CN214788607U

CN214788607U - Copper retainer of double-row outer-ring-free cylindrical roller bearing

Info

Publication number: CN214788607U
Application number: CN202121313483.2U
Authority: CN
Inventors: 王继伟; 徐风霞; 马振峰
Original assignee: Shandong Gongyi Bearing Manufacturing Co ltd
Current assignee: Shandong Gongyi Bearing Manufacturing Co ltd
Priority date: 2021-06-12
Filing date: 2021-06-12
Publication date: 2021-11-19
Anticipated expiration: 2031-06-12

Abstract

The utility model discloses a biserial does not have outer lane cylindrical roller bearing copper holder, including the holder main part, holder main part upper end fixed surface installs the outer lane No. one, an outer lane inboard is located holder main part upper end movable surface embedding installs the inner circle No. one, holder main part lower extreme fixed surface installs the outer lane No. two, No. two outer lane inboards are located holder main part lower extreme movable surface embedding installs the inner circle No. two, the ball is installed in the inside movable embedding of holder main part, ball upper end surface and the equal fixed mounting in lower extreme surface have the pivot. A biserial no outer lane cylindrical roller bearing copper holder, can replace plastic casing to fix when the transportation, avoid the ball to drop from the inner circle surface, reduce the installation of ball simultaneously and dismantle the degree of difficulty, improve the stability of ball, and dislocation when avoiding the ball to rotate reduces the wearing and tearing of ball.

Description

Copper retainer of double-row outer-ring-free cylindrical roller bearing

Technical Field

The utility model relates to a holder field, in particular to double-row does not have outer lane cylindrical roller bearing copper holder.

Background

The double-row outer ring-free cylindrical roller bearing is a full-complement cylindrical roller bearing with an outer ring without an outer sleeve, is reinforced by a transparent plastic sleeve or a nylon sleeve in the transportation process, is divided into a single-row outer ring-free bearing and a double-row outer ring-free bearing, and is mainly used in inner holes of planet wheels and sun wheels of an industrial planet wheel speed reducer and other occasions with high requirements on performance and reliability and extremely small installation space; the existing double-row outer ring-free cylindrical roller bearing has certain defects when in use, is fixed by a plastic shell during transportation, and when the plastic shell is damaged, balls can drop from the surface of an inner ring, and the balls are not supported by a retainer when rotating, so that the balls are easy to dislocate to increase the abrasion of the balls, and the bearing can stop rotating.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-row does not have outer lane cylindrical roller bearing copper holder can effectively solve the problem in the background art.

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

the utility model provides a double-row does not have outer lane cylindrical roller bearing copper holder, includes the holder main part, holder main part upper end fixed surface installs No. one the outer lane, an outer lane inboard is located holder main part upper end movable surface embedding installs the inner circle No. one, holder main part lower extreme fixed surface installs No. two outer lanes, No. two outer lane inboard is located holder main part lower extreme movable surface embedding installs the inner circle No. two.

Preferably, the inside activity embedding of holder main part has the ball, ball upper end surface and lower extreme surface all fixed mounting have the pivot, the inside biserial ball vertical direction of holder main part does not coincide.

Preferably, the surface of the retainer body and one end of the ball are provided with a first hole, and the ball is movably connected with the first hole through the rotating shaft.

Preferably, No. two holes are formed in the inner side surfaces of the first outer ring and the second outer ring and the outer side surfaces of the first inner ring and the second inner ring.

Preferably, the rotating shaft is movably connected with the first outer ring, the second outer ring, the first inner ring and the second inner ring through the second hole respectively.

Preferably, thread grooves are formed in the surfaces of the first outer ring, the second outer ring, the first inner ring and the second inner ring, screws are movably embedded in the surfaces of the first outer ring and the second outer ring, and the screws are respectively movably connected with the first outer ring, the second outer ring, the first inner ring and the second inner ring through the thread grooves.

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

in the utility model, the balls are arranged in the retainer body from the inner side of the retainer body, the rotating shaft at the lower end of the balls is inserted into the first hole, the first inner ring is embedded into the first outer ring, the second hole surrounds the rotating shaft at the upper end of the balls, then the screw is screwed into the thread groove, so that the first outer ring and the first inner ring are fixed, finally the retainer body is turned over, the process is repeated, the other row of balls are arranged, so that the balls are arranged in the retainer body, otherwise, the balls can be quickly disassembled from the retainer body, the difficulty of the assembly and disassembly of the balls is reduced, the dislocation of the balls during rotation is avoided, meanwhile, the plastic shell is replaced for fixing during transportation, the balls are prevented from falling off from the surface of the bearing inner ring, the stability of the balls is improved, the rotating shaft can share the force applied when the balls rotate when the balls are convenient to disassemble and assemble, the friction between the balls and the retainer body is reduced, and the abrasion of the balls is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a copper retainer for a double-row outer-ring-free cylindrical roller bearing of the present invention;

FIG. 2 is a disassembled view of the copper retainer of the double-row outer-ring-free cylindrical roller bearing of the present invention;

FIG. 3 is a view showing the structure of a first inner ring and a first outer ring of the copper retainer for a double-row outer-ring-free cylindrical roller bearing of the present invention;

fig. 4 is the sectional view of the overall structure of the copper retainer for the double-row outer ring-free cylindrical roller bearing of the present invention.

In the figure: 1. a holder body; 101. a first hole; 2. an outer ring I; 201. a second hole; 3. a first inner ring; 301. a thread groove; 4. a second outer ring; 5. a second inner ring; 6. a ball bearing; 601. a rotating shaft; 7. and (4) screws.

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.

As shown in fig. 1-4, a copper retainer for a double-row outer-ring-free cylindrical roller bearing comprises a retainer body 1, wherein a first outer ring 2 is fixedly installed on the upper end surface of the retainer body 1, a first inner ring 3 is movably embedded and installed on the surface of the upper end of the retainer body 1 at the inner side of the first outer ring 2, a second outer ring 4 is fixedly installed on the surface of the lower end of the retainer body 1, and a second inner ring 5 is movably embedded and installed on the surface of the lower end of the retainer body 1 at the inner side of the second outer ring 4;

the balls 6 are movably embedded in the retainer body 1, the upper end surface and the lower end surface of each ball 6 are fixedly provided with the rotating shaft 601, the double rows of balls 6 in the retainer body 1 are not overlapped in the vertical direction, and the rotating shafts 601 can share the force received by the balls 6 when the balls 6 are convenient to detach and mount, so that the friction between the balls 6 and the retainer body 1 is reduced, and the abrasion of the balls 6 is reduced; a first hole 101 is formed in the surface of the retainer body 1 and one end of the ball 6, and the ball 6 is movably connected with the first hole 101 through a rotating shaft 601; the inner side surfaces of the first outer ring 2 and the second outer ring 4 and the outer side surfaces of the first inner ring 3 and the second inner ring 5 are both provided with a second hole 201; the rotating shaft 601 is movably connected with the first outer ring 2, the second outer ring 4, the first inner ring 3 and the second inner ring 5 through the second hole 201 respectively; no. 2 outer lane, No. two outer lanes 4, thread groove 301 has all been seted up on inner circle 3 and No. two 5 surfaces of inner circle, screw 7 is installed in the equal movable embedding in outer lane 2 and No. two 4 surfaces of outer lane, screw 7 pass through thread groove 301 respectively with an outer lane 2, No. two outer lanes 4, No. 3 inner circles and No. two 5 swing joint of inner circle, reduce the installation and the dismantlement degree of difficulty of ball 6, and dislocation when avoiding ball 6 to rotate, replace plastic casing when the transportation simultaneously and fix, avoid ball 6 to drop from the bearing inner circle surface, improve ball 6's stability.

It should be noted that, the utility model relates to a copper retainer of a double-row no-outer-ring cylindrical roller bearing, when installing, the ball 6 is installed inside the retainer body 1 from the inner side of the retainer body 1, the rotating shaft 601 at the lower end of the ball 6 is inserted into the first hole 101, the first inner ring 3 is embedded into the first outer ring 2, the second hole 201 surrounds the rotating shaft 601 at the upper end of the ball 6, then the screw 7 is screwed into the thread groove 301, so that the first outer ring 2 and the first inner ring 3 are fixed, finally, the retainer body 1 is turned over, the above process is repeated, the installation of the other row of ball 6 is carried out, so that the ball 6 is installed inside the retainer body 1, otherwise, the ball 6 can be quickly disassembled from the interior of the retainer body 1, the difficulty of the installation and the disassembly of the ball 6 is reduced, and the dislocation of the ball 6 when the rotation is avoided, meanwhile, the plastic shell is replaced for fixing when transporting, the balls 6 are prevented from falling from the surface of the inner ring of the bearing, the stability of the balls 6 is improved, the rotating shaft 601 enables the balls 6 to be convenient to detach and install, and meanwhile, the force received when the balls 6 rotate can be shared, the friction between the balls 6 and the retainer body 1 is reduced, and the abrasion of the balls 6 is 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

1. The utility model provides a biserial does not have outer lane cylindrical roller bearing copper holder which characterized in that: including holder main part (1), holder main part (1) upper end fixed surface installs outer lane (2) No. one, No. one outer lane (2) inboard is located holder main part (1) upper end surface activity embedding installs inner circle (3) No. one, holder main part (1) lower extreme fixed surface installs No. two outer lanes (4), No. two outer lanes (4) inboard is located holder main part (1) lower extreme surface activity embedding installs No. two inner circles (5).

2. The copper retainer of the double-row outer-ring-free cylindrical roller bearing according to claim 1, characterized in that: the ball (6) is installed in the inside activity embedding of holder main part (1), ball (6) upper end surface and the equal fixed mounting of lower extreme surface have pivot (601), the inside double row ball (6) vertical direction of holder main part (1) does not coincide.

3. The copper retainer of the double-row outer-ring-free cylindrical roller bearing according to claim 2, characterized in that: the surface of the retainer body (1) and one end of the ball (6) are provided with a hole (101), and the ball (6) is movably connected with the hole (101) through the rotating shaft (601).

4. The copper retainer of the double-row outer-ring-free cylindrical roller bearing according to claim 2, characterized in that: no. two holes (201) are formed in the inner side surfaces of the first outer ring (2) and the second outer ring (4) and the outer side surfaces of the first inner ring (3) and the second inner ring (5).

5. The double-row outer-ring-free cylindrical roller bearing copper retainer according to claim 4, characterized in that: the rotating shaft (601) is movably connected with the first outer ring (2), the second outer ring (4), the first inner ring (3) and the second inner ring (5) through the second hole (201).

6. The double-row outer-ring-free cylindrical roller bearing copper retainer according to claim 5, characterized in that: no. one outer lane (2), No. two outer lanes (4), inner circle (3) with thread groove (301) have all been seted up on No. two inner circles (5) surfaces, No. one outer lane (2) with screw (7) are installed in the equal activity embedding in No. two outer lanes (4) surfaces, screw (7) pass through thread groove (301) respectively with No. one outer lane (2), No. two outer lanes (4), inner circle (3) with No. two inner circles (5) swing joint.