CN216343459U

CN216343459U - Deep groove ball bearing with good sealing performance

Info

Publication number: CN216343459U
Application number: CN202122496967.1U
Authority: CN
Inventors: 吴静毅
Original assignee: Linqing City Yi Xuan Bearing Co ltd
Current assignee: Linqing City Yi Xuan Bearing Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-19
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a deep groove ball bearing with good sealing property, belonging to the technical field of deep groove ball bearings, comprising a bearing body, a sealing cover and a movable sealing assembly, wherein the sealing cover is fixedly arranged on the side wall of the bearing body, the movable sealing assembly is movably clamped between the sealing cover and the bearing body, the bearing body comprises an outer shaft sleeve, an inner shaft ring, balls and ball supporting frames, the inner shaft ring is arranged on the inner ring of the outer shaft sleeve, the balls are movably arranged between the outer shaft sleeve and the inner shaft ring, the balls are sequentially supported and connected by the ball supporting frames, grooves for limiting the balls are arranged on the inner side of the outer shaft sleeve and the outer side of the inner shaft ring, under the premise of realizing the sealing of the bearing body, the movable sealing assembly can be conveniently and quickly clamped, the assembly and disassembly are quick, in addition of lubricating oil can be flexibly and conveniently carried out due to the hollow structure of a fixed adjusting rod, and the lubricating oil is uniformly dispersed on each ball.

Description

Deep groove ball bearing with good sealing performance

Technical Field

The utility model relates to a bearing, in particular to a deep groove ball bearing with good sealing performance, and belongs to the technical field of deep groove ball bearings.

Background

The deep groove ball bearing is the most widely applied rolling bearing in the market at present, has the characteristics of small friction resistance and high rotating speed, can be used on machine parts bearing radial load or combined load acting simultaneously in the radial direction and the axial direction, and can also be used on machine parts bearing axial load, such as small-power motors, automobile and tractor gearboxes, machine tool gearboxes, common machines, tools and the like, the deep groove ball bearing has a single-row structure and a double-row structure, the deep groove ball structure also has a sealing structure and an open structure, the open structure refers to that the bearing does not have a sealing structure, the sealing type deep groove ball is divided into a dustproof sealing structure and an oil-proof sealing structure, the dustproof sealing cover is made of steel plate punching, only the simple function of preventing dust from entering a bearing raceway and preventing oil type oil from being a contact type oil seal can be realized, the lubricating grease in the bearing from overflowing can be effectively prevented, but the basic structures of all the deep groove ball bearings are the same, the steel ball bearing is composed of an outer ring, an inner ring, a group of steel balls and a group of retainers.

Present deep groove ball bearing structure is ripe, can realize better bearing pressure effect, also can satisfy basic user demand, but in the in-service use process we discover, current deep groove ball bearing still has some weak points and need improve, on the one hand, current deep groove ball bearing leakproofness is mostly simple sealed lid realization, there is the space of improving, it is fixed with sealed lid that the structure is established to the part adoption card, but very loaded down with trivial details when dismantling, it is swift inadequately, on the other hand, current deep groove ball bearing is all loaded down with trivial details when adding lubricating oil, still need to wipe lubricating oil evenly through finger or other instruments, it is not convenient enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a deep groove ball bearing with good sealing performance, which can realize the sealing of a bearing body, the movable sealing assembly can be conveniently and quickly clamped in, the movable sealing assembly is quickly assembled and disassembled, the fixed adjusting rod is of a hollow structure, the lubricating oil can be flexibly and conveniently added, and the lubricating oil can be uniformly dispersed to each ball by the rotation of the two fixed adjusting rods.

The utility model achieves the aim through the following technical scheme, and the deep groove ball bearing with good sealing performance comprises a bearing body, a sealing cover and a movable sealing assembly, wherein the sealing cover is fixedly arranged on the side wall of the bearing body, and the movable sealing assembly is movably clamped between the sealing cover and the bearing body.

Preferably, in order to realize the basic bearing capacity of the bearing body, the bearing body comprises an outer shaft sleeve, an inner shaft ring, balls and ball support frames, the inner shaft ring is arranged on an inner ring of the outer shaft sleeve, the balls are movably arranged between the outer shaft sleeve and the inner shaft ring, the balls are sequentially supported and connected through the ball support frames, and grooves for limiting the balls are formed in the inner side of the outer shaft sleeve and the outer side of the inner shaft ring.

Preferably, in order to realize better sealed effect after making seal ring card go into the sealed cowling, the sealed cowling is close to the sealing washer holding tank has been seted up to the one side of bearing body, the sealing washer holding tank is kept away from the sealing washer draw-in groove has been seted up to one side of bearing body.

Preferably, in order to enable the sealing washer to be clamped into the sealing washer clamping groove more conveniently, one side of the sealing washer clamping groove is provided with a groove, and the other side of the sealing washer clamping groove is provided with an inclined groove.

Preferably, in order to realize the fixed effect of vacuum adsorption, and convenient the dismantlement for seal ring can be better when the installation exert external force, movable seal assembly establishes including the card seal ring, hollow fixed regulation pole, negative pressure absorption seat and the toper adsorption disc in the sealed cowling, fixed regulation pole welding is in on seal ring's the lateral wall, the toper adsorption disc with the negative pressure absorption seat is connected, the negative pressure adsorbs the built-in negative pressure pump of seat, the end of breathing in of negative pressure pump with toper adsorption disc intercommunication.

The utility model has the beneficial effects that: according to the utility model, the sealing cover and the movable sealing assembly are arranged outside the bearing body, the bearing body is sealed through the matching of the sealing cover and the movable sealing assembly, the movable sealing assembly can be conveniently and quickly clamped in through the inclined groove on the sealing cover, the movable sealing assembly can be quickly taken out through the two fixed adjusting rods, the assembly and disassembly are quick, the fixed adjusting rods are of hollow structures, the addition of lubricating oil can be flexibly and conveniently carried out, and the lubricating oil can be uniformly dispersed on each ball through the rotation of the two fixed adjusting rods.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic structural view of the movable seal assembly of the present invention.

Fig. 3 is a schematic view of the internal structure of the sealing cap of the present invention.

Fig. 4 is a schematic structural view of a bearing body according to the present invention.

In the figure: 1. a bearing body 1-1, an outer shaft sleeve 1-2, an inner shaft ring 1-3, balls 1-4 and a ball support frame,

2. 2-1 parts of a sealing cover, 2-2 parts of a sealing ring accommodating groove, 2-3 parts of a sealing ring clamping groove, 2-4 parts of a groove, and an inclined groove,

3. the device comprises a movable sealing assembly 3-1, a sealing washer 3-2, a fixed adjusting rod 3-3, a negative pressure adsorption seat 3-4 and a conical adsorption disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a deep groove ball bearing with good sealing performance includes a bearing body 1, a sealing cover 2 and a movable sealing assembly 3, the sealing cover 2 is fixedly disposed on a side wall of the bearing body 1, and the movable sealing assembly 3 is movably clamped between the sealing cover 2 and the bearing body 1.

As a technical optimization scheme of the utility model, as shown in figure 4, a bearing body 1 comprises an outer shaft sleeve 1-1, an inner shaft ring 1-2, balls 1-3 and ball support frames 1-4, wherein the inner shaft ring 1-2 is arranged in an inner ring of the outer shaft sleeve 1-1, the balls 1-3 are movably arranged between the outer shaft sleeve 1-1 and the inner shaft ring 1-2, the balls 1-3 are sequentially supported and connected through the ball support frames 1-4, grooves for limiting the balls 1-3 are arranged on the inner side of the outer shaft sleeve 1-1 and the outer side of the inner shaft ring 1-2, when the bearing is actually used, the structure of the bearing body 1 is the prior art, the inner shaft sleeve 1-2 is used for penetrating a rotating structure, the outer shaft sleeve 1-1 is kept fixed, the rotation of the inner shaft sleeve 1-2 is self-adapted by the rolling of the balls 1-3, a basic bearing structure is realized.

As a technical optimization scheme of the utility model, as shown in figure 3, one surface of a sealing cover 2 close to a bearing body 1 is provided with a sealing ring accommodating groove 2-1, one side of the sealing ring accommodating groove 2-1 far away from the bearing body 1 is provided with a sealing ring clamping groove 2-2, one side of the sealing ring clamping groove 2-2 is provided with a notch 2-3, and the other side of the sealing ring clamping groove 2-2 is provided with an inclined notch 2-4. in the utility model, the internal structure of the sealing cover 2 is used for clamping a movable sealing component 3, when in actual use, two ends of the movable sealing component 3 are respectively inserted into the inclined notches 2-4 in the upper and lower sealing ring clamping grooves 2-2, the inclined notches 2-4 in the upper and lower sealing ring clamping grooves 2-2 are opposite in direction, and only the movable sealing component 3 needs to be controlled to continuously rotate towards one direction, the movable sealing component 3 can be completely clamped into the bottom of the sealing ring clamping groove 2-2, so that the movable sealing component 3 is positioned in the sealing ring accommodating groove 2-1, the area between the outer shaft sleeve 1-1 and the inner shaft ring 1-2 in the bearing body 1 is covered and sealed, and the influence of dust entering the ball 1-3 on rotation is avoided.

As a technical optimization scheme of the utility model, as shown in figure 2, a movable sealing assembly 3 comprises a sealing washer 3-1 clamped in a sealing cover 2, a hollow fixed adjusting rod 3-2, a negative pressure adsorption seat 3-3 and a conical adsorption disc 3-4, wherein the fixed adjusting rod 3-2 is welded on the side wall of the sealing washer 3-1, when the utility model is actually used, the movable sealing assembly 3 is mainly used for clamping the hollow fixed adjusting rod 3-2 and the negative pressure adsorption seat 3-3 by hand, so as to apply pressure to the sealing washer 3-1, so that the sealing washer 3-1 is clamped in a sealing washer accommodating groove 2-1, and when the utility model is actually used, the negative pressure adsorption seat 3-3 is firstly controlled to tightly adsorb the conical adsorption disc 3-4 at the upper end and the lower end of the sealing washer 3-1, then, two ends of a sealing washer 3-1 are respectively inserted into the inclined grooves 2-4 in the upper and lower sealing washer clamping grooves 2-2, the specific operation is stated above, in order to ensure the sealing effect, the thickness of the sealing washer 3-1 is larger than the sealing washer accommodating groove 2-1, therefore, the friction force of the sealing washer 3-1 is larger when the sealing washer 3-1 is clamped into the sealing washer accommodating groove 2-1, through the double fixing and holding effect of the negative pressure adsorption seat 3-3 and the fixed adjusting rod 3-2, the sealing washer 3-1 can be ensured to be clamped into the sealing washer accommodating groove 2-1, meanwhile, the hollow cavity of the fixed adjusting rod 3-2 is normally plugged into the sealing washer, when lubricating oil needs to be added, the sealing washer can be taken down, the sealing washer 3-1 is rotated while the lubricating oil is added, and the lubricating oil can be added, when seal ring 3-1 rotated, can also drive the lubricating oil of adding for the even distribution of lubricating oil is to each ball, makes the interpolation effect of lubricating oil better, and easy operation is convenient, and the functionality is stronger.

The conical adsorption disc 3-4 is connected with the negative pressure adsorption seat 3-3, the negative pressure pump is arranged in the negative pressure adsorption seat 3-3, the air suction end of the negative pressure pump is communicated with the conical adsorption disc 3-4, air in the conical adsorption disc 3-4 is pumped out through the air suction effect of the negative pressure pump, and the adsorption disc 3-4 is tightly attached to the sealing washer 3-1 for adsorption in actual use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a deep groove ball bearing that leakproofness is good, includes bearing body (1), sealed cowling (2) and movable seal assembly (3), its characterized in that: the sealing cover (2) is fixedly arranged on the side wall of the bearing body (1), and the movable sealing component (3) is movably clamped between the sealing cover (2) and the bearing body (1).

2. The deep groove ball bearing with good sealing performance according to claim 1, wherein: the bearing body (1) comprises an outer shaft sleeve (1-1), an inner shaft ring (1-2), balls (1-3) and ball support frames (1-4), wherein the inner shaft ring (1-2) is arranged on an inner ring of the outer shaft sleeve (1-1).

3. The deep groove ball bearing with good sealing performance according to claim 2, wherein: the balls (1-3) are movably arranged between the outer shaft sleeve (1-1) and the inner shaft ring (1-2), and the balls (1-3) are sequentially supported and connected through the ball support frames (1-4).

4. The deep groove ball bearing with good sealing performance according to claim 3, wherein: grooves for limiting the balls (1-3) are formed in the inner side of the outer shaft sleeve (1-1) and the outer side of the inner shaft ring (1-2).

5. The deep groove ball bearing with good sealing performance according to claim 1, wherein: a sealing ring accommodating groove (2-1) is formed in one surface, close to the bearing body (1), of the sealing cover (2), and a sealing ring clamping groove (2-2) is formed in one side, far away from the bearing body (1), of the sealing ring accommodating groove (2-1).

6. The deep groove ball bearing with good sealing performance according to claim 5, wherein: one side of the sealing ring clamping groove (2-2) is provided with a groove (2-3), and the other side of the sealing ring clamping groove (2-2) is provided with an inclined groove (2-4).

7. The deep groove ball bearing with good sealing performance according to claim 1, wherein: the movable sealing assembly (3) comprises a sealing washer (3-1) clamped in the sealing cover (2), a hollow fixed adjusting rod (3-2), a negative pressure adsorption seat (3-3) and a conical adsorption disc (3-4).

8. The deep groove ball bearing with good sealing performance according to claim 7, wherein: the fixed adjusting rod (3-2) is welded on the side wall of the sealing washer (3-1), and the conical adsorption disc (3-4) is connected with the negative pressure adsorption seat (3-3).

9. The deep groove ball bearing with good sealing performance according to claim 8, wherein: a negative pressure pump is arranged in the negative pressure adsorption seat (3-3), and the air suction end of the negative pressure pump is communicated with the conical adsorption disc (3-4).