CN216618302U - Check ring used for bearing and easy to install - Google Patents
Check ring used for bearing and easy to install Download PDFInfo
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- CN216618302U CN216618302U CN202123420366.9U CN202123420366U CN216618302U CN 216618302 U CN216618302 U CN 216618302U CN 202123420366 U CN202123420366 U CN 202123420366U CN 216618302 U CN216618302 U CN 216618302U
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- elastic ring
- ring
- locking
- limiting hole
- easy
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Abstract
The utility model relates to the technical field of mechanical parts, in particular to a check ring for a bearing, which is easy to install. The utility model relates to a retainer ring for a bearing, which is easy to install.A first elastic ring is arranged above a second elastic ring, and the side wall of the first elastic ring is propped against the side wall of the second elastic ring; one end of the first elastic ring is provided with a connecting block, and the other end of the connecting block is fixed on the end wall of the second elastic ring; the first elastic ring is provided with a limiting hole matched with the locking component, and the limiting hole faces the second elastic ring; the locking assembly is arranged on the second elastic ring in a retractable manner and is arranged in the limiting hole; wherein pressing the locking assembly downward expands the first and second resilient rings outward. The locking assembly is simple in structure, the effect of quick installation is achieved through the arranged locking assembly, the locking assembly is pressed to be separated from the limiting hole, the retainer ring is expanded outwards to be installed on the outer wall of the circular shaft, and the installation difficulty of the retainer ring is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of mechanical parts, in particular to a retainer ring for a bearing, which is easy to mount.
Background
The retainer ring is a common part on mechanical equipment and comprises a retainer ring for a shaft and a retainer ring for a hole, wherein the retainer ring for the shaft is arranged on the outer wall of a round shaft and used for fixing the axial movement of the part.
The retaining ring is mostly in a circular ring shape and is sleeved on the outer wall of the circular shaft, the retaining ring needs to be installed and fixed by means of a special tool in the installation process, particularly, the retaining ring with the self-locking function has the advantages of multiple tools and complex operation, so that the requirement on the proficiency of an operator is high, and the retaining ring is troublesome in the installation process, so that the retaining ring which is used for a bearing and easy to install is needed to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a retainer ring for a bearing, which is easy to install, so as to solve the technical problems of inconvenient installation and complex operation of the retainer ring in the prior art.
In order to achieve the above object, an embodiment of the present invention provides a retainer ring for a bearing, which is easy to mount, including:
the locking device comprises a first elastic ring, a second elastic ring and a locking assembly, wherein the first elastic ring and the second elastic ring are concentric circular rings;
the first elastic ring is arranged above the second elastic ring, and the side wall of the first elastic ring is abutted against the side wall of the second elastic ring;
one end of the first elastic ring is provided with a connecting block, one end of the connecting block is fixed on one end wall of the first elastic ring, and the other end of the connecting block is fixed on the end wall of the second elastic ring;
the first elastic ring is provided with a limiting hole matched with the locking component, and the limiting hole faces the second elastic ring;
the locking assembly is arranged on the second elastic ring in a retractable mode, and the locking assembly is arranged in the limiting hole; wherein
The first and second resilient rings can be expanded outwardly upon pressing the locking assembly downwardly.
Preferably, the bottom end of the limiting hole is coaxially provided with a ring groove, and the inner diameter of the ring groove is larger than that of the limiting hole.
Preferably, the locking assembly comprises: the second elastic ring is provided with a locking groove, the lower end of the compression spring is fixed on the bottom wall of the locking groove, the upper end of the compression spring is fixed on the lower bottom wall of the movable block, and the movable block is slidably arranged in the locking groove; the upper end of the movable block is clamped in the limiting hole.
Preferably, a locking steel ball is fixed at the upper end of the movable block, and the diameter of the locking steel ball is smaller than the inner diameter of the limiting hole.
Preferably, the upper end of the movable block is provided with a positioning ring matched with the annular groove, and the positioning ring is arranged on the outer wall of the locking steel ball.
Preferably, the positioning ring is triangular in cross section.
Preferably, the upper end of the first elastic ring is further provided with a positioning hole, and the positioning hole is formed in one end far away from the limiting hole.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects: an easy-to-install retainer ring for a bearing, comprising: the locking device comprises a first elastic ring, a second elastic ring and a locking assembly, wherein the first elastic ring and the second elastic ring are concentric circular rings; the first elastic ring is arranged above the second elastic ring, and the side wall of the first elastic ring is abutted against the side wall of the second elastic ring; one end of the first elastic ring is provided with a connecting block, one end of the connecting block is fixed on one end wall of the first elastic ring, and the other end of the connecting block is fixed on the end wall of the second elastic ring; the first elastic ring is provided with a limiting hole matched with the locking component, and the limiting hole faces the second elastic ring; the locking assembly is arranged on the second elastic ring in a retractable mode, and the locking assembly is arranged in the limiting hole; wherein pressing the locking assembly downward expands the first and second resilient rings outward. Realize this practical retaining ring's self-locking function through the locking subassembly and the spacing hole that set up, and set the locking subassembly into the telescopic design, when the installation, after inwards compressing the locking subassembly, can outwards expand first elastic ring and second elastic ring to make things convenient for the installation of retaining ring, and the retaining ring cover is established behind the circle axle outer wall, first elastic ring and second elastic ring resume initial state under spring action, locking subassembly card goes into spacing downthehole in order to accomplish self-locking function this moment, great having made things convenient for the installation practicality of the utility model.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 shows a perspective view of an easy-to-install retainer ring for a bearing of the present invention;
figure 2 shows a longitudinal cross-sectional view of the locking assembly of the present invention.
In the figure:
1. a first elastic ring; 10. connecting blocks; 2. a second elastic ring; 3. a locking assembly; 31. a compression spring; 32. a movable block; 33. locking the steel balls; 34. a positioning ring; 4. a limiting hole; 41. a ring groove; 5. and (7) positioning the holes.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 and 2, the present invention provides a retainer ring for a bearing, which is easy to install, comprising: the locking device comprises a first elastic ring 1, a second elastic ring 2 and a locking assembly 3, wherein the first elastic ring 1 and the second elastic ring 2 are concentric circular rings; the first elastic ring 1 and the second elastic ring 2 are both made of elastic materials, and the inner diameters (outer diameters) of the first elastic ring 1 and the second elastic ring 2 are consistent; the first elastic ring 1 is arranged above the second elastic ring 2, and the side wall of the first elastic ring 1 is abutted against the side wall of the second elastic ring 2; one end of the first elastic ring 1 is provided with a connecting block, one end of the connecting block is fixed on one end wall of the first elastic ring 1, and the other end of the connecting block is fixed on the end wall of the second elastic ring 2; the first elastic ring 1, the connecting block and the second elastic ring 2 are integrally arranged; a limiting hole 4 matched with the locking component 3 is formed in the first elastic ring 1, and the limiting hole 4 faces the second elastic ring 2; the locking assembly 3 is arranged on the second elastic ring 2 in a retractable manner, and the locking assembly 3 is arranged in the limiting hole 4; wherein the first and second elastic rings 1, 2 can be expanded outwardly upon pressing the locking assembly 3 downwardly. In an initial state, the locking component 3 is arranged in the limiting hole 4; during installation, the locking component 3 is pressed downwards to be contracted downwards and separated from the limiting hole 4, the first elastic ring 2 and the second elastic ring 2 are expanded outwards at the moment and are sleeved on the outer wall of the circular shaft, the first elastic ring 1 and the second elastic ring 2 recover to the initial state under the action of elasticity, the locking component 3 can be lifted upwards and inserted into the limiting hole 4 in a clamping mode, and therefore the self-locking function of the check ring is achieved. Compared with the prior art, the retainer ring of the utility model simplifies the installation steps of the retainer ring greatly, and improves the work efficiency.
Optionally, a ring groove 41 is coaxially formed at the bottom end of the limiting hole 4, and the inner diameter of the ring groove 41 is larger than that of the limiting hole 4. Set up a larger annular 41 of internal diameter in the same axle in spacing hole 4 bottom, insert when locking Assembly 3 card back in the annular 41, can increase the area of contact of locking Assembly 3 and annular 41 and spacing hole 4 to improve the firm in connection degree of locking Assembly 3 and first elastic ring 1, thereby improve the stability of locking Assembly 3 self-locking function.
Preferably, the locking assembly 3 comprises: a compression spring 31 and a movable block 32, wherein a locking groove is formed on the second elastic ring 2, the lower end of the compression spring 31 is fixed on the bottom wall of the locking groove, the upper end of the compression spring 31 is fixed on the lower bottom wall of the movable block 32, and the movable block 32 is slidably arranged in the locking groove; the upper end of the movable block 32 is inserted into the limit hole 4. The movable block 32 is slidably arranged in the locking groove, the lower end of the outer wall of the movable block 32 is provided with a positioning lug in a protruding manner, and when the movable block 32 is jacked by the compression spring 31 to move upwards, the positioning lug can prevent the movable block 32 from being separated from the locking groove; when the movable block 32 is pressed downwards, the movable block 32 can compress the compression spring 31 until the upper end of the movable block 32 is contracted into the locking groove; when the first elastic ring 1 and the second elastic ring 2 are expanded outward, the upper end of the movable block 32 does not rub against the lower end wall of the first elastic ring 1, so that the friction force when the first elastic ring and the second elastic ring 2 are expanded is reduced. A locking steel ball 33 is fixed at the upper end of the movable block 32, the locking steel ball 33 is fixed at the upper end of the movable block 32 in a spherical shape, when the movable block 32 is extruded downwards and shrinks towards the inside of the locking groove, the locking steel ball 33 synchronously moves downwards until the upper end of the outer wall of the steel ball is lower than the horizontal line of the upper end surface of the second elastic ring 2, and the diameter of the locking steel ball 33 is smaller than the inner diameter of the limiting hole 4. The locking steel ball 33 is arranged to be spherical, on one hand, the friction force between the locking steel ball 33 and the inner side wall of the limiting hole 4 in the spring lifting process is reduced, and meanwhile, compared with other shapes, the spherical locking steel ball 33 can more easily assist the movable block 32 to be clamped into the limiting hole 4 when the compression spring 31 jacks the movable block 32 to move upwards.
Optionally, a positioning ring 34 adapted to the annular groove 41 is disposed at the upper end of the movable block 32, and the positioning ring 34 is disposed on the outer wall of the locking steel ball 33. The retaining ring 34 is triangular in cross-section. The horizontal height of the positioning ring 34 is smaller than that of the locking steel ball 33, the locking steel ball 33 can conveniently contract up and down due to the design, the triangular positioning ring 34 is arranged at the upper end of the movable block 32, the contact area between the positioning ring 34 and the annular groove 41 is increased, when the compression spring 31 lifts the movable block 32 until the positioning ring 34 abuts against the inner wall of the annular groove 41, the upper end surface of the locking steel ball 33 is coplanar with the upper surface of the first elastic ring 1, the triangular positioning ring 34 is mutually meshed with the annular groove 41, and the inserting stability of the movable block 32 and the limiting hole 4 can be improved; the design of holding ring 34 and annular 41 can improve the frictional force of movable block 32 and spacing hole 4 to improve the auto-lock stability of this practical retaining ring.
Preferably, a positioning hole 5 is further formed in the upper end of the first elastic ring 1, and the positioning hole 5 is formed in one end far away from the limiting hole 4. Locating hole 5 and spacing hole 4's design, when the installation, need mounting tool's both ends to insert locating hole 5 and spacing hole 4 respectively, and mounting tool's front end can extrude downwards locking steel ball 33 makes its shrink downwards, and outwards expand mounting tool can with this practical spacer ring cover establish at circle axle outer wall station, retrencied the installation step greatly, improved the installation effectiveness.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An easy-to-install retainer ring for a bearing, comprising:
the locking device comprises a first elastic ring (1), a second elastic ring (2) and a locking assembly (3), wherein the first elastic ring (1) and the second elastic ring (2) are concentric circular rings;
the first elastic ring (1) is arranged above the second elastic ring (2), and the side wall of the first elastic ring (1) is abutted against the side wall of the second elastic ring (2);
one end of the first elastic ring (1) is provided with a connecting block (10), one end of the connecting block (10) is fixed on one end wall of the first elastic ring (1), and the other end of the connecting block (10) is fixed on the end wall of the second elastic ring (2);
a limiting hole (4) matched with the locking component (3) is formed in the first elastic ring (1), and the limiting hole (4) faces the second elastic ring (2);
the locking assembly (3) is arranged on the second elastic ring (2) in a retractable manner, and the locking assembly (3) is arranged in the limiting hole (4); wherein
The first elastic ring (1) and the second elastic ring (2) can be expanded outwards after the locking component (3) is pressed downwards.
2. An easy-to-install retainer ring for a bearing according to claim 1,
an annular groove (41) is coaxially formed in the bottom end of the limiting hole (4), and the inner diameter of the annular groove (41) is larger than that of the limiting hole (4).
3. An easy-to-install retainer ring for a bearing according to claim 2,
the locking assembly (3) comprises: the second elastic ring (2) is provided with a locking groove, the lower end of the compression spring (31) is fixed on the bottom wall of the locking groove, the upper end of the compression spring (31) is fixed on the lower bottom wall of the movable block (32), and the movable block (32) is slidably arranged in the locking groove; the upper end of the movable block (32) is inserted into the limiting hole (4).
4. An easy-to-install retainer ring for a bearing according to claim 3,
a locking steel ball (33) is fixed at the upper end of the movable block (32), and the diameter of the locking steel ball (33) is smaller than the inner diameter of the limiting hole (4).
5. An easy-to-install retainer ring for a bearing according to claim 4,
the upper end of the movable block (32) is provided with a positioning ring (34) matched with the annular groove (41), and the positioning ring (34) is arranged on the outer wall of the locking steel ball (33).
6. An easy-to-install retainer ring for a bearing according to claim 5,
the cross section of the positioning ring (34) is triangular.
7. An easy-to-install retainer ring for a bearing according to claim 6,
a positioning hole (5) is further formed in the upper end of the first elastic ring (1), and the positioning hole (5) is formed in one end, far away from the limiting hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123420366.9U CN216618302U (en) | 2021-12-31 | 2021-12-31 | Check ring used for bearing and easy to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123420366.9U CN216618302U (en) | 2021-12-31 | 2021-12-31 | Check ring used for bearing and easy to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618302U true CN216618302U (en) | 2022-05-27 |
Family
ID=81684875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123420366.9U Active CN216618302U (en) | 2021-12-31 | 2021-12-31 | Check ring used for bearing and easy to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618302U (en) |
-
2021
- 2021-12-31 CN CN202123420366.9U patent/CN216618302U/en active Active
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