CN219262972U - Tapered roller bearing for automobile - Google Patents

Abstract

The utility model relates to the technical field of mechanical spare and accessory parts, and particularly discloses a tapered roller bearing for an automobile; the utility model solves the problems that in the prior art, impurities such as dust easily enter a larger gap between an outer ring and an inner ring of a tapered roller bearing for a medium-sized automobile and the service life of the bearing is reduced.

Description

Tapered roller bearing for automobile

Technical Field

The application relates to the technical field of mechanical spare and accessory parts, and particularly discloses a tapered roller bearing for an automobile.

Background

The tapered roller bearing belongs to a split bearing, the inner ring and the outer ring of the bearing are respectively provided with a tapered roller way, the bearing is divided into different structural types such as single-row tapered roller bearings, double-row tapered roller bearings and four-row tapered roller bearings according to the row number of the installed rollers, the single-row tapered roller bearing can bear radial load and single-direction axial load, when the bearing bears radial load, an axial component force is generated, so that when the bearing is required to be balanced by another bearing capable of bearing opposite axial force, the tapered roller bearing is commonly used on automobiles.

In the prior art, as in the chinese patent with publication number CN201196204Y, a tapered roller bearing for medium-sized automobile, the tapered roller bearing comprises an inner ring, an outer ring, rollers and a retainer, wherein the bearing outer ring raceway, the bearing inner ring raceway and the bearing rollers all contact in logarithmic hyperbolic shape, and the retainer is arranged between the bearing inner ring and the bearing outer ring.

The tapered roller bearing for the medium-sized automobile has the advantages that a large gap is formed between the outer ring and the inner ring, so that impurities such as dust are easy to enter between the outer ring and the inner ring and are attached to the rollers, friction force between the rollers and the outer ring and friction loss between the side wall of the tapered roller bearing and the rollers can be caused under the long-time action, and the service life of the bearing is shortened.

The inventors have accordingly provided a tapered roller bearing for an automobile in order to solve the above-described problems.

Disclosure of Invention

The utility model aims to provide a tapered roller bearing for an automobile, which solves the problems that dust and other impurities easily enter a large gap between an outer ring and an inner ring of the tapered roller bearing for a medium-sized automobile and the service life of the bearing is reduced.

In order to achieve the above object, the basic scheme of the present utility model provides a tapered roller bearing for an automobile: including outer lane, the inner circle, the holder, a plurality of tapered roller and two protection machanism, protection machanism includes the go-between, the protection ring, the fixed pipe, four arc and four protection bolts, outer standing groove and the interior standing groove that is annular form have been seted up respectively on the outer lane medial surface and the inner circle lateral surface, a plurality of tapered roller all roll in outer standing groove and interior standing groove, a plurality of protection mouths have been seted up on the fender bracket, a plurality of tapered roller roll respectively in a plurality of protection mouths, eight arc are fixed respectively on outer lane both opposite sides face, equal fixed connection protection ring of two go-between and fixed pipe, first screw hole has all been seted up on two fixed pipes, second screw hole has all been seted up on eight arc, first screw hole and second screw hole all cooperate with the protection bolt, two fixed pipes all are fixed through four protection bolt threaded connection with four arc, two protection rings all butt outer lane sides and inner circle side, and all set up the protection groove that is annular form.

Compared with the prior art, the principle and effect of the utility model are as follows: 1. the principle is as follows: when the gap between the outer ring and the inner ring is to be protected, a worker firstly puts a fixing tube between four arc plates at one side of the outer ring, the fixing tube moves together with a protection ring and a connecting ring until the protection ring is abutted against the side surfaces of the outer ring and the inner ring, the protection ring seals the gap between the outer ring and the inner ring, then the fixing tube is turned to the fixing tube, four first threaded holes on the fixing tube are respectively aligned with four second threaded holes on the four arc plates, four protection bolts are screwed into the first threaded holes and the second threaded holes to form fixed connection between the fixing tube and the four arc plates, then the other fixing tube is fixedly connected with the four arc plates at the other side surface of the outer ring according to the arrangement, and the other protection ring also seals the gap between the outer ring and the inner ring, so that the protection of the gap between the outer ring and the inner ring can be completed;

2. the tapered roller bearing for the automobile is provided with the two protection mechanisms, so that the gap between the outer ring and the inner ring can be protected, the number of foreign matters such as external dust directly entering the larger gap between the outer ring and the inner ring is reduced, the friction force between the tapered roller and the outer ring and the inner ring is reduced, the service life of the bearing is prolonged, and the problems that the foreign matters such as dust easily enter the larger gap between the outer ring and the inner ring of the tapered roller bearing for the medium-sized automobile and the service life of the bearing is reduced are solved;

3. the tapered roller bearing for the automobile is provided with the arc-shaped plate, the fixed pipe and the protection bolt, so that the protection ring can be replaced conveniently, the protection ring and the side surface of the inner ring can be replaced timely after being damaged due to friction, and the practicability of the protection ring is improved;

4. the tapered roller bearing for the automobile provided by the utility model is provided with the protection groove, so that the contact area between the protection ring and the inner ring can be reduced, the friction of the protection ring to the inner ring is reduced, and the service life of the inner ring is prolonged.

Further, the inner diameter of both guard rings is 8 mm to 10 mm greater than the inner diameter of the inner ring.

Compared with the prior art, the utility model has the following effects: the inner diameters of the two protection rings are 8 mm to 10 mm larger than the inner diameter of the inner ring, so that the gap between the outer ring and the inner ring can be well protected when the material cost of the protection rings is reduced.

Further, the widths of the two protection grooves are both larger than the distance between the outer ring and the inner ring.

Compared with the prior art, the utility model has the following effects: the widths of the two protection grooves are larger than the distance between the outer ring and the inner ring, so that the area of the protection ring in direct contact with the outer ring and the inner ring can be reduced, and the friction loss of the inner ring is reduced.

Further, set up lubrication groove, be echelonment and left little big inlet port and a plurality of lubrication hole on the outer lane, lubrication groove UNICOM inlet port and a plurality of lubrication hole, a plurality of lubrication hole all UNICOM outer standing groove.

Compared with the prior art, the utility model has the following effects: the lubrication groove can store the lubricating oil for lubricating a plurality of tapered roller bearings, the oil inlet can be convenient for the staff to pour the lubricating oil into the lubrication groove, and a plurality of lubrication holes can be convenient for the lubricating oil in the lubrication groove to get into the outer standing groove and lubricate a plurality of tapered rollers, have increased the life of a plurality of tapered rollers.

Further, the sealing mechanism comprises a sealing bolt and a sealing block which is in a cylindrical shape, the right end of the oil inlet is provided with threads and matched with the sealing bolt, the sealing bolt is in threaded connection with the right end of the oil inlet, the sealing block is fixedly connected with the sealing bolt, and the sealing block is abutted against and seals the left end of the oil inlet.

Compared with the prior art, the utility model has the following effects: the sealing bolt can be convenient for keep the position of sealing block, has improved the stability of sealing block position, can also be convenient for the staff remove the sealing block, has improved the convenience that the staff pours into lubrication groove into lubricating oil, and the sealing block can avoid lubricating oil to leak from the inlet port.

Further, still include a plurality of splint, a plurality of splint are all fixed on the protection frame medial surface, and a plurality of tapered rollers all butt two splint sides.

Compared with the prior art, the utility model has the following effects: the tapered rollers on the protection frame can be limited by the clamping plates, so that the relative stability of the tapered rollers on the retainer is improved.

Further, the protective ring further comprises two handles which are respectively fixed on the outer side surfaces of the two protective rings.

Compared with the prior art, the utility model has the following effects: two handles are fixed respectively on two protection ring lateral surfaces, can be convenient for the staff remove the protection ring after separation fixed pipe and four arc, have improved the convenience and the efficiency that the protection ring was changed.

Further, the two handles are made of stainless steel.

Compared with the prior art, the utility model has the following effects: the two handles are made of stainless steel, so that corrosion of moisture in air to the handles can be reduced, the service lives of the two handles are prolonged, and the maintenance cost of the two handles is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a tapered roller bearing for an automobile in the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a side cross-sectional view of FIG. 1;

fig. 4 is a schematic view of the closure mechanism of fig. 1.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the device comprises an outer ring 1, a protection bolt 2, an arc-shaped plate 3, a fixed pipe 4, a closing bolt 5, a handle 6, a connecting ring 7, a protection ring 8, an inner ring 9, a protection frame 10, tapered rollers 11, clamping plates 12, lubrication grooves 13, lubrication holes 14, outer placing grooves 15, inner placing grooves 16, sealing blocks 17 and oil inlet holes 18.

Embodiment one:

the specific implementation process of the utility model comprises the following steps: the utility model provides a tapered roller 11 bearing for car, as shown in fig. 1, fig. 2 and fig. 3, including outer lane 1, inner circle 9, the holder, a plurality of tapered rollers 11 and two protection mechanism, protection mechanism includes go-between 7, protection ring 8, fixed pipe 4, four arc 3 and four protection bolts 2, outer standing groove 15 and the interior standing groove 16 that is annular shape have been seted up respectively on the outer lane 1 medial surface and inner circle 9 lateral surface, a plurality of tapered rollers 11 all roll in outer standing groove 15 and interior standing groove 16, a plurality of protection openings have been seted up on the fender bracket 10, a plurality of tapered rollers 11 roll respectively in a plurality of protection openings, eight arc 3 are fixed respectively on outer lane 1 two opposite sides, two equal fixed connection protection rings 8 of go-between 7 and fixed pipe 4, all set up first screw hole on two fixed pipes 4, all set up the second screw hole on eight arc 3, first screw hole and second screw hole all cooperate with protection bolt 2, two fixed pipe 4 all are the annular side face 3 through four protection bolts 2, two arc 8 and protection ring 3 all set up the equal side face of being annular protection ring shape.

When the gap between the outer ring 1 and the inner ring 9 is to be protected, a worker firstly places the fixing tube 4 between the four arc plates 3 on one side of the outer ring 1, the fixing tube 4 can move together with the protection ring 8 and the connecting ring 7 until the protection ring 8 is abutted against the side surfaces of the outer ring 1 and the inner ring 9, the protection ring 8 seals the gap between the outer ring 1 and the inner ring 9, then the fixing tube 4 is rotated, the four first threaded holes on the fixing tube 4 are respectively aligned with the four second threaded holes on the four arc plates 3, the four protection bolts 2 are screwed into the first threaded holes and the second threaded holes, the fixing tube 4 is fixedly connected with the four arc plates 3, then the other fixing tube 4 is fixedly connected with the four arc plates 3 on the other side surface of the outer ring 1 according to the arrangement, the other protection ring 8 is also closed up to the gap between the outer ring 1 and the inner ring 9, and then the gap between the outer ring 1 and the inner ring 9 can be protected.

Embodiment two:

the difference from the first embodiment is that:

as shown in fig. 1 and 2, the inner diameters of the two protection rings 8 are each 8 mm to 10 mm larger than the inner diameter of the inner ring 9.

The inner diameters of the two protection rings 8 are 8 mm to 10 mm larger than the inner diameter of the inner ring 9, so that the gap between the outer ring 1 and the inner ring 9 can be well protected when the material cost of the protection rings 8 is reduced, and the two protection rings 8 can be made of stainless steel.

Embodiment III:

the difference from the first embodiment is that:

as shown in fig. 3, the tapered roller 11 bearing for an automobile has two protection grooves each having a width larger than the distance between the outer ring 1 and the inner ring 9.

The widths of the two protection grooves are larger than the distance between the outer ring 1 and the inner ring 9, so that the direct contact area of the protection ring 8 and the outer ring 1 and the inner ring 9 can be reduced, the friction loss of the inner ring 9 is reduced, and the weight of the protection ring 8 can be reduced by the two protection grooves.

Embodiment four:

the difference from the first embodiment is that:

as shown in fig. 3 and 4, the outer ring 1 is provided with a lubrication groove 13, an oil inlet 18 which is stepped and is small on the left and large on the right, and a plurality of lubrication holes 14, wherein the lubrication groove 13 is communicated with the oil inlet 18 and the plurality of lubrication holes 14, and the plurality of lubrication holes 14 are communicated with an outer placing groove 15.

The oil inlet 18 can be convenient for the staff to pour into lubrication groove 13 into lubricating oil, and a plurality of lubrication holes 14 can be convenient for the lubrication groove 13 in the lubricating oil get into outer standing groove 15 and lubricate a plurality of tapered rollers 11, and lubrication groove 13 can be arc-shaped, and is located outer lane 1 upper end, and the automatic tapered roller 11 that gets into in outer standing groove 15 of lubricating oil in the lubrication groove 13 of being convenient for under the effect of gravity lubricate tapered roller 11, and these lubricating oils can also get into in the standing groove 16 along with tapered roller 11's roll, forms the lubrication to tapered roller 11 and interior standing groove 16, has increased the life of inner circle 9.

Fifth embodiment:

the difference from the fourth embodiment is that:

the tapered roller 11 bearing for the automobile, as shown in fig. 4, further comprises a sealing mechanism, wherein the sealing mechanism comprises a sealing bolt 5 and a cylindrical sealing block 17, the right end of an oil inlet 18 is provided with threads and matched with the sealing bolt 5, the sealing bolt 5 is in threaded connection with the right end of the oil inlet 18, and the sealing block 17 is fixedly connected with the sealing bolt 5 and is abutted against and seals the left end of the oil inlet 18.

When lubricating oil is to be added into the lubricating groove 13, a worker firstly rotates anticlockwise from the right end of the oil inlet hole 18 to unscrew the sealing bolt 5, the sealing bolt 5 is far away from the right end of the oil inlet hole 18 together with the sealing block 17, then the worker can add the lubricating oil into the lubricating groove 13 from the oil inlet hole 18, then the lubricating oil passes through a plurality of lubricating holes 14 from the lubricating groove 13 and enters the outer placing groove 15, then the lubricating oil enters the inner placing groove 16 along with the rolling of the tapered roller 11 to lubricate the tapered roller 11, after the lubricating oil is added, the worker places the sealing block 17 into the right end of the oil inlet hole 18 and screws the sealing bolt 5 clockwise, the sealing bolt 5 is in threaded connection with the right end of the oil inlet hole 18, the sealing block 17 is abutted against and seals the left end of the oil inlet hole 18, and the sealing block 17 can be made of NBR nitrile rubber.

Example six:

the difference from the first embodiment is that:

as shown in fig. 3 and 4, the tapered roller 11 bearing for the automobile further comprises a plurality of clamping plates 12, wherein the clamping plates 12 are fixed on the inner side surface of the protection frame 10, and the tapered rollers 11 are abutted against the side surfaces of the two clamping plates 12.

The tapered rollers 11 on the protection frame 10 can be limited by the clamping plates 12, so that the relative stability of the tapered rollers 11 on the retainer is improved, and the clamping plates 12 can be made of stainless steel.

Embodiment seven:

the difference from the first embodiment is that:

as shown in fig. 1 and 2, the tapered roller 11 bearing for an automobile further comprises two handles 6, wherein the two handles 6 are respectively fixed on the outer side surfaces of the two protection rings 8.

The two handles 6 are respectively fixed on the outer side surfaces of the two protection rings 8, and when the protection rings 8 are moved, a worker can hook the handles 6 by using tools such as hooks and then pull the handles 6 away from the outer ring 1, and the handles 6 can bring the protection rings 8 together away from the outer ring 1.

The two handles 6 are made of stainless steel.

The two handles 6 are made of stainless steel, so that corrosion of moisture in the air to the handles 6 can be reduced, the service lives of the two handles 6 are prolonged, and the two handles 6 and the protection ring 8 can be fixedly connected by welding.

When the tapered roller bearing for the automobile works, a worker firstly places the fixing tube 4 between the four arc plates 3 on one side of the outer ring 1, the fixing tube 4 moves together with the protection ring 8 and the connecting ring 7 until the protection ring 8 abuts against the side surfaces of the outer ring 1 and the inner ring 9, the protection ring 8 seals the gap between the outer ring 1 and the inner ring 9, then the fixing tube 4 is rotated, the four first threaded holes on the fixing tube 4 are respectively aligned with the four second threaded holes on the four arc plates 3, the four protection bolts 2 are screwed into the first threaded holes and the second threaded holes, the fixing tube 4 is fixedly connected with the four arc plates 3, then the other fixing tube 4 is fixedly connected with the four arc plates 3 on the other side surface of the outer ring 1 according to the arrangement, the other protection ring 8 also seals the gap between the outer ring 1 and the inner ring 9, and then the protection of the gap between the outer ring 1 and the inner ring 9 can be finished.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims (8)

1. A tapered roller bearing for an automobile is characterized in that: including outer lane, the inner circle, the holder, a plurality of tapered roller and two protection machanism, protection machanism includes the go-between, the protection ring, the fixed pipe, four arc and four protection bolts, outer standing groove and the interior standing groove that is annular form have been seted up respectively on the outer lane medial surface and the inner circle lateral surface, a plurality of tapered roller all roll in outer standing groove and interior standing groove, a plurality of protection mouths have been seted up on the fender bracket, a plurality of tapered roller roll respectively in a plurality of protection mouths, eight arc are fixed respectively on outer lane both opposite sides face, equal fixed connection protection ring of two go-between and fixed pipe, first screw hole has all been seted up on two fixed pipes, second screw hole has all been seted up on eight arc, first screw hole and second screw hole all cooperate with the protection bolt, two fixed pipes all are fixed through four protection bolt threaded connection with four arc, two protection rings all butt outer lane sides and inner circle side, and all set up the protection groove that is annular form.

2. The tapered roller bearing for an automobile according to claim 1, wherein: the inner diameter of both guard rings is 8 mm to 10 mm greater than the inner diameter of the inner ring.

3. The tapered roller bearing for an automobile according to claim 1, wherein: the width of the two protection grooves is larger than the distance between the outer ring and the inner ring.

4. The tapered roller bearing for an automobile according to claim 1, wherein: the outer ring is provided with a lubrication groove, an oil inlet hole which is stepped and is small left and large right and a plurality of lubrication holes, the lubrication groove is communicated with the oil inlet hole and the plurality of lubrication holes, and the plurality of lubrication holes are communicated with the outer placing groove.

5. The tapered roller bearing for an automobile according to claim 4, wherein: the sealing mechanism comprises a sealing bolt and a sealing block which is cylindrical, the right end of the oil inlet is provided with threads and matched with the sealing bolt, the sealing bolt is in threaded connection with the right end of the oil inlet, the sealing block is fixedly connected with the sealing bolt, and the sealing block is abutted against and seals the left end of the oil inlet.

6. The tapered roller bearing for an automobile according to claim 1, wherein: the device also comprises a plurality of clamping plates, wherein the clamping plates are fixed on the inner side surface of the protection frame, and the tapered rollers are abutted against the side surfaces of the two clamping plates.

7. The tapered roller bearing for an automobile according to claim 1, wherein: the protective ring also comprises two handles which are respectively fixed on the outer side surfaces of the two protective rings.

8. The tapered roller bearing for an automobile according to claim 7, wherein: the two handles are made of stainless steel.

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