CN218454903U

CN218454903U - Cylindrical roller combined bearing

Info

Publication number: CN218454903U
Application number: CN202222902201.3U
Authority: CN
Inventors: 夏燕; 张飞; 晋月; 陶月萍; 李智; 钟婷; 张善丽; 王园; 李欢欢
Original assignee: Anhui Sanyou Transmission Technology Co ltd
Current assignee: Anhui Sanyou Transmission Technology Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-02-07
Anticipated expiration: 2032-11-01

Abstract

The utility model relates to a roller bearing technical field just discloses a cylindrical roller combination bearing, including bearing outer ring and bearing inner ring, the bearing inner ring is located the inside of bearing outer ring, and the equal movable mounting in both sides has the sealing ring about the inside of bearing outer ring and bearing inner ring, is provided with the holder between bearing outer ring and the bearing inner ring, and the inside movable mounting of holder has the roller, is provided with oiling mechanism between bearing outer ring and the sealing ring, and oiling mechanism is including oil box, notes oil pipe, activity groove, driving block, opening and notes oil tank. The utility model discloses in, the inside lubricating oil of oil box will move the inside of oiling groove through oiling pipe and opening, and when the roller moved the position of oiling groove, lubricating oil will arrive the surface of roller to lubricate the roller, make frictional force diminish between roller and bearing outer loop and the bearing inner ring, improved the use lubrication degree and the life of device.

Description

Cylindrical roller combined bearing

Technical Field

The utility model relates to a roller bearing technical field especially relates to a cylindrical roller combination bearing.

Background

Roller bearings, one of the rolling bearings, are one of the components widely used in modern machinery, which rely on rolling contact between the main elements to support the rotating parts.

Patent No. CN202020176152.8 discloses a cylindrical roller combination bearing, including the bearing main part, the rust cleaning mechanism is strengthened to the outer wall fixedly connected with automatically cleaning type of bearing main part, one side of bearing main part is provided with lubricating oil and adds puts a circle mechanism, the inner wall fixedly connected with solid fixed ring of bearing main part, gu fixed ring's inboard is provided with rotation axis and activity groove, the rotation axis is located the inside in activity groove, the outer wall of rotation axis is provided with cylindrical roller, cylindrical roller's inner wall is provided with fixed inner circle.

After the roller bearing is used for a long time, the roller and the inner and outer rings are easily abraded due to friction between the roller and the inner and outer rings, lubricating oil needs to be filled, the existing technology generally adopts manual filling, manual filling is troublesome, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, consequently, the I provides a cylindrical roller combination bearing.

In order to achieve the purpose, the utility model adopts the following technical scheme that the cylindrical roller combination bearing comprises a bearing outer ring and a bearing inner ring, wherein the bearing inner ring is positioned inside the bearing outer ring, the upper side and the lower side of the insides of the bearing outer ring and the bearing inner ring are respectively movably provided with a sealing ring, a retainer is arranged between the bearing outer ring and the bearing inner ring, a roller is movably arranged inside the retainer, and an oiling mechanism is arranged between the bearing outer ring and the sealing ring; oiling mechanism is including: the oil box is fixedly arranged on the top wall surface of the upper sealing ring; the oil filling pipe is embedded in the bottom wall surface of the oil box and communicated with the inside of the oil box; the movable groove is formed in the position, corresponding to the oil injection pipe, inside the bearing outer ring; the transmission block is movably arranged in the movable groove; the opening is formed in the transmission block; and the oil filling groove is formed in the inner side wall of the outer ring of the bearing.

Preferably, the oiling pipe is located the inside of bearing outer ring downwards, and the transmission piece is pentagonal's piece, and one side wall face that the transmission piece is close to the bearing inner ring is two inclined planes, and the inside intercommunication of oiling groove and oiling pipe, and the inside fixed mounting in activity groove has reset spring, fixed connection between reset spring and the transmission piece.

Preferably, the side walls of the rollers are attached to the inner and outer side walls of the bearing and the side walls of the outer ring of the bearing.

Preferably, the inner side wall of the bearing inner ring is provided with a mounting groove, the mounting groove penetrates through the bearing outer ring, the bearing inner ring and the inner side wall and the outer side wall of the sealing ring, and the inside of the mounting groove is movably provided with a connecting rod.

Preferably, the size of the connecting rod is matched with the size of the inside of the mounting groove, a transmission ring is embedded and mounted on the inner side wall of the bearing inner ring at a position corresponding to the mounting groove, and the connecting rod is movably mounted inside the transmission ring through threads.

Preferably, two force application grooves are symmetrically formed in one side wall surface of the transmission ring, which is close to the bearing inner ring.

Advantageous effects

The utility model provides a cylindrical roller combination bearing. The method has the following beneficial effects:

(1) This cylindrical roller combination bearing, when the bearing inner ring is rotatory along with external axis body, the roller will be rotatory in the inside of bearing outer ring and bearing inner ring, be provided with oiling mechanism simultaneously on bearing outer ring and sealing ring, when the roller is rotatory to the position of drive block, the drive block will be extruded by the roller, the drive block will be to the inside removal in activity groove, make the opening of seting up on the drive block corresponding with the position of oiling pipe simultaneously, the inside lubricating oil of oil box will be through oiling pipe and opening removal to the inside in oiling groove this moment, when the roller removes the position in oiling groove, lubricating oil will arrive the surface of roller, thereby lubricate the roller, make frictional force between roller and bearing outer ring and the bearing inner ring diminish, the use degree of lubrication and the life of device have been improved.

(2) This cylindrical roller combination bearing, through swing joint between the connecting rod between bearing outer loop, bearing inner ring and the sealing ring, and threaded connection between connecting rod and the transmission ring, through the rotatable transmission ring of application of force groove, the rotation of transmission ring will make the connecting rod shift out from the inside of mounting groove, and then makes and separates between bearing outer loop, bearing inner ring and the sealing ring to the effect of convenient to detach and installation has been reached.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the internal structure of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 2 according to the present invention.

Illustration of the drawings:

1. a bearing outer ring; 2. a bearing inner ring; 3. a seal ring; 4. a holder; 5. a roller; 6. an oil box; 7. an oil filling pipe; 8. a movable groove; 9. a transmission block; 10. an opening; 11. an oil injection groove; 12. a return spring; 13. mounting grooves; 14. a connecting rod; 15. a drive ring; 16. a force application 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 efforts all belong to the protection scope of the present invention.

The first embodiment is as follows: a cylindrical roller combination bearing is disclosed, as shown in figures 1 to 3, and comprises a bearing outer ring 1 and a bearing inner ring 2, wherein the bearing outer ring 1 and the bearing inner ring 2 are both in a circular structure, the bearing inner ring 2 is positioned in the bearing outer ring 1, the upper side and the lower side of the inner parts of the bearing outer ring 1 and the bearing inner ring 2 are both movably provided with a sealing ring 3, the sealing ring 3 is in a circular structure, a retainer 4 is arranged between the bearing outer ring 1 and the bearing inner ring 2, the retainer 4 is in a circular structure, a plurality of rollers 5 are movably arranged in the retainer 4 in an annular uniform distribution manner, the rollers 5 are in a cylindrical structure, the side walls of the rollers 5 are attached to the side walls of the bearing inner ring 2, the outer side wall and the bearing outer ring 1, and an oil injection mechanism is arranged between the bearing outer ring 1 and the sealing ring 3, the oiling mechanism comprises an oil box 6, an oiling pipe 7, a movable groove 8, a transmission block 9, an opening 10 and an oiling groove 11, wherein the oil box 6 is of a hollow structure, the oil box 6 is fixedly arranged on the top wall surface of the sealing ring 3 positioned above the oil box 6, the oiling pipe 7 is a cylindrical pipe, the oiling pipe 7 is embedded and arranged on the bottom wall surface of the oil box 6 and is communicated with the inside of the oil box 6, the oiling pipe 7 is downwards positioned inside the bearing outer ring 1, the movable groove 8 is arranged inside the bearing outer ring 1 and corresponds to the oiling pipe 7, the transmission block 9 is a pentagonal block, one side wall surface of the transmission block 9 close to the bearing inner ring 2 is provided with two inclined surfaces, the transmission block 9 is movably arranged inside the movable groove 8, the opening 10 is a circular groove, the opening 10 is arranged on the transmission block 9, the oiling groove 11 is arranged on the inner side wall surface of the bearing outer ring 1, and the oil filling groove 11 is communicated with the inside of the oil filling pipe 7, the inside of the movable groove 8 is fixedly provided with a return spring 12, and the return spring 12 is fixedly connected with the transmission block 9.

Example two: on the basis of embodiment one, as shown in fig. 4, mounting groove 13 has been seted up on the inside wall of bearing inner ring 2, mounting groove 13 is the groove of cylindrical structure, mounting groove 13 has run through bearing outer ring 1, the inside and outside lateral wall of bearing inner ring 2 and sealing ring 3, the inside movable mounting of mounting groove 13 has connecting rod 14, the inside size looks adaptation of connecting rod 14 and mounting groove 13, inlay the position that corresponds mounting groove 13 on the inside wall of bearing inner ring 2 and install drive ring 15, drive ring 15 is the annular structure, connecting rod 14 passes through screw thread movable mounting in the inside of drive ring 15, two application of force grooves 16 have been seted up to the symmetry on the lateral wall face that drive ring 15 is close to bearing inner ring 2, application of force groove 16 is the groove of semicircle annular structure.

The utility model discloses a theory of operation:

when the lubricating device is used, when the bearing inner ring 2 rotates along with an external shaft body, the roller 5 rotates inside the bearing outer ring 1 and the bearing inner ring 2, meanwhile, the oiling mechanisms are arranged on the bearing outer ring 1 and the sealing ring 3, when the roller 5 rotates to the position of the transmission block 9, the transmission block 9 is extruded by the roller 5, the transmission block 9 moves towards the inside of the movable groove 8, meanwhile, the opening 10 formed in the transmission block 9 corresponds to the position of the oiling pipe 7, at the moment, lubricating oil inside the oil box 6 can move to the inside of the oiling groove 11 through the oiling pipe 7 and the opening 10, when the roller 5 moves to the position of the oiling groove 11, the lubricating oil can reach the surface of the roller 5, so that the roller 5 is lubricated, the friction force between the roller 5 and the bearing outer ring 1 and the bearing inner ring 2 is reduced, the service lubrication degree of the device is improved, and the service life of the device is prolonged.

Swing joint between bearing outer loop 1, bearing inner ring 2 and the sealing ring 3 through connecting rod 14, and threaded connection between connecting rod 14 and the transmission ring 15, through the rotatable transmission ring 15 of application of force groove 16, the rotation of transmission ring 15 will make connecting rod 14 shift out from the inside of mounting groove 13, and then makes and separates between bearing outer loop 1, bearing inner ring 2 and the sealing ring 3 to the effect of convenient to detach and installation has been reached.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cylindrical roller combination bearing, includes bearing outer ring (1) and bearing inner ring (2), and bearing inner ring (2) are located the inside of bearing outer ring (1), its characterized in that:

sealing rings (3) are movably mounted on the upper and lower sides of the interior of the bearing outer ring (1) and the interior of the bearing inner ring (2), a retainer (4) is arranged between the bearing outer ring (1) and the bearing inner ring (2), rollers (5) are movably mounted in the retainer (4), and an oil injection mechanism is arranged between the bearing outer ring (1) and the sealing rings (3);

oiling mechanism including:

the oil box (6), the oil box (6) is fixedly mounted on the top wall surface of the upper sealing ring (3);

the oil filling pipe (7) is embedded in the bottom wall surface of the oil box (6) and communicated with the inside of the oil box (6);

the movable groove (8), the movable groove (8) is arranged in the position, corresponding to the oil injection pipe (7), of the inner part of the bearing outer ring (1);

the transmission block (9), the transmission block (9) is movably installed in the movable groove (8);

the opening (10), the opening (10) is set up on the driving block (9);

the oil filling groove (11) is formed in the inner side wall of the bearing outer ring (1).

2. The cylindrical roller combination bearing according to claim 1, wherein: the oiling pipe (7) is located the inside of bearing outer ring (1) downwards, and transmission piece (9) are pentagonal's piece, and one side wall face that transmission piece (9) are close to bearing inner ring (2) is two inclined planes, and the inside intercommunication of oiling groove (11) and oiling pipe (7), and the inside fixed mounting in activity groove (8) has reset spring (12), fixed connection between reset spring (12) and transmission piece (9).

3. The cylindrical roller combination bearing according to claim 1, wherein: and the side wall of the roller (5) is attached to the inner bearing ring (2), the outer side wall and the side wall of the outer bearing ring (1).

4. The cylindrical roller combination bearing according to claim 1, wherein: the bearing is characterized in that a mounting groove (13) is formed in the inner side wall of the bearing inner ring (2), the mounting groove (13) penetrates through the inner side wall and the outer side wall of the bearing outer ring (1), the bearing inner ring (2) and the sealing ring (3), and a connecting rod (14) is movably mounted inside the mounting groove (13).

5. The cylindrical roller combination bearing according to claim 4, wherein: the inside size looks adaptation of size and mounting groove (13) of connecting rod (14), the position that corresponds mounting groove (13) on the inside wall of bearing inner ring (2) is inlayed and is installed transmission ring (15), and connecting rod (14) are through the inside of screw thread movable mounting in transmission ring (15).

6. The cylindrical roller combination bearing according to claim 5, wherein: two force application grooves (16) are symmetrically formed in the wall surface of one side, close to the bearing inner ring (2), of the transmission ring (15).