CN216131243U - Double-inner-ring double-row angular contact thrust ball bearing - Google Patents

Abstract

The utility model provides a double-inner-ring double-row angular contact thrust ball bearing, which relates to the technical field of bearings and comprises a device body; the device body center is provided with the spacing section of thick bamboo that bears of upper and lower direction, bear the inside circumference of a spacing section of thick bamboo and all seted up the coincidence annular from top to bottom, the anticreep annular has been seted up in the middle of the coincidence annular of bearing the spacing section of thick bamboo, bear the outside circumference of a spacing section of thick bamboo and all seted up the triangle annular from top to bottom, bear the setting of a spacing section of thick bamboo, make things convenient for ball holder card to go into to install and carry out spacing anticreep at the outside circumference to bearing outer lane section of thick bamboo, it is spacing to make things convenient for bearing inner race card to go into inside circumference to carry out the anticreep, realize from this that bearing inner race is spacing inside bearing outer lane section of thick bamboo, it can easily lead to lose easily to take off from bearing inner race inside to have solved the bearing inner race, inconvenient problem through spacing with bearing inner race spacing inside bearing outer lane through a spacing section of thick bamboo.

Description

Double-inner-ring double-row angular contact thrust ball bearing

Technical Field

The utility model belongs to the technical field of bearings, and particularly relates to a double-inner-ring double-row angular contact thrust ball bearing.

Background

The double row angular contact ball bearing can bear radial load and axial load acting in two directions, and can limit axial displacement of the shaft or the housing in two directions.

Based on the above, the present inventors found that the conventional double inner ring double row angular contact thrust ball bearing has the following disadvantages:

1. the bearing inner ring can be easily taken down from the inside of the bearing outer ring, so that the bearing inner ring is easily lost, and the bearing inner ring is inconvenient to be limited in the bearing outer ring through the limiting cylinder;

2. the rolling body between the inner ring and the outer ring of the bearing is exposed outside and easily enters dust to cause abrasion, so that the gap between the inner ring and the outer ring is inconvenient to be sealed by clamping a dust-proof cylinder outside the inner ring of the bearing.

In view of the above, the present invention provides a double inner ring double row angular contact thrust ball bearing, which is improved in view of the conventional structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a double-inner-ring double-row angular contact thrust ball bearing, which aims to solve the problems that the existing bearing inner ring can be easily taken down from the inside of a bearing outer ring, so that the inner ring is easily lost, and the bearing inner ring is inconvenient to be limited in the bearing outer ring through a limiting cylinder; the problem that a rolling body between the inner ring and the outer ring of the bearing is exposed outside and easily enters dust to cause abrasion, and the gap between the inner ring and the outer ring is not conveniently sealed by clamping a dust-proof cylinder outside the inner ring of the bearing.

The purpose and the effect of the double-inner-ring double-row angular contact thrust ball bearing are achieved by the following specific technical means:

a double-inner ring and double-row angular contact thrust ball bearing comprises a device body;

the device body center is provided with the spacing section of thick bamboo of bearing of upper and lower direction, bears the weight of and all seted up the coincidence annular groove from top to bottom of the inside circumference of a spacing section of thick bamboo, bears the weight of and has seted up the anticreep annular in the middle of the coincidence annular groove of a spacing section of thick bamboo, bears the weight of and all seted up triangle annular from top to bottom of the outside circumference of a spacing section of thick bamboo.

Furthermore, a closed dust-proof cylinder is arranged in the clamping ring groove of the bearing inner ring cylinder, a contact ring is arranged on the end face of the inner side of the closed dust-proof cylinder, a fit ring plate is arranged on the inner circumference of the outer side of the closed dust-proof cylinder, and a clamping ring is arranged on the inner circumference of the fit ring plate of the closed dust-proof cylinder.

Further, the upper end face and the lower end face of the bearing limiting cylinder are clamped with a bearing inner ring cylinder, a track ring groove is formed in the periphery of the inner end face of the bearing inner ring cylinder, a fit cylinder is arranged in the middle of the inner end face of the bearing inner ring cylinder, an anti-drop ring is arranged on the outer circumference of the fit cylinder of the bearing inner ring cylinder, and a clamping ring groove is formed in the outer circumference of the bearing inner ring cylinder.

Furthermore, spherical rolling bodies are arranged in the spherical grooves of the ball retainer, and a wear-resistant layer is arranged on the outer surface of each spherical rolling body.

Further, the ball retainer is clamped and installed on the outer circumference of the bearing limiting cylinder up and down, the cross section of the ball retainer is of a diamond structure, and spherical grooves are formed in the peripheral annular array of the ball retainer.

Further, bear spacing section of thick bamboo outside circumference cover and be equipped with the bearing outer lane section of thick bamboo of direction from top to bottom, seted up the ring channel in the middle of the outside circumference of bearing outer lane section of thick bamboo, the clearing hole that runs through about both sides wall is all seted up to bearing outer lane section of thick bamboo left and right sides wall, the track annular has all been seted up to terminal surface inboard about the bearing outer lane section of thick bamboo, closed annular has all been seted up to the terminal surface outside about the bearing outer lane section of thick bamboo.

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

bear the setting of spacing section of thick bamboo, make things convenient for ball holder card to go on spacing anticreep at outside circumference to bearing outer lane section of thick bamboo, make things convenient for bearing inner race section of thick bamboo card to go into inside circumference and carry out the anticreep spacing, realize bearing inner race section of thick bamboo spacing inside bearing outer lane section of thick bamboo from this, solved the bearing inner race and can take off from bearing outer lane inside easily and lead to losing, inconvenient through spacing section of thick bamboo with the spacing problem inside bearing inner race.

The setting of a bearing inner race section of thick bamboo, conveniently seal a dust-proof section of thick bamboo card and go into to install at outside circumference, conveniently seal a dust-proof section of thick bamboo and insert bearing outer race section of thick bamboo terminal surface, conveniently seal through sealing a dust-proof section of thick bamboo outside gap between to bearing outer race section of thick bamboo and the bearing inner race section of thick bamboo, solved between the bearing inner race rolling element expose outside easy entering dust and cause wearing and tearing, inconvenient snap-in dust-proof section of thick bamboo outside the bearing inner race seals the problem in the inner race gap.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a schematic cross-sectional structure of the present invention.

Fig. 4 is a disassembled structure schematic diagram of the utility model.

In the figure: 1. a device body; 2. a bearing limit cylinder; 3. a bearing outer race tube; 4. a ball retainer; 5. a spherical rolling body; 6. a bearing inner race tube; 7. and sealing the dustproof cylinder.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like 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 "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a double-inner-ring double-row angular contact thrust ball bearing, which comprises a device body 1;

the center of the device body 1 is provided with a bearing limiting cylinder 2 in the vertical direction, a ball retainer 4 and a bearing inner ring cylinder 6 are conveniently clamped into a limiting anti-drop way, the inner circumference of the bearing limiting cylinder 2 is provided with an upper and a lower matched ring grooves which are conveniently matched with the matched cylinder of the bearing inner ring cylinder 6, an anti-drop ring groove is arranged in the middle of the matched ring groove of the bearing limiting cylinder 2, the anti-drop ring of the bearing inner ring cylinder 6 is conveniently clamped, the outer circumference of the bearing limiting cylinder 2 is provided with a triangular ring groove in the upper and the lower parts, the ball retainer 4 is conveniently clamped into the anti-drop way, the outer circumference of the bearing limiting cylinder 2 is sleeved with a bearing outer ring cylinder 3 in the vertical direction, the ball retainer 4 is conveniently assembled, the outer circumference of the bearing outer ring cylinder 3 is provided with a ring groove in the middle, lubrication is convenient, the left side wall and the right side wall of the bearing outer ring cylinder 3 are provided with through holes in the left and right side, the lubrication and heat dissipation are convenient, the inner sides of the upper end surface and the lower end surface of the bearing outer ring cylinder 3 are provided with track ring grooves, make things convenient for spherical rolling element 5 to roll, the closed annular groove has all been seted up in the terminal surface outside about the bearing outer race section of thick bamboo 3, conveniently seal dustproof section of thick bamboo 7 and insert and seal, bear 2 outside circumferences of spacing section of thick bamboo all block in from top to bottom and install ball retainer 4, prevent that spherical rolling element 5 from colliding each other, ball retainer 4 cross-section is the rhombus structure, prevent to rotate to bearing outer race section of thick bamboo 3 and bearing inner race section of thick bamboo 6 and cause the hindrance, the spherical groove has been seted up to the peripheral annular array of ball retainer 4, make things convenient for spherical rolling element 5 to put into the installation.

Wherein, the ball retainer 4 is provided with a ball-shaped rolling body 5 inside the ball groove for rolling conveniently, the outer surface of the ball-shaped rolling body 5 is provided with a wear-resistant layer for prolonging the service life conveniently, the upper and lower end surfaces of the bearing limit cylinder 2 are clamped and provided with a bearing inner ring cylinder 6 for rotating conveniently through the ball-shaped rolling body 5, the inner side surface of the bearing inner ring cylinder 6 is provided with a track ring groove at the periphery for rolling conveniently, the inner side surface of the bearing inner ring cylinder 6 is provided with a matching cylinder at the middle for matching with the bearing limit cylinder 2, the outer circumference of the matching cylinder of the bearing inner ring cylinder 6 is provided with an anti-slip ring for preventing the bearing limit cylinder 2 from slipping off conveniently, the outer circumference of the bearing inner ring cylinder 6 is provided with a clamping ring groove for clamping conveniently, the sealing dust cylinder 7 is clamped and installed conveniently, the sealing dust cylinder 7 is installed inside the clamping ring groove of the bearing inner ring cylinder 6 for sealing the gap between the bearing outer ring cylinder 3 and the bearing inner ring cylinder 6 conveniently, the inner side end face of the sealed dustproof cylinder 7 is provided with a contact ring which is convenient to contact with the bearing outer ring cylinder 3, the inner circumference of the outer side of the sealed dustproof cylinder 7 is provided with a matching ring plate to prevent blocking of the spherical rolling body 5, the inner circumference of the matching ring plate of the sealed dustproof cylinder 7 is provided with a clamping ring, and the clamping ring is convenient to clamp and install on the outer circumference of the bearing inner ring cylinder 6.

The specific use mode and function of the embodiment are as follows:

according to the utility model, the bearing limiting cylinder 2 is convenient for the ball retainer 4 to be clamped and installed on the outer circumference to limit and prevent the bearing outer ring cylinder 3 from falling off, and the bearing inner ring cylinder 6 is convenient to be clamped and installed on the inner circumference to limit and prevent the bearing inner ring cylinder 6 from falling off, so that the bearing inner ring cylinder 6 is limited in the bearing outer ring cylinder 3, and the problems that a bearing inner ring can be easily taken off from the inside of a bearing outer ring, easily falls off and is lost, and the bearing inner ring is inconvenient to be limited in the bearing outer ring through the limiting cylinder are solved; wherein bearing inner race section of thick bamboo 6 conveniently seals dust-proof cylinder 7 card and goes into to install outside circumference, conveniently seals dust-proof cylinder 7 and inserts bearing outer race section of thick bamboo 3 terminal surface, conveniently seals through sealing dust-proof cylinder 7 outside gap between bearing outer race section of thick bamboo 3 and the bearing inner race section of thick bamboo 6, has solved that the rolling element exposes between the bearing inner and outer lane and has got into the dust easily outside and cause wearing and tearing, inconvenient inside and outside outer lane gap confined problem of dust-proof cylinder of card income outside the bearing inner race.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. The utility model provides a two inner circle biserial angular contact thrust ball bearing which characterized in that: comprises a device body (1),

the device body (1) center is provided with the spacing section of thick bamboo of bearing (2) of upper and lower direction, bears the inside circumference of a spacing section of thick bamboo (2) and has all seted up the coincidence annular from top to bottom, bears the coincidence annular of a spacing section of thick bamboo (2) and has seted up the anticreep annular in the middle of the coincidence annular, bears the outside circumference of a spacing section of thick bamboo (2) and has all seted up the triangle annular from top to bottom.

2. A double inner race double row angular contact thrust ball bearing according to claim 1, wherein: bear spacing section of thick bamboo (2) outside circumference cover and be equipped with bearing outer lane section of thick bamboo (3) of upper and lower direction, seted up the ring channel in the middle of bearing outer lane section of thick bamboo (3) outside circumference, the clearing hole that runs through about bearing outer lane section of thick bamboo (3) left and right sides wall is all seted up, the track annular has all been seted up to terminal surface inboard about bearing outer lane section of thick bamboo (3), closed annular has all been seted up in the terminal surface outside about bearing outer lane section of thick bamboo (3).

3. A double inner race double row angular contact thrust ball bearing according to claim 2, wherein: the bearing limiting cylinder (2) is provided with a ball retainer (4) in an up-down clamping mode on the outer circumference, the cross section of the ball retainer (4) is of a diamond structure, and spherical grooves are formed in the peripheral annular array of the ball retainer (4).

4. A double inner race double row angular contact thrust ball bearing according to claim 3, wherein: and spherical rolling bodies (5) are arranged in the spherical grooves of the ball retainer (4), and a wear-resistant layer is arranged on the outer surface of each spherical rolling body (5).

5. A double inner race double row angular contact thrust ball bearing according to claim 3, wherein: bearing limit cylinder (2) about the terminal surface all the card go into install bearing inner circle section of thick bamboo (6), track annular has been seted up to bearing inner circle section of thick bamboo (6) medial surface periphery, is provided with in the middle of bearing inner circle section of thick bamboo (6) medial surface and agrees with a section of thick bamboo, the agreeing with a section of thick bamboo outside circumference of bearing inner circle section of thick bamboo (6) is provided with the anticreep ring, bearing inner circle section of thick bamboo (6) outside circumference has been seted up and has been gone into the card and go into the annular.

6. A double inner race double row angular contact thrust ball bearing according to claim 5, wherein: a sealed dust-proof cylinder (7) is arranged in a clamping ring groove of the bearing inner ring cylinder (6), a contact ring is arranged on the end face of the inner side of the sealed dust-proof cylinder (7), a fit ring plate is arranged on the inner circumference of the outer side of the sealed dust-proof cylinder (7), and a clamping ring is arranged on the inner circumference of the fit ring plate of the sealed dust-proof cylinder (7).

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