CN211117166U - Retainer of deep groove ball bearing - Google Patents
Retainer of deep groove ball bearing Download PDFInfo
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- CN211117166U CN211117166U CN201922132453.0U CN201922132453U CN211117166U CN 211117166 U CN211117166 U CN 211117166U CN 201922132453 U CN201922132453 U CN 201922132453U CN 211117166 U CN211117166 U CN 211117166U
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Abstract
The utility model relates to the field of bearing manufacturing, and discloses a retainer of a deep groove ball bearing, which comprises a retainer main body, wherein the retainer main body is in a circular ring shape, the inner diameter of the retainer main body is matched with the inner diameter of a bearing outer ring, steel ball pocket grooves are arranged on the upper side wall of the retainer main body, and the steel ball pocket grooves are circular arc-shaped holes, in the retainer of the deep groove ball bearing, when the bearing rotates through a deep groove ball in the retainer main body, the inner walls of two groups of steel ball pocket plates are extruded by the deep groove ball to ensure that the two groups of steel ball pocket plates shrink towards the direction of pocket plate springs, when the two groups of steel ball pocket plates shrink, a V-shaped groove between the two groups of steel ball pocket plates is gradually enlarged, and two groups of extrusion blocks are extruded by the two groups of extrusion block springs to further advance towards the inner parts of the V-shaped grooves on the two groups of steel ball pocket plates so as to enlarge the moving range of the deep groove ball and reduce the contact of, thereby reducing friction and improving service life.
Description
Technical Field
The utility model relates to a bearing field of making especially relates to a deep groove ball bearing's holder.
Background
Cage (i.e., bearing cage, also known as a bearing retainer) refers to a bearing component that partially encases all or part of the rolling elements and moves with them to isolate the rolling elements and generally also guide and retain them within the bearing.
The deep groove ball is buckled in the retainer and is in a close fit state with the retainer, so that certain friction force can be generated during rotation, and particularly when the bearing rotates at a high speed, the rotation speed of the deep groove ball is increased, so that the friction is increased, and the damage of the deep groove ball is increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model mainly solves the technical problem existing in the prior art and provides a retainer of a deep groove ball bearing.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the following technical scheme that the retainer of the deep groove ball bearing comprises a retainer main body, wherein the retainer main body is in a circular ring shape, the inner diameter of the retainer main body is matched with the inner diameter of a bearing outer ring, steel ball pocket grooves are formed in the upper side wall of the retainer main body, the steel ball pocket grooves are circular arc-shaped holes, the steel ball pocket grooves penetrate through the side wall of the retainer main body and are communicated with the inner ring of the retainer main body, the side wall of the steel ball pocket grooves in the retainer main body is concave towards the position away from the circle center of the steel ball pocket grooves, the side wall of the steel ball pocket grooves in the retainer main body is matched with the outer sides of steel balls, steel ball pocket plates are arranged in the steel ball pocket grooves, the steel ball pocket plates are semicircular arc-shaped blocks, the inner rings of the steel ball pocket plates are matched with the outer side wall of the steel balls, the crossing department of two sets of steel ball pocket boards has seted up "V" word groove, and is two sets of one side fixed mounting that steel ball pocket board kept away from each other has pocket plate spring, and the one end fixed mounting that two sets of pocket plate springs kept away from each other is on the inside lateral wall of retainer main part in steel ball pocket groove.
Preferably, the equal fixed mounting in both ends has the extrusion piece spring about the inside lateral wall of retainer main part in steel ball pocket groove, and two sets of extrusion piece springs correspond each other with the crossing department's of two sets of steel ball pocket boards "V" word groove respectively, and is two sets of one side fixed mounting that the extrusion piece spring is close to each other has the limiting plate, and the limiting plate is arc platelike, and the length of limiting plate is greater than the maximum width in "V" word groove that forms between two sets of steel ball pocket boards.
Preferably, two sets of one side fixed mounting that the limiting plate is close to each other has the extrusion piece, and the extrusion piece is trapezoidal arc piece, and the extrusion piece widens gradually from one side of being close to steel ball pocket groove centre of a circle position to one side of keeping away from steel ball pocket groove centre of a circle position, and the maximum width of extrusion piece is the same with the maximum width in "V" word groove on two sets of steel ball pocket plates, and the thickness of extrusion piece is the same with steel ball pocket plate thickness size.
Preferably, two sets of a lateral wall face that the steel ball pocket board is close to each other agrees with each other with the inside wall face of two sets of steel ball pocket boards, and the side slope of two sets of extrusion pieces is the same with the side slope of "V" word groove on two sets of steel ball pocket boards, and two sets of extrusion pieces buckle "V" word inslot portion on two sets of steel ball pocket boards.
Advantageous effects
The utility model provides a deep groove ball bearing's holder. The method has the following beneficial effects:
(1) this deep groove ball bearing's holder, when the bearing rotates through the inside deep groove ball of holder main part, rotate through deep groove ball and produce the inner wall of two sets of steel ball pocket boards of power extrusion, make two sets of steel ball pocket boards shrink to pocket plate spring's direction, when two sets of steel ball pocket boards shrink, thereby "V" word groove between two sets of steel ball pocket boards enlarges gradually, thereby two sets of extrusion pieces are through two sets of extrusion piece spring extrusion further to the inside contact that promotes of enlarging the home range of deep groove ball and steel ball pocket board of "V" word groove on two sets of steel ball pocket boards, thereby reduce frictional force and improve life.
(2) Thereby, this deep groove ball bearing's holder, thereby two sets of extrusion pieces are through two sets of extrusion piece spring extrusion further to when "V" word inslot on two sets of steel ball pocket boards impels, through two sets of restriction board restrictions make the extrusion piece can not excessively make the rotation that the extrusion piece influences deep groove ball through two sets of extrusion piece spring extrusions to avoid the extrusion piece extrusion to excessively lead to the unable pivoted condition of deep groove ball to take place.
Drawings
Fig. 1 is a schematic view of the overall structure of the retainer of the deep groove ball bearing of the present invention;
fig. 2 is a schematic view of a local structure of the steel ball pocket groove of the present invention.
Illustration of the drawings:
1 holder main part, 2 steel ball pocket grooves, 3 steel ball pocket plates, 4 pocket plate springs, 5 extrusion block springs, 6 limiting plates and 7 extrusion blocks.
The specific implementation mode is as follows:
the technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in figures 1-2, a retainer of a deep groove ball bearing comprises a retainer body 1, wherein the retainer body 1 is circular ring-shaped, the inner diameter of the retainer body 1 is matched with the inner diameter of a bearing outer ring, steel ball pocket grooves 2 are formed in the upper side wall of the retainer body 1, the steel ball pocket grooves 2 are circular arc-shaped holes, the steel ball pocket grooves 2 penetrate through the side wall of the retainer body 1 and are communicated with the inner ring of the retainer body 1, the side walls of the steel ball pocket grooves 2 in the retainer body 1 are concave towards the position away from the circle center of the steel ball pocket grooves 2, the side walls of the steel ball pocket grooves 2 in the retainer body 1 are matched with the outer sides of steel balls, steel ball pocket plates 3 are arranged in the steel ball pocket grooves 2, the steel ball pocket plates 3 are semicircular arc-shaped blocks, the inner rings of the steel ball pocket plates 3 are matched with the outer side walls of the steel balls, the steel ball pocket plates 3 are arranged in two groups, and the two, the crossing position of two groups of steel ball pocket plates 3 is provided with a V-shaped groove, one side of the two groups of steel ball pocket plates 3 which are far away from each other is fixedly provided with pocket plate springs 4, the pocket plate springs 4 are the disclosed technology and are not repeated herein, one ends of the two groups of pocket plate springs 4 which are far away from each other are fixedly arranged on the side wall of the steel ball pocket groove 2 in the holder main body 1, the two groups of steel ball pocket plates 3 are tightly attached through the extrusion of the two groups of pocket plate springs 4, the upper end and the lower end of the side wall of the steel ball pocket groove 2 in the holder main body 1 are fixedly provided with extrusion block springs 5, the extrusion block springs 5 are the disclosed technology and are not repeated herein, the pressure coefficient of the extrusion block springs 5 is smaller than that of the pocket plate springs 4, the two groups of extrusion block springs 5 respectively correspond to the V-shaped groove at the crossing position of the two groups of steel ball pocket plates 3, one side of the two groups of extrusion block springs 5 which are, the limiting plates 6 are arc-shaped plates, the length of the limiting plates 6 is greater than the maximum width of a V-shaped groove formed between the two groups of steel ball pocket plates 3, the two groups of limiting plates 6 are fixedly provided with an extrusion block 7 at one side close to the circle center of the steel ball pocket plate 2, the extrusion block 7 is a trapezoidal arc-shaped block, the extrusion block 7 gradually widens from one side close to the circle center of the steel ball pocket plate 2 to one side far away from the circle center of the steel ball pocket plate 2, the maximum width of the extrusion block 7 is the same as the maximum width of the V-shaped groove on the two groups of steel ball pocket plates 3, the thickness of the extrusion block 7 is the same as the thickness of the steel ball pocket plate 3, the side wall surfaces close to each other of the two groups of steel ball pocket plates 3 are matched with the inner side wall surfaces of the two groups of steel ball pocket plates 3, the side slope of the two groups of extrusion blocks 7 is the same as the side slope of the V-shaped groove on the two groups of steel ball pocket plates, two groups of extrusion blocks 7 are always attached to the side wall of the corresponding position of the steel ball pocket plate 3 by the extrusion of two groups of extrusion block springs 5.
The working principle is as follows:
when using, with deep groove ball buckle on holder main part 1 between two sets of steel ball pocket boards 3 of steel ball pocket groove 2 inside, extrude deep groove ball movable mounting on holder main part 1 through two sets of pocket plate spring 4, when the bearing rotates through the deep groove ball of holder main part 1 inside, rotate through deep groove ball and produce the inner wall of power extrusion two sets of steel ball pocket boards 3, make two sets of steel ball pocket boards 3 to the direction shrink of pocket plate spring 4, when two sets of steel ball pocket boards 3 shrink, "V" word groove between two sets of steel ball pocket boards 3 enlarges gradually, thereby two sets of extrusion piece 7 further advance to "V" word inslot portion on two sets of steel ball pocket boards 3 to impel the home range who enlarges deep groove ball and reduce deep groove ball and steel ball pocket 3's contact through two sets of extrusion piece springs 5, thereby reduce frictional force, and service life is prolonged.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a deep groove ball bearing's holder, includes holder main part (1), its characterized in that: steel ball pocket groove (2) have all been seted up to lateral wall on holder main part (1), inside steel ball pocket board (3) that is provided with of steel ball pocket groove (2), it is two sets of one side fixed mounting that steel ball pocket board (3) kept away from each other has pocket leaf spring (4), equal fixed mounting in both ends has extrusion piece spring (5), two sets of about the lateral wall of holder main part (1) inside steel ball pocket groove (2) one side fixed mounting that extrusion piece spring (5) are close to each other has limiting plate (6), and is two sets of one side fixed mounting that limiting plate (6) are close to each other has extrusion piece (7).
2. The cage of a deep groove ball bearing of claim 1, wherein: the retainer body (1) is circular and annular, and the inner diameter of the retainer body (1) is matched with the inner diameter of the bearing outer ring.
3. The cage of a deep groove ball bearing of claim 1, wherein: the steel ball pocket groove (2) is a circular arc-shaped hole, the side wall of the retainer body (1) is penetrated through by the steel ball pocket groove (2) and is communicated with the inner ring of the retainer body (1), the side wall of the steel ball pocket groove (2) in the retainer body (1) is concave towards the position far away from the circle center of the steel ball pocket groove (2), and the side wall of the steel ball pocket groove (2) in the retainer body (1) is mutually matched with the outer side of a steel ball.
4. The cage of a deep groove ball bearing of claim 1, wherein: the steel ball pocket plate (3) is a semicircular arc-shaped block, the inner ring of the steel ball pocket plate (3) is mutually matched with the outer side wall of a steel ball, the steel ball pocket plate (3) is provided with two groups, the two groups of steel ball pocket plates (3) are arranged in a mirror image mode, and a V-shaped groove is formed in the intersection of the two groups of steel ball pocket plates (3).
5. The cage of a deep groove ball bearing of claim 4, wherein: two sets of pocket plate spring (4) one end fixed mounting who keeps away from each other is on the lateral wall of retainer main part (1) inside in steel ball pocket groove (2), and two sets of extrusion piece springs (5) correspond each other with "V" word groove of two sets of steel ball pocket boards (3) crossing department respectively, and limiting plate (6) are arc platelike, and the length of limiting plate (6) is greater than the maximum width in "V" word groove that forms between two sets of steel ball pocket boards (3).
6. The cage of a deep groove ball bearing of claim 4, wherein: the extrusion block (7) is a trapezoidal arc-shaped block, the extrusion block (7) is gradually widened from one side close to the circle center position of the steel ball pocket groove (2) to one side far away from the circle center position of the steel ball pocket groove (2), and the maximum width of the extrusion block (7) is the same as the maximum width of the V-shaped groove on the two groups of steel ball pocket plates (3).
7. The cage of a deep groove ball bearing of claim 6, wherein: the thickness of extrusion piece (7) is the same with the thickness size of steel ball pocket board (3), and a lateral wall face that two sets of steel ball pocket boards (3) are close to each other agrees with each other with the inside wall face of two sets of steel ball pocket boards (3), and the side slope of two sets of extrusion pieces (7) is the same with the side slope in "V" word groove on two sets of steel ball pocket boards (3), and "V" word inslot portion on two sets of steel ball pocket boards (3) is buckled to two sets of extrusion pieces (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132453.0U CN211117166U (en) | 2019-12-02 | 2019-12-02 | Retainer of deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922132453.0U CN211117166U (en) | 2019-12-02 | 2019-12-02 | Retainer of deep groove ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117166U true CN211117166U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922132453.0U Active CN211117166U (en) | 2019-12-02 | 2019-12-02 | Retainer of deep groove ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211117166U (en) |
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2019
- 2019-12-02 CN CN201922132453.0U patent/CN211117166U/en active Active
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