CN210799724U - Double-half outer ring and double-row angular contact ball bearing - Google Patents
Double-half outer ring and double-row angular contact ball bearing Download PDFInfo
- Publication number
- CN210799724U CN210799724U CN201921818718.6U CN201921818718U CN210799724U CN 210799724 U CN210799724 U CN 210799724U CN 201921818718 U CN201921818718 U CN 201921818718U CN 210799724 U CN210799724 U CN 210799724U
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- Prior art keywords
- double
- skirt edge
- outer ring
- angular contact
- ball
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- Expired - Fee Related
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- 238000005096 rolling process Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a double-half outer ring double-row angular contact ball bearing, which comprises an outer ring, a retainer positioned at the inner side of the outer ring, balls movably arranged on the retainer, and an inner ring used for supporting the balls; the retainer comprises an annular connecting part, a first skirt edge arranged on one side of the connecting part and used for bearing and mounting the ball, and a second skirt edge arranged on the other side of the connecting part and also used for bearing and mounting the ball, wherein the first skirt edge and the second skirt edge are gradually inclined and reduced by taking the radius of the connecting part as a starting point; this retainer of two half outer lane biserial angular contact ball bearing kind has the first shirt rim and the second shirt rim that dwindles gradually through extending in the both sides of connecting portion to first shirt rim mounting hole and second shirt rim mounting hole set to the dislocation on first shirt rim and the second shirt rim, are favorable to improving the rolling stability of ball, also improve the limit load of material bearing simultaneously, have prolonged the life of bearing.
Description
Technical Field
The utility model particularly relates to a two half outer lane biserial angular contact ball bearing.
Background
The friction between the rolling body and the flange of the ferrule is small, and the bearing is suitable for high-speed rotation. Depending on whether the ferrule has a flange or not, single-row bearings such as NU, NJ, NUP, N, NF, etc., and double-row bearings such as NNU, NN, etc., may be classified. The bearing is a structure with a separable inner ring and an outer ring. The inner ring and the outer ring of the cylindrical roller bearing without the flanges can move relatively in the axial direction, so the cylindrical roller bearing can be used as a free end bearing. The cylindrical roller bearing is characterized in that one side of the inner ring and one side of the outer ring are provided with double flanges, and the ring on the other side is provided with a single flange, so that the cylindrical roller bearing can bear axial load in one direction to a certain degree. A steel plate stamped cage or a copper alloy lathed cage is generally used. However, a retainer is partially formed of polyamide.
The prior bearings are designed to position two parts relative to each other and to ensure that they rotate freely while transferring the load between them. Due to the stability of the common angular contact ball bearing, the bearing capacity and the service life of the common angular contact ball bearing are limited, and the outline dimension of the common angular contact ball bearing cannot meet the specific working condition strips.
Disclosure of Invention
In view of this, the utility model aims at providing a be favorable to improving the rolling stability of ball, also improve the limit load of material bearing simultaneously, prolonged bearing life's double-half outer lane double row angular contact ball bearing.
In order to solve the technical problem, the technical scheme of the utility model is that:
a double-half outer ring and double-row angular contact ball bearing comprises an outer ring, a retainer positioned on the inner side of the outer ring, a ball movably arranged on the retainer, and an inner ring used for supporting the ball; the retainer comprises an annular connecting part, a first skirt edge and a second skirt edge, wherein the first skirt edge is arranged on one side of the connecting part and used for bearing and mounting the ball, the second skirt edge is arranged on the other side of the connecting part and used for bearing and mounting the ball, and the first skirt edge and the second skirt edge are arranged by gradually inclining and reducing the starting point by taking the radius of the connecting part as the starting point.
Preferably, the connecting part is provided with an arc-shaped groove.
Preferably, the first skirt edge is provided with a plurality of first skirt edge mounting holes in clearance fit with the balls, and the second skirt edge is also provided with a plurality of second skirt edge mounting holes in clearance fit with the balls.
Preferably, the first skirt edge mounting hole and the second skirt edge mounting hole are arranged in a staggered mode.
Preferably, the outer lane includes that the inboard corresponds complex first outer half-turn for being that the semicircle sets up, and with the ball to and with first outer half-turn symmetry set up, and inboard for being that the semicircle sets up, correspond complex second outer half-turn with the ball, still including the card strip that is used for locking first outer half-turn and second outer half-turn.
Preferably, the first outer half turn surface is provided with a first fitting groove, and the second outer half turn surface is provided with a second fitting groove.
Preferably, ball slides are arranged on two side parts of the inner ring facing to one side surface of the outer ring.
The utility model discloses technical effect mainly embodies in following aspect: this retainer of two half outer lane biserial angular contact ball bearing kind has the first shirt rim and the second shirt rim that dwindles gradually through extending in the both sides of connecting portion to first shirt rim mounting hole and second shirt rim mounting hole set to the dislocation on first shirt rim and the second shirt rim, are favorable to improving the rolling stability of ball, also improve the limit load of material bearing simultaneously, have prolonged the life of bearing.
Drawings
Fig. 1 is a structural diagram of a double-half outer ring and double-row angular contact ball bearing of the present invention;
FIG. 2 is a block diagram of the cage of FIG. 1;
fig. 3 is a cross-sectional view of the retainer a-a of fig. 2.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right side", "left end", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
Examples
A double-half outer ring and double-row angular contact ball bearing is shown in figure 1 and comprises an outer ring 1, a retainer 2 positioned on the inner side of the outer ring 1, balls 3 movably arranged on the retainer 2 and an inner ring 4 used for supporting the balls 3; the outer ring 1 comprises a first outer half ring 11 which is arranged in a semicircular mode on the inner side and corresponds to and is matched with the ball 3, a second outer half ring 12 which is arranged in a semicircular mode on the inner side and corresponds to and is matched with the ball 3 and is symmetrical to the first outer half ring 11, and a clamping strip 13 which is used for locking the first outer half ring 11 and the second outer half ring 12. The surface of the first outer half ring 11 is provided with a first embedding groove 111, the surface of the second outer half ring 12 is provided with a second embedding groove 121, and after the first outer half ring 11 and the second outer half ring 12 are attached, the position of the first embedding groove 111 corresponds to the position of the second embedding groove 121, so that the clamping strip 13 is conveniently embedded, and the first outer half ring 11 and the second outer half ring 12 are fixed. Two side parts of the inner ring 4 facing one side surface of the outer ring 1 are provided with ball slideways 41, and the balls 3 can roll around the inner ring 4 through the ball slideways 41, so that the failure is not easy to occur.
As shown in fig. 2-3, the retainer 2 includes an annular connecting portion 21, a first skirt 22 disposed on one side of the connecting portion 21 and used for supporting and mounting the balls 3, and a second skirt 22 disposed on the other side of the connecting portion 21 and also used for supporting and mounting the balls 3, where the first skirt 22 and the second skirt 22 are gradually inclined and reduced from a starting point of a radius of the connecting portion 21, and correspondingly fit with the ball 3 accommodating space between the outer ring 1 and the inner ring 4, so that the balls 3 can rotate more smoothly. Be provided with arc-shaped groove 211 on connecting portion 21, can make things convenient for lubricating oil to fall on inner circle 4 through arc-shaped groove 211, lubricate ball 3. The first skirt 22 is provided with a plurality of first skirt mounting holes 221 in clearance fit with the balls 3, and the second skirt 23 is also provided with a plurality of second skirt mounting holes 231 in clearance fit with the balls 3. The first skirt edge mounting hole 221 and the second skirt edge mounting hole 231 are arranged in a staggered mode, so that the bearing pressure of the balls 3 between the outer ring 1 and the inner ring 4 is uniform, and the abrasion of the balls 3 is reduced.
The utility model discloses technical effect mainly embodies in following aspect: this retainer of two half outer lane biserial angular contact ball bearing kind has the first shirt rim and the second shirt rim that dwindles gradually through extending in the both sides of connecting portion to first shirt rim mounting hole and second shirt rim mounting hole set to the dislocation on first shirt rim and the second shirt rim, are favorable to improving the rolling stability of ball, also improve the limit load of material bearing simultaneously, have prolonged the life of bearing.
Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.
Claims (7)
1. A double-half outer ring and double-row angular contact ball bearing comprises an outer ring, a retainer positioned on the inner side of the outer ring, a ball movably arranged on the retainer, and an inner ring used for supporting the ball; the method is characterized in that: the retainer comprises an annular connecting part, a first skirt edge and a second skirt edge, wherein the first skirt edge is arranged on one side of the connecting part and used for bearing and mounting the ball, the second skirt edge is arranged on the other side of the connecting part and used for bearing and mounting the ball, and the first skirt edge and the second skirt edge are arranged by gradually inclining and reducing the starting point by taking the radius of the connecting part as the starting point.
2. The double half outer ring double row angular contact ball bearing according to claim 1, wherein: the connecting part is provided with an arc-shaped groove.
3. The double half outer ring double row angular contact ball bearing according to claim 1, wherein: a plurality of first skirt edge mounting holes in clearance fit with the balls are formed in the first skirt edge, and a plurality of second skirt edge mounting holes in clearance fit with the balls are also formed in the second skirt edge.
4. A double half outer ring double row angular contact ball bearing according to claim 3, wherein: the first skirt edge mounting hole and the second skirt edge mounting hole are arranged in a staggered mode.
5. The double half outer ring double row angular contact ball bearing according to claim 1, wherein: the outer lane includes that the inboard corresponds the first outer half-turn of complex for being that the semicircle sets up, and with the ball to and set up with first outer half-turn symmetry, and inboard correspond the outer half-turn of complex second for being that the semicircle sets up, with the ball, still including the card strip that is used for locking first outer half-turn and the outer half-turn of second.
6. The double half outer ring double row angular contact ball bearing according to claim 5, wherein: the first outer semi-circle surface is provided with a first tabling groove, and the second outer semi-circle surface is provided with a second tabling groove.
7. The double half outer ring double row angular contact ball bearing according to claim 1, wherein: and ball slideways are arranged on the two sides of one side surface of the inner ring facing the outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818718.6U CN210799724U (en) | 2019-10-25 | 2019-10-25 | Double-half outer ring and double-row angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818718.6U CN210799724U (en) | 2019-10-25 | 2019-10-25 | Double-half outer ring and double-row angular contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799724U true CN210799724U (en) | 2020-06-19 |
Family
ID=71225992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921818718.6U Expired - Fee Related CN210799724U (en) | 2019-10-25 | 2019-10-25 | Double-half outer ring and double-row angular contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210799724U (en) |
-
2019
- 2019-10-25 CN CN201921818718.6U patent/CN210799724U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 |