CN220168373U

CN220168373U - Sealed plane thrust bearing

Info

Publication number: CN220168373U
Application number: CN202321117417.7U
Authority: CN
Inventors: 田青山
Original assignee: Linhai Cisco Electromechanical Co ltd
Current assignee: Linhai Cisco Electromechanical Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-12-12
Anticipated expiration: 2033-05-11

Abstract

The utility model relates to a sealed plane thrust bearing. The sealing type plane thrust bearing comprises a mounting ring, wherein a mounting groove is formed in the inner wall of the mounting ring, a retaining ring is slidably mounted on the inner wall of the mounting ring, an inner ring is fixedly mounted on the inner wall of the retaining ring, a plurality of retainers are fixedly mounted on the surface of the retaining ring, a limiting ring is fixedly mounted on the surface of the retaining ring, balls are mounted in the mounting groove in a rolling mode and located between two adjacent retainers, a first sliding groove is formed in the inner wall of the mounting ring and located above and below the mounting groove, and a first sealing ring extending into the first sliding groove is fixedly mounted on the surface of the retaining ring and located above and below the retaining ring. This sealed plane thrust bearing has guaranteed this novel sealed effect for dust impurity is difficult for entering into the collar inside and causes the influence to the ball, has improved this novel practicality greatly from this.

Description

Sealed plane thrust bearing

Technical Field

The utility model relates to the technical field of one-sided thrust bearings, in particular to a sealed plane thrust bearing.

Background

The plane bearing consists of a plane retainer component with rolling needles or cylindrical rollers or steel balls and a plane washer. A high axial load and a high rigidity can be obtained in a small space.

The existing plane thrust bearing adopts clamping balls between an upper ring and a lower ring, the upper ring and the lower ring are sealed through an oil seal, however, the service life of the oil seal is short, once the oil seal is damaged, dust enters the space between the upper ring and the lower ring, and the balls are easy to generate heat and wear during working, so that the bearing is easy to damage, and therefore, the novel plane thrust bearing is provided for solving the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a sealed plane thrust bearing which has the advantages of good sealing effect and the like, and solves the problems that the prior plane thrust bearing adopts a clamping ball between an upper ring and a lower ring, the upper ring and the lower ring are sealed through an oil seal, however, the service life of the oil seal is shorter, once the oil seal is damaged, dust enters the space between the upper ring and the lower ring, and the ball is easy to generate heat and wear during working, so that the bearing is easy to damage.

In order to achieve the purpose of good sealing effect, the utility model provides the following technical scheme: the utility model provides a sealed plane thrust bearing, includes the collar, the mounting groove has been seted up to the inner wall of collar, the inner wall slidable mounting of collar has the retainer ring, the inner wall fixed mounting of retainer ring has the inner ring, the fixed surface mounting of retainer ring has a plurality of holder, a plurality of the fixed surface mounting of holder has the spacing ring, the inside of mounting groove just is located and all rolls between two adjacent holders and installs the ball, the first spout has all been seted up to the inner wall of collar and the top and the below that are located the mounting groove, the surface of retainer ring just is located the top and the below of holder and all fixed mounting have the first sealing ring that extends to inside the first spout, the fixed surface mounting of retainer ring has two protective housing, two the equal fixed mounting of one side that the protective housing is relative has one side to extend to the inside second sealing ring of retainer ring.

Further, the movable grooves are formed in the inner top wall and the inner bottom wall of the mounting groove and on the opposite sides of the two adjacent retainers, and the four sides of the balls are respectively located in the corresponding movable grooves.

Further, the limiting groove is formed in the inner wall of the mounting groove, and the limiting ring is located in the limiting groove and is in sliding connection with the limiting groove.

Further, the top and the bottom of the retaining ring are provided with second sliding grooves, and one side of the two second sealing rings, which is positioned inside the retaining ring, is in sliding connection with the corresponding second sliding groove.

Further, two protective housing all are fixed mutually with the collar through the bolt, two the protective housing surrounds the surface at the collar, the inner ring is located the middle part of collar.

Further, the top the screw thread groove has been seted up at the top of protective housing, the screw thread piece is installed to the inner wall screw thread of screw thread groove, the top fixed mounting of screw thread piece has the lug, the oil inlet has been seted up at the top of collar and under the screw thread groove, the oil inlet is linked together with the movable groove of top.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this sealed plane thrust bearing can seal the space of holding ring and collar support through the first sealing ring that sets up, and the second sealing ring can seal the space between protective housing and the holding ring, has guaranteed this neotype sealed effect from this for dust impurity is difficult for entering into the collar inside and leads to the fact the influence to the ball, can carry out effectual protection to the collar through two protective housings that set up simultaneously, and can not influence the normal rotation of inner ring, has improved this neotype practicality greatly from this.

2. This sealed plane thrust bearing can pour into lubricating oil to the mounting groove inside through thread groove and oil inlet after opening the screw thread piece, because the ball can the rotation, therefore its surface can smear lubricating oil uniformly, and periodic replenishment lubricating oil, can the at utmost prolong this novel life.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a schematic view of a retainer ring, ball, cage and stop collar of the present utility model.

In the figure: 1. a mounting ring; 2. a retaining ring; 3. a ball; 4. an inner ring; 5. a protective shell; 6. a retainer; 7. a first seal ring; 8. a first chute; 9. a second seal ring; 10. a second chute; 11. an oil inlet; 12. a movable groove; 13. a thread groove; 14. a screw block; 15. a limiting ring; 16. a limit groove; 17. a mounting groove; 18. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, a sealed planar thrust bearing in this embodiment includes a mounting ring 1, a mounting groove 17 is formed in an inner wall of the mounting ring 1, a retaining ring 2 is slidably mounted on an inner wall of the mounting ring 1, an inner ring 4 is fixedly mounted on an inner wall of the retaining ring 2, a plurality of retainers 6 are fixedly mounted on a surface of the retaining ring 2, a limiting ring 15 is fixedly mounted on a surface of the plurality of retainers 6, balls 3 are mounted in the mounting groove 17 and between two adjacent retainers 6 in a rolling manner, a first sliding groove 8 is formed in an inner wall of the mounting ring 1 and above and below the mounting groove 17, a first sealing ring 7 extending into the first sliding groove 8 is fixedly mounted on a surface of the retaining ring 2 and above and below the retaining ring 6, two protective cases 5 are fixedly mounted on a surface of the mounting ring 1, and a second sealing ring 9 with one side extending into the retaining ring 2 is fixedly mounted on an opposite side of the two protective cases 5.

The first sealing ring 7 can seal the gap between the retaining ring 2 and the mounting ring 1 support, and the second sealing ring 9 can seal the gap between the protective housing 5 and the retaining ring 2, so that the novel sealing effect is guaranteed, dust impurities are not easy to enter into the mounting ring 1 to influence the balls 3, meanwhile, the mounting ring 1 can be effectively protected through the two protective housings 5, and the normal rotation of the inner ring 4 can not be influenced, so that the novel practicability is greatly improved.

Wherein the retainer ring 2 and the cage 6 are used for limiting the individual balls 3.

Referring to fig. 2 and 3, in the present embodiment, the inner top wall and the inner bottom wall of the mounting groove 17 and the opposite sides of the two adjacent retainers 6 are respectively provided with a movable groove 12, and four sides of the ball 3 are respectively located inside the corresponding movable grooves 12.

In this embodiment, the inner wall of the mounting groove 17 is provided with a limit groove 16, the limit ring 15 is located inside the limit groove 16 and slidably connected with the limit groove 16, the top and bottom of the retaining ring 2 are provided with the second sliding grooves 10, and one side of the two second sealing rings 9 located inside the retaining ring 2 is slidably connected with the corresponding second sliding groove 10.

Wherein, through spacing groove 16 and spacing ring 15 that set up for retainer 2 and holder 6 are more stable when rotating.

In this embodiment, two protective cases 5 are fixed to the mounting ring 1 by bolts 18, the two protective cases 5 are enclosed on the surface of the mounting ring 1, and the inner ring 4 is located in the middle of the mounting ring 1.

The protective housing 5 can be disassembled by the bolts 18, and replacement or maintenance is convenient.

Referring to fig. 2, in the embodiment, a thread groove 13 is formed at the top of the upper protective housing 5, a thread block 14 is mounted on the inner wall of the thread groove 13, a bump is fixedly mounted at the top of the thread block 14, an oil inlet 11 is formed at the top of the mounting ring 1 and under the thread groove 13, and the oil inlet 11 is communicated with a movable groove 12 above.

After the screw block 14 is opened, lubricating oil can be injected into the mounting groove 17 through the screw groove 13 and the oil inlet 11, and as the ball 3 can rotate, the surface of the ball can be uniformly coated with the lubricating oil, and the lubricating oil is periodically supplied, so that the novel service life can be prolonged to the greatest extent.

Wherein the provision of the lugs facilitates the rotation of the screw block 14 by the staff.

The working principle of the embodiment is as follows: the first sealing ring 7 can seal the space between the retainer ring 2 and the bracket of the mounting ring 1, the second sealing ring 9 can seal the space between the protective housing 5 and the retainer ring 2, thereby ensuring the novel sealing effect, dust impurities are not easy to enter into the mounting ring 1 to influence the balls 3, meanwhile, the mounting ring 1 can be effectively protected through the two protective housings 5, and the normal rotation of the inner ring 4 can not be influenced, thereby greatly improving the novel practicability, simultaneously, after the screw thread block 14 is opened, lubricating oil can be injected into the mounting groove 17 through the screw thread groove 13 and the oil inlet 11, and the surfaces of the ball 3 can be uniformly coated with the lubricating oil due to the rotation of the balls, and the lubricating oil is periodically supplied, so that the novel service life can be prolonged to the greatest extent, and the novel practicability is higher.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Sealed planar thrust bearing, including collar (1), its characterized in that: the mounting groove (17) has been seted up to the inner wall of collar (1), the inner wall slidable mounting of collar (1) has retainer ring (2), the inner wall fixed mounting of retainer ring (2) has inner ring (4), the fixed surface of retainer ring (2) installs a plurality of holder (6), a plurality of fixed surface of holder (6) installs spacing ring (15), the inside of mounting groove (17) just is located and all rolls between two adjacent holders (6) and installs ball (3), first spout (8) have all been seted up to the inner wall of collar (1) just be located the top and the below of mounting groove (17), the surface of retainer ring (2) just is located the top of holder (6) and the equal fixed mounting of below have first sealing ring (7) that extend to inside of first spout (8), the fixed surface of collar (1) installs two protective housing (5), two the opposite one side of protective housing (5) all fixed mounting has one side to extend to second sealing ring (9) inside retainer ring (2).

2. A sealed planar thrust bearing according to claim 1, wherein: the inner top wall and the inner bottom wall of the mounting groove (17) and one side opposite to the adjacent two retainers (6) are respectively provided with a movable groove (12), and four sides of the ball (3) are respectively positioned in the corresponding movable grooves (12).

3. A sealed planar thrust bearing according to claim 1, wherein: the inner wall of the mounting groove (17) is provided with a limit groove (16), and the limit ring (15) is positioned in the limit groove (16) and is in sliding connection with the limit groove (16).

4. A sealed planar thrust bearing according to claim 1, wherein: the top and the bottom of the retaining ring (2) are respectively provided with a second chute (10), and one side of the two second sealing rings (9) positioned inside the retaining ring (2) is in sliding connection with the corresponding second chute (10).

5. A sealed planar thrust bearing according to claim 1, wherein: the two protection shells (5) are fixed with the mounting ring (1) through bolts (18), the two protection shells (5) are surrounded on the surface of the mounting ring (1), and the inner ring (4) is located in the middle of the mounting ring (1).

6. A sealed planar thrust bearing according to claim 2, wherein: the top thread groove (13) has been seted up at the top of protective housing (5), screw thread piece (14) are installed to the inner wall screw thread of thread groove (13), the top fixed mounting of screw thread piece (14) has the lug, oil inlet (11) have been seted up at the top of collar (1) and under thread groove (13), oil inlet (11) are linked together with movable groove (12) of top.