CN212584141U

CN212584141U - Deep groove ball bearing sealing ring

Info

Publication number: CN212584141U
Application number: CN202021011454.6U
Authority: CN
Inventors: 陈海波; 李建波; 殷忠路
Original assignee: Wuxi Haoran Precision Machinery Manufacturing Co Ltd
Current assignee: Wuxi Haoran Precision Machinery Manufacturing Co Ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-02-23
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a deep groove ball bearing seal circle, include the bearing inner race and locate the inside bearing inner race of bearing inner race, the constant head tank has all been opened to bearing inner race middle part inner wall and bearing inner race middle part outer wall, and the constant head tank both sides all weld the spacing ring, the inside roller that is equipped with the equidistance and distributes of constant head tank, and the roller outside is equipped with the holder, open in proper order one side of spacing ring has first dashpot and second dashpot, and the inner wall of first dashpot and second dashpot is equipped with first buffering circle and second buffering circle in proper order. The utility model discloses an inner wall at the bearing inner race sets up double-deck dashpot to at the inside joint buffering circle of dashpot, can play certain sealed effect to bearing inside, and set up the spacing ring in the both sides of roller, can prevent that roller from touching the sealing washer, and set up the conducting strip in the inside of sealing washer, can in time loose the heat of bearing inside, thereby play certain radiating effect to the bearing.

Description

Deep groove ball bearing sealing ring

Technical Field

The utility model relates to a bearing unit technical field especially relates to a deep groove ball bearing sealing washer.

Background

Under the working condition of high rotating speed of the bearing, the performances of dust prevention, water prevention and the like can not meet the requirements. In order to pursue dustproof and waterproof performances, interference magnitude of the sealing ring and the bearing dustproof groove is increased deliberately, so that friction torque is increased, bearing temperature rise is too high, and abrasion of a sealing lip of the sealing ring is accelerated. Most of sealing rings are sealed by three lips, the structure is complex, the manufacturing difficulty of the sealing rings is increased, and the requirement on the processing precision of the bearing sealing groove is high. Therefore, the structure optimization design is carried out on the traditional sealing ring, and the dustproof performance, the waterproof performance and the heat dissipation performance of the sealing ring are improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the deep groove ball bearing sealing washer that proposes.

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

a deep groove ball bearing sealing ring comprises a bearing outer ring and a bearing inner ring arranged inside the bearing outer ring, wherein positioning grooves are formed in the inner wall of the middle part of the bearing outer ring and the outer wall of the middle part of the bearing inner ring, and both sides of the positioning groove are welded with limit rings, rollers are arranged in the positioning groove at equal intervals, and the outer part of the roller is provided with a retainer, one side of the limit ring is sequentially provided with a first buffer groove and a second buffer groove, and the inner walls of the first buffer groove and the second buffer groove are sequentially provided with a first buffer ring and a second buffer ring, the first buffer ring and the second buffer ring are both bonded with a sealing ring body, and the outer wall of one side of the sealing ring body is provided with a groove, the inner wall of the bottom of the groove is provided with through holes which are distributed at equal intervals, and the groove is internally provided with a first annular heat conducting strip, the outer wall of one side of the first annular heat conducting strip is welded with heat conducting strips distributed at equal intervals, and the heat conducting strips are connected with a second annular heat conducting strip.

Preferably, the first buffer groove is matched with the first buffer ring, and the first buffer groove is tightly matched with the first buffer ring.

Preferably, the locating groove is matched with the roller, and the locating groove and the roller form sliding fit.

Preferably, the second buffer groove is close to the positioning groove, and the first buffer groove is far away from the positioning groove.

Preferably, the first annular heat conducting strip is matched with the groove, and the first annular heat conducting strip is tightly matched with the groove.

Preferably, the vertical interface of the sealing ring body is of a T-shaped structure.

The utility model has the advantages that:

this deep groove ball bearing sealing washer of design sets up double-deck dashpot through the inner wall at the bearing inner race to at the inside joint buffering circle of dashpot, can play certain sealed effect to bearing inside, and set up the spacing ring in the both sides of roller, can prevent that roller from touching the sealing washer, and set up the conducting strip in the inside of sealing washer, can in time dispel the heat of bearing inside, thereby play certain radiating effect to the bearing.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of a deep groove ball bearing sealing ring provided by the present invention;

fig. 2 is a partial structural sectional view of a deep groove ball bearing sealing ring provided by the present invention;

fig. 3 is a sectional view of a bearing outer ring structure of a deep groove ball bearing sealing ring provided by the present invention;

fig. 4 is the utility model provides a buffer ring structural schematic diagram of deep groove ball bearing sealing washer.

In the figure: the bearing comprises a bearing outer ring 1, a bearing inner ring 2, a locating groove 3, a limiting ring 4, a roller 5, a retainer 6, a first buffer groove 7, a second buffer groove 8, a first buffer ring 9, a second buffer ring 10, a sealing ring body 11, a groove 12, a through hole 13, a first annular heat-conducting strip 14, a heat-conducting strip 15 and a second annular heat-conducting strip 16.

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.

Referring to fig. 1-4, a deep groove ball bearing seal ring comprises a bearing outer ring 1 and a bearing inner ring 2 arranged inside the bearing outer ring 1, wherein a positioning groove 3 is formed in the inner wall of the middle part of the bearing outer ring 1 and the outer wall of the middle part of the bearing inner ring 2, a limiting ring 4 is welded on two sides of the positioning groove 3, rollers 5 distributed equidistantly are arranged inside the positioning groove 3, a retainer 6 is arranged outside the rollers 5, the positioning groove 3 is matched with the rollers 5, the positioning groove 3 is in sliding fit with the rollers 5, a first buffer groove 7 and a second buffer groove 8 are sequentially formed in one side of the limiting ring 4, a first buffer ring 9 and a second buffer ring 10 are sequentially arranged on the inner walls of the first buffer groove 7 and the second buffer groove 8, the second buffer groove 8 is close to the positioning groove 3, the first buffer groove 7 is far away from the positioning groove 3, the first buffer groove 7 is matched with the first buffer ring 9, and the first buffer groove 7 is in fastening fit with, first buffering circle 9 and second buffering circle 10 all bond and have sealing washer body 11, and sealing washer body 11 one side outer wall opens there is recess 12, sealing washer body 11 erects the interface and is T type structure, recess 12 bottom inner wall is opened has equidistant through-hole 13 that distributes, and recess 12 is inside to be equipped with first annular conducting strip 14, first annular conducting strip 14 and recess 12 looks adaptation, and first annular conducting strip 14 forms the fastening cooperation with recess 12, the welding of 14 one side outer walls of first annular conducting strip has equidistant heat conduction strip 15 that distributes, and heat conduction strip 15 is connected with second annular conducting strip 16.

The working principle is as follows: when the deep groove ball bearing sealing ring is used, firstly, after the bearing is spliced, the sealing ring body 11 fixed with the first annular heat conducting strip 14 and the second annular heat conducting strip 16 is plugged into the inner part of the bearing outer ring 1, the first buffer ring 9 is clamped into the first buffer groove 7, the second buffer ring 10 is clamped into the second buffer groove 8, when the bearing is used, the roller 5 inside the bearing rotates at a high speed continuously, a large amount of heat can be generated after the bearing rubs continuously with the inner part of the groove 12, at the moment, the first annular heat conducting strip 14 can absorb the heat, the heat is transferred to the second annular heat conducting strip 16 through the heat conducting strip 15, the second annular heat conducting strip 16 can dissipate the heat into the atmosphere, and therefore the bearing is cooled.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A deep groove ball bearing sealing ring comprises a bearing outer ring (1) and a bearing inner ring (2) arranged inside the bearing outer ring (1), and is characterized in that a positioning groove (3) is formed in the inner wall of the middle part of the bearing outer ring (1) and the outer wall of the middle part of the bearing inner ring (2), limiting rings (4) are welded on two sides of the positioning groove (3), rollers (5) distributed equidistantly are arranged inside the positioning groove (3), a retainer (6) is arranged outside the rollers (5), a first buffer groove (7) and a second buffer groove (8) are sequentially formed in one side of each limiting ring (4), a first buffer ring (9) and a second buffer ring (10) are sequentially arranged on the inner walls of the first buffer groove (7) and the second buffer groove (8), a sealing ring body (11) is bonded on each first buffer ring (9) and each second buffer ring (10), a groove (12) is formed in the outer wall of one side of the sealing ring body (11), the inner wall of the bottom of the groove (12) is provided with through holes (13) distributed at equal intervals, a first annular heat conducting strip (14) is arranged inside the groove (12), the outer wall of one side of the first annular heat conducting strip (14) is welded with heat conducting strips (15) distributed at equal intervals, and the heat conducting strips (15) are connected with a second annular heat conducting strip (16).

2. The deep groove ball bearing seal ring according to claim 1, characterized in that the first buffer groove (7) is adapted to the first buffer ring (9) and the first buffer groove (7) forms a tight fit with the first buffer ring (9).

3. A deep groove ball bearing seal according to claim 1, characterized in that the locating groove (3) is adapted to the roller (5) and the locating groove (3) forms a sliding fit with the roller (5).

4. A deep groove ball bearing seal according to claim 1, characterized in that the second relief groove (8) is close to the detent groove (3) and the first relief groove (7) is far from the detent groove (3).

5. The deep groove ball bearing seal ring according to claim 1, characterized in that the first annular heat conducting strip (14) is adapted to the groove (12) and the first annular heat conducting strip (14) forms a tight fit with the groove (12).

6. The deep groove ball bearing seal ring according to claim 1, characterized in that the vertical interface of the seal ring body (11) is of T-shaped configuration.