearing system according to claim 1 is characterized in that, the end that described rotating shaft passes described bearing offers annular slotted, is arranged with the block circle on the described fluting.
6, sealing bearing system according to claim 5 is characterized in that, described rotating shaft a section between described stuffing box gland and described bearing is provided with annular slotted, is arranged with the block circle on the described fluting.
7, sealing bearing system according to claim 6 is characterized in that, the width of the fluting between described stuffing box gland and described bearing of described rotating shaft is greater than the fluting of described rotating shaft end.
According to claim 6 or 7 described sealing bearing systems, it is characterized in that 8, the end of described rotating shaft is a spheroidal.
9, a kind of method of assembling sealing bearing system is characterized in that, may further comprise the steps:
S1: the draw-in groove of stuffing box gland is arranged in the periphery of the upper end open of bearing support, described stuffing box gland is fixed on the described bearing support;
S2: the inside of rotating shaft one end being stretched into described bearing support by described stuffing box gland;
S3: sliding bearing is inserted from the bottom of described bearing support, and be set in described rotating shaft periphery;
S4: on the fluting of the lower end of described rotating shaft, put the block circle;
S5: packing lubrication oil in the cavity of described bearing support, with the bottom end opening of the described bearing support of sealing cover fixing seal.
10, the method for assembling sealing bearing system according to claim 9 is characterized in that, further comprising the steps of between step S2 and the S3: seal ring is fixed on described rotating shaft on one section annular slotted between described stuffing box gland and the described bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510053338A CN100593647C (en) | 2005-03-08 | 2005-03-08 | Sealing bearing system and its assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510053338A CN100593647C (en) | 2005-03-08 | 2005-03-08 | Sealing bearing system and its assembling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1831353A true CN1831353A (en) | 2006-09-13 |
| CN100593647C CN100593647C (en) | 2010-03-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510053338A Expired - Fee Related CN100593647C (en) | 2005-03-08 | 2005-03-08 | Sealing bearing system and its assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100593647C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010108394A1 (en) * | 2009-03-25 | 2010-09-30 | 中山大洋电机制造有限公司 | Self-oiling sliding bearing system and electric machine using same |
| CN102192180A (en) * | 2010-03-15 | 2011-09-21 | 可斯塔·佩龙尼斯 | Sealed bearing system and air fan |
-
2005
- 2005-03-08 CN CN200510053338A patent/CN100593647C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010108394A1 (en) * | 2009-03-25 | 2010-09-30 | 中山大洋电机制造有限公司 | Self-oiling sliding bearing system and electric machine using same |
| CN102192180A (en) * | 2010-03-15 | 2011-09-21 | 可斯塔·佩龙尼斯 | Sealed bearing system and air fan |
| CN102192180B (en) * | 2010-03-15 | 2013-12-04 | 可斯塔·佩龙尼斯 | Sealed bearing system and air fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100593647C (en) | 2010-03-10 |
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