CN214465645U

CN214465645U - Oil-retaining bearing capable of preventing axial movement

Info

Publication number: CN214465645U
Application number: CN202022574990.3U
Authority: CN
Inventors: 丁剑浩
Original assignee: Changzhou Zhiyu Powder Metallurgy Co ltd
Current assignee: Changzhou Zhiyu Powder Metallurgy Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-10-22
Anticipated expiration: 2030-11-09

Abstract

The utility model relates to the technical field of oil-retaining bearings, in particular to an oil-retaining bearing for preventing axial movement, which comprises a bearing body, wherein the left end part and the right end part of the bearing body both extend outwards to form an annular extension part; the arc wall has been seted up to the outer peripheral face of annular extension, the arc wall interpolation is equipped with rather than assorted rubber strip, and the inner peripheral surface of annular extension is equipped with locking screw, and locking screw's thread end portion supports rather than the rubber strip that corresponds, the utility model discloses a both ends extend annular extension about the bearing body to installation rubber strip and locking screw, and put into the arc wall with the form of pegging graft with the rubber strip, thereby when locking screw screws up, can radially outwards promote the rubber strip, make it support the pore wall of dead eye, and then realize locking the bearing body in the dead eye, prevent that it from producing the axial float, and simple structure, convenient operation.

Description

Oil-retaining bearing capable of preventing axial movement

Technical Field

The utility model belongs to the technical field of the oiliness bearing technique and specifically relates to a prevent oiliness bearing of axial float.

Background

The oil-impregnated bearing is a basic part which is indispensable to the development of various industrial products such as automobiles, household electrical appliances, sound equipment, office equipment, agricultural machinery, precision machinery and the like, belongs to a sintered body formed by manufacturing materials such as metal powder and the like by a powder metallurgy method, is in a porous state, has the number, the size and the shape of pores, can be controlled and adjusted in the manufacturing process, and has high flexibility and degree of freedom; the porous structure can well adsorb the lubricating oil, the oil-containing bearing can automatically lubricate in the operation of equipment after being impregnated with 10 to 40 percent of the lubricating oil, so the oil-containing bearing has obvious effect on mechanical equipment which has long operation time and is difficult to maintain a lubricating state, the temperature of the oil-containing bearing can be correspondingly increased along with the friction and the heat generation of the mechanical equipment after the oil-containing bearing is impregnated with the lubricating oil and is put into operation, the lubricating oil in the oil-containing bearing can automatically enter a lubricating surface to lubricate the bearing because the expansion coefficient of the oil is higher than that of metal, and the lubricating oil can be sucked back into pores when the mechanical equipment stops operating because the temperature of the oil-containing bearing is reduced;

the existing oil-containing bearing is easy to generate axial play in the using process, so that noise is easy to generate, and the stability is insufficient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems that axial movement easily occurs in the use process of the oil-retaining bearing in the prior art, noise is easily generated, and stability is insufficient, the oil-retaining bearing capable of preventing the axial movement is provided.

The utility model provides a technical scheme that its technical problem adopted is: an oil-retaining bearing for preventing axial float comprises a bearing body, wherein the left end part and the right end part of the bearing body both extend outwards to form annular extension parts, and the peripheral surfaces of the annular extension parts and the bearing body are positioned on the same peripheral surface;

the outer peripheral face of the annular extending portion is provided with an arc-shaped groove, a rubber strip matched with the arc-shaped groove is inserted into the arc-shaped groove, locking screws are arranged on the inner peripheral face of the annular extending portion, threaded ends of the locking screws are in threaded connection with the annular extending portion, the locking screws correspond to the rubber strips one to one, and the end portions of the threaded ends of the locking screws abut against the corresponding rubber strips.

Through the annular extension that extends in bearing body's the left and right sides both ends in this scheme to installation rubber strip and locking screw, and put into the arc wall with the form of pegging graft with the rubber strip, thereby when locking screw screwed up, can radially outwards promote the rubber strip, make it support the pore wall of dead eye, and then realize the locking of bearing body in the dead eye, prevent that it from producing axial float, and simple structure, convenient operation.

Furthermore, a plurality of strip-shaped notches are formed in the outer side surface of the rubber strip; the arrangement of the strip-shaped notch on the rubber strip can improve the friction force between the rubber strip and the bearing hole, thereby improving the firmness of fixation.

Furthermore, arc-shaped metal plates are fixed on the inner side surfaces of the rubber strips, and the end parts of the thread sections of the locking screws abut against the corresponding arc-shaped metal plates on the rubber strips; utilize locking screw to promote the arc metal sheet, the arc metal sheet promotes the rubber strip, can make the rubber strip atress even to improve the fixed effect of bearing body.

Further, the lateral surface protrusion of arc metal sheet has T type arch, the medial surface of rubber strip seted up with the protruding assorted T type groove of T type, T type arch is located T type inslot, utilizes the protruding cooperation in T type and T type groove to make the rubber strip fix on arc metal sheet.

The utility model has the advantages that: the utility model discloses prevent the oiliness bearing of axial float through both ends extend annular extension about the bearing body, so that installation rubber strip and locking screw, and put into the arc wall with the form of pegging graft with the rubber strip, thereby when locking screw screws up, can radially outwards promote the rubber strip, make it support the pore wall of dead eye, and then realize locking the bearing body in the dead eye, prevent that it from producing the axial float, and simple structure, convenient operation.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the axial float prevention oil impregnated bearing of the present invention;

FIG. 2 is an enlarged partial schematic view of A of FIG. 1;

FIG. 3 is a schematic sectional view taken along line B-B in FIG. 1

Fig. 4 is a schematic view of the present invention oil impregnated bearing preventing axial play installed in a bearing housing.

In the figure: 1. the bearing comprises a bearing body 101, an annular extension part 1011 and an arc-shaped groove;

2. a rubber strip 201, a strip-shaped notch 202 and a T-shaped groove;

3. locking the screw;

4. an arc-shaped metal plate 401 and a T-shaped bulge;

5. a bearing housing 501, a bearing hole;

6. a rotating shaft.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example 1

As shown in fig. 1-4, an oil-retaining bearing for preventing axial play comprises a bearing body 1, wherein the left end and the right end of the bearing body 1 both extend outwards to form an annular extension part 101, and the outer circumferential surface of the annular extension part 101 and the outer circumferential surface of the bearing body 1 are on the same circumferential surface;

the outer peripheral surface of the annular extension part 101 is provided with an arc-shaped groove 1011, a rubber strip 2 matched with the arc-shaped groove 1011 is inserted into the arc-shaped groove 1011, the inner peripheral surface of the annular extension part 101 is provided with a locking screw 3, the threaded end of the locking screw 3 is in threaded connection with the annular extension part 101, the locking screw 3 corresponds to the rubber strip 2 one by one, and the end part of the threaded end of the locking screw 3 abuts against the rubber strip 2 corresponding to the locking screw.

The outer side surface of the rubber strip 2 is provided with a plurality of strip-shaped notches 201; by means of the arrangement of the strip-shaped notch 201 on the rubber strip 2, the friction force between the rubber strip 2 and the bearing hole 501 can be improved, and accordingly the firmness of fixation is improved.

The inner side surfaces of the rubber strips 2 are all fixed with arc-shaped metal plates 4, and the end parts of the thread sections of the locking screws 3 abut against the corresponding arc-shaped metal plates 4 on the rubber strips 2; utilize locking screw 3 to promote arc metal sheet 4, arc metal sheet 4 promotes rubber strip 2, can make the 2 atress of rubber strip even to improve the fixed effect of bearing body 1.

The lateral surface protrusion of arc metal sheet 4 has protruding 401 of T type, the medial surface of rubber strip 2 seted up with the protruding 401 assorted T type groove 202 of T type, protruding 401 of T type is located T type groove 202, utilizes the protruding 401 of T type and the cooperation in T type groove 202 to make rubber strip 2 fix on arc metal sheet 4.

The oil-retaining bearing for preventing axial play of the embodiment is installed in a bearing box 5 as an example, the bearing box 5 has a bearing hole 501 therein, the bearing body 1 is inserted in the bearing hole 501, the rotating shaft 6 passes through the bearing body 1, then the locking screw 3 is screwed, the locking screw 3 pushes the rubber strip 2 radially outwards to make it abut against the hole wall of the bearing hole 501, and then the bearing body 1 is locked in the bearing hole 501 to prevent axial play, and the structure is simple and the operation is convenient.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An oiliness bearing of preventing axial float which characterized in that: the bearing comprises a bearing body (1), wherein the left end part and the right end part of the bearing body (1) both extend outwards to form an annular extension part (101), and the peripheral surface of the annular extension part (101) and the peripheral surface of the bearing body (1) are positioned on the same peripheral surface;

arc wall (1011) have been seted up to the outer peripheral face of annular extension (101), arc wall (1011) interpolation is equipped with rather than assorted rubber strip (2), the inner peripheral face of annular extension (101) is equipped with locking screw (3), the threaded end and the annular extension (101) threaded connection of locking screw (3), locking screw (3) and rubber strip (2) one-to-one, the threaded end tip of locking screw (3) supports rather than corresponding rubber strip (2).

2. The oil impregnated bearing preventing axial play according to claim 1, wherein: the outer side surface of the rubber strip (2) is provided with a plurality of strip-shaped notches (201).

3. The oil impregnated bearing preventing axial play according to claim 1, wherein: the inner side surfaces of the rubber strips (2) are all fixed with arc-shaped metal plates (4), and the end parts of the thread sections of the locking screws (3) are abutted against the corresponding arc-shaped metal plates (4) on the rubber strips (2).

4. The oil impregnated bearing preventing axial play according to claim 3, wherein: the lateral surface protrusion of arc metal sheet (4) has protruding (401) of T type, the medial surface of rubber strip (2) seted up with protruding (401) assorted T type groove (202) of T type, protruding (401) of T type is located T type groove (202).