CN216382275U

CN216382275U - High heat dissipation dust protected deep groove ball bearing

Info

Publication number: CN216382275U
Application number: CN202123042886.0U
Authority: CN
Inventors: 李建平
Original assignee: Jinfa Bearing Co ltd
Current assignee: Jinfa Bearing Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-26
Anticipated expiration: 2031-12-03
Also published as: WO2023097715A1

Abstract

The utility model provides a high-heat-dissipation dustproof deep groove ball bearing, and belongs to the field of bearings. It has solved the problem that current deep groove ball bearing does not possess the radiating effect. This high heat dissipation dust protected deep groove ball bearing, including the bearing inner race, holder and shield, the shield is two, and set up respectively in the bearing both sides, bearing inner race inner wall forms the cavity that supplies the ball to hold the installation with the cooperation of bearing inner race outer wall, the bearing inner race is integrated into one piece processing setting with the holder, run through on the bearing inner race lateral wall and set up a plurality of heat dissipation through-hole that has the radiating effect, two shields are located circumference on the bearing inner side wall and are provided with a plurality of radiating ribs that have the radiating effect, be located and all be provided with the radiating piece on two shield lateral walls, the through-hole that equals with bearing inner race inner wall diameter is seted up at the radiating piece middle part. The utility model has the advantages of reasonable structural design, good heat dissipation and dust prevention effects, long service life and high use strength.

Description

High heat dissipation dust protected deep groove ball bearing

Technical Field

The utility model belongs to the field of bearings, relates to a deep groove ball bearing, and particularly relates to a high-heat-dissipation dustproof deep groove ball bearing.

Background

The deep groove ball bearing is a rolling bearing which is most widely applied and is characterized by small friction resistance and high rotating speed, and can be used on a machine member bearing radial load or combined load acted simultaneously in the radial direction and the axial direction and also can be used on a machine member bearing axial load.

The high-speed operation of ball can produce the heat in the deep groove ball bearing, and work under the long-time high heat can lead to deep groove ball bearing life to subtract short, adopts to expose deep groove ball bearing inside externally to carry out the radiating effect a bit on the existing market, but because outside impurity enters into inside the bearing, has seriously influenced bearing result of use and life.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a high-heat-dissipation dustproof deep groove ball bearing to solve the problems.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a high heat dissipation dust protected deep groove ball bearing, includes bearing inner race, holder and shield, its characterized in that, the shield be two, and set up respectively in the bearing both sides, bearing inner race inner wall and bearing inner race outer wall cooperation form the cavity that supplies the ball to hold the installation, bearing inner race and holder be integrated into one piece processing setting, run through on the bearing inner race lateral wall and set up the heat dissipation through-hole that a plurality of has the radiating effect, two the shield be located bearing inner side wall on circumference be provided with a plurality of heat dissipation muscle that have the radiating effect, be located two the shield lateral wall on all be provided with the radiating piece, radiating piece middle part set up the through-hole that equals with bearing inner race inner wall diameter.

In foretell high heat dissipation dust protected deep groove ball bearing, the radiating piece outer wall on seted up a plurality of louvre along through-hole the central axis circumference, and if several the louvre in all have the film that the air feed passes through and prevent that outside dust from getting into.

In the above-mentioned dustproof deep groove ball bearing with high heat dissipation, a plurality of the heat dissipation ribs are arranged along the central axis of the heat dissipation through hole at intervals in a spiral shape along the circumferential direction.

In the above-mentioned high heat dissipation dust protected deep groove ball bearing, two the shield pass through fixing bolt respectively with corresponding heat dissipation piece fixed connection, the heat dissipation piece on have a plurality of circumference outside protruding and with be used for with shield fixed connection's installation bellying.

In the above-mentioned high heat dissipation dust protected deep groove ball bearing, a plurality of installation bellying and shield on all set up the bolt through-hole that supplies fixing bolt fixed connection, just installation bellying and shield on bolt through-hole quantity corresponding.

Compared with the prior art, this high heat dissipation dust protected deep groove ball bearing is through being provided with heat dissipation through-hole, radiating piece and heat dissipation muscle to the heat dissipation muscle is located the shield inside wall, and effectual high radiating effect and the dustproof effect of having realized make its bearing simultaneously have dustproof and radiating effect concurrently, the effectual bearing life and the bearing service strength that have improved.

Drawings

Fig. 1 is a schematic perspective view of the high heat dissipation dustproof deep groove ball bearing.

Fig. 2 is a schematic diagram of a half-section structure of the high-heat-dissipation dustproof deep groove ball bearing.

Fig. 3 is a perspective view of the assembled dust cover and heat sink.

Fig. 4 is a side view of the assembled dust cover and heat sink.

In the figure, 1, a bearing outer ring; 2. a bearing inner race; 3. a holder; 4. a dust cover; 5. a cavity; 6. a heat dissipating through hole; 7. heat dissipation ribs; 8. a heat sink; 9. heat dissipation holes; 10. mounting a boss; 11. and a bolt through hole.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figures 1, 2, 3 and 4, the high heat dissipation dustproof deep groove ball bearing comprises a bearing outer ring 1, a bearing inner ring 2, a retainer 3 and two dustproof covers 4, wherein the number of the dustproof covers 4 is two, and the two dustproof covers are respectively arranged at two sides of a bearing, the inner wall of the bearing outer ring 1 is matched with the outer wall of the bearing inner ring 2 to form a cavity 5 for accommodating and installing balls, the bearing inner ring 2 and the retainer 3 are integrally formed and processed, a plurality of heat dissipation through holes 6 with a heat dissipation effect are arranged on the side wall of the bearing outer ring 1 in a penetrating way, a plurality of heat dissipation ribs 7 with a heat dissipation effect are circumferentially arranged on one side wall of the two dustproof covers 4 in the bearing, heat dissipation pieces 8 are arranged on the outer side walls of the two dustproof covers 4, through holes with the diameter equal to the diameter of the inner wall of the bearing inner ring 2 are arranged in the middle parts of the heat dissipation pieces 8, the heat dissipation through holes 6 and a plurality of heat dissipation ribs 7 on the inner side wall of the dustproof covers 4, the heat dissipation effect in the working process of the bearing is effectively improved, and the service life and the service strength of the bearing are improved.

Further saying in detail, a plurality of louvre 9 has been seted up along through-hole the central axis circumference on the 8 outer walls of radiating piece, and all have in a louvre 9 and supply the gas to pass through and have the film that prevents outside dust entering, inside this film can prevent that tiny dust from entering into the bearing, and can supply the one-way output of the inside heat of bearing, effectual realization quick radiating effect.

Further saying in detail, a plurality of heat dissipation muscle 7 is the spiral helicine interval of circumferencial direction and displays along 6 central axes of its heat dissipation through-hole, and this structural design effectively accelerates the inside gas circulation effect of bearing, and its heat dissipation muscle 7 itself possesses the radiating effect, can realize quick radiating effect.

In more detail, the two dust covers 4 are respectively and fixedly connected with the corresponding heat dissipation members 8 through fixing bolts, and the heat dissipation members 8 are provided with a plurality of mounting bosses 10 which are circumferentially protruded outwards and are fixedly connected with the dust covers 4.

In a further elaboration, bolt through holes 11 for fixing the bolt to be fixedly connected are formed in the plurality of mounting bosses 10 and the dust cover 4, and the number of the bolt through holes 11 formed in the mounting bosses 10 and the dust cover 4 corresponds to each other.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A high heat dissipation dustproof deep groove ball bearing comprises a bearing outer ring (1), a bearing inner ring (2), a retainer (3) and a dustproof cover (4), it is characterized in that the two dustproof covers (4) are respectively arranged at the two sides of the bearing, the inner wall of the bearing outer ring (1) is matched with the outer wall of the bearing inner ring (2) to form a cavity (5) for accommodating and installing the balls, the bearing inner ring (2) and the retainer (3) are integrally formed and processed, a plurality of heat dissipation through holes (6) with heat dissipation effect are arranged on the side wall of the bearing outer ring (1) in a penetrating way, a plurality of heat dissipation ribs (7) with heat dissipation effect are circumferentially arranged on one side wall of the two dust covers (4) in the bearing, heat dissipation pieces (8) are arranged on the outer side walls of the two dust covers (4), the middle part of the heat dissipation piece (8) is provided with a through hole with the diameter equal to that of the inner wall of the bearing inner ring (2).

2. The deep groove ball bearing with high heat dissipation and dust prevention as claimed in claim 1, wherein the outer wall of the heat dissipation member (8) is provided with a plurality of heat dissipation holes (9) along the circumferential direction of the central axis of the through hole, and each of the heat dissipation holes (9) is provided with a film for air to pass through and preventing external dust from entering.

3. The deep groove ball bearing with high heat dissipation and dust prevention as claimed in claim 1, wherein a plurality of the heat dissipation ribs (7) are arranged along the central axis of the heat dissipation through hole (6) at intervals in a spiral shape along the circumferential direction.

4. The deep groove ball bearing with high heat dissipation and dust prevention as recited in claim 1, wherein two dust covers (4) are respectively and fixedly connected with the corresponding heat dissipation members (8) through fixing bolts, and the heat dissipation members (8) are provided with a plurality of mounting protrusions (10) which protrude outwards in the circumferential direction and are fixedly connected with the dust covers (4).

5. The deep groove ball bearing with high heat dissipation and dust prevention of claim 4, wherein a plurality of the mounting protrusions (10) and the dust cover (4) are respectively provided with a bolt through hole (11) for fixing and connecting a bolt, and the number of the mounting protrusions (10) corresponds to the number of the bolt through holes (11) in the dust cover (4).