CN211145105U

CN211145105U - Rolling bearing with high sealing performance

Info

Publication number: CN211145105U
Application number: CN201922195282.6U
Authority: CN
Inventors: 刘业志
Original assignee: Hubei Chuangrui Precision Bearing Co ltd
Current assignee: Hubei Chuangrui Precision Bearing Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-31
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a antifriction bearing that sealing performance is high relates to antifriction bearing technical field, often exposes for a long time in the air circumstance for the inside ball of bearing among the solution prior art or bearing structure, though brought good heat conductivility, nevertheless also consequently takes place oxidation easily, leads to bearing efficiency to receive the problem of influence. The outer surface of the combined needle bearing is provided with an outer metal shaft ring, a needle roller fixing ring is arranged on the inner side of the outer metal shaft ring, a cylindrical needle roller is arranged on the surface of the needle roller fixing ring and connected with the needle roller fixing ring through a clamping groove, an inner metal shaft ring is arranged on the inner side of the needle roller fixing ring and rotatably connected with the inner metal shaft ring and the outer metal shaft ring through the cylindrical needle roller, graphite gaskets are arranged on two sides of the needle roller fixing ring and connected with the inner metal shaft ring and the outer metal shaft ring through sealing shaft cavities.

Description

Rolling bearing with high sealing performance

Technical Field

The utility model relates to a antifriction bearing technical field specifically is a antifriction bearing that sealing performance is high.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the coefficient of friction in its motion to guarantee its gyration precision, early linear motion bearing form is that a row of wooden poles is put under a row of pinch plates. Modern linear motion bearings use the same principle of operation, except that balls are sometimes used instead of rollers. The simplest slew bearing is a sleeve bearing, which is simply a bushing sandwiched between the wheel and axle. This design was subsequently replaced by a rolling bearing, which replaced the original bushing with a number of cylindrical rollers, each of which acted as a separate wheel.

However, the ball or needle structure inside the existing bearing is often exposed to the air environment for a long time, and although good heat conductivity is brought, the oxidation phenomenon is easy to occur, so that the bearing efficiency is affected; therefore, the existing requirements are not met, and a rolling bearing with high sealing performance is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a antifriction bearing that sealing performance is high to the inside ball of bearing or the bearing structure that proposes in solving above-mentioned background art often expose for a long time in air circumstance, though brought good heat conductivility, nevertheless also consequently take place oxidation easily, lead to bearing efficiency to receive the problem of influence.

In order to achieve the above object, the utility model provides a following technical scheme: the rolling bearing with high sealing performance comprises a combined needle bearing, wherein an outer metal shaft ring is arranged on the outer surface of the combined needle bearing, a needle roller fixing ring is arranged on the inner side of the outer metal shaft ring, a cylindrical needle roller is arranged on the surface of the needle roller fixing ring and is connected with the needle roller fixing ring through a clamping groove, an inner metal shaft ring is arranged on the inner side of the needle roller fixing ring, the needle roller fixing ring is rotatably connected with the inner metal shaft ring and the outer metal shaft ring through the cylindrical needle roller, graphite gaskets are arranged on two sides of the needle roller fixing ring, and the graphite gaskets are connected with the inner metal shaft ring and the outer metal shaft ring through a sealing shaft cavity.

Preferably, the outer surface of the outer metal shaft collar is provided with a combined groove, an oil filling hole is formed in the combined groove, magnetic suction pieces are arranged on two sides of the oil filling hole, a combined outer plate is arranged on the outer side of the combined groove, and arc-shaped buckle grooves are formed in two ends of the combined outer plate.

Preferably, the magnetic attraction piece is connected with the outer metal shaft collar through a clamping groove, the oil injection hole penetrates through the inner side of the outer metal shaft collar, and the combined outer plate is connected with the combined groove through the magnetic attraction piece.

Preferably, the outside of graphite gasket is provided with the outer lane clamp, and the inboard is provided with the inner circle clamp, outer lane clamp and inner circle clamp and graphite gasket built-up connection, and the width of graphite gasket is greater than the width of outer lane clamp and inner circle clamp.

Preferably, the outside of outer lane clamp and inner circle clamp all is provided with the rubber card strip, and the rubber card strip passes through the draw-in groove with outer lane clamp and inner circle clamp and is connected.

Preferably, the width of the needle roller fixing ring is smaller than the width of the inner metal shaft ring and the width of the outer metal shaft ring.

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

1. the utility model discloses reserve in the both sides of bearing and have certain space, then fill in the graphite gasket that is equipped with the clamp in the reservation space of bearing both sides, and install a rubber card strip in the outside of inside and outside clamp, can fix the graphite gasket in the both sides of bearing through the elasticity of adhesive tape, the adhesive tape can also ensure the leakproofness of junction after adorning simultaneously, and the graphite gasket is made through graphite powder, graphite self lubricating coefficient is higher, can use as the emollient, so not only can not influence the operation of bearing can also strengthen the rotation efficiency of bearing, graphite also has better heat conductivility simultaneously, after the installation, derive the heat from the both sides of bearing, play radiating effect;

2. the utility model discloses be provided with a combination planking in outer metal shaft collar outside, will expose inside oil filler point after the planking is opened, through the oilhole alright with to the inside lubricating oil that adds of bearing, and after lubricating oil adds, with the planking install again and cover it in the draw-in groove of oilhole department, fix it through the mode of magnetism, inside avoiding the air to enter into the bearing from the oilhole, the inside sealed environment of guarantee bearing.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of the overall exploded structure of the present invention;

fig. 3 is a side view of the graphite gasket of the present invention.

In the figure: 1. a combined needle bearing; 2. an outer metal collar; 3. an inner metal collar; 4. assembling an outer plate; 5. an arc-shaped catching groove; 6. a combination tank; 7. an oil filler hole; 8. a magnetic attraction sheet; 9. a needle roller fixing ring; 10. cylindrical roller pins; 11. sealing the shaft cavity; 12. a graphite gasket; 13. an outer ring hoop; 14. an inner ring hoop; 15. and (6) a rubber clamping strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a rolling bearing with high sealing performance comprises a combined needle bearing 1, wherein an outer metal shaft ring 2 is arranged on the outer surface of the combined needle bearing 1 and plays a role in protection, a needle fixing ring 9 is arranged on the inner side of the outer metal shaft ring 2 and is used for fixing needle rollers, cylindrical needle rollers 10 are arranged on the surface of the needle fixing ring 9, the cylindrical needle rollers 10 are connected with the needle fixing ring 9 through clamping grooves, an inner metal shaft ring 3 is arranged on the inner side of the needle fixing ring 9, the needle fixing ring 9 is rotatably connected with the inner metal shaft ring 3 and the outer metal shaft ring 2 through the cylindrical needle rollers 10, graphite gaskets 12 are arranged on two sides of the needle fixing ring 9, the graphite gaskets 12 are connected with the inner metal shaft ring 3 and the outer metal shaft ring 2 through a sealing shaft cavity 11, the graphite gaskets 12 are made of graphite powder, the lubrication coefficient of the graphite is high and can be used as a lubricant, so that the operation of the bearing is not, graphite also has better heat-conducting property simultaneously, and after the installation, derives the heat from the both sides of bearing.

Further, the surface of outer metal shaft collar 2 is provided with combination groove 6, and the inside of combination groove 6 is provided with oil filler point 7, through the inside lubricating oil that adds of oilhole to the bearing, and the both sides of oil filler point 7 are provided with magnetism and inhale piece 8, and the outside of combination groove 6 is provided with combination planking 4, adds the back at lubricating oil, covers oilhole department through the planking, avoids the air to enter into the bearing from the oilhole inside, and the both ends of combination planking 4 are provided with arc catching groove 5, are convenient for open the planking.

Further, the magnetic attraction piece 8 is connected with the outer metal shaft ring 2 through a clamping groove, the oil injection hole 7 penetrates through the inner side of the outer metal shaft ring 2, the combined outer plate 4 is connected with the combined groove 6 through the magnetic attraction piece 8, and the magnetic attraction mode is used for fixing.

Further, the outside of graphite gasket 12 is provided with outer lane clamp 13, and the inboard is provided with inner circle clamp 14, and outer lane clamp 13 and inner circle clamp 14 and graphite gasket 12 built-up connection, and graphite gasket 12's width is greater than outer lane clamp 13 and inner circle clamp 14's width, and graphite itself is fragile, can provide the protection to the gasket through the clamp of inside and outside, is convenient for carry out the aggregate erection.

Further, the outside of outer lane clamp 13 and inner circle clamp 14 all is provided with rubber card strip 15, and rubber card strip 15 passes through the draw-in groove with outer lane clamp 13 and inner circle clamp 14 and is connected, and the elasticity through the adhesive tape can install the both sides of bearing with the graphite gasket 12 of clamp, and the adhesive tape can also ensure the leakproofness of junction after the dress is good.

Further, the width of the needle roller fixing ring 9 is smaller than the width of the inner metal shaft ring 3 and the outer metal shaft ring 2, so that spaces for installing gaskets are reserved on two sides of the bearing.

The working principle is as follows: when in use, the needle roller fixing ring 9 provided with the needle rollers is arranged between the inner metal shaft collar 3 and the outer metal shaft collar 2, the width of the fixing ring is smaller than that of the inner metal shaft collar and the outer metal shaft collar, so that a certain space is reserved on two sides of the bearing, the graphite gasket 12 provided with the clamp is plugged into the reserved space on two sides of the bearing, the rubber clamping strip 15 is arranged on the outer sides of the inner metal shaft collar and the outer metal shaft collar, the graphite gasket 12 can be fixed on two sides of the bearing through the elasticity of the rubber strip, meanwhile, the sealing performance of the joint can be ensured after the installation, finally, when lubricating oil needs to be added, the combined outer plate 4 outside the outer metal shaft collar 2 is opened to expose the oil filling hole 7 inside, the lubricating oil is added into the bearing through the oil hole, the oil hole is covered through the outer plate after the lubricating oil is added, and the lubricating oil hole is fixed through a, avoid the air to enter into the bearing inside from the oilhole, guarantee the inside sealed environment of bearing.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a antifriction bearing that sealing performance is high, includes combination needle bearing (1), its characterized in that: the outer surface of the combined needle bearing (1) is provided with an outer metal shaft ring (2), the inner side of the outer metal shaft ring (2) is provided with a needle roller fixing ring (9), the surface of the needle roller fixing ring (9) is provided with cylindrical needle rollers (10), the cylindrical needle rollers (10) are connected with the needle roller fixing ring (9) through clamping grooves, the inner side of the needle roller fixing ring (9) is provided with an inner metal shaft ring (3), the needle roller fixing ring (9) is rotatably connected with the inner metal shaft ring (3) and the outer metal shaft ring (2) through the cylindrical needle rollers (10), graphite gaskets (12) are arranged on two sides of the needle roller fixing ring (9), and the graphite gaskets (12) are connected with the inner metal shaft ring (3) and the outer metal shaft ring (2) through a sealing shaft cavity (11).

2. The rolling bearing with high sealing performance according to claim 1, wherein: the outer surface of the outer metal shaft ring (2) is provided with a combined groove (6), an oil filling hole (7) is formed in the combined groove (6), magnetic suction pieces (8) are arranged on two sides of the oil filling hole (7), a combined outer plate (4) is arranged on the outer side of the combined groove (6), and arc-shaped buckling grooves (5) are formed in two ends of the combined outer plate (4).

3. The rolling bearing with high sealing performance according to claim 2, wherein: the magnetic attraction piece (8) is connected with the outer metal shaft ring (2) through a clamping groove, the oil filling hole (7) penetrates through the inner side of the outer metal shaft ring (2), and the combined outer plate (4) is connected with the combined groove (6) through the magnetic attraction piece (8).

4. The rolling bearing with high sealing performance according to claim 1, wherein: the outside of graphite gasket (12) is provided with outer lane clamp (13), and the inboard is provided with inner circle clamp (14), outer lane clamp (13) and inner circle clamp (14) and graphite gasket (12) built-up connection, and the width of graphite gasket (12) is greater than the width of outer lane clamp (13) and inner circle clamp (14).

5. The rolling bearing with high sealing performance according to claim 4, wherein: the outside of outer lane clamp (13) and inner circle clamp (14) all is provided with rubber card strip (15), and rubber card strip (15) pass through the draw-in groove with outer lane clamp (13) and inner circle clamp (14) and are connected.

6. The rolling bearing with high sealing performance according to claim 1, wherein: the width of the needle roller fixing ring (9) is smaller than the width of the inner metal shaft ring (3) and the outer metal shaft ring (2).