CN209041347U - A kind of bearing seal mounting structure - Google Patents

Abstract

The utility model discloses a kind of bearing seal mounting structures, including bearing inner race and rubber standoff, the gap of the bearing inner race and bearing outer ring is equipped with ball, ball is limited by retainer and is fixed, and ball is sealed by sealing element, the bottom surface of the sealing element is rubber face, the lower end of the rubber face is equipped with the first reinforcing rib, the left and right sides of the rubber face is respectively equipped with rubber outward flange and rubber inward flange, the surface of the rubber outward flange and the surface of rubber inward flange are mounted on the second reinforcing rib, the left and right end of the rubber standoff is separately mounted on rubber outward flange and rubber inward flange, the surface of the rubber standoff is equipped with third reinforcing rib.The rubber baffle that is pressed through of the bearing seal mounting structure, bearing transmitting is transmitted in rubber standoff, then is transmitted in rubber flange by rubber standoff, is shifted to the direction of power, rubber flange compresses bearing internal external ring, and the extruding of sealing element is avoided to fall off.

Description

A kind of bearing seal mounting structure

Technical field

The utility model belongs to bearing seal technical field, and in particular to a kind of bearing seal mounting structure.

Background technique

Bearing sealed ring, a kind of bearing seal, especially a kind of ball bearing sealing ring, ball bearing sealing ring be Two are upwardly extended on one end face of circular ring shape into circular protrusion, the internal diameter and ball of the lesser protrusion of the diameter The inner ring outer diameter of bearing matches, and the protrusion being relatively large in diameter is matched with the ball circle outer diameter of ball bearing；Described The internal orifice dimension of sealing ring is not less than the internal orifice dimension of ball bearing inner ring.With preventing, grease is on fire, avoids often oiling and structure The features such as simple.It is widely used on bearing.

Traditional bearing sealed ring is formed simply by a simple ring-shaped rubber face and rubber flange, is carried out to bearing Sealing, the sealing ring intensity of this rubber structure is lower, and anti-extrusion ability is weaker, simultaneously because bearing outer ring, bearing inner race and The relative motion of ball generates extruding to rubber ring, and does irregular movement with the butter between dynamic bearing, to ring-shaped rubber face Extruding is generated, sealing ring extruding is caused to fall off.

Utility model content

The purpose of this utility model is to provide a kind of bearing seal mounting structures, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of bearing seal mounting structure, including axis Hold inner ring and rubber standoff, the gap of the bearing inner race and bearing outer ring is equipped with ball, and ball limits solid by retainer It is fixed, and ball is sealed by sealing element, the bottom surface of the sealing element is rubber face, and the lower end of the rubber face is equipped with first Reinforcing rib, the left and right sides of the rubber face are respectively equipped with rubber outward flange and rubber inward flange, the surface of the rubber outward flange It is mounted on the second reinforcing rib with the surface of rubber inward flange, the left and right end of the rubber standoff is separately mounted to rubber outward flange On rubber inward flange, the surface of the rubber standoff is equipped with third reinforcing rib, is located at the rubber standoff and third is reinforced Muscle is equipped with conllinear folding line, and the rubber standoff is fixedly connected with the upper end of several rubber blocks, the lower end of the rubber block Rubber baffle is installed, the surface of the rubber baffle is equipped with the 4th reinforcing rib.

Preferably, the sealing element is sealed rubber ring made of butadiene rubber.

Preferably, the rubber standoff is recessed along intermediate folding line, and the angle at the both ends of rubber standoff and rubber face It is 15 degree.

Preferably, the rubber baffle is in contact with rubber outward flange, rubber inward flange but does not squeeze.

Preferably, the end face of the rubber outward flange and the end face of rubber inward flange are equipped with tip.

Preferably, the width of the rubber standoff is greater than the spacing of rubber outward flange and rubber inward flange.

The technical effect and advantage of the utility model: the bearing seal mounting structure, by being installed on the surface of sealing element There is reinforcing rib, enhance the intensity and anti-extrusion ability of sealing element, and rubber standoff and rubber baffle are set in sealing element, so that The rubber baffle that is pressed through of bearing transmitting is transmitted in rubber standoff, then is transmitted in rubber flange by rubber standoff, to power Direction shifted so that rubber flange compresses bearing internal external ring, the extruding of sealing element is avoided to fall off.

Detailed description of the invention

Fig. 1 is the main view of the utility model；

Fig. 2 is enlarged drawing at the A of the utility model；

Fig. 3 is the sealing element top view of the utility model；

Fig. 4 is the bearing of the utility model and the assembling figure of sealing element.

In figure: 1 bearing inner race, 2 bearing outer rings, 3 balls, 4 retainers, 5 rubber faces, 6 first reinforcing ribs, 7 rubber evaginations Edge, 8 second reinforcing ribs, 9 rubber standoffs, 10 third reinforcing ribs, 11 folding lines, 12 rubber blocks, 13 rubber baffles, 14 the 4th are reinforced Muscle, 15 rubber inward flanges, 16 sealing elements.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of bearing seal mounting structure as shown in Figs 1-4, including bearing inner race 1 and rubber Bracket 9 is equipped with ball 3 between the bearing inner race 1 and bearing outer ring 2, ball 3 is fixed by the limit of retainer 4, and is rolled Pearl 3 is sealed by sealing element 16, and the bottom surface of the sealing element 16 is rubber face 5, and the lower end of the rubber face 5 is equipped with first and adds Strengthening tendons 6, the left and right sides of the rubber face 5 are respectively equipped with rubber outward flange 7 and rubber inward flange 15, the rubber outward flange 7 Surface and the surface of rubber inward flange 15 are mounted on the second reinforcing rib 8, and the left and right end of the rubber standoff 9 is separately mounted to rubber On glue outward flange 7 and rubber inward flange 15, the surface of the rubber standoff 9 is equipped with third reinforcing rib 10, is located at the rubber Bracket 9 and third reinforcing rib 10 are equipped with conllinear folding line 11, and the rubber standoff 9 and the upper end of several rubber blocks 12 are fixed Connection, the lower end of the rubber block 12 are equipped with rubber baffle 13, and the surface of the rubber baffle 13 is equipped with the 4th reinforcing rib 14。

Specifically, the sealing element 16 is sealed rubber ring made of butadiene rubber, which has good plastic Property, and oil resistant, heat-resisting, sun-proof and resistant to chemical etching, the service life of raising sealing element 16.

Specifically, the rubber standoff 9 is recessed along intermediate folding line 11, and the both ends of rubber standoff 9 and rubber face 5 Angle is 15 degree, acts on the power on rubber plate washer 13 by squeezing in 9 transfer tape rubber outward flange 7 of rubber standoff and rubber On flange 15, it is ensured that rubber outward flange 7 and rubber inward flange 15 are pressed on the inner wall of bearing, and sealing element 16 is avoided to be squeezed Pressure-off is fallen.

Specifically, the rubber baffle 13 is in contact with rubber outward flange 7, rubber inward flange 15 but does not squeeze, both to axis It holds the limit that intracavitary butter carries out to stop, also ensures that rubber baffle 13 is normal between rubber outward flange 7 and rubber inward flange 15 Compressional movement.

Specifically, the end face of the end face of the rubber outward flange 7 and rubber inward flange 15 is equipped with tip, by tip, Facilitate and rubber outward flange 7 and rubber inward flange 15 are inserted into bearing clearance, it is ensured that sealing element 16 quickly, is easily installed.

Specifically, the width of the rubber standoff 9 be greater than rubber outward flange 7 between rubber inward flange 15 at a distance from, when squeeze When pressure is transmitted to rubber standoff 9 from rubber baffle 13, it is ensured that rubber standoff 9 has enough length to rubber outward flange 7 and rubber Glue inward flange 15 is squeezed.

Working principle:

Rubber outward flange 7 on sealing element 16 is inserted respectively into bearing clearance with rubber inward flange 15, at this time rubber Baffle 13 is contacted with butter, and is stopped to butter, and when bearing rotation, relative motion between bearing generates extruding, makes Butter between sealing element 16 and bearing clearance does irregular movement, generate extruding so that butter to rubber baffle 13 into Row squeezes, and then passes to rubber standoff 9 by rubber block 12 by rubber baffle 13, extruding is generated to rubber standoff 9, so that rubber Glue bracket 9 11 squeezes along the crease to both ends, so that the rubber outward flange 7 on sealing element 16 is pressed in rubber inward flange 15 On the Internal and external cycle of bearing.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of bearing seal mounting structure, including bearing inner race (1) and rubber standoff (9), it is characterised in that: in the bearing The gap of circle (1) and bearing outer ring (2) is equipped with ball (3), and ball (3) is fixed by retainer (4) limit, and ball (3) It is sealed by sealing element (16), the bottom surface of the sealing element (16) is rubber face (5), and the lower end of the rubber face (5) is equipped with First reinforcing rib (6), the left and right sides of the rubber face (5) is respectively equipped with rubber outward flange (7) and rubber inward flange (15), described The surface of rubber outward flange (7) and the surface of rubber inward flange (15) are mounted on the second reinforcing rib (8), the rubber standoff (9) left and right end is separately mounted on rubber outward flange (7) and rubber inward flange (15), and the surface of the rubber standoff (9) is pacified Equipped with third reinforcing rib (10), it is located at the rubber standoff (9) and third reinforcing rib (10) and is equipped with conllinear folding line (11), institute It states rubber standoff (9) to be fixedly connected with the upper end of several rubber blocks (12), the lower end of the rubber block (12) is equipped with rubber The surface of baffle (13), the rubber baffle (13) is equipped with the 4th reinforcing rib (14).

2. a kind of bearing seal mounting structure according to claim 1, it is characterised in that: the sealing element (16) is poly- fourth Sealed rubber ring made of rubber.

3. a kind of bearing seal mounting structure according to claim 1, it is characterised in that: the rubber standoff (9) along Intermediate folding line (11) recess, and the angle of the both ends of rubber standoff (9) and rubber face (5) is 15 degree.

4. a kind of bearing seal mounting structure according to claim 1, it is characterised in that: the rubber baffle (13) and rubber Glue outward flange (7), rubber inward flange (15) are in contact but do not squeeze.

5. a kind of bearing seal mounting structure according to claim 1, it is characterised in that: the rubber outward flange (7) The end face of end face and rubber inward flange (15) is equipped with tip.

6. a kind of bearing seal mounting structure according to claim 1, it is characterised in that: the width of the rubber standoff (9) Degree is greater than the spacing of rubber outward flange (7) and rubber inward flange (15).