CN217842367U

CN217842367U - Sealed single-row ball bearing with dustproof function

Info

Publication number: CN217842367U
Application number: CN202221337706.3U
Authority: CN
Inventors: 王文才
Original assignee: Naberg Bearing Wuxi Co ltd
Current assignee: Naberg Bearing Wuxi Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-18
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a sealed single-row ball bearing with dustproof function, which relates to the technical field of sealed single-row ball bearings, and aims to solve the problems that the traditional sealed single-row ball bearing in the prior art is mostly sealed by a sealing ring or a dustproof cover, is connected with the bearing in a clamping groove type manner, is inconvenient to disassemble, and is easy to damage the sealed structure when being disassembled; detachable sealed lid, it sets up on the preceding terminal surface of outer loop, the surface of detachable sealed lid is provided with the fixed screw, be provided with the screw hole on the preceding terminal surface of outer loop, and the screw hole sets up structure as an organic whole with the outer loop, fixed screw and screw hole threaded connection, detachable sealed lid passes through fixed screw with the outer loop and is connected.

Description

Sealed single-row ball bearing with dustproof function

Technical Field

The utility model relates to a canned type list ball bearing technical field specifically is a canned type list ball bearing with dustproof function.

Background

The single-row deep groove ball bearing is the most representative structure in rolling bearings and has wide application. The sealed single-row ball bearing is a single-row deep groove ball bearing with a sealed structure, and the commonly used sealed structure comprises a sealing ring and a dust cover;

for example, the application publication number is CN210509975U, a dust-proof sealing bearing comprises a bearing body, the end part of the outer ring of the bearing body is detachably connected with a dust cover through a clamping mechanism, a heat dissipation device is arranged on the surface of the dust cover, a first folded edge is fixed at the edge position of the bottom of the dust cover, a second folded edge is arranged at the edge position of the inner ring of the bearing body, corresponding to the position of the first folded edge, and is of an L-shaped structure, the second folded edge is close to the first folded edge, and a gap is formed between the second folded edge and the first folded edge;

the dust-tight bearing in the above application has the following advantages: the sealing ring is arranged at the gap between the first folding edge and the second folding edge, so that the sealing capacity and the dust prevention capacity of the bearing body are improved, dust is prevented from entering the bearing body from the gap between the first folding edge and the second folding edge, the sealing ring and the first folding edge are arranged in a gap manner so as to avoid contact friction, but the connection mode of the sealing structure and the bearing is still in clamping groove type connection, the sealing structure is inconvenient to disassemble, and the sealing structure is easy to damage when the sealing structure is disassembled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a canned type list ball bearing with dustproof function to solve the traditional canned type list ball bearing that proposes in the above-mentioned background art and all adopt sealing washer or shield to seal, all be the draw-in groove formula with the connected mode of bearing and be connected, dismantle and be inconvenient, and make the easy problem of damaging of seal structure when dismantling very easily.

In order to achieve the above object, the utility model provides a following technical scheme: a sealed single row ball bearing with a dust-proof function, comprising: an outer ring;

an inner ring disposed inside the outer ring;

detachable sealed lid, its setting is in on the preceding terminal surface of outer loop, the surface of detachable sealed lid is provided with the fixed screw, be provided with the screw hole on the preceding terminal surface of outer loop, and the screw hole sets up structure as an organic whole with the outer loop, fixed screw and screw hole threaded connection, detachable sealed lid passes through fixed screw with the outer loop and is connected.

Preferably, a first sealing sunken groove is formed in the front end face of the outer ring, the first sealing sunken groove and the outer ring are of an integrated structure, a first sealing rubber ring is arranged on the inner side of the first sealing sunken groove, and the first sealing rubber ring is attached to the first sealing sunken groove.

Preferably, a second sealing sunken groove is formed in the rear end face of the outer ring, the second sealing sunken groove and the outer ring are of an integrated structure, a second sealing rubber ring is arranged on the inner side of the second sealing sunken groove, and the second sealing rubber ring is attached to the second sealing sunken groove.

Preferably, the outer side of the inner ring is provided with a first groove, the first groove and the inner ring are arranged into an integral structure, the inner side of the first groove is provided with a third sealing rubber ring, and the third sealing rubber ring is attached to the first groove.

Preferably, one side of the inner ring, which is far away from the first groove, is provided with a second groove, the second groove and the inner ring are arranged into an integral structure, the inner side of the second groove is provided with a fourth sealing rubber ring, and the fourth sealing rubber ring is attached to the second groove.

Preferably, an inner ring is arranged on the inner side of the inner ring, the inner ring and the inner ring are arranged into an integral structure, balls are arranged between the inner ring and the outer ring, the inner ring and the outer ring are connected with the balls in a rolling manner, a retainer is arranged on the outer side of the balls and attached to the balls, and the inner ring and the outer ring are connected with the retainer in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that: through the arrangement of a detachable sealing cover;

detachable sealed lid passes through the fixed screw and is connected with the outer loop, detachable sealed lid can be with the clearance between outer loop and the inner ring complete sealing, thereby prevent that the dust from getting into the region at ball place, realize the dustproof effect of full seal, and detachable sealed lid no longer adopts the draw-in groove formula fixed, but adopt the fixed screw fixed, when dismantling, only need dismantle the fixed screw get off, alright dismantle detachable sealed lid get off, no longer need prize hard when dismantling simultaneously and hit the beating, thereby prevent that the bearing from receiving the damage at the dismantlement formula.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the detachable sealing cover of the present invention;

FIG. 3 is a side view of the outer ring of the present invention;

fig. 4 is a side view of the inner ring of the present invention.

In the figure: 1. an outer ring; 2. an inner ring; 3. a detachable sealing cover; 4. fixing screws; 5. an inner ring; 6. a screw hole; 7. a ball bearing; 8. a holder; 9. a first seal sink groove; 10. a first sealing rubber ring; 11. a second seal undercut; 12. a second sealing rubber ring; 13. a first groove; 14. a third sealing rubber ring; 15. a second groove; 16. and a fourth sealing rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a sealed single row ball bearing with a dust-proof function, comprising: the sealing structure comprises an outer ring 1, an inner ring 2, a detachable sealing cover 3, a fixing screw 4, an inner ring 5, a screw hole 6, a ball 7, a retainer 8, a first sealing sunken groove 9, a first sealing rubber ring 10, a second sealing sunken groove 11, a second sealing rubber ring 12, a first groove 13, a third sealing rubber ring 14, a second groove 15 and a fourth sealing rubber ring 16;

an inner ring 2 disposed inside the outer ring 1;

detachable sealed lid 3, it sets up on the preceding terminal surface of outer loop 1, and the surface of detachable sealed lid 3 is provided with fixed screw 4, is provided with screw hole 6 on the preceding terminal surface of outer loop 1, and screw hole 6 sets up structure as an organic whole with outer loop 1, and fixed screw 4 and screw hole 6 threaded connection, detachable sealed lid 3 is connected through fixed screw 4 with outer loop 1.

Referring to fig. 3, a first sealing sunken groove 9 is formed in the front end surface of the outer ring 1, the first sealing sunken groove 9 and the outer ring 1 are integrated, a first sealing rubber ring 10 is disposed inside the first sealing sunken groove 9, the first sealing rubber ring 10 is attached to the first sealing sunken groove 9, and the first sealing rubber ring 10 is also attached to the detachable sealing cover 3.

Referring to fig. 3, a second sealing sunken groove 11 is formed in the rear end surface of the outer ring 1, the second sealing sunken groove 11 and the outer ring 1 are integrated, a second sealing rubber ring 12 is disposed inside the second sealing sunken groove 11, the second sealing rubber ring 12 is attached to the second sealing sunken groove 11, two removable sealing covers 3 are disposed, the other sealing cover is disposed on the rear end surface of the outer ring 1, and the removable sealing cover 3 disposed on the rear end surface is attached to the second sealing rubber ring 12.

Referring to fig. 4, a first groove 13 is formed on the outer side of the inner ring 2, the first groove 13 and the inner ring 2 are integrated, a third sealing rubber ring 14 is arranged on the inner side of the first groove 13, the third sealing rubber ring 14 is attached to the first groove 13, and the third sealing rubber ring 14 is attached to the detachable sealing cover 3.

Referring to fig. 4, a second groove 15 is formed in a side of the inner ring 2 away from the first groove 13, the second groove 15 and the inner ring 2 are integrated, a fourth sealing rubber ring 16 is disposed inside the second groove 15, the fourth sealing rubber ring 16 is attached to the second groove 15, and the detachable sealing cover 3 on the rear end surface is attached to the fourth sealing rubber ring 16.

Referring to fig. 2, an inner ring 5 is disposed inside the inner ring 2, the inner ring 5 and the inner ring 2 are integrated, balls 7 are disposed between the inner ring 2 and the outer ring 1, the inner ring 2 and the outer ring 1 are both connected with the balls 7 in a rolling manner, retainers 8 are disposed outside the balls 7, the retainers 8 are attached to the balls 7, and the inner ring 2 and the outer ring 1 are both connected with the retainers 8 in a sliding manner.

The working principle is as follows: when the dustproof single-row ball bearing is used, according to the figures 1, 2, 3 and 4, the inner ring 2 is arranged on the inner side of the outer ring 1, the balls 7 are arranged between the inner ring 2 and the outer ring 1, the balls 7 are limited through the retainer 8, the detachable sealing cover 3 is installed on the front end face and the rear end face of the outer ring 1 and the inner ring 2 and is fixed through the fixing screws 4, the first sealing rubber ring 10, the second sealing rubber ring 12, the third sealing rubber ring 14 and the fourth sealing rubber ring 16 are attached to the detachable sealing cover 3, and the complete dustproof single-row sealing type ball bearing is assembled.

Those not described in detail in this specification are well within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a canned type list ball bearing with dustproof function, includes outer loop (1), its characterized in that:

an inner ring (2) disposed inside the outer ring (1);

detachable sealed lid (3), it sets up on the preceding terminal surface of outer loop (1), the surface of detachable sealed lid (3) is provided with fixed screw (4), be provided with screw hole (6) on the preceding terminal surface of outer loop (1), and screw hole (6) set up structure as an organic whole with outer loop (1), fixed screw (4) and screw hole (6) threaded connection, detachable sealed lid (3) are connected through fixed screw (4) with outer loop (1).

2. The sealed single-row ball bearing having a dust-proof function according to claim 1, characterized in that: the front end face of the outer ring (1) is provided with a first sealing sunken groove (9), the first sealing sunken groove (9) and the outer ring (1) are arranged into an integral structure, a first sealing rubber ring (10) is arranged on the inner side of the first sealing sunken groove (9), and the first sealing rubber ring (10) is attached to the first sealing sunken groove (9).

3. The sealed single-row ball bearing having a dust-proof function according to claim 2, wherein: the rear end face of the outer ring (1) is provided with a second sealing sunken groove (11), the second sealing sunken groove (11) and the outer ring (1) are arranged into an integral structure, a second sealing rubber ring (12) is arranged on the inner side of the second sealing sunken groove (11), and the second sealing rubber ring (12) is attached to the second sealing sunken groove (11).

4. The sealed single-row ball bearing having a dust-proof function according to claim 1, characterized in that: the outer side of the inner ring (2) is provided with a first groove (13), the first groove (13) and the inner ring (2) are integrated, a third sealing rubber ring (14) is arranged on the inner side of the first groove (13), and the third sealing rubber ring (14) is attached to the first groove (13).

5. The sealed-type single row ball bearing having a dust-proof function according to claim 4, wherein: one side that first recess (13) was kept away from in inner ring (2) is provided with second recess (15), and second recess (15) and inner ring (2) set up structure as an organic whole, the inboard of second recess (15) is provided with fourth sealing rubber circle (16), and fourth sealing rubber circle (16) and second recess (15) laminating.

6. The sealed single-row ball bearing having a dust-proof function according to claim 1, characterized in that: the inner side of the inner ring (2) is provided with an inner ring (5), the inner ring (5) and the inner ring (2) are arranged into a whole, balls (7) are arranged between the inner ring (2) and the outer ring (1), the inner ring (2) and the outer ring (1) are all in rolling connection with the balls (7), the outer side of the balls (7) is provided with a retainer (8), the retainer (8) is attached to the balls (7), and the inner ring (2) and the outer ring (1) are all in sliding connection with the retainer (8).