Self-lubricating structure of roller bearing

Abstract

The utility model provides a self-lubricating structure of a roller bearing, and relates to the technical field of bearings. A top cover is mounted at the upper end of the base, a supporting seat is mounted on the top cover through a screw, an oil storage barrel is fixed at the upper end of the supporting seat, a rotating rod is mounted in the oil storage barrel through a bearing, an eccentric wheel is fixed on the rotating rod, a U-shaped seat is mounted on the eccentric wheel, and a guide rod is fixed at the lower end of the U-shaped seat; lubricating oil is injected into the oil storage cylinder, the eccentric wheel rotates by rotating the rotating rod, the eccentric wheel rotates to drive the U-shaped base and the guide rod to move up and down, the guide rod presses downwards and presses down the sealing ball, at the moment, the upper end of the flow guide cylinder is communicated, and the lubricating oil enters the flow guide cylinder and flows into the through-flow hole; lubricating oil in the through-flow hole flows into the groove in the outer ring through the flow guide groove and then enters the oil storage groove through the oil inlet hole, oil injection lubrication of the rolling body is achieved, the bearing does not need to be disassembled in the lubricating process, and oil injection is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a self-lubricating structure of a roller bearing. Background Art

[0002] Bearing is an important component in modern mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. It generally includes an outer ring, an inner ring and a rolling element. Bearing lubrication mainly includes grease lubrication and oil lubrication. The utility model relates to a self-lubricating structure of a roller bearing.

[0003] The existing roller bearings need to be manually lubricated with oil to lubricate the rolling elements inside them when in use, and the bearings need to be disassembled, which makes oiling inconvenient and has a poor lubrication effect. Utility Model Content

[0004] The disclosed embodiment relates to a self-lubricating structure of a roller bearing to solve the problems that the rolling elements inside the existing roller bearings need to be manually lubricated during use, the bearings need to be disassembled, oil filling is inconvenient, and the lubrication effect is poor.

[0005] In a first aspect of the present disclosure, a self-lubricating structure of a roller bearing is provided, specifically comprising: a base;

[0006] A top cover is installed on the upper end of the base, a through hole is provided on the top cover, and a support seat is installed on the top cover by screws, an oil storage cylinder is fixed on the upper end of the support seat, a rotating rod is installed inside the oil storage cylinder through a bearing, an eccentric wheel is fixed on the rotating rod, and a knob is fixed on the rotating rod, a U-shaped seat is installed on the eccentric wheel, a guide rod is fixed at the lower end of the U-shaped seat, a guide cylinder is fixed on the support seat by a nut, the lower end of the guide cylinder is connected with the through hole on the top cover, a spring is installed inside the guide cylinder, a plugging head is installed on the upper end of the spring, a sealing ball is provided on the upper end of the plugging head, the upper end of the sealing ball contacts with the lower end of the guide rod, and a sealing cover is installed on the upper end of the oil storage cylinder.

[0007] In at least some embodiments,

[0008] Two groups of connecting bolts are installed on the base, and both groups of connecting bolts are installed with sealing pads. The top cover is installed on the upper end of the base through the connecting bolts, and the lower end of the top cover is provided with an engaging groove.

[0009] In at least some embodiments,

[0010] A bottom bearing is installed on the base, a top bearing is installed on the upper end of the bottom bearing, a boss is fixed on the upper end of the top bearing, a flow hole is arranged on the boss, and a guide groove is arranged on the lower end of the top bearing, the lower end of the flow hole is connected with the guide groove, the boss is embedded in the engaging groove on the top cover, and the upper end of the flow hole is connected with the through hole on the engaging groove.

[0011] In at least some embodiments,

[0012] Two groups of outer rings are installed between the top bearing and the bottom bearing, and a connecting tube is installed between the two groups of outer rings. The diameter of the connecting tube is the same as that of the outer ring, and the top of the outer side of the connecting tube fits tightly with the bottom of the top bearing.

[0013] In at least some embodiments,

[0014] The outer ring is provided with a groove, the groove is provided with an oil inlet hole, the inner side of the outer ring is provided with an oil storage groove, and a retaining frame is installed inside the outer ring, and a cylindrical roller is installed on the retaining frame.

[0015] In at least some embodiments,

[0016] A fixed plate is fixed on the retaining frame, a movable arm is installed on the fixed plate by bolts, a coating roller is installed on the movable arm, the coating roller is in contact with the cylindrical roller, and two groups of screw rods are fixed on the fixed plate, both groups of screw rods are installed with adjusting nuts, the adjusting nuts are covered with movable sleeves, bolts are installed on the movable sleeves and the movable arm, and the two groups of bolts are used to install tension springs.

[0017] In at least some embodiments,

[0018] An inner ring is installed inside the retaining frame, and a dust ring is arranged between the inner ring and the outer ring.

[0019] The utility model provides a self-lubricating structure of a roller bearing, which has the following beneficial effects:

[0020] In the utility model, when filling oil, lubricating oil is added into the oil storage cylinder, and the eccentric wheel is rotated by rotating the rotating rod. The rotation of the eccentric wheel drives the U-shaped seat and the guide rod to move up and down, and the guide rod is pressed down to press the sealing ball. At this time, the upper end of the guide cylinder is connected, and the lubricating oil enters the guide cylinder and flows into the through hole. The lubricating oil in the through hole flows into the groove on the outer ring through the guide groove, and then enters the oil storage tank through the oil inlet hole, so that the rolling body is lubricated. There is no need to disassemble the bearing during the lubrication process, and the oil filling is convenient.

[0021] In addition, in the utility model, a coating roller is installed on the movable arm, and the coating roller contacts the cylindrical roller. When the lubricating oil adheres to the surface of the cylindrical roller, the coating roller contacts the cylindrical roller under the action of the tension spring, and the lubricating oil on the cylindrical roller is evenly coated by the coating roller to improve the lubrication effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0023] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0024] In the attached picture:

[0025] Figure 1 A schematic diagram showing the overall structure of the present application;

[0026] Figure 2 A schematic diagram of the structure of the bottom of the top bearing shell of the present application is shown;

[0027] Figure 3 This application shows Figure 1 A schematic diagram of the enlarged structure of part A;

[0028] Figure 4 A schematic diagram showing the structure of the bottom of the top cover of the present application is shown;

[0029] Figure 5 A schematic structural diagram of the cage of the present application is shown;

[0030] Figure 6 A schematic structural diagram of a cylindrical roller of the present application is shown;

[0031] Figure 7 This application shows Figure 6 A schematic diagram of the enlarged structure of part B;

[0032] Figure 8 A schematic diagram of the structure inside the oil storage cylinder of the present application is shown.

[0033] Reference numerals list

[0034] 1. Base; 11. Connecting bolts; 12. Sealing pad; 13. Bottom bearing; 14. Top bearing; 141. Boss; 142. Through hole; 143. Guide groove;

[0035] 2. Top cover; 21. Support seat; 211. Guide tube; 212. Spring; 213. Plug; 214. Sealing ball; 22. Oil storage cylinder; 221. Rotating rod; 222. Knob; 223. Eccentric wheel; 224. U-shaped seat; 2241. Guide rod; 23. Sealing cover; 24. Fitting groove;

[0036] 3. Outer ring; 31. Groove; 311. Oil inlet hole; 32. Oil storage tank; 33. Cage; 331. Cylindrical roller; 332. Fixed plate; 3321. Movable arm; 3322. Applicator roller; 3323. Screw; 3324. Adjusting nut; 3325. Movable ferrule; 34. Inner ring; 35. Dust ring; 36. Connecting tube. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] Example 1: Please refer to Figures 1 to 8 :

[0039] The utility model proposes a self-lubricating structure of a roller bearing, comprising: a base 1;

[0040] A top cover 2 is installed at the upper end of the base 1, a through hole is provided on the top cover 2, and a support seat 21 is installed on the top cover 2 by screws, an oil storage cylinder 22 is fixed on the upper end of the support seat 21, a rotating rod 221 is installed inside the oil storage cylinder 22 through a bearing, an eccentric wheel 223 is fixed on the rotating rod 221, and a knob 222 is fixed on the rotating rod 221, a U-shaped seat 224 is installed on the eccentric wheel 223, a guide rod 2241 is fixed at the lower end of the U-shaped seat 224, a guide cylinder 211 is fixed on the support seat 21 by a nut, the lower end of the guide cylinder 211 is connected with the through hole on the top cover 2, a spring 212 is installed inside the guide cylinder 211, a plugging head 213 is installed on the upper end of the spring 212, a sealing ball 214 is provided on the upper end of the plugging head 213, the upper end of the sealing ball 214 is in contact with the lower end of the guide rod 2241, and a sealing cover 23 is installed on the upper end of the oil storage cylinder 22.

[0041] In the disclosed embodiment,

[0042] Two groups of connecting bolts 11 are installed on the base 1, and both groups of connecting bolts 11 are installed with sealing gaskets 12. The top cover 2 is installed on the upper end of the base 1 through the connecting bolts 11, and the lower end of the top cover 2 is provided with an engaging groove 24. The bottom bearing 13 is installed on the base 1, and the top bearing 14 is installed on the upper end of the bottom bearing 13. The upper end of the top bearing 14 is fixed with a boss 141, and the boss 141 is provided with a flow hole 142, and the lower end of the top bearing 14 is provided with a guide groove 143, and the lower end of the flow hole 142 is connected to the guide groove 143. The boss 141 is embedded in the engaging groove 24 on the top cover 2, and the upper end of the flow hole 142 is connected to the through hole on the engaging groove 24. The top bearing 1 Two groups of outer rings 3 are installed between 4 and the bottom bearing shell 13, and a connecting tube 36 is installed between the two groups of outer rings 3. The diameter of the connecting tube 36 is the same as that of the outer ring 3, and the top of the outer side of the connecting tube 36 is tightly fitted with the bottom of the top bearing shell 14. A groove 31 is provided on the outer ring 3, and an oil inlet hole 311 is provided on the groove 31. An oil storage tank 32 is provided on the inner side of the outer ring 3, and a retainer 33 is installed in the outer ring 3. A cylindrical roller 331 is installed on the retainer 33, and its function is: the lubricating oil in the through hole 142 flows into the groove 31 on the outer ring 3 through the guide groove 143, and then enters the oil storage tank 32 through the oil inlet hole 311, so as to realize the oil injection lubrication of the rolling body.

[0043] Embodiment 2, based on embodiment 1,

[0044] A fixed plate 332 is fixed on the retaining frame 33, and a movable arm 3321 is installed on the fixed plate 332 by bolts. A smear roller 3322 is installed on the movable arm 3321, and the smear roller 3322 contacts the cylindrical roller 331. Two groups of screw rods 3323 are fixed on the fixed plate 332, and adjusting nuts 3324 are installed on the two groups of screw rods 3323. A movable sleeve 3325 is sleeved on the adjusting nut 3324, and bolts are installed on the movable sleeve 3325 and the movable arm 3321. The two groups of bolts are used to install tension springs, and their function is: when the lubricating oil adheres to the surface of the cylindrical roller 331, the smear roller 3322 contacts the cylindrical roller 331 under the action of the tension spring, and the lubricating oil on the cylindrical roller 331 is evenly spread by the smear roller 3322 to improve the lubrication effect.

[0045] Embodiment 3, based on Embodiment 1 and Embodiment 2,

[0046] An inner ring 34 is installed inside the retaining frame 33 , and a dust ring 35 is arranged between the inner ring 34 and the outer ring 3 . The function of the dust ring 35 is to prevent external dust from entering the interior of the bearing.

[0047] The working principle of this embodiment is as follows: when in use, lubricating oil is added into the oil storage cylinder 22, and the eccentric wheel 223 is rotated by rotating the rotating rod 221. The rotation of the eccentric wheel 223 drives the U-shaped seat 224 and the guide rod 2241 to move up and down. The guide rod 2241 is pressed down and presses the sealing ball 214 down. At this time, the upper end of the guide cylinder 211 is connected, and the lubricating oil enters the guide cylinder 211 and flows into the flow hole 142. The lubricating oil in the flow hole 142 flows into the groove 31 on the outer ring 3 through the guide groove 143, and then enters the oil storage tank 32 through the oil inlet hole 311, so as to realize the oil filling and lubrication of the rolling body. When the lubricating oil adheres to the surface of the cylindrical roller 331, the coating roller 3322 contacts the cylindrical roller 331 under the action of the tension spring, and the lubricating oil on the cylindrical roller 331 is evenly coated by the coating roller 3322 to improve the lubrication effect.

[0048] In this article, there are a few points to note:

[0049] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0050] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0051] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A self-lubricating structure of a roller bearing, comprising: Base; characterized in that, A top cover is installed on the upper end of the base, a through hole is provided on the top cover, and a support seat is installed on the top cover by screws, an oil storage cylinder is fixed on the upper end of the support seat, a rotating rod is installed inside the oil storage cylinder through a bearing, an eccentric wheel is fixed on the rotating rod, and a knob is fixed on the rotating rod, a U-shaped seat is installed on the eccentric wheel, a guide rod is fixed at the lower end of the U-shaped seat, a guide cylinder is fixed on the support seat by a nut, the lower end of the guide cylinder is connected with the through hole on the top cover, a spring is installed inside the guide cylinder, a plugging head is installed on the upper end of the spring, a sealing ball is provided on the upper end of the plugging head, the upper end of the sealing ball contacts with the lower end of the guide rod, and a sealing cover is installed on the upper end of the oil storage cylinder.

2. The self-lubricating structure of a roller bearing according to claim 1, characterized in that: Two groups of connecting bolts are installed on the base, and both groups of connecting bolts are installed with sealing pads. The top cover is installed on the upper end of the base through the connecting bolts, and the lower end of the top cover is provided with an engaging groove.

3. The self-lubricating structure of a roller bearing according to claim 2, characterized in that: A bottom bearing is installed on the base, a top bearing is installed on the upper end of the bottom bearing, a boss is fixed on the upper end of the top bearing, a flow hole is arranged on the boss, and a guide groove is arranged on the lower end of the top bearing, the lower end of the flow hole is connected with the guide groove, the boss is embedded in the engaging groove on the top cover, and the upper end of the flow hole is connected with the through hole on the engaging groove.

4. The self-lubricating structure of a roller bearing according to claim 3, characterized in that: Two groups of outer rings are installed between the top bearing and the bottom bearing, and a connecting tube is installed between the two groups of outer rings. The diameter of the connecting tube is the same as that of the outer ring, and the top of the outer side of the connecting tube fits tightly with the bottom of the top bearing.

5. The self-lubricating structure of a roller bearing according to claim 4, characterized in that: The outer ring is provided with a groove, the groove is provided with an oil inlet hole, the inner side of the outer ring is provided with an oil storage groove, and a retaining frame is installed inside the outer ring, and a cylindrical roller is installed on the retaining frame.

6. The self-lubricating structure of a roller bearing according to claim 5, characterized in that: A fixed plate is fixed on the retaining frame, a movable arm is installed on the fixed plate by bolts, a coating roller is installed on the movable arm, the coating roller is in contact with the cylindrical roller, and two groups of screw rods are fixed on the fixed plate, both groups of screw rods are installed with adjusting nuts, the adjusting nuts are covered with movable sleeves, bolts are installed on the movable sleeves and the movable arm, and the two groups of bolts are used to install tension springs.

7. The self-lubricating structure of a roller bearing according to claim 6, characterized in that: An inner ring is installed inside the retaining frame, and a dust ring is arranged between the inner ring and the outer ring.

Images