CN212564063U - Rolling bearing with high rotation precision - Google Patents

Abstract

The utility model discloses a antifriction bearing that gyration precision is high, including the outer lane, the inside of outer lane is provided with the pilot hole, and the inboard of outer lane is provided with the holder, the holder is located among the pilot hole, the inboard of holder is provided with the inner circle, and is provided with the rolling element on the holder, the rolling element contacts in the inner wall of outer lane and the outer wall of inner circle respectively, the upper end of outer lane is provided with and is used for spacing limit structure, the last elastic component that is provided with of limit structure. A antifriction bearing that gyration precision is high, through the limit structure who sets up, can be selective install on the outer lane, guarantee that assembly personnel when the bearing of taking, the bearing can not separate, avoided holder isotructure to drop subaerially and damage, ensured the result of use of bearing, to a certain extent the cost is reduced, the setting can be dismantled to the elastic component among the limit structure simultaneously, has improved and has used the flexibility, convenient the dismantlement.

Description

Rolling bearing with high rotation precision

Technical Field

The utility model relates to a antifriction bearing field, in particular to antifriction bearing that gyration precision is high.

Background

A rolling bearing is a precise mechanical element that reduces friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction. The rolling bearing generally comprises four parts, namely an inner ring, an outer ring, a rolling body and a retainer, wherein the inner ring is used for being matched with a shaft and rotating together with the shaft; the outer ring is matched with the bearing seat to play a supporting role. The rolling bodies are uniformly distributed between the inner ring and the outer ring by virtue of the retainer, and the shape, size and number of the rolling bodies directly influence the service performance and service life of the rolling bearing; the retainer can uniformly distribute the rolling bodies and guide the rolling bodies to rotate to play a role in lubrication; antifriction bearing divide into cylindrical roller bearing, needle roller bearing, tapered roller bearing and self-aligning roller bearing, wherein tapered roller bearing's use in mechanical assembly is especially extensive, among the current tapered roller bearing, outer lane and inside holder isotructure can be dismantled, though the result of use is always, and it is convenient to dismantle, but when the transportation or the assembly of taking, drop subaerially with inner structure easy carelessly, and then cause the damage, influence the result of use of bearing, the cost has been increased to a certain extent.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a rolling bearing with high rotation accuracy, which can effectively solve the problem of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a antifriction bearing that gyration precision is high, includes the outer lane, the inside of outer lane is provided with the pilot hole, and the inboard of outer lane is provided with the holder, the holder is located among the pilot hole, the inboard of holder is provided with the inner circle, and is provided with the rolling element on the holder, the rolling element contacts in the inner wall of outer lane and the outer wall of inner circle respectively, the upper end of outer lane is provided with and is used for spacing limit structure, the last elastic component that is provided with of limit structure.

Preferably, the rolling bodies are balls, and the retainer and the inner ring are rotationally connected through the rolling bodies.

Preferably, a shaft hole is formed in the inner ring, the shaft hole is matched with the end part of the rotating shaft, and the inner ring is fixedly connected with the rotating shaft through the shaft hole.

Preferably, the limiting structure comprises a threaded hole, a cover plate, a round hole and a fastening screw, the threaded hole is formed in the outer ring, the round hole is formed in the cover plate, and the fastening screw is arranged on the cover plate and the outer ring.

Preferably, the threaded holes and the round holes are symmetrically arranged, and the lower ends of the fastening screws penetrate through the round holes and are in threaded connection with the threaded holes.

Preferably, the elastic component includes draw-in groove, rubber circle, fixture block and through-hole, the draw-in groove is seted up on limit structure, the fixture block is fixed in on the rubber circle, and looks joint between fixture block and the draw-in groove, the rubber circle is fixed in limit structure through the cooperation of fixture block, draw-in groove on, the through-hole is seted up on the rubber circle.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the limit structure who sets up, can be selective install on the outer lane, guarantee that assembly personnel when the bearing of taking, the bearing can not separate, avoided holder isotructure to drop subaerially and damage, ensured the result of use of bearing, to a certain extent the cost is reduced is provided with the elastic component on the limit structure simultaneously, and the setting can be dismantled to the elastic component, has improved the flexibility of use, convenient dismantlement.

Drawings

Fig. 1 is a schematic view of the overall structure of a rolling bearing with high rotation precision according to the present invention;

fig. 2 is a schematic view of a split structure of a rolling bearing with high revolution precision of the present invention;

fig. 3 is a schematic structural diagram of a retainer of a rolling bearing with high rotation precision according to the present invention;

fig. 4 is a schematic structural view of a limiting structure of a rolling bearing with high rotation precision according to the present invention;

fig. 5 is a schematic view of the elastic member of the rolling bearing with high rotation precision of the present invention.

In the figure: 1. an outer ring; 2. an assembly hole; 3. a holder; 4. an inner ring; 5. a rolling body; 6. a limiting structure; 601. a threaded hole; 602. a cover plate; 603. a circular hole; 604. fastening screws; 7. a shaft hole; 8. An elastic member; 801. a card slot; 802. a rubber ring; 803. a clamping block; 804. and a through hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Detailed description of the preferred embodiment

The present embodiment is an embodiment of a rolling bearing with high rotation accuracy.

As shown in fig. 1 to 5, a rolling bearing with high rotation precision includes an outer ring 1, a fitting hole 2 is provided inside the outer ring 1, a holder 3 is provided inside the outer ring 1, the holder 3 is located in the fitting hole 2, an inner ring 4 is provided inside the holder 3, a rolling body 5 is provided on the holder 3, the rolling body 5 is respectively in contact with an inner wall of the outer ring 1 and an outer wall of the inner ring 4, a limiting structure 6 for limiting is provided at an upper end of the outer ring 1, and an elastic member 8 is provided on the limiting structure 6.

The rolling bodies 5 are balls, and the retainer 3 is rotationally connected with the inner ring 4 through the rolling bodies 5; the inner ring 4 is internally provided with a shaft hole 7, the shaft hole 7 is matched with the end part of the rotating shaft, and the inner ring 4 is fixedly connected with the rotating shaft through the shaft hole 7; the limiting structure 6 comprises a threaded hole 601, a cover plate 602, a round hole 603 and a fastening screw 604, wherein the threaded hole 601 is arranged on the outer ring 1, the round hole 603 is arranged on the cover plate 602, and the fastening screw 604 is arranged on the cover plate 602 and the outer ring 1; the threaded hole 601 and the round hole 603 are symmetrically arranged, and the lower end of the fastening screw 604 penetrates through the round hole 603 and is in threaded connection with the threaded hole 601; the elastic piece 8 comprises a clamping groove 801, a rubber ring 802, a clamping block 803 and a through hole 804, the clamping groove 801 is arranged on the limiting structure 6, the clamping block 803 is fixed on the rubber ring 802, the clamping block 803 and the clamping groove 801 are clamped, the rubber ring 802 is fixed on the limiting structure 6 through the matching of the clamping block 803 and the clamping groove 801, and the through hole 804 is arranged on the rubber ring 802.

It should be noted that, the utility model relates to a rolling bearing with high rotation precision, firstly, the whole bearing assembly work is carried out, when assembling, the worker assembles the rolling element 5 on the retainer 3, so that the rolling element 5 is evenly distributed, then assembles the inner ring 4 on the inner side of the retainer 3, so that the inner ring 4 can not drop from the inner side of the retainer 3, when the retainer 3, the inner ring 4 and the rolling element 5 are assembled together, the worker installs the assembly body in the assembly hole 2 on the outer ring 1, so that the whole bearing body is assembled, at this time, because the bearing is a conical roller, the structure in the outer ring 1 can be disassembled, at this time, the worker starts to assemble the limit structure 6, the worker attaches the cover plate 602 with the elastic element 8 on the outer ring 1, so that the round hole 603 corresponds to the threaded hole 601, then the cover plate 602 is fixed on the outer ring 1 by the fastening screw 604, through elastic component 8 on limit structure 6 like this, structures such as apron 602 carry on spacingly to structures such as holder 3, guarantee that the bearing can not separate and drop in the transportation, damage has been avoided, can use after the bearing assembly, during the use, the staff installs the bearing on the bearing frame, insert the tip of pivot in the shaft hole 7 in the inner circle 4 afterwards, guarantee inner circle 4 and pivot fixed connection, when driving the pivot like this, the pivot just can rotate on the bearing, in the rotation process, inner circle 4 rotates under the effect of rolling element 5 on holder 3, make sliding friction become rolling friction, the influence that the friction brought has been reduced.

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 (6)

1. A rolling bearing with high rotation precision is characterized in that: including outer lane (1), the inside of outer lane (1) is provided with pilot hole (2), and the inboard of outer lane (1) is provided with holder (3), holder (3) are located among pilot hole (2), the inboard of holder (3) is provided with inner circle (4), and is provided with rolling element (5) on holder (3), rolling element (5) contact in the inner wall of outer lane (1) and the outer wall of inner circle (4) respectively, the upper end of outer lane (1) is provided with and is used for spacing limit structure (6), be provided with elastic component (8) on limit structure (6).

2. The rolling bearing with high revolution accuracy according to claim 1, wherein: the rolling bodies (5) are balls, and the retainer (3) is rotationally connected with the inner ring (4) through the rolling bodies (5).

3. The rolling bearing with high revolution accuracy according to claim 1, wherein: shaft hole (7) have been seted up to the inside of inner circle (4), shaft hole (7) cooperate with the pivot tip, inner circle (4) pass through shaft hole (7) and pivot fixed connection.

4. The rolling bearing with high revolution accuracy according to claim 1, wherein: the limiting structure (6) comprises a threaded hole (601), a cover plate (602), a round hole (603) and a fastening screw (604), the threaded hole (601) is formed in the outer ring (1), the round hole (603) is formed in the cover plate (602), and the fastening screw (604) is arranged on the cover plate (602) and the outer ring (1).

5. The rolling bearing with high revolution accuracy according to claim 4, wherein: the threaded hole (601) and the round hole (603) are symmetrically arranged, and the lower end of the fastening screw (604) penetrates through the round hole (603) to be in threaded connection with the threaded hole (601).

6. The rolling bearing with high revolution accuracy according to claim 1, wherein: elastic component (8) are including draw-in groove (801), rubber circle (802), fixture block (803) and through-hole (804), draw-in groove (801) are seted up on limit structure (6), fixture block (803) are fixed in on rubber circle (802), and between fixture block (803) and draw-in groove (801) looks joint, rubber circle (802) are fixed in on limit structure (6) through the cooperation of fixture block (803), draw-in groove (801), through-hole (804) are seted up on rubber circle (802).

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