Rubber-coated bearing capable of preventing impurities from entering

Abstract

The utility model relates to the technical field of rubber-coated bearings, in particular to a rubber-coated bearing capable of preventing impurities from entering, which comprises an outer ring, an inner ring, balls and a rubber ring, an inner ring is arranged in the outer ring, balls are arranged between the outer ring and the inner ring through a support, the outer side of the outer ring is sleeved with a rubber ring, a protection mechanism is arranged between the outer ring and the inner ring, and one side of the outer ring is connected with a fixing mechanism. According to the rubber-coated bearing capable of preventing impurities from entering, the annular sealing gasket is inserted between the outer ring and the inner ring, the rubber ring is arranged on the outer ring in a sleeving mode, then the blocking piece is placed in the first fan-shaped groove and the second fan-shaped groove, the annular sealing gasket is prevented from falling off during abrasion, the annular sealing gasket is used for preventing impurities from entering, and then the impurities are prevented from entering the rubber-coated bearing; the fixing bolts are unscrewed and pushed to drive the multiple sets of blocking pieces to move out of the first fan-shaped groove and the second fan-shaped groove, limiting of the annular sealing gasket and the rubber ring is relieved, and then the rubber ring of the rubber-coated bearing is easy to replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of encapsulated bearing, specifically to a kind of encapsulated bearing of preventing impurities from entering. BACKGROUND

[0002] Encapsulated bearing is a common mechanical component, which is mainly used to reduce friction and wear, and improve the operating efficiency of equipment by coating a layer of soft rubber material on the metal shell to achieve shock absorption and noise reduction effect. However, the existing encapsulated bearing still has some defects when in use, such as;

[0003] The existing encapsulated bearing usually has steel balls exposed directly, which is easy to be affected by impurities. Some encapsulated bearings have sealing rings directly clamped in the gap between the inner ring and the outer ring. After a period of use, the sealing ring is easy to loosen due to wear, and even directly falls off in severe cases, thereby affecting use. Moreover, the existing encapsulated bearing has a rubber ring directly adhered to the bearing, which is difficult to replace when worn. SUMMARY

[0004] The utility model aims at providing a kind of encapsulated bearing of preventing impurities from entering to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of encapsulated bearing of preventing impurities from entering, comprising: outer ring, inner ring, ball and rubber ring;

[0006] The inner ring is arranged in the inner part of the outer ring, and the ball is arranged between the outer ring and the inner ring through the support, the rubber ring is sleeved on the outer side of the outer ring, and the protective mechanism is arranged between the outer ring and the inner ring, and the fixed mechanism is connected to one side of the outer ring.

[0007] The protective mechanism comprises: annular groove, annular sealing gasket, first sector groove, positioning groove, positioning plate, second sector groove and baffle, the inner side wall of the outer ring and the outer side of the inner ring are both provided with annular groove, the annular sealing gasket is slidably connected in the annular groove, and the first sector groove is formed in the outer side of the annular sealing gasket.

[0008] Preferably, the positioning groove is formed in the inner wall of the rubber ring, the positioning plate is slidably connected in the positioning groove, and the positioning plate is connected to the outer side of the outer ring.

[0009] Preferably, the second sector groove is formed in the inner wall of the rubber ring close to the positioning groove.

[0010] Preferably, the first sector groove and the second sector groove are clamped with the baffle.

[0011] Preferably, the fixing mechanism comprises a ring-shaped shell, an outer tooth ring, a gear, an arc-shaped slot and a fixing bolt, one side of the outer ring is connected with the ring-shaped shell through screwing, and the inside of the ring-shaped shell is rotatably connected with the outer tooth ring.

[0012] Preferably, the inner wall of the outer tooth ring is movably connected with the gear, and the gear penetrates through the inner wall of the ring-shaped shell and is connected with one side of the baffle.

[0013] Preferably, one side of the ring-shaped shell is provided with the arc-shaped slot.

[0014] Preferably, the inside of the arc-shaped slot penetrates and movably connects with the fixing bolt, the fixing bolt is screw-connected with one side of the outer tooth ring, and the fixing bolt is extruded on one side of the ring-shaped shell.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the impurity-preventing encapsulated bearing is characterized in that the ring-shaped sealing gasket is inserted between the outer ring and the inner ring, the rubber ring is sleeved on the outer ring, then the baffle is placed in the first fan-shaped slot and the second fan-shaped slot, the ring-shaped sealing gasket is prevented from falling off during abrasion, the impurity is prevented from entering through the ring-shaped sealing gasket, and the encapsulated bearing is prevented from entering impurities.

[0016] 1. the ring-shaped sealing gasket is inserted between the outer ring and the inner ring, the rubber ring is sleeved on the outer ring, then the baffle is placed in the first fan-shaped slot and the second fan-shaped slot, the ring-shaped sealing gasket is connected with the rubber ring, the gap between the outer ring and the inner ring is blocked by the ring-shaped sealing gasket, and the encapsulated bearing is prevented from entering impurities.

[0017] 2. the fixing bolt is loosened, then the fixing bolt is pushed to drive the outer tooth ring to rotate, the outer tooth ring drives the baffle to rotate, the baffle is moved out of the first fan-shaped slot and the second fan-shaped slot, the limiting of the ring-shaped sealing gasket and the rubber ring is released, and the encapsulated bearing is easy to replace the rubber ring. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic diagram of the ring-shaped sealing gasket of the utility model;

[0020] Figure 3 It is a three-dimensional sectional structure schematic diagram of the first fan-shaped slot of the utility model;

[0021] Figure 4 It is a side view sectional structure schematic diagram of the outer ring of the utility model;

[0022] Figure 5The utility model discloses a three-dimensional structure schematic diagram of outer gear ring.

[0023] In the drawing: 1, outer ring; 2, inner ring; 3, ball; 4, rubber ring; 5, protection mechanism; 501, annular groove; 502, annular sealing gasket; 503, first sector groove; 504, positioning groove; 505, positioning plate; 506, second sector groove; 507, baffle; 6, fixing mechanism; 601, annular shell; 602, outer gear ring; 603, gear; 604, arc groove; 605, fixing bolt. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of impurity-proof encapsulated bearing, it include: outer ring 1, inner ring 2, ball 3 and rubber ring 4;The inside of outer ring 1 is provided with inner ring 2, and outer ring 1 and inner ring 2 are provided with ball 3 by support between them, the outside of outer ring 1 is sleeved with rubber ring 4, and outer ring 1 and inner ring 2 are provided with protection mechanism 5 between them, one side of outer ring 1 is connected with fixed mechanism 6;Protection mechanism 5 includes: annular groove 501, annular sealing gasket 502, first sector groove 503, positioning groove 504, positioning plate 505, second sector groove 506 and baffle 507, the inside wall of outer ring 1 and the outside of inner ring 2 are all provided with annular groove 501, annular sealing gasket 502 is slidably connected in annular groove 501, the outside of annular sealing gasket 502 is provided with first sector groove 503, positioning groove 504 is formed on the inner wall of rubber ring 4, positioning plate 505 is slidably connected in positioning groove 504, positioning plate 505 is connected on the outside of outer ring 1, second sector groove 506 is formed on the inner wall of rubber ring 4 close to positioning groove 504, baffle 507 is clamped in first sector groove 503 and second sector groove 506.

[0026] In specific implementation, annular sealing gasket 502 is inserted between outer ring 1 and inner ring 2, enters annular groove 501, rubber ring 4 is sleeved on outer ring 1, positioning plate 505 is inserted into positioning groove 504, then baffle 507 is placed into first sector groove 503 and second sector groove 506, annular sealing gasket 502 is connected with rubber ring 4, to prevent annular sealing gasket 502 from falling off when wearing, the gap between outer ring 1 and inner ring 2 is blocked by annular sealing gasket 502, to prevent impurities from interfering with the rolling of ball 3, to prevent impurities from entering the encapsulated bearing.

[0027] Referring to Figures 1-4 It can be known that the fixing mechanism 6 comprises: an annular shell 601, an outer tooth ring 602, a gear 603, an arc-shaped slot 604 and a fixing bolt 605, one side of the outer ring 1 is connected with the annular shell 601 through a screw, the inner part of the annular shell 601 is rotationally connected with the outer tooth ring 602, the inner wall of the outer tooth ring 602 is meshingly connected with the gear 603, the gear 603 penetrates through the inner wall of the annular shell 601 and is connected at one side of the baffle 507, one side of the annular shell 601 is provided with the arc-shaped slot 604, the fixing bolt 605 penetrates and slides in the inner part of the arc-shaped slot 604, and the fixing bolt 605 is threadedly connected at one side of the outer tooth ring 602.

[0028] In specific implementation, the fixing bolt 605 in the arc-shaped slot 604 is loosened, then the fixing bolt 605 is pushed to drive the outer tooth ring 602 to rotate, the outer tooth ring 602 drives the multiple gears 603 to rotate, the multiple gears 603 drive the corresponding baffles 507 to rotate, the baffle 507 is moved out of the first fan-shaped slot 503 and the second fan-shaped slot 506, the limiting on the annular sealing gasket 502 and the rubber ring 4 is released, the rubber ring 4 is easily replaced, and the fixing bolt 605 is pressed at one side of the annular shell 601.

[0029] In summary: when the rubber-coated bearing for preventing impurities from entering is used, firstly, the arc-shaped slot 604 is loosened and the arc-shaped slot 604 is pushed to make the baffle 507 rotate by 90°, then the annular sealing gasket 502 is inserted between the outer ring 1 and the inner ring 2, the rubber ring 4 is sleeved on the outer ring 1, then the fixing bolt 605 is pushed to reset and drive the baffle 507 to be inserted into the first fan-shaped slot 503 and the second fan-shaped slot 506, then the arc-shaped slot 604 is tightened, the rubber-coated bearing is installed on the equipment, the outer ring 1 and the rubber ring 4 rotate at the outer side of the inner ring 2, drive the ball 3 to roll between the outer ring 1 and the inner ring 2, the annular sealing gasket 502 rotates together with the outer ring 1 and the rubber ring 4, and meanwhile the annular sealing gasket 502 blocks the gap between the outer ring 1 and the inner ring 2, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An encapsulated bearing protected from contaminants, comprising: Outer ring (1), inner ring (2), ball (3) and rubber ring (4), it is characterized in that; The inner side of the outer ring (1) is provided with the inner ring (2), and the outer ring (1) and the inner ring (2) are provided with the ball (3) through the support, the outer side of the outer ring (1) is sleeved with the rubber ring (4), and the outer ring (1) and the inner ring (2) are provided with the protection mechanism (5), one side of the outer ring (1) is connected with the fixed mechanism (6); The protection mechanism (5) comprises: annular groove (501), annular sealing gasket (502), first sector groove (503), positioning groove (504), positioning plate (505), second sector groove (506) and baffle (507), the inner side wall of the outer ring (1) and the outer side of the inner ring (2) are both provided with annular groove (501), the annular sealing gasket (502) is connected in the annular groove (501), the outer side of the annular sealing gasket (502) is provided with the first sector groove (503).

2. A contamination exclusion encapsulated bearing according to claim 1, wherein: The inner wall of the rubber ring (4) is provided with the positioning groove (504), the positioning plate (505) is connected in the positioning groove (504), and the positioning plate (505) is connected to the outer side of the outer ring (1).

3. A contamination exclusion encapsulated bearing according to claim 2, wherein: The inner wall of the rubber ring (4) close to the positioning groove (504) is provided with the second sector groove (506).

4. A contamination exclusion encapsulated bearing according to claim 3, wherein: The first sector groove (503) and the second sector groove (506) are clamped with the baffle (507).

5. A contamination exclusion encapsulated bearing according to claim 4, wherein: The fixed mechanism (6) comprises: annular shell (601), outer gear ring (602), gear (603), arc groove (604) and fixed bolt (605), one side of the outer ring (1) is connected with the annular shell (601) through the screw, the inner side of the annular shell (601) is rotatably connected with the outer gear ring (602).

6. A contamination exclusion encapsulated bearing according to claim 5, wherein: The inner wall of the outer gear ring (602) is meshed with the gear (603), and the gear (603) penetrates the inner wall of the annular shell (601) and is connected to one side of the baffle (507).

7. A contamination exclusion encapsulated bearing according to claim 5, wherein: One side of the annular shell (601) is provided with the arc groove (604).

8. A contamination exclusion encapsulated bearing according to claim 7, characterized in that: The fixed bolt (605) is slid through the inside of the arc groove (604), the fixed bolt (605) is threadedly connected to one side of the outer gear ring (602), and the fixed bolt (605) is extruded on one side of the annular shell (601).

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