CN219388454U - Superstrong dustproof waterproof seal of ectosphere face bearing - Google Patents

Abstract

The utility model provides an outer spherical bearing superstrong dustproof and waterproof seal, which relates to the technical field of bearing sealing, and comprises a bearing outer ring, wherein balls are arranged on the inner side of the bearing outer ring through sliding connection, a bearing inner ring is arranged on the inner side of the balls, a middle annular groove is formed in the inner curved side surface of the bearing outer ring, a limiting annular groove is fixedly connected to the top of the middle annular groove, a surrounding baffle is fixedly connected to the top of the bearing outer ring, a fixed annular groove A is fixedly connected to the top of the middle annular groove, a sealing groove A is fixedly connected to the outer side of the fixed annular groove A, after the inner sealing and the outer sealing are combined together, the sealing lip A is matched with the bearing outer ring through a rubber sealing lip C and the bearing inner ring, and a bearing gap can form a barrier for blocking external substances in multiple ways through interference fit of three groups of the abutting annular grooves and the rubber sealing lip B, so that the sealing performance of the bearing can be improved, and the problem that the sealing performance of the bearing is inconvenient to block external substances in the prior bearing sealing is solved.

Description

Superstrong dustproof waterproof seal of ectosphere face bearing

Technical Field

The utility model belongs to the field of bearing sealing, and particularly relates to an outer spherical bearing super-strong dustproof and waterproof seal.

Background

Bearing seals are designed to prevent dust, water, and other debris from entering the bearing and to prevent lubricant loss, and rolling bearing seals are generally classified into contact seals, non-contact seals, and combination seals.

The utility model patent CN217736027U discloses a high-sealing bearing, which comprises an inner ring, an outer ring, a retainer and at least two balls, wherein two annular end surfaces of the inner ring and the outer ring are respectively provided with an abutting groove, the abutting groove of the inner ring is also provided with a clamping groove, the outer ring is also provided with at least two wind holes communicated with the abutting grooves, and a sealing component is detachably arranged between the two abutting grooves on the same side of the inner ring and the outer ring.

However, the above bearing seal is inconvenient to stably store lubricating oil, is inconvenient to effectively prevent invasion of substances such as dust, particles and water, is inconvenient to continuously lubricate balls, is inconvenient to improve the service life of the bearing, and is inconvenient to improve the sealing property of the bearing through multiple barriers for blocking foreign substances.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an outer spherical bearing super-strong dustproof and waterproof seal, which solves the problem that the sealing performance of the bearing is inconvenient to improve through multiple barriers for blocking foreign substances in the existing bearing seal.

The utility model discloses a purpose and an effect of ultra-strong dustproof and waterproof sealing of an outer spherical bearing, which are achieved by the following specific technical means: an outer spherical bearing super-strong dustproof and waterproof seal comprises a bearing outer ring; the inner side of the bearing outer ring is provided with a ball through sliding connection, and the inner side of the ball is provided with a bearing inner ring; the bearing outer ring is characterized in that a middle ring groove is formed in the inner curved side surface of the bearing outer ring, a limiting ring groove is fixedly connected to the top of the middle ring groove, a surrounding baffle is fixedly connected to the top of the bearing outer ring, a fixing ring groove A is fixedly connected to the top of the middle ring groove, and a sealing groove A is fixedly connected to the outer side of the fixing ring groove A; a fixed ring groove B is formed in the outer curved side surface of the bearing inner ring, and a sealing groove B is formed in the inner side of the fixed ring groove B; the sealing groove B is internally provided with a sealing ring A through interference fit connection, the outer curved side surface of the sealing ring A is fixedly connected with a fixed pipe part, the fixed pipe part is connected to the inner side of the sealing groove B through interference fit, the outer curved side surface of the fixed pipe part is fixedly connected with a seal externally, the outer curved side surface of the seal externally is fixedly connected with a rubber sealing lip A, and the seal externally is internally provided with a sealing screw through threaded connection.

Further, the rubber sealing lip A is connected to the inner side of the limit ring groove in an interference fit mode.

Further, the external bottom of sealed is fixedly connected with rubber and seals lip B, and the oil storage tank has been seted up to rubber and seals lip B bottom, and the oil storage tank quantity sets up to two sets of, and the bent side of oil storage tank transversely runs through there is the oilhole.

Further, sealing groove A inboard is provided with sealing washer B through interference fit connection, and sealing washer B inboard fixedly connected with is buckled the limit, and it is built-in that buckle limit inboard fixedly connected with is sealed.

Furthermore, the top of the seal built-in is provided with three groups of the butt-joint ring grooves, and the bottom of the rubber sealing lip B is connected to the inner side of the butt-joint ring grooves in an interference fit manner.

Further, the inner curved side surface of the seal is fixedly connected with a rubber sealing lip C, and the inner side edge of the rubber sealing lip C is in interference fit connection with the outer curved side surface of the bearing inner ring.

The utility model at least comprises the following beneficial effects:

according to the utility model, the sealing screw is arranged, after the sealing screw is taken out from the outside of the seal by using the screw driver, lubricating grease can be injected into the threaded hole, grease which is positioned on the inner side by centrifugal force in the rotation process of the bearing can continuously flow through the oil storage groove on the outer side of the oil hole, the lubricating grease can flow into the oil storage groove through the oil hole on the curved side surface of the oil storage groove, and the lubricating grease is filled to form a closed blocking space, so that substances such as dust, particles, water and the like can be effectively prevented from entering.

According to the utility model, the rubber sealing lip C is arranged, so that lubricating oil can flow downwards through the junction of the rubber sealing lip C and the bearing inner ring in the process of relative rotation of the bearing outer ring and the bearing inner ring, the balls can be continuously lubricated, and the service life of the bearing can be prolonged.

According to the utility model, the rubber sealing lip B is arranged, the sealing built-in and sealing built-out are arranged at the gap between the bearing inner ring and the bearing outer ring, so that after the sealing built-in and sealing built-out are combined together, the sealing built-in and sealing built-out can be matched with the bearing outer ring through the rubber sealing lip A, the rubber sealing lip C is matched with the bearing inner ring, and the bearing gap can form a barrier for multiple blocking of external substances through interference fit of three groups of butt ring grooves and the rubber sealing lip B, so that the sealing performance of the bearing can be improved.

Drawings

Fig. 1 is a schematic side sectional perspective view of a bearing outer race according to the present utility model.

Fig. 2 is an enlarged partial schematic view of the utility model of fig. 1 a.

Fig. 3 is a schematic perspective exploded view of the present utility model.

Fig. 4 is an enlarged partial schematic view of the present utility model B of fig. 3.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a bearing outer ring;

101. a middle ring groove; 102. a limit ring groove; 103. a surrounding baffle; 104. a fixed ring groove A; 105. sealing the groove A;

2. a bearing inner ring;

201. a fixed ring groove B; 202. sealing the groove B;

3. sealing externally;

301. a fixed pipe section; 302. a sealing ring A; 303. rubber sealing lip A; 304. a sealing screw;

4. rubber sealing lip B;

401. an oil storage tank; 402. an oil hole;

5. sealing and embedding;

501. bending the edge; 502. a docking ring groove; 503. a sealing ring B; 504. rubber sealing lip C;

6. and (3) rolling balls.

Description of the embodiments

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1 to 4: the utility model provides an outer spherical bearing super-strong dustproof and waterproof seal, which comprises a bearing outer ring 1; the inner side of the bearing outer ring 1 is provided with a ball 6 through sliding connection, and the inner side of the ball 6 is provided with a bearing inner ring 2; the inner curved side surface of the bearing outer ring 1 is provided with a middle ring groove 101, the top of the middle ring groove 101 is fixedly connected with a limiting ring groove 102, the top of the bearing outer ring 1 is fixedly connected with a surrounding baffle 103, the top of the middle ring groove 101 is fixedly connected with a fixed ring groove A104, and the outer side of the fixed ring groove A104 is fixedly connected with a sealing groove A105; a fixed ring groove B201 is formed in the outer curved side surface of the bearing inner ring 2, and a sealing groove B202 is formed in the inner side of the fixed ring groove B201; the inside sealing groove B202 is provided with sealing washer A302 through interference fit connection, sealing washer A302 lateral surface fixedly connected with fixed pipe portion 301, fixed pipe portion 301 interference fit connects in sealing groove B202 inboard, fixed pipe portion 301 lateral surface fixedly connected with sealed external 3, sealed external 3 lateral surface fixedly connected with rubber seal lip A303, sealed external 3 inside is provided with sealing screw 304 through threaded connection, rubber seal lip A303 interference fit connects in spacing ring groove 102 inboard, sealed external 3 bottom fixedly connected with rubber seal lip B4, oil storage tank 401 has been seted up to rubber seal lip B4 bottom, oil storage tank 401 quantity sets up to two sets of, oil storage tank 401 lateral surface transversely runs through and has oilhole 402, through using the screwdriver with sealed screw 304 follow sealed external 3 after, can annotate grease to the screw hole, lubrication grease can flow into inside oil storage tank 401 through oilhole 402 of oil storage tank 401 lateral surface, it forms airtight separation space to fill lubrication grease, can effectively prevent substances such as dust, granule, water invasion, simultaneously, in the process that bearing inner race 1 and bearing inner race 2 relatively rotate, lubrication 504 can be through rubber lip C and seal ball bearing 2 and seal the inside, the bearing can continuously flow down life-span is improved.

As shown in fig. 2 to 4, a sealing ring B503 is arranged on the inner side of a sealing groove a105 through interference fit connection, a bending edge 501 is fixedly connected on the inner side of the sealing ring B503, a sealing built-in 5 is fixedly connected on the inner side of the bending edge 501, a docking ring groove 502 is formed in the top of the sealing built-in 5, the number of docking ring grooves 502 is three, the bottom of a rubber sealing lip B4 is connected on the inner side of the docking ring groove 502 through interference fit, a rubber sealing lip C504 is fixedly connected on the inner side of the sealing built-in 5, the inner side edge of the rubber sealing lip C504 is connected with the outer side of a bearing inner ring 2 through interference fit, after the sealing built-in 5 and the sealing built-out 3 are arranged at the gap between the bearing inner ring 2 and the bearing outer ring 1, the sealing built-in 5 and the sealing built-out 3 can be combined together, the sealing built-in 5 and the bearing outer ring 1 can be matched with the bearing through the rubber sealing lip a303, the sealing ring 2 can form a barrier for multiple blocking substances through interference fit between the docking ring groove 502 and the rubber sealing lip B4.

Specific use and action of the embodiment:

in the utility model, when the bearing is used, the seal built-in 5 and the seal built-out 3 are arranged at the gap between the bearing inner ring 2 and the bearing outer ring 1, after the seal built-in 5 and the seal built-out 3 are combined together, the seal built-in 5 and the seal built-out 3 can be matched with the bearing outer ring 1 through the rubber sealing lip A303, the seal built-out 2 is matched with the bearing inner ring through the rubber sealing lip C504, the bearing gap can form a barrier for multiple blocking of external matters through the interference fit of the three groups of the butt ring grooves 502 and the rubber sealing lip B4, the tightness of the bearing can be improved, after the seal screw 304 is taken out from the seal built-out 3 through a screw driver, lubricating grease can be injected into the screw hole, the lubricating grease can flow into the oil storage groove 401 through the oil hole 402 on the curved side surface of the oil storage groove 401, so as to form a closed blocking space, and invasion of dust, particles, water and other substances can be effectively prevented, meanwhile, in the relative rotation process of the bearing outer ring 1 and the bearing inner ring 2, the sealing ring 2 can flow downwards through the rubber sealing lip C504 and the position of the bearing inner ring 2, continuous lubrication can be carried out on the ball 6, and the service life of the bearing can be improved.

Claims (6)

1. The utility model provides an superstrong dustproof waterproof seal of ectosphere face bearing which characterized in that: comprises a bearing outer ring (1); the inner side of the bearing outer ring (1) is provided with a ball (6) through sliding connection, and the inner side of the ball (6) is provided with a bearing inner ring (2); the bearing outer ring (1) is internally curved, a middle ring groove (101) is formed in the side face of the bearing outer ring (1), a limiting ring groove (102) is fixedly connected to the top of the middle ring groove (101), a surrounding baffle (103) is fixedly connected to the top of the bearing outer ring (1), a fixed ring groove A (104) is fixedly connected to the top of the middle ring groove (101), and a sealing groove A (105) is fixedly connected to the outer side of the fixed ring groove A (104); a fixed ring groove B (201) is formed in the outer curved side surface of the bearing inner ring (2), and a sealing groove B (202) is formed in the inner side of the fixed ring groove B (201); sealing groove B (202) inboard is provided with sealing washer A (302) through interference fit connection, and sealing washer A (302) lateral surface fixedly connected with fixed pipe portion (301), fixed pipe portion (301) interference fit connect in sealing groove B (202) inboard, fixed pipe portion (301) lateral surface fixedly connected with is sealed external (3), and sealed external (3) lateral surface fixedly connected with rubber seals lip A (303), and sealed external (3) inside is provided with sealing screw (304) through threaded connection.

2. The ultra-strong dustproof and waterproof seal for the outer spherical bearing according to claim 1, wherein the rubber sealing lip A (303) is connected to the inner side of the limit ring groove (102) in an interference fit manner.

3. The ultra-strong dustproof and waterproof seal for the outer spherical bearing according to claim 1, wherein the rubber sealing lip B (4) is fixedly connected to the bottom of the outer seal (3), oil storage grooves (401) are formed in the bottom of the rubber sealing lip B (4), the number of the oil storage grooves (401) is two, and oil holes (402) transversely penetrate through the curved side surfaces of the oil storage grooves (401).

4. The ultra-strong dustproof and waterproof seal for the outer spherical bearing according to claim 1, wherein a sealing ring B (503) is arranged on the inner side of the sealing groove A (105) through interference fit connection, a bending edge (501) is fixedly connected on the inner side of the sealing ring B (503), and a sealing built-in (5) is fixedly connected on the inner side of the bending edge (501).

5. The ultra-strong dustproof and waterproof seal for the outer spherical bearing according to claim 4, wherein the top of the seal built-in (5) is provided with a butt-joint ring groove (502), the number of the butt-joint ring grooves (502) is three, and the bottom of the rubber sealing lip B (4) is connected to the inner side of the butt-joint ring groove (502) in an interference fit manner.

6. The ultra-strong dustproof and waterproof seal for the outer spherical bearing is characterized in that a rubber sealing lip C (504) is fixedly connected to the inner curved side surface of the seal built-in (5), and the inner side edge of the rubber sealing lip C (504) is in interference fit connection with the outer curved side surface of the bearing inner ring (2).