CN212106620U - Angular contact ball bearing with anti-bending and anti-curling dustproof cover - Google Patents

Abstract

The utility model belongs to the field of bearings, in particular to an angular contact ball bearing with an anti-bending turned edge dustproof cover, which comprises an outer ring and an inner ring, the ball bearings are rotationally connected between the outer ring and the inner ring, the retainer is arranged between the outer ring and the inner ring, the left side and the right side of the outer ring and the inner ring which are connected are both provided with dustproof covers, the left side and the right side of the inner surface of the outer ring are both provided with blind grooves, the middle part of the visual side of the two dustproof covers is both provided with an anti-folding block, just prevent rolling over the piece and keep the ware to be located same water flat line, two the equal fixedly connected with protruding anti-discount head in top of shield, the equal fixedly connected with spring in bottom of two protruding anti-discount heads, two the equal fixedly connected with ejector pin of the other end of spring, the anti-bending nature of bearing shield can be improved to this novel scheme, improves its leakproofness, but the repeated dismantlement is used, the maintenance in the later stage of being convenient for.

Description

Angular contact ball bearing with anti-bending and anti-curling dustproof cover

Technical Field

The utility model relates to a bearing field specifically is an angular contact ball bearing with turn-up shield of buckling resistance.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient (friction coefficient) in its motion process, and guarantee its gyration precision.

In the production process, the dust cover is an important part, and is easy to damage and slightly deform during assembly, so that the service performance of the bearing is influenced, and the bearing is seriously and directly damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an angular contact ball bearing with turn-up shield of buckling resistance to solve the easy loss of rolling over that proposes in the above-mentioned background art, difficult dismantlement is with trading.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an angular contact ball bearing with anti buckling turn-up shield, includes outer lane and inner circle, the outer lane with rotate between the inner circle and be connected with the ball, be provided with the retainer between outer lane and the inner circle, the left and right sides that outer lane and inner circle link to each other all is provided with the shield, the camera apron has all been seted up to the left and right sides of outer lane internal surface. Two the middle department of the side is looked mutually to the shield all is provided with prevents folding the piece, just prevent folding the piece and keep the ware to be located same water flat line, two the equal fixedly connected with protruding back-off head in top of shield, the equal fixedly connected with spring in bottom of two protruding back-off heads, two the equal fixedly connected with ejector pin of the other end of spring.

Preferably, the retainer uniformly partitions and mounts the balls in the groove, and the balls are made of silicon manganese steel.

Preferably, a protection barrel is arranged on the outer side of the spring, and the ejector rod is movably connected to the inner cavity of the protection barrel.

Preferably, the convex back-off head is arrow-shaped, and the left side and the right side of the convex back-off head are made of natural rubber.

Preferably, the qualified distance between the retainer and the folding prevention block is 1 +/-0.5 mm.

Preferably, the top end of the dustproof cover is in a pattern table shape, and the size of the boss is matched with the notch of the hidden groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the angular contact ball bearing with the anti-bending turned edge dustproof cover, the inner cavity of the bearing can be protected through the dustproof cover, dust and impurities are prevented from entering the inner cavity of the bearing, the dustproof cover can be protected through the anti-bending block, the other end of the anti-bending block can be abutted against the retainer when the novel anti-bending block is extruded due to the influence of external force in the assembling and using processes, the anti-bending block is not easy to break, and the anti-bending performance of the novel anti-bending block is improved;

2. this angular contact ball bearing with anti-bending turn-up shield, through the used natural rubber of protruding formula back-off head, natural rubber has good elasticity and resilience, can be convenient for the equipment and the dismantlement of shield, makes things convenient for the maintenance of later stage bearing.

Drawings

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

FIG. 2 is an enlarged view of part A of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. an outer ring; 2. an inner ring; 3. a ball bearing; 4. a holder; 5. a dust cover; 6. a hidden groove; 7. a top rod; 8. a folding prevention block; 9. a spring; 10. convex back-off head.

Detailed Description

The technical solution in the embodiment of the present invention will be made clear below with reference to the drawings in the embodiment of the present invention; the present invention has been described in considerable detail with reference to certain preferred versions thereof. 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. 1-3, the present invention provides a technical solution: the utility model provides an angular contact ball bearing with anti buckling turn-up shield, includes outer lane 1 and inner circle 2, rotates between outer lane 1 and the inner circle 2 to be connected with ball 3, is provided with between outer lane 1 and the inner circle 2 to keep the ware 4, and the left and right sides that outer lane 1 and inner circle 2 link to each other all is provided with shield 5, and blind groove 6 has all been seted up to the left and right sides of 1 internal surface in outer lane. Two shield 5 looks the centre department of side all to be provided with prevents folding block 8, and prevents folding block 8 and keep ware 4 and be located same water flat line, the equal fixedly connected with convex back-off head 10 in top of two shield 5, the equal fixedly connected with spring 9 in bottom of two convex back-off heads 10, the equal fixedly connected with ejector pin 7 of the other end of two springs 9.

Through adopting above-mentioned technical scheme, the inner chamber environment that can protect the bearing is clean and tidy, improves its life, through preventing a piece 8, can make shield 5 be difficult for losing.

Referring to fig. 1, the ball 3 is uniformly spaced and mounted in the groove by the retainer 4, and the ball 3 is made of silicon manganese steel.

Through adopting above-mentioned technical scheme, can fix a position ball 3, and be difficult for droing.

Referring to fig. 1-2, a protection cylinder is disposed outside the spring 9, and the rod 7 is movably connected to the inner cavity of the protection cylinder.

Through adopting above-mentioned technical scheme, make spring 9 firm, difficult emergence side is inclined to one side to make ejector pin 7 perpendicular all the time.

Referring to fig. 2, the male back-buckle 10 is arrow-shaped, and the left and right sides of the male back-buckle 10 are made of rubber.

Through adopting above-mentioned technical scheme, can make shield 5 use repeatedly, practice thrift the cost.

Referring to fig. 1-2, the acceptable distance between the retainer 4 and the anti-folding block 8 is 1 ± 0.5 mm.

Through adopting above-mentioned technical scheme, protection shield 5 is difficult for the fracture.

Referring to fig. 1-2, the top of the dust cap 5 is shaped like a table, and the size of the protruding platform matches with the slot of the hidden slot 6.

Through adopting above-mentioned technical scheme, improve dustproof performance, make the inner chamber of bearing cleaner and tidier.

The working principle is as follows: this novel scheme is when using, when equipment shield 5, press ejector pin 7 several times in succession earlier, through spring 9, observe whether ejector pin 7 can reset completely, put into the notch of camera obscura 6 to ejector pin 7, correspond the back, press hard, get into the inner chamber of camera obscura 6 completely until protruding back-off head 10, and the left and right sides buckle of protruding back-off head 10 is at the inner chamber of camera obscura 6, observe whether the inside wall of shield 5 and outer lane 1 and the lateral wall of inner circle 2 coincide, the later stage, when maintaining the bearing, directly extract protruding back-off head 10, under the not broken condition, shield 5 can make repeatedly.

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.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The utility model provides an angular contact ball bearing with anti turn-up shield of buckling, includes outer lane (1) and inner circle (2), its characterized in that: outer lane (1) with it is connected with ball (3) to rotate between inner circle (2), be provided with between outer lane (1) and the inner circle (2) and keep ware (4), the left and right sides that outer lane (1) and inner circle (2) link to each other all is provided with shield (5), hidden slot (6), two have all been seted up to the left and right sides of outer lane (1) internal surface shield (5) looks the middle department of side and all is provided with prevents dog (8), just prevent dog (8) and keep ware (4) to be located same water flat line, two the equal fixedly connected with protruding left-hand thread head (10) in top of shield (5), the equal fixedly connected with spring (9) in bottom of two protruding left-hand thread heads (10), two the equal fixedly connected with ejector pin (7) of the other end of spring (9).

2. The angular contact ball bearing with the anti-buckling hemming dust cover according to claim 1, wherein: the retainer (4) uniformly separates the balls (3) and installs the balls in the grooves, and the balls (3) are made of silicon-manganese steel.

3. The angular contact ball bearing with the anti-buckling hemming dust cover according to claim 1, wherein: a protective cylinder is arranged on the outer side of the spring (9), and the ejector rod (7) is movably connected to the inner cavity of the protective cylinder.

4. The angular contact ball bearing with the anti-buckling hemming dust cover according to claim 1, wherein: the convex back-off head (10) is in an arrow shape, and the left side and the right side of the convex back-off head (10) are made of rubber materials.

5. The angular contact ball bearing with the anti-buckling hemming dust cover according to claim 1, wherein: the qualified distance between the retainer (4) and the anti-folding block (8) is 1 +/-0.5 mm.

6. The angular contact ball bearing with the anti-buckling hemming dust cover according to claim 1, wherein: the top end of the dustproof cover (5) is in a boss shape, and the size of the boss is matched with the notch of the hidden groove (6).

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