CN210686643U

CN210686643U - Bearing convenient to change ball

Info

Publication number: CN210686643U
Application number: CN201921613143.4U
Authority: CN
Inventors: 黄炜; 梁亚芳
Original assignee: Xinchang County Dashi Juhengda Bearing Accessories Factory
Current assignee: Xinchang County Dashi Juhengda Bearing Accessories Factory
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-05
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a bearing convenient for replacing balls, which comprises an outer ring shaft sleeve, spherical balls and an inner ring shaft sleeve, wherein the spherical balls are uniformly arranged between the outer ring shaft sleeve and the inner ring shaft sleeve, and the spherical balls are rotationally connected with the outer ring shaft sleeve and the inner ring shaft sleeve, the inner ring shaft sleeve comprises a shaft sleeve and a movable block, the movable block is arranged on the outer side surface of the shaft sleeve, a bottom annular groove and a thread mounting hole are arranged on the shaft sleeve, the bottom annular groove is arranged in the middle of the outer side surface of the shaft sleeve, the utility model improves the traditional bearing structure to facilitate the user to directly replace the ball when the ball of the bearing is damaged or worn so as to ensure the purpose that the bearing can be used again, through the structure setting to the inner circle axle sleeve, let the user through the installation and the extraction of movable block when needs installation or dismantlement, accomplish the purpose that the ball was put into and was taken out from circular change hole.

Description

Bearing convenient to change ball

Technical Field

The utility model relates to a bearing technical field specifically is a bearing convenient to change ball.

Background

The rolling bearing developed on the basis of sliding bearing has the working principle that sliding friction is replaced by rolling friction, and a mechanical base part which is high in universality, standardization and serialization degree and is generally composed of two ferrules, a group of rolling bodies and a retainer is provided. For this purpose, the rolling bearing has various structures, but the most basic structure is composed of an inner ring, an outer ring, rolling bodies and a retainer, the rolling bodies are arranged uniformly between two rings in the bearing to make rolling motion, the shape, size and number of the rolling bodies directly affect the load capacity and service performance of the bearing, the retainer can not only separate the rolling bodies uniformly, but also guide the rolling bodies to rotate and improve the internal lubrication performance of the bearing, the rolling bodies are core elements in the rolling bearing, rolling friction exists between opposite moving surfaces due to the existence of the rolling bodies, and the types of the rolling bodies are balls, cylindrical rollers, tapered rollers, needle rollers and the like.

The utility model discloses an applicant discovers, and current bearing structure adopts fixed knot to construct mostly, in case the ball is in the bearing installation completion after, just hardly takes out it once more, if the bearing appears damaging in mechanical structure, generally all is whole change, so can cause cost of maintenance's increase.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing convenient to change ball, it is fixed to aim at improving traditional bearing arrangement, and it is difficult to take out the ball once more after accomplishing the installation, needs the whole bearing of changing during the maintenance, increases cost of maintenance's problem.

The utility model discloses a realize like this:

a bearing convenient for replacing balls comprises an outer ring shaft sleeve, spherical balls and an inner ring shaft sleeve, wherein the spherical balls are uniformly arranged between the outer ring shaft sleeve and the inner ring shaft sleeve, and the spherical balls are rotationally connected with the outer ring shaft sleeve and the inner ring shaft sleeve, the inner ring shaft sleeve comprises a shaft sleeve and a movable block, the movable block is arranged on the outer side surface of the shaft sleeve, and the movable block is in sliding connection with the shaft sleeve. When the movable block needs to be detached, the movable block is pulled out from the shaft sleeve, and the ball needing to be replaced rolls to the upper end of the circular replacing hole, so that the ball can be taken out.

Further, be provided with bottom ring channel and screw thread mounting hole on the axle sleeve, the bottom ring channel sets up the middle part at the axle sleeve lateral surface, the screw thread mounting hole sets up on the bottom surface of axle sleeve, is used for the normal slip use of the ball of being convenient for through the setting to the bottom ring channel to can cooperate the movable block to guarantee the steady operation of ball at the rotation in-process, the setting of screw thread mounting hole is used for cooperating the fixed orifices and uses, is convenient for fix the movable block on the axle sleeve.

Furthermore, a circular replacing hole is formed in the annular groove in the bottom, the diameter of the circular replacing hole is the same as that of the spherical ball, the circular replacing hole penetrates through the shaft sleeve, and the ball can conveniently enter and exit the shaft sleeve to be used through the arrangement of the circular replacing hole, so that the ball can be conveniently replaced by a user.

Further, set up on the axle sleeve lateral surface and put the bar groove, the circular change hole of bar groove perpendicular to is convenient for install the movable block through setting up the bar groove and is used to the shape setting through the bar groove, realization that can be fine is used with the cooperation in circular change hole, and the ball normal rotation after the installation still can not be influenced when being convenient for change the ball uses.

Further, the movable block up end is provided with the cooperation groove with bottom ring channel matched with, and the movable block head is provided with the connecting plate, movable block and connecting plate integrated into one piece are convenient for through the setting to the cooperation groove can not be to the destruction of axle sleeve installation movable block upper portion bottom ring channel on the axle sleeve lateral surface after, do not influence the normal slip of ball in the inside of bottom ring channel.

Furthermore, the connecting plate is provided with a fixing hole, the fixing hole is fixedly connected with the threaded mounting hole through a screw, and a user can conveniently fix the movable block through the screw by setting the fixing hole.

Furthermore, a top annular groove is formed in the outer ring shaft sleeve, the top annular groove is formed in the center of the inner side face of the outer ring shaft sleeve, the balls are conveniently clamped through the top annular groove, and the normal rotation of the balls is guaranteed through the cooperation of the bottom annular groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a bearing structure to traditional improves, comes the person of facilitating the use can directly change the ball when meetting bearing ball and damage or wearing and tearing and guarantee the purpose that the bearing can reuse, through the structure setting to the inner circle axle sleeve, lets the user through the installation and the extraction of movable block when needs installation or dismantlement, accomplishes the purpose that the ball was put into and was taken out from circular change hole.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of the device of the present invention;

FIG. 2 is a cross-sectional view of the device of FIG. 1 taken along the line A-A;

FIG. 3 is a view of the outer race sleeve of FIG. 1 in combination with spherical balls;

FIG. 4 is a perspective view of the inner race sleeve of FIG. 1;

FIG. 5 is a top view of the device shown in FIG. 4;

FIG. 6 is a front view of the device of FIG. 4;

FIG. 7 is a cross-sectional view of the device of FIG. 6 taken along the line A-A;

fig. 8 is a schematic structural view of the movable block shown in fig. 1.

In the figure: 1. an outer ring shaft sleeve; 11. a top annular groove; 2. a spherical ball; 3. an inner ring shaft sleeve; 31. a shaft sleeve; 310. a threaded mounting hole; 311. a bottom annular groove; 312. a circular replacement hole; 32. a movable block; 321. a mating groove; 322. a connecting plate; 323. a fixing hole; 33. a strip-shaped groove.

Detailed Description

For the purposes of making clear the objects, technical solutions and advantages of the embodiments of the present invention, the technical solutions of the embodiments of the present invention will be described more clearly and completely below, with reference to the drawings of the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by one of ordinary skill in the art without any inventive work belong to the scope of the present invention based on the embodiments of the present invention, and therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention, and all other embodiments obtained by one of ordinary skill in the art without any inventive work based on the embodiments of the present invention, all belong to the protection scope of the utility model.

Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, a bearing convenient for replacing balls comprises an outer ring sleeve 1, spherical balls 2 and an inner ring sleeve 3, wherein the spherical balls 2 are stably rotated by the mutual matching between the outer ring sleeve 1 and the inner ring sleeve 3, the spherical balls 2 are uniformly arranged between the outer ring sleeve 1 and the inner ring sleeve 3, the spherical balls 2 are rotatably connected with the outer ring sleeve 1 and the inner ring sleeve 3, the outer ring sleeve 1 is provided with a top annular groove 11, the top annular groove 11 is arranged at the center of the inner side surface of the outer ring sleeve 1, the balls 2 are conveniently clamped by the arrangement of the top annular groove 11, the normal rotation of the balls 2 is ensured by matching with a bottom annular groove 311, the conventional bearing structure is improved, so that a user can directly replace the balls to ensure the purpose that the bearing can be reused when the balls are damaged or worn, through the structural arrangement of the inner ring shaft sleeve 3, a user can take the movable block 32 out of the shaft sleeve when needing to be installed, put the ball 2 into the circular replacing hole 312, insert the movable block 32 into the shaft sleeve 31 after the completion and then fix the movable block 32 and the shaft sleeve 31 mutually through the thread installing hole 310, when needing to be disassembled, the movable block 32 is drawn out from the shaft sleeve 31, roll the ball 2 needing to be replaced to the upper end of the circular replacing hole 312, and then take the ball out, the inner ring shaft sleeve 3 comprises the shaft sleeve 31 and the movable block 32, the movable block 32 is arranged on the outer side surface of the shaft sleeve 31, the movable block 32 is connected with the shaft sleeve 31 in a sliding way, the shaft sleeve 31 is provided with a bottom annular groove 311 and the thread installing hole 310, the bottom annular groove 311 is arranged in the middle of the outer side surface of the shaft sleeve 31, the thread installing hole 310 is arranged on the bottom surface of the shaft sleeve 31, and the arrangement of the bottom, and can cooperate with the movable block 32 to guarantee the stable operation of the ball 2 in the rotating process, the arrangement of the threaded mounting hole 310 is used for cooperating with the fixed hole 323 for use, it is convenient to fix the movable block 32 on the shaft sleeve 31, the circular replacing hole 312 is arranged on the annular groove 311 at the bottom, the diameter of the circular replacing hole 312 is the same as that of the ball 2, and the circular replacing hole 312 penetrates through the shaft sleeve 31, the ball 2 can conveniently pass in and out the shaft sleeve 31 for use by arranging the circular replacing hole 312, and further the ball 2 can be conveniently replaced by a user, the outer side surface of the shaft sleeve 31 is provided with the strip-shaped groove 33, the strip-shaped groove 33 is perpendicular to the circular replacing hole 312, the movable block 32 can be conveniently installed for use by arranging the strip-shaped groove 33, the strip-shaped groove 33 can be well used in cooperation with the circular replacing hole 312, the normal rotating use of the installed ball 2 can not be influenced when the ball 2 is conveniently, the movable block 32 up end is provided with the cooperation groove 321 with bottom ring channel 311 matched with, and movable block 32 head is provided with connecting plate 322, movable block 32 and connecting plate 322 integrated into one piece, it can not be to the destruction of bottom ring channel 311 on the axle sleeve 31 lateral surface after axle sleeve 31 installation movable block 32 to be convenient for through the setting to cooperation groove 321, do not influence ball 2 in the inside normal slip of bottom ring channel 311, fixed orifices 323 has been seted up on the connecting plate 322, fixed orifices 323 passes through screw (not mark in the figure) and threaded mounting hole 310 fixed connection, come the person of facilitating the use through the fixed use of screw to movable block 32 through the setting to fixed orifices 323.

The device obtained by the design can basically meet the use requirement of the bearing convenient for replacing the ball, but the designer improves the device further with the aim of further improving the function of the device.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bearing convenient to change ball, includes outer lane axle sleeve (1), spherical ball (2) and inner circle axle sleeve (3), its characterized in that: spherical ball (2) evenly set up between outer lane axle sleeve (1) and inner circle axle sleeve (3), and spherical ball (2) all rotate with outer lane axle sleeve (1) and inner circle axle sleeve (3) and be connected, inner circle axle sleeve (3) are including axle sleeve (31) and movable block (32), movable block (32) set up on axle sleeve (31) lateral surface, and movable block (32) and axle sleeve (31) sliding connection.

2. A bearing facilitating ball replacement according to claim 1, wherein the sleeve (31) is provided with a bottom annular groove (311) and a threaded mounting hole (310), the bottom annular groove (311) is arranged in the middle of the outer side surface of the sleeve (31), and the threaded mounting hole (310) is arranged on the bottom surface of the sleeve (31).

3. A bearing convenient for replacing balls according to claim 2, characterized in that the bottom annular groove (311) is provided with a circular replacing hole (312), the diameter of the circular replacing hole (312) is the same as that of the spherical ball (2), and the circular replacing hole (312) penetrates through the shaft sleeve (31).

4. A bearing with easy replacement of balls as claimed in claim 3, wherein the shaft sleeve (31) is provided with a strip-shaped groove (33) on its outer side, the strip-shaped groove (33) is perpendicular to the circular replacement hole (312).

5. A bearing facilitating ball replacement according to claim 4, wherein the upper end face of the movable block (32) is provided with a matching groove (321) matched with the annular groove (311) at the bottom, the head of the movable block (32) is provided with a connecting plate (322), and the movable block (32) and the connecting plate (322) are integrally formed.

6. A bearing convenient for replacing a ball according to claim 5, wherein the connecting plate (322) is provided with a fixing hole (323), and the fixing hole (323) is fixedly connected with the threaded mounting hole (310) through a screw.

7. A bearing facilitating ball replacement according to any of claims 1-6, wherein the outer sleeve (1) is provided with a top annular groove (11), the top annular groove (11) being provided in the centre of the inner side of the outer sleeve (1).