CN204493467U - Bearing (ball) cover and there is its bearing support - Google Patents
Bearing (ball) cover and there is its bearing support Download PDFInfo
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- CN204493467U CN204493467U CN201420826285.XU CN201420826285U CN204493467U CN 204493467 U CN204493467 U CN 204493467U CN 201420826285 U CN201420826285 U CN 201420826285U CN 204493467 U CN204493467 U CN 204493467U
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- bearing
- ball
- air vent
- hole
- installing blind
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Abstract
The utility model provides a kind of bearing (ball) cover and has its bearing support.Wherein, bearing (ball) cover, comprise: bearing installing blind, there is (11) at the bottom of hole and hole wall (12), hole wall (12) forms bearing inlet end (13), hole wall (12) is provided with air vent (14), the direction of air vent (14) (11) to bearing inlet end (13) at the bottom of hole extends, air vent (14) has the section of departing from departing from line stretcher (1), wherein, line stretcher (1) is the arbitrary line stretcher being parallel to the axis of bearing installing blind on hole wall (12).The technical solution of the utility model is being convenient to the reduction in working life bearings mounted basis can being avoided the motor rotated for driving bearing.
Description
Technical field
The utility model relates to bearing mounting technique field, in particular to a kind of bearing (ball) cover and the bearing support with it.
Background technique
Bearing (ball) cover has bearing installing blind, when bearing press-in bearing installing blind, the air in bearing installing blind will be contracted by quick contractive pressure, cause the hurried increase of air pressure, not only be not easy to bearing is installed, and cause the spoilage of bearing and bearing (ball) cover greatly to increase.At present, for solving the problems of the technologies described above, the name being 201320418439.7 as application number is called the utility application of " a kind of bearing (ball) cover ", the hole wall of bearing installing blind offers air vent, when bearing press-in bearing installing blind, gas in bearing installing blind is discharged through air vent, avoid the hurried increase of bearing installing blind air pressure, and then avoid bearing (ball) cover to damage, but, the bearing of trend of above-mentioned air vent and the parallel to an axis of bearing installing blind, that is, the a certain line stretcher being parallel to the axis of described bearing installing blind on described bearing installing blind hole wall can run through air vent, adopt said structure, the part that bearing outer ring contacts with bearing installing blind hole wall has air vent, the position that bearing installing blind hole wall appears in whole axis (i.e. above-mentioned a certain line stretcher) cannot provide support the region (i.e. air vent) of power to bearing, the rotor rotated for driving bearing inner ring is caused to bring periodic shock power by force unbalance to electric machine rotation like this, motor runs not steady, reduce the working life of motor.
Model utility content
The bearing support that the utility model aims to provide a kind of bearing (ball) cover being convenient to bearings mounted basis can be avoided reduce the working life of the motor rotated for driving bearing and has it.
To achieve these goals, according to an aspect of the present utility model, provide a kind of bearing (ball) cover, comprising: bearing installing blind, have at the bottom of hole and hole wall, hole wall forms bearing inlet end, hole wall is provided with air vent, and air vent extends at the bottom of hole to the direction of bearing inlet end, and air vent has the section of departing from departing from line stretcher, wherein, line stretcher is the arbitrary line stretcher being parallel to the axis of bearing installing blind on hole wall.
Further, the straight line that air vent edge and the axis of bearing installing blind tilt extends.
Further, air vent extends along camber line.
Further, air vent is curved on cross section, and this cross section orthogonal is in the axis of bearing installing blind.
Further, at the bottom of the hole of bearing installing blind, there is bearing inner race and dodge groove.
Further, bearing (ball) cover of the present utility model also comprises: lid, has bearing mounting end; Bearing mounting sleeve pipe, have bearing and install through hole, bearing mounting sleeve pipe is fixed on bearing mounting end, and the inner peripheral surface formation hole wall of through hole installed by bearing and bearing mounting end is formed at the bottom of hole, and air vent is be arranged on the groove installed on through hole.
Further, stiffening rib is connected with between the outer circumferential face of bearing mounting sleeve pipe and bearing mounting end.
Further, stiffening rib is multiple, and multiple stiffening rib uniform intervals in the circumference of bearing mounting sleeve pipe is arranged.
Further, air vent is multiple, and multiple air vent interval in the circumference of bearing installing blind is arranged.
According to another aspect of the present utility model, provide a kind of bearing support, comprise bearing (ball) cover, bearing (ball) cover is above-mentioned bearing (ball) cover.
Application the technical solution of the utility model, due to hole wall being provided with air vent, and described air vent extends at the bottom of described hole to the direction of described bearing inlet end, air vent must through bearing inlet end, therefore, when bearing stretches in bearing installing blind gradually through bearing inlet end, the gas in bearing installing blind can be discharged to the outside of bearing installing blind gradually through air vent, is convenient to like this install bearing.In addition, because described air vent has the section of departing from departing from line stretcher, wherein said line stretcher is the arbitrary line stretcher being parallel to the axis of described bearing installing blind on described hole wall, that is, air vent is not extend along line stretcher completely, line stretcher does not run through air vent, therefore, hole wall all has the position of spring bearing outer ring on arbitrary line stretcher, hole wall there will not be the region that cannot provide support power on whole axial position to bearing, avoid rotor by force unbalance and bring periodic shock power to electric machine rotation, improve motor traveling comfort, the reduction in motor working life can be avoided.As the above analysis, bearing (ball) cover of the present utility model is being convenient to the reduction in working life bearings mounted basis can being avoided the motor rotated for driving bearing.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the schematic front view of the embodiment according to bearing (ball) cover of the present utility model;
The A-A that Fig. 2 shows Fig. 1 middle (center) bearing end cap to cross-sectional schematic.
Wherein, the reference character in above-mentioned figure is as follows:
1, line stretcher; 11, at the bottom of hole; 12, hole wall; 13, bearing inlet end; 14, air vent; 15, bearing inner race dodges groove; 16, guide section; 20, lid; 21, bearing mounting end; 22, spacing back-up ring; 23, through hole is worn; 30, bearing mounting sleeve pipe; 31, stiffening rib.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As depicted in figs. 1 and 2, the bearing (ball) cover of the present embodiment comprises bearing installing blind, bearing installing blind to have at the bottom of hole 11 and hole wall 12, and hole wall 12 forms bearing inlet end 13, hole wall 12 is provided with air vent 14, the direction of air vent 14 11 to bearing inlet end 13 at the bottom of hole extends, air vent 14 has the section of departing from departing from line stretcher 1, and that is, the section of departing from does not overlap with this line stretcher 1, wherein, line stretcher 1 is the arbitrary line stretcher being parallel to the axis of bearing installing blind on hole wall 12.Certainly, for different line stretchers 1, the section of departing from of air vent 14 neither same position.
The bearing (ball) cover of application the present embodiment, due to hole wall 12 being provided with air vent 14, and the direction of air vent 14 11 to bearing inlet end 13 at the bottom of hole extends, air vent 14 must through bearing inlet end 13, therefore, when bearing stretches in bearing installing blind gradually through bearing inlet end 13, the gas in bearing installing blind can be discharged to the outside of bearing installing blind gradually through air vent 14, is convenient to like this install bearing.In addition, because air vent 14 has the section of departing from departing from line stretcher 1, wherein line stretcher 1 is the arbitrary line stretcher 1 being parallel to the axis of bearing installing blind on hole wall 12, that is, air vent 14 is not extend along line stretcher 1 completely, line stretcher 1 does not run through air vent 14, therefore, hole wall 12 all has the position of spring bearing outer ring on arbitrary line stretcher 1, hole wall 12 there will not be the region that cannot provide support power on whole axial position to bearing, avoid rotor by force unbalance and bring periodic shock power to electric machine rotation, improve motor traveling comfort, the reduction in motor working life can be avoided.As the above analysis, the bearing (ball) cover of the present embodiment is being convenient to the reduction in working life bearings mounted basis can being avoided the motor rotated for driving bearing.
As shown in Figure 2, in the present embodiment, the straight line that air vent 14 tilts along the axis with bearing installing blind extends, and above-mentioned air vent 14 is convenient to processing.Certainly, as feasible mode of execution, air vent 14 extends along camber line, adopts this structure can stablize the flow velocity of the gas of discharging through air vent 14, and then bearing is extend in bearing installing blind more reposefully.In addition, air vent 14 can extend along wave or helix, and air vent 14 entirety of above-mentioned four kinds of structures forms the section of departing from, and hole wall 12 pairs of bearing outer rings can be made to play more stable supporting effect.Certainly, air vent 14 can extend a segment distance along line stretcher 1 (i.e. the axis of bearing installing blind), and remaining part lateral deviation is from line stretcher 1.
As shown in Figure 1, in the present embodiment, air vent 14 is curved on cross section, and this cross section orthogonal is in the axis of bearing installing blind.Adopt said structure, gas stably can flow in air vent 14, and is convenient to lubricating oil flow.In the present embodiment, air vent 14 semicircular in shape on above-mentioned cross section.As feasible mode of execution, air vent 14 can be rectangular on above-mentioned cross section.
As depicted in figs. 1 and 2, in the present embodiment, at the bottom of the hole of bearing installing blind, 11 have bearing inner race and dodge groove 15.Because bearing inner race dodges the setting of groove 15, bearing inner race can be avoided 11 to contact with at the bottom of hole and hinder the rotation of bearing inner race.
As depicted in figs. 1 and 2, the bearing (ball) cover of the present embodiment also comprises lid 20 and bearing mounting sleeve pipe 30.Lid 20 has bearing mounting end 21.Bearing mounting sleeve pipe 30 has bearing and installs through hole, and bearing mounting sleeve pipe 30 is fixed on bearing mounting end 21, and the inner peripheral surface that through hole installed by bearing forms hole wall 12 and bearing mounting end 21 and to form at the bottom of hole 11, and air vent 14 is for being arranged on the groove installed on through hole.The air vent 14 of said structure can to extend at the bottom of hole 11, is convenient to further install bearing.In addition, as feasible mode of execution, bearing mounting sleeve pipe 30 can not be set, but lid 20 is designed thicker, and directly on bearing mounting end 21, offer bearing installing blind, only compare waste material like this, and the weight ratio of bearing (ball) cover is larger.
As depicted in figs. 1 and 2, in the present embodiment, stiffening rib 31 is connected with between the outer circumferential face of bearing mounting sleeve pipe 30 and bearing mounting end 21.The stability that stiffening rib 31 can improve bearing mounting sleeve pipe 30 is set, bearing mounting sleeve pipe 30 can be made to bear greater role power from bearing.In the present embodiment, stiffening rib 31 is triangle stiffening rib, and stiffening rib 31 is multiple (shown in Fig. 1 4), and multiple stiffening rib 31 uniform intervals in the circumference of bearing mounting sleeve pipe 30 is arranged.In the present embodiment, in the radial direction of bearing mounting sleeve pipe 30, stiffening rib 31 has the aligned portions at the center aiming at air vent 14, preferably, aligned portions is the center of stiffening rib 31, and that is, the center of air vent 14 is aimed at the center of stiffening rib 31, adopt this structure, farthest can reduce the impact of air vent 14 on the mechanical strength of bearing mounting sleeve pipe 30.
As depicted in figs. 1 and 2, in the present embodiment, hole wall 12 has guide section 16, the diameter of guide section 16 at the bottom of facing away from hiatus 11 direction on increase gradually, guide section 16 forms bearing inlet end 13.Guide section 16 pairs of bearings play leading role, are convenient to bearing and pass bearing inlet end 13 and enter bearing installing blind.Guide section 16 has annular guiding surface.
In the present embodiment, air vent 14 is multiple, and multiple air vent 14 interval in the circumference of bearing installing blind is arranged, and adopts said structure, the gas of bearing installing blind can be made to flow out fast, is convenient to further install bearing.As depicted in figs. 1 and 2, in the present embodiment, bearing mounting end 21 is provided with spacing back-up ring 22, bearing mounting sleeve pipe 30 is positioned at the region that spacing back-up ring 22 surrounds, that is, bearing mounting sleeve pipe 30 is positioned at the inner side of spacing back-up ring 22, when bearing mounting end 21 is installed to specified position, spacing back-up ring 22 pairs of bearing (ball) covers play positioning action, are convenient to bearing (ball) cover to be installed to specified position.Bearing mounting end 21 is provided with multiple wear bolt or screw wear through hole 23, multiple through hole 23 interval in the circumference of bearing installing blind that wears is arranged, and multiplely wears the outside that through hole 23 is all positioned at spacing back-up ring 22.
Present invention also provides a kind of bearing support (not shown), the bearing support of the present embodiment comprises bearing (ball) cover, and this bearing (ball) cover is the bearing (ball) cover of above-described embodiment.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a bearing (ball) cover, comprising:
Bearing installing blind, there is (11) at the bottom of hole and hole wall (12), described hole wall (12) forms bearing inlet end (13), described hole wall (12) is provided with air vent (14), described air vent (14) (11) at the bottom of described hole extends to the direction of described bearing inlet end (13), it is characterized in that, described air vent (14) has the section of departing from departing from line stretcher (1), wherein, described line stretcher (1) is the arbitrary line stretcher being parallel to the axis of described bearing installing blind on described hole wall (12).
2. bearing (ball) cover according to claim 1, is characterized in that, the straight line that described air vent (14) edge and the axis of described bearing installing blind tilt extends.
3. bearing (ball) cover according to claim 1, is characterized in that, described air vent (14) extends along camber line.
4. bearing (ball) cover according to claim 1, is characterized in that, described air vent (14) is curved on cross section, and this cross section orthogonal is in the axis of described bearing installing blind.
5. bearing (ball) cover according to claim 1, is characterized in that, (11) at the bottom of the hole of described bearing installing blind have bearing inner race and dodge groove (15).
6. bearing (ball) cover according to claim 1, is characterized in that, also comprises:
Lid (20), has bearing mounting end (21);
Bearing mounting sleeve pipe (30), there is bearing through hole is installed, described bearing mounting sleeve pipe (30) is fixed on described bearing mounting end (21), the inner peripheral surface of described bearing installation through hole forms described hole wall (12) and described bearing mounting end (21) forms (11) at the bottom of described hole, and described air vent (14) is for being arranged on the groove on described installation through hole.
7. bearing (ball) cover according to claim 6, is characterized in that, is connected with stiffening rib (31) between the outer circumferential face of described bearing mounting sleeve pipe (30) and described bearing mounting end (21).
8. bearing (ball) cover according to claim 7, is characterized in that, described stiffening rib (31) is for multiple, and described multiple stiffening rib (31) uniform intervals in the circumference of described bearing mounting sleeve pipe (30) is arranged.
9. bearing (ball) cover according to claim 1, is characterized in that, described air vent (14) is for multiple, and described multiple air vent (14) interval in the circumference of described bearing installing blind is arranged.
10. a bearing support, comprises bearing (ball) cover, it is characterized in that, the bearing (ball) cover of described bearing (ball) cover according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826285.XU CN204493467U (en) | 2014-12-23 | 2014-12-23 | Bearing (ball) cover and there is its bearing support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826285.XU CN204493467U (en) | 2014-12-23 | 2014-12-23 | Bearing (ball) cover and there is its bearing support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493467U true CN204493467U (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420826285.XU Active CN204493467U (en) | 2014-12-23 | 2014-12-23 | Bearing (ball) cover and there is its bearing support |
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| Country | Link |
|---|---|
| CN (1) | CN204493467U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782250A (en) * | 2014-12-23 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Bearing end cover and bearing seat provided with same |
| CN109944922A (en) * | 2019-05-06 | 2019-06-28 | 广西玉柴机器股份有限公司 | A kind of hot jacket bolt matable bent axle power output precision |
| CN110402334A (en) * | 2017-01-26 | 2019-11-01 | 博格华纳公司 | Ventilation bearing cage for turbomachinery |
-
2014
- 2014-12-23 CN CN201420826285.XU patent/CN204493467U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782250A (en) * | 2014-12-23 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Bearing end cover and bearing seat provided with same |
| CN110402334A (en) * | 2017-01-26 | 2019-11-01 | 博格华纳公司 | Ventilation bearing cage for turbomachinery |
| CN109944922A (en) * | 2019-05-06 | 2019-06-28 | 广西玉柴机器股份有限公司 | A kind of hot jacket bolt matable bent axle power output precision |
| CN109944922B (en) * | 2019-05-06 | 2024-03-26 | 广西玉柴机器股份有限公司 | Hot sleeve bolt fastening type crankshaft power output assembly |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |