CN213808539U

CN213808539U - End-protected oil-retaining bearing

Info

Publication number: CN213808539U
Application number: CN202022574992.2U
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: 2021-07-27
Anticipated expiration: 2030-11-09

Abstract

The utility model relates to the technical field of oil-retaining bearings, in particular to an end-protected oil-retaining bearing, which comprises a bearing body with a shaft hole, a left plastic cover and a right plastic cover; a left connecting column protrudes from the middle part of the left plastic cover, and a left rubber sleeve is sleeved on the left connecting column; the middle part protrusion of right side plastics lid has the right side spliced pole, the cover is equipped with right rubber sleeve on the spliced pole of the right side, its left end of utilizing the left rubber sleeve shutoff of left plastics lid to plug the shaft hole, the right-hand member in shaft hole is plugged to the right rubber sleeve shutoff of right side plastics lid, form the protection to the shaft hole of bearing body, prevent in transportation and storage process, the dust enters into the shaft hole of bearing body, ensure that the shaft hole possesses predetermined cleanliness factor when using bearing body, prevent that the pivot in the shaft hole appears rotating the jamming's problem because of the dirt that the shaft hole is stained with and attaches in transportation and the storage process when using, left protection ring and right protection ring can prevent that the left end tip and the right-hand member tip of bearing body from appearing collision damage in transportation and storage process simultaneously.

Description

End-protected oil-retaining bearing

Technical Field

The utility model belongs to the technical field of the oiliness bearing technique and specifically relates to an oiliness bearing of tip protection.

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-retaining bearing is generally not provided with protective measures, and the shaft hole of the oil-retaining bearing is easy to enter dust and generate dirt in the transportation and storage processes, so that the problem that the rotating shaft in the shaft hole is easy to rotate and block due to the dirt in the use process is solved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems that the prior oiliness bearing is generally not provided with protective measures, dust easily enters the shaft hole of the oiliness bearing in the transportation and storage processes, dirt appears, and the rotating shaft in the shaft hole is easy to rotate and block due to the dirt when in use, the oiliness bearing with the end part protection is provided.

The utility model provides a technical scheme that its technical problem adopted is: an end-protected oil-impregnated bearing comprises a bearing body with a shaft hole, a left plastic cover and a right plastic cover;

a left connecting column protrudes from the middle part of the left plastic cover, a left protecting ring protrudes rightwards from the end face of the right end of the left plastic cover, a left rubber sleeve is sleeved on the left connecting column, the left connecting column is inserted into the left end of the shaft hole, the left rubber sleeve blocks the left end of the shaft hole and is in interference fit with the shaft hole, and the left protecting ring is sleeved at the left end of the outer peripheral surface of the bearing body;

the middle part protrusion of right side plastics lid has right spliced pole, the left end tip of right side plastics lid has right protection ring to left protrusion, the cover is equipped with right rubber sleeve on the spliced pole of the right side, the right-hand member in establishing the shaft hole is inserted to the spliced pole of the right side, the right-hand member in shaft hole is plugged up to right side rubber sleeve to with shaft hole interference fit, right side protection ring cover is established at the right-hand member of bearing body outer peripheral face.

Utilize the left rubber sleeve shutoff of left plastics lid in this scheme to plug up the left end in shaft hole, the right-hand member in shaft hole is plugged up to the right rubber sleeve shutoff of right plastics lid, form the protection in order to the shaft hole of bearing body, prevent in transportation and storage process, the dust enters into the shaft hole of bearing body, ensure that the bearing body shaft hole possesses predetermined cleanliness factor when using, prevent that the downthehole pivot of shaft is stained with the problem that the rotation jamming appears because of the dirt that attaches in transportation and the storage process, left protection ring and right protection ring can prevent that the left end tip and the right-hand member tip of bearing body from appearing collision damage in transportation and storage process simultaneously.

Furthermore, a plurality of left bulges are arranged on the left connecting column, left clamping grooves matched with the left bulges are arranged on the inner circumferential surface of the left rubber sleeve, the left bulges are in one-to-one correspondence with the left clamping grooves, and the left bulges are positioned in the left clamping grooves corresponding to the left bulges, so that the left rubber sleeve is fixed on the left connecting column;

the right connecting column is provided with a plurality of right bulges, the inner circumferential surface of the right rubber sleeve is provided with right clamping grooves matched with the right bulges, the right bulges are in one-to-one correspondence with the right clamping grooves, and the right bulges are positioned in the right clamping grooves corresponding to the right bulges; thereby fixing the right rubber sleeve on the right connecting column.

Furthermore, a plurality of left buffer holes penetrate through the left protection ring along the axial direction of the shaft hole, and a plurality of right buffer holes penetrate through the right protection ring along the axial direction of the shaft hole; utilize the setting in left cushion hole and right cushion hole, can receive when colliding at the tip of bearing body, can provide certain buffering to better form the protection to the bearing body.

The utility model has the advantages that: the utility model discloses the oiliness bearing of tip protection utilizes the left rubber sleeve shutoff of left plastics lid to block up the left end in shaft hole, the right-hand member in shaft hole is blocked up to the right rubber sleeve shutoff of right plastics lid, form the protection with the shaft hole to the bearing body, prevent in transportation and storage process, the dust enters into the shaft hole of bearing body, ensure that the bearing body holds predetermined cleanliness factor in the shaft hole when using, prevent that the pivot in the shaft hole from appearing rotating the problem of jamming because of the dirt that the shaft hole is stained with and attaches in transportation and storage process when using, left protection ring and right protection ring can prevent that the left end tip and the right-hand member tip of bearing body from appearing collision damage in transportation and storage process simultaneously.

Drawings

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

FIG. 1 is a schematic view of an end protected oil impregnated bearing of the present invention;

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

FIG. 3 is an enlarged partial schematic view of B of FIG. 1;

fig. 4 is a left side schematic view of the left plastic cover of the present invention;

fig. 5 is a right side schematic view of the right plastic cover of the present invention.

In the figure: 1. a bearing body 11 and a shaft hole;

2. the left plastic cover 21, a left connecting column 211, a left bulge 22, a left protecting ring 221 and a left buffer hole;

3. a right plastic cover 31, a right connecting column 311, a right bulge 32, a right protecting ring 321 and a right buffer hole;

4. a left rubber sleeve 41 and a left clamping groove;

5. right rubber sleeve, 51, right draw-in groove.

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 to 5, an end-protected oil-impregnated bearing includes a bearing body 1 having a shaft hole 11, a left plastic cover 2, and a right plastic cover 3;

a left connecting post 21 protrudes from the middle part of the left plastic cover 2, a left protecting ring 22 protrudes rightwards from the right end face of the left plastic cover 2, a left rubber sleeve 4 is sleeved on the left connecting post 21, the left connecting post 21 is inserted at the left end of the shaft hole 11, the left rubber sleeve 4 blocks the left end of the shaft hole 11 and is in interference fit with the shaft hole 11, and the left protecting ring 22 is sleeved at the left end of the outer peripheral face of the bearing body 1;

the middle part protrusion of right side plastic cover 3 has right spliced pole 31, the left end tip of right side plastic cover 3 has right protection ring 32 to left side protrusion, the cover is equipped with right rubber sleeve 5 on the spliced pole 31 of the right side, right side spliced pole 31 is inserted and is established the right-hand member in shaft hole 11, the right-hand member in shaft hole 11 is blocked in right side rubber sleeve 5 stopper to with 11 interference fit in shaft hole, the right-hand member at 1 outer peripheral face of bearing body is established to right side protection ring 32 cover.

The left connecting column 21 is provided with a plurality of left protrusions 211, the inner circumferential surface of the left rubber sleeve 4 is provided with left clamping grooves 41 matched with the left protrusions 211, the left protrusions 211 correspond to the left clamping grooves 41 one by one, and the left protrusions 211 are positioned in the left clamping grooves 41 corresponding to the left protrusions 211, so that the left rubber sleeve 4 is fixed on the left connecting column 21;

the right connecting column 31 is provided with a plurality of right protrusions 311, the inner circumferential surface of the right rubber sleeve 5 is provided with right clamping grooves 51 matched with the right protrusions 311, the right protrusions 311 correspond to the right clamping grooves 51 one by one, and the right protrusions 311 are positioned in the right clamping grooves 51 corresponding to the right protrusions; thereby fixing the right rubber boot 5 to the right connecting post 31.

A plurality of left buffer holes 221 penetrate through the left protection ring 22 along the axial direction of the shaft hole 11, and a plurality of right buffer holes 321 penetrate through the right protection ring 32 along the axial direction of the shaft hole 11; utilize the setting of left cushion hole 221 and right cushion hole 321, can receive when colliding at the tip of bearing body 1, can provide certain buffering to better form the protection to bearing body 1.

When bearing body 1 specifically used in this embodiment, after taking off left plastic cover 2 and right plastic cover 3, alright install and use in the pivot.

Utilize left rubber sleeve 4 of left plastic cover 2 to block up the left end in shaft hole 11 in this embodiment, the right-hand member in shaft hole 11 is blocked up to right plastic cover 3's right rubber sleeve 5, form the protection to shaft hole 11 of bearing body 1, prevent in transportation and storage process, the dust enters into in shaft hole 11 of bearing body 1, ensure that bearing body 1 shaft hole 11 possesses predetermined cleanliness factor when using, prevent that the pivot in the shaft hole 11 from appearing rotating the problem of jamming because of the dirt that shaft hole 11 is stained with and attaches in transportation and the storage process when using, left protection ring 22 and right protection ring 32 can prevent that collision damage from appearing in transportation and storage process in the left end tip and the right end tip of bearing body 1 simultaneously.

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 end-protected oil-retaining bearing, characterized in that: comprises a bearing body (1) with a shaft hole (11), a left plastic cover (2) and a right plastic cover (3);

a left connecting column (21) protrudes from the middle of the left plastic cover (2), a left protecting ring (22) protrudes rightwards from the end face of the right end of the left plastic cover (2), a left rubber sleeve (4) is sleeved on the left connecting column (21), the left connecting column (21) is inserted at the left end of the shaft hole (11), the left end of the shaft hole (11) is blocked by the left rubber sleeve (4) and is in interference fit with the shaft hole (11), and the left protecting ring (22) is sleeved at the left end of the outer peripheral surface of the bearing body (1);

the middle part protrusion of right side plastics lid (3) has right spliced pole (31), the left end tip of right side plastics lid (3) has right protection ring (32) to left side protrusion, the cover is equipped with right rubber sleeve (5) on right side spliced pole (31), the right-hand member of establishing in shaft hole (11) is inserted in right side spliced pole (31), the right-hand member in shaft hole (11) is blocked in right side rubber sleeve (5) stopper to with shaft hole (11) interference fit, the right-hand member at bearing body (1) outer peripheral face is established to right side protection ring (32) cover.

2. An end-protected oil-impregnated bearing as claimed in claim 1, wherein: the left connecting column (21) is provided with a plurality of left protrusions (211), the inner circumferential surface of the left rubber sleeve (4) is provided with left clamping grooves (41) matched with the left protrusions (211), the left protrusions (211) correspond to the left clamping grooves (41) one by one, and the left protrusions (211) are located in the left clamping grooves (41) corresponding to the left protrusions;

the right connecting column (31) is provided with a plurality of right protrusions (311), the inner circumferential surface of the right rubber sleeve (5) is provided with right clamping grooves (51) matched with the right protrusions (311), the right protrusions (311) are in one-to-one correspondence with the right clamping grooves (51), and the right protrusions (311) are located in the right clamping grooves (51) corresponding to the right protrusions.

3. An end-protected oil-impregnated bearing as claimed in claim 1, wherein: the axis direction along shaft hole (11) goes up left side protection ring (22) and runs through there are a plurality of left buffering holes (221), the axis direction along shaft hole (11) goes up right side protection ring (32) and runs through there are a plurality of right buffering holes (321).