CN210240302U - Double-row cylindrical roller bearing - Google Patents

Abstract

The utility model discloses a double-row cylindrical roller bearing, which comprises a bearing outer wall, cylindrical balls and a bearing inner wall, wherein a dustproof side ring is fixedly arranged on one side of the bearing outer wall, outer wall fixing holes are fixedly arranged on the two sides of the front surface, the two sides of the back surface, the two sides of the top end and the two sides of the bottom end of the bearing outer wall, a plurality of cylindrical balls are fixedly arranged on the inner wall of the bearing outer wall and the outer wall of the bearing inner wall, and the plurality of cylindrical balls are correspondingly arranged into two rows, and the middle parts of the plurality of cylindrical balls are rotatably connected with the two sides of a ball supporting and fixing ring through ball rotating shafts, and the dust in the surrounding environment is prevented from entering the bearing to cause abrasion to the roller shaft.

Description

Double-row cylindrical roller bearing

Technical Field

The utility model relates to a bearing, in particular to double-row cylindrical roller bearing belongs to bearing technical field.

Background

The internal structure of the double-row cylindrical roller bearing adopts two rows of rollers which are arranged in parallel, and an interval retainer or an isolation block is arranged between the rollers, so that the rollers can be prevented from inclining or rubbing against each other, and the rotating torque is effectively prevented; the double-row cylindrical roller bearing has higher bearing capacity, and the novel structural design of the flange and the roller end surface not only improves the axial bearing capacity of the bearing, but also improves the lubricating condition of the contact area of the roller end surface and the flange and improves the usability of the bearing; the double-row cylindrical roller bearing used at present is generally inconvenient to be fixedly installed on the outer wall and the inner wall of the double-row cylindrical roller bearing respectively, the process time for installing the outer wall and the inner wall of the double-row cylindrical roller bearing respectively is long, and the installation is unstable and potential safety hazards are easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-row cylindrical roller bearing to the double-row cylindrical roller bearing who provides in solving above-mentioned background art at present used is generally inconvenient carries out fixed mounting respectively to its outer wall and inner wall and uses, and the process time that leads to installing respectively bearing outer wall and inner wall is longer, and installs the unstable problem that causes the increase of potential safety hazard easily.

In order to achieve the above object, the utility model provides a following technical scheme: a double-row cylindrical roller bearing comprises a bearing outer wall, cylindrical balls and a bearing inner wall, wherein a dustproof side ring is fixedly arranged on one side of the bearing outer wall, outer wall fixing holes are fixedly formed in the two sides of the front surface, the two sides of the back surface, the two sides of the top end and the two sides of the bottom end of the outer wall of the bearing, a plurality of cylindrical balls are fixedly arranged on the inner wall of the outer wall of the bearing and the outer wall of the inner wall of the bearing, and a plurality of the cylindrical balls are correspondingly arranged into two rows, the middle parts of the plurality of the cylindrical balls are rotatably connected with the two sides of the ball support fixing ring through ball rotating shafts, ball gaskets are fixedly arranged at the two ends of the plurality of the cylindrical balls, the fixed solid fixed ring curb plate of a plurality of, a plurality of is all fixed to the both sides that the ball supported solid fixed ring, the fixed solid fixed ring curb plate of a plurality of ball pivot alternate arrangement, the fixed inner wall spacing groove that is equipped with in middle part of bearing inner wall.

As an optimized technical scheme of the utility model, outer wall fixed orifices top aperture is greater than the aperture of bottom.

As a preferred technical scheme of the utility model, the both sides of the positive both sides of bearing inner wall, the both sides at the back, top and the both sides of bottom are all fixed and are equipped with the inner wall fixed orifices, inner wall fixed orifices top aperture is greater than the aperture of bottom, the aperture on inner wall fixed orifices top is not more than the aperture of outer wall fixed orifices bottom, just the position of inner wall fixed orifices is corresponding with the position of outer wall fixed orifices.

As a preferred technical scheme of the utility model, a plurality of the middle part of solid fixed ring curb plate is all fixed and is equipped with the curb plate fixed orifices, the aperture size of curb plate fixed orifices is the same with the aperture size of outer wall fixed orifices bottom, just the position of curb plate fixed orifices is corresponding with the position of inner wall fixed orifices and the position of outer wall fixed orifices respectively.

As a preferred technical scheme of the utility model, the fixed go-between that is equipped with in outside side of dustproof side ring, one side on bearing outer wall top is fixed and is equipped with the connection annular.

As an optimal technical scheme of the utility model, the fixed outer wall spacing groove that is equipped with in middle part of bearing outer wall, the fixed oil filler point that is equipped with in top of outer wall spacing groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a double-row cylindrical roller bearing, through ball pivot and ball gasket that ball support solid fixed ring fixed being equipped with, carry on spacing to cylindrical ball when making things convenient for cylindrical ball to rotate, prevent that the rotation direction of cylindrical ball is inconsistent and cause the bearing to rotate unstably; the dust-proof side ring is fixedly arranged on one side of the outer wall of the bearing, so that dust in the surrounding environment is prevented from entering the bearing to cause abrasion to the roller shaft; the side plates of the fixing rings and the ball rotating shafts are alternately arranged, so that the design is simple and reasonable, and the stability of the bearing is improved; the fixed solid fixed ring curb plate that is equipped with in both sides through the ball support solid fixed ring and the fixed outer wall fixed orifices that is equipped with of bearing outer wall make things convenient for the bearing outer wall to support solid fixed ring to the ball and fix, through the fixed outer wall spacing groove of establishing in the fixed wall spacing groove that is equipped with in bearing inner wall middle part and the fixed outer wall spacing groove of establishing in bearing outer wall middle part, conveniently assist fixedly to bearing inner wall and bearing outer wall, be convenient for through the oil filler point that sets up add lubricating oil to the bearing, improve life.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic view of the side plate structure of the fixing ring of the present invention;

fig. 4 is a schematic view of a partial structure of the present invention;

fig. 5 is a schematic view of the structure of the connecting ring groove of the present invention.

In the figure: 1. an outer wall of the bearing; 2. a cylindrical ball; 3. the inner wall of the bearing; 4. a dust-proof side ring; 5. inner wall fixing holes; 6. a ball rotation shaft; 7. an outer wall fixing hole; 8. the ball supports the fixed ring; 9. a ball pad; 10. fixing the ring side plate; 11. side plate fixing holes; 12. a connecting ring; 13. a connecting ring groove; 14. an oil filler hole; 15. an outer wall limiting groove; 16. the inner wall limiting groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a double-row cylindrical roller bearing, which comprises a bearing outer wall 1, cylindrical balls 2 and a bearing inner wall 3, wherein a dustproof side ring 4 is fixedly installed on one side of the bearing outer wall 1, outer wall fixing holes 7 are fixedly installed on both sides of the front surface, both sides of the back surface, both sides of the top end and both sides of the bottom end of the bearing outer wall 1, a plurality of cylindrical balls 2 are fixedly installed on the inner wall of the bearing outer wall 1 and the outer wall of the bearing inner wall 3, and a plurality of cylindrical balls 2 are correspondingly arranged in two rows, the middle parts of the plurality of cylindrical balls 2 are rotatably connected with both sides of a ball supporting and fixing ring 8 through ball rotating shafts 6, ball gaskets 9 are fixedly installed on both ends of the plurality of cylindrical balls 2, a plurality of fixing ring side plates 10 are fixedly installed on both sides of the ball supporting and fixing ring 8, and a plurality, an inner wall limiting groove 16 is fixedly arranged in the middle of the inner wall of the bearing inner wall 3.

Preferably, the top aperture of the outer wall fixing hole 7 is larger than that of the bottom end, so that the bolt can be conveniently fixed to the top end.

Preferably, the both sides on the positive both sides, the both sides at the back, the both sides on top and the both sides of bottom of bearing inner wall 3 are all fixed and are equipped with inner wall fixed orifices 5, and 5 top apertures of inner wall fixed orifices are greater than the aperture of bottom, and the aperture on 5 tops of inner wall fixed orifices is not more than the aperture of 7 bottoms of outer wall fixed orifices, and the position of inner wall fixed orifices 5 is corresponding with the position of 7 of outer wall fixed orifices, makes things convenient for 3 bolts of fixed bearing inner wall to pass 7 of outer wall fixed orifices.

Preferably, the middle part of the fixed ring curb plate 10 of a plurality of is all fixed and is equipped with curb plate fixed orifices 11, and the aperture size of curb plate fixed orifices 11 is the same with the aperture size of 7 bottoms of outer wall fixed orifices, and the position of curb plate fixed orifices 11 is corresponding with the position of inner wall fixed orifices 5 and the position of outer wall fixed orifices 7 respectively, makes things convenient for 3 bolts on the stationary bearing inner wall to pass curb plate fixed orifices 11 and fix fixed ring curb plate 10 through the bolt.

Preferably, the outer side of the dustproof side ring 4 is fixedly provided with a connecting ring 12, and one side of the top end of the bearing outer wall 1 is fixedly provided with a connecting ring groove 13, so that the dustproof side ring can be conveniently clamped and connected with the connecting ring groove 13.

Preferably, the middle part of the outer wall 1 of the bearing is fixedly provided with an outer wall limiting groove 15, and the top of the outer wall limiting groove 15 is fixedly provided with an oil filling hole 14, so that lubricating oil can be conveniently added into the bearing.

When the double-row cylindrical roller bearing is used specifically, the rotating shaft provided with the fixing hole is aligned with the inner wall fixing hole 5 of the bearing inner wall 3, and then a small-sized fixing screw passes through the outer wall fixing hole 7 and the side plate fixing hole 11 to fix the bearing inner wall 3 and the rotating shaft; the bearing frame that will be equipped with the fixed orifices equally aligns with bearing outer wall 1's outer wall fixed orifices 7, then fix bearing outer wall 1 through large-scale fixed screw, when needs are fixed solid fixed ring curb plate 10, can change longer large-scale fixed screw and fix solid fixed ring curb plate 10, conveniently fix bearing outer wall 1 and bearing inner wall 3 of bearing respectively through inner wall fixed orifices 5 and outer wall fixed orifices 7, when cylindrical ball 2 rotates, through fixed ball pivot 6 and the ball gasket 9 that is equipped with of the solid fixed ring 8 of ball support, can keep cylindrical ball 2 to rotate the direction unanimously, the stability and the security of bearing have been improved.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A double-row cylindrical roller bearing comprises a bearing outer wall (1), cylindrical balls (2) and a bearing inner wall (3), and is characterized in that a dustproof side ring (4) is fixedly arranged on one side of the bearing outer wall (1), outer wall fixing holes (7) are fixedly formed in two sides of the front side, the back side, the top side and the bottom side of the bearing outer wall (1), a plurality of cylindrical balls (2) are fixedly arranged on the inner wall of the bearing outer wall (1) and the outer wall of the bearing inner wall (3), the cylindrical balls (2) are correspondingly arranged into two rows, the middle parts of the cylindrical balls (2) are rotatably connected with two sides of a ball supporting and fixing ring (8) through ball rotating shafts (6), ball gaskets (9) are fixedly arranged at two ends of the cylindrical balls (2), a plurality of fixing ring side plates (10) are fixedly arranged on two sides of the ball supporting and fixing ring (8), a plurality of fixed ring curb plate (10) and a plurality of ball pivot (6) alternate arrangement, the middle part of bearing inner wall (3) inner wall is fixed and is equipped with inner wall spacing groove (16).

2. The double-row cylindrical roller bearing according to claim 1, characterized in that: the top aperture of the outer wall fixing hole (7) is larger than the bottom aperture.

3. The double-row cylindrical roller bearing according to claim 1, characterized in that: bearing inner wall (3) positive both sides, the both sides at the back, the both sides on top and the both sides of bottom all fix and are equipped with inner wall fixed orifices (5), inner wall fixed orifices (5) top aperture is greater than the aperture of bottom, the aperture on inner wall fixed orifices (5) top is not more than the aperture of outer wall fixed orifices (7) bottom, just the position of inner wall fixed orifices (5) is corresponding with the position of outer wall fixed orifices (7).

4. The double-row cylindrical roller bearing according to claim 1, characterized in that: a plurality of the middle part of solid fixed ring curb plate (10) is all fixed and is equipped with curb plate fixed orifices (11), the aperture size of curb plate fixed orifices (11) is the same with the aperture size of outer wall fixed orifices (7) bottom, just the position of curb plate fixed orifices (11) is corresponding with the position of inner wall fixed orifices (5) and the position of outer wall fixed orifices (7) respectively.

5. The double-row cylindrical roller bearing according to claim 1, characterized in that: the outer side of dustproof side ring (4) is fixedly provided with a connecting ring (12), and one side of the top end of bearing outer wall (1) is fixedly provided with a connecting ring groove (13).

6. The double-row cylindrical roller bearing according to claim 1, characterized in that: the bearing is characterized in that an outer wall limiting groove (15) is fixedly arranged in the middle of the outer wall (1) of the bearing, and an oil filling hole (14) is fixedly arranged at the top of the outer wall limiting groove (15).

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