Deep groove ball bearing crown-shaped retainer

Abstract

The utility model relates to the technical field of deep groove ball bearings, and discloses a deep groove ball bearing crown-shaped retainer which comprises a retainer body, a plurality of ball containing openings are formed in the retainer body, a reinforcing ring is fixedly connected to the lower portion of the retainer body, and the reinforcing ring is fixedly connected with the retainer body. Heat dissipation notches are formed in the retainer body and located between the adjacent ball containing openings, the outer sides of the ball containing openings are fixedly connected with outer side protrusions, and the inner sides of the ball containing openings are fixedly connected with inner side protrusions. According to the bearing retainer, the contact area of the retainer body and the balls can be increased through the arranged outer side protrusions and the arranged inner side protrusions, and the stability and durability of the balls are improved; and the heat dissipation notch, the left through opening, the right through opening and the through holes are formed, so that the contact area of the retainer body and air can be increased, the heat dissipation effect is improved, airflow through holes can be provided for the ball containing openings, and the heat dissipation effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to deep groove ball bearing technical field especially relates to a deep groove ball bearing crown shape retainer. BACKGROUND

[0002] Deep groove ball bearing mainly is by one outer ring, one inner ring, a group of steel ball and retainer constitute.

[0003] In prior art, deep groove ball bearing crown shape retainer includes retainer body, is used for accommodating the accommodating window of ball, but, when the ball rolls, a large amount of heat will be produced, the air contact area of retainer body is small, and the heat dissipation effect is not good, which affects the service life of retainer. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of deep groove ball bearing crown shape retainers to solve the shortcomings in prior art, by the outer side protrusion, inner side protrusion of being set, the contact area of retainer body and ball can be increased, the stability and durability of ball are improved;The air contact area of retainer body is improved, the heat dissipation effect is improved, and airflow through hole is provided for ball accommodating mouth, and the heat dissipation effect is further improved.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of deep groove ball bearing crown shape retainer, including retainer body, the retainer body is provided with a plurality of ball accommodating mouth, the lower part of the retainer body is fixedly connected with reinforcing ring, and the retainer body is provided with heat dissipation gap between adjacent ball accommodating mouth, the outer side of the ball accommodating mouth is fixedly connected with outer side protrusion, the inner side of the ball accommodating mouth is fixedly connected with inner side protrusion, and the retainer body is axially provided with left throughport and right throughport at heat dissipation gap, the middle part of the retainer body is annularly provided with through hole, and the through hole is communicated with left throughport, right throughport and ball accommodating mouth. By the outer side protrusion, inner side protrusion of being set, the contact area of retainer body and ball can be increased, the stability and durability of ball are improved;The air contact area of retainer body is improved, the heat dissipation effect is improved, and airflow through hole is provided for ball accommodating mouth, and the heat dissipation effect is further improved.

[0006] Further, the ball accommodating mouth can accommodate ball.

[0007] Further, the shape of the heat dissipation gap is circular arc.

[0008] Further, the left throughport and right throughport are same size.

[0009] Further, the two heat dissipation gaps are a group.

[0010] Further, the upper part of the ball accommodating port has an opening.

[0011] The utility model has the advantages of the following:

[0012] The deep groove ball bearing crown-shaped retainer provided by the utility model has the following advantages: the outer side protrusion and the inner side protrusion are arranged, the contact area of the retainer body and the balls is increased, the stability and durability of the balls are improved, the heat dissipation gap, the left through port, the right through port and the through hole are arranged, the contact area of the retainer body and air is increased, the heat dissipation effect is improved, the airflow through hole is provided for the ball accommodating port, and the heat dissipation effect is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model is a structural schematic view;

[0014] Figure 2 The utility model is a structural schematic view of a lower perspective view;

[0015] Figure 3 The utility model is a sectional view;

[0016] Figure 4 The utility model is an enlarged view of A.

[0017] LEGEND:

[0018] 1, retainer body; 2, heat dissipation gap; 3, left through port; 4, right through port; 5, reinforcing ring; 6, ball; 7, outer side protrusion; 8, inner side protrusion; 9, ball accommodating port; 901, through hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0020] REFERENCE Figures 1-4The utility model provides a kind of embodiment: a deep groove ball bearing crown-shaped retainer, including retainer body 1, be provided with several ball accommodating port 9 on retainer body 1, the upper portion of ball accommodating port 9 has opening, for installing ball 6 use, ball 6 can be accommodated in ball accommodating port 9, the lower part of retainer body 1 is fixedly connected with reinforcing ring 5, retainer body 1 and be located between adjacent ball accommodating port 9 are provided with heat dissipation gap 2, heat dissipation gap 2 two are a group, the shape of heat dissipation gap 2 is circular arc, the outside of ball accommodating port 9 is fixedly connected with outside protrusion 7, the inside of ball accommodating port 9 is fixedly connected with inside protrusion 8, retainer body 1 and be located at heat dissipation gap 2 place are axially provided with left mouth 3, right mouth 4, left mouth 3 and right mouth 4 are same size, the middle part of retainer body 1 annularly is provided with through hole 901, through hole 901 is interconnected with left mouth 3, right mouth 4 and ball accommodating port 9, external air current can pass left mouth 3, right mouth 4 and enter through hole 901, then enter ball accommodating port 9, play the heat dissipation function to ball 6.

[0021] By setting outside protrusion 7, inside protrusion 8, the contact area of retainer body 1 and ball 6 can be increased, the stability and durability of ball 6 are improved;The heat dissipation gap 2, left mouth 3, right mouth 4, through hole 901 are set, the contact area of retainer body 1 and air can be improved, the heat dissipation effect is improved, and air flow channel can be provided for ball accommodating port 9, further improve the heat dissipation effect.

[0022] Working principle: by setting outside protrusion 7, inside protrusion 8, the contact area of retainer body 1 and ball 6 can be increased, the stability and durability of ball 6 are improved;The heat dissipation gap 2, left mouth 3, right mouth 4, through hole 901 are set, the contact area of retainer body 1 and air can be improved, the heat dissipation effect is improved, and air flow channel can be provided for ball accommodating port 9, further improve the heat dissipation effect.

[0023] Finally, it should be noted that: the above only for preferred embodiment of the utility model, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified to the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A deep groove ball bearing crown cage comprising a cage body (1), characterized in that: The retainer body (1) is provided with a plurality of ball accommodating openings (9), the lower portion of the retainer body (1) is fixedly connected to a reinforcement ring (5), a heat dissipation notch (2) is provided on the retainer body (1) and located between adjacent ball accommodating openings (9), an outer protrusion (7) is fixedly connected to the outer side of the ball accommodating opening (9), and an inner protrusion (8) is fixedly connected to the inner side of the ball accommodating opening (9), a left through-opening (3) and a right through-opening (4) are axially provided on the retainer body (1) and located at the heat dissipation notch (2), a through-hole (901) is annularly provided in the middle portion of the retainer body (1), and the through-hole (901) is interconnected with the left through-opening (3), the right through-opening (4) and the ball accommodating opening (9).

2. A crown cage for a deep groove ball bearing according to claim 1, characterized in that: The ball receiving opening (9) can accommodate the ball (6).

3. A crown cage for a deep groove ball bearing according to claim 1, characterized in that: The heat dissipation gap (2) is in the shape of an arc.

4. A crown cage for a deep groove ball bearing according to claim 1, characterized in that: The left opening (3) and the right opening (4) are of the same size.

5. A crown cage for a deep groove ball bearing according to claim 1, characterized in that: The heat dissipation gaps (2) form a group of two.

6. A crown cage for a deep groove ball bearing according to claim 1, characterized in that: The upper portion of the ball receiving opening (9) is provided with an opening.

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