Lightweight cylindrical roller bearing

Abstract

The utility model relates to the technical field of bearings, and discloses a light-weight cylindrical roller bearing which comprises an outer ring, an extension shell is installed on the inner wall of the outer ring, an oil cavity is formed in the extension shell, an oil injection mechanism is arranged on the side wall of the extension shell, an oil guide roller is rotatably installed on the inner wall of the extension shell, and the oil guide roller is arranged on the inner wall of the outer ring. The outer wall of the oil guide roller corresponds to the inner ring face of the extending shell, a plurality of sets of roller bodies are rotationally installed on the inner wall of the extending shell, the roller bodies make contact with the outer wall of the oil guide roller, and the oil injection function can be achieved in the extending shell through an oil injection mechanism. The roller main body can play a role in rolling the oil guide roller when rolling in the extension shell, and the oil guide roller is positioned in the oil cavity, so that an oil injection role can be played on the outer wall of the roller main body when the oil guide roller rolls, and the mobility of the bearing is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a lightweight cylindrical roller bearing. Background Art

[0002] At present, in the field of bearings used in various equipment, low noise and high speed performance are generally required for bearings, especially in important precision instruments and equipment, low noise and high speed have become the top priority of bearing quality requirements. Precision pipe twisting machines have always used deep groove ball bearing structure.

[0003] The patent document with the publication number CN219013177U, which has been authorized for publication, discloses a deflected raceway type lightweight sealed cross cylindrical roller bearing, comprising an outer ring and an inner ring, between which rollers are arranged, and the rollers are evenly distributed around the circumference of the bearing axis; an isolation block is arranged between adjacent rollers; a tapered pin hole penetrating the upper and lower surfaces is also provided on the top of the outer ring, and a tapered pin is arranged in the tapered pin hole; a plug hole is provided at the pin tapered hole in the middle of the side wall of the outer ring, a plug is arranged in the plug hole, and a through hole is arranged in the middle of the plug; an elliptical groove is provided in the side wall gap of the outer ring relative to the inner ring, and an O-type sealing ring is arranged in the elliptical groove, and the angle of the inner and outer ring raceways of the bearing is set by deflection to make the cylindrical roller rotate at a specific optimal angle in the raceway and obtain the longest life or maximum safety factor, and the floating O-type sealing ring sealing structure is adopted, so that the inner and outer rings of the bearing do not need to leave a height difference between the inner and outer rings as a whole, so as to reduce the overall weight of the bearing, thereby meeting the use requirements.

[0004] During the use of bearings, workers need to manually oil them to maintain the mobility of the bearings. If the bearings are not oiled for a long time during use, the friction of the bearings will increase and the mobility of the bearings will be reduced. Utility Model Content

[0005] The utility model aims to provide a lightweight cylindrical roller bearing, which solves the problem that the bearing needs to be manually oiled by staff during use so as to maintain the mobility of the bearing. If the bearing is not oiled for a long time during use, the friction of the bearing will increase and the mobility of the bearing will be reduced.

[0006] An embodiment of the present application provides a lightweight cylindrical roller bearing, comprising an outer ring, an inner wall of the outer ring is mounted with an extension shell, an interior of the extension shell is provided with an oil chamber, a side wall of the extension shell is provided with an oil injection mechanism, an oil guide roller is rotatably mounted on the inner wall of the extension shell, the outer wall of the oil guide roller corresponds to the inner ring surface of the extension shell, a plurality of groups of roller bodies are rotatably mounted on the inner wall of the extension shell, and the roller bodies are in contact with the outer wall of the oil guide roller.

[0007] By adopting the above technical solution, the oil injection mechanism can be used to inject oil into the interior of the extension shell, and the roller body can roll the oil guide roller when rolling inside the extension shell. The oil guide roller is located inside the oil cavity, so that the outer wall of the roller body can be injected with oil when the oil guide roller rolls, thereby enhancing the mobility of the bearing.

[0008] Optionally, a plurality of groups of roller bodies are internally slidably mounted with retaining frames.

[0009] By adopting the above technical solution, the retaining frame can play a role in maintaining the spacing of the roller bodies.

[0010] Optionally, a plurality of groups of roller bodies are rotatably mounted with inner rings on a side away from the extension shell.

[0011] By adopting the above technical solution, the roller body can limit the inner ring, and the inner ring can rotate with the cooperation of the roller body.

[0012] Optionally, a locking ring is clamped on one side of the inner ring.

[0013] By adopting the above technical solution, the inner ring can be locked by the locking ring.

[0014] Optionally, the oil filling mechanism includes a threaded groove, the threaded groove is opened on a side surface of the extension shell, and the threaded groove extends into the oil chamber.

[0015] By adopting the above technical solution, the inside of the oil cavity can be filled with oil through the opening of the threaded groove.

[0016] Optionally, a locking bolt is threadedly mounted on the inner wall of the extension shell located inside the thread groove.

[0017] By adopting the above technical solution, the thread groove can be sealed by the locking bolt, and the outer wall of the locking screw ring is provided with a sealing sleeve.

[0018] Optionally, the outer wall of the oil guide roller is in contact with the inner wall of the extension shell, and the outer wall of the oil guide roller is provided with a rubber anti-slip layer.

[0019] By adopting the above technical solution, the outer wall of the oil guide roller is provided with a rubber anti-skid layer, so that the oil guide roller can roll better when the roller body rolls.

[0020] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0021] The technical solution of the present application can inject oil into the interior of the extension shell through the oil injection mechanism, and the roller body can roll the oil guide roller when rolling inside the extension shell. The oil guide roller is located inside the oil cavity, so that the outer wall of the roller body can be injected with oil when the oil guide roller rolls, thereby enhancing the mobility of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0023] Figure 1 It is a front view schematic diagram of a lightweight cylindrical roller bearing of the utility model;

[0024] Figure 2 A lightweight cylindrical roller bearing according to the utility model Figure 1 Enlarged view of point A in the middle;

[0025] Figure 3 It is a schematic diagram of a front view of a lightweight cylindrical roller bearing of the utility model;

[0026] Figure 4 It is a schematic side view of the inner ring of a lightweight cylindrical roller bearing of the utility model.

[0027] In the figure: 1. outer ring; 2. extension shell; 3. locking bolt; 4. oil guide roller; 5. roller body; 6. retaining frame; 7. locking ring; 8. inner ring. DETAILED DESCRIPTION

[0028] See also Figure 1-4 The utility model provides a technical solution: a lightweight cylindrical roller bearing, comprising an outer ring 1, an extension shell 2 is installed on the inner wall of the outer ring 1, an oil chamber is arranged inside the extension shell 2, an oil injection mechanism is arranged on the side wall of the extension shell 2, an oil guide roller 4 is rotatably installed on the inner wall of the extension shell 2, the outer wall of the oil guide roller 4 corresponds to the inner ring surface of the extension shell 2, a plurality of groups of roller bodies 5 are rotatably installed on the inner wall of the extension shell 2, the roller bodies 5 are in contact with the outer wall of the oil guide roller 4, the oil injection mechanism comprises a threaded groove, the threaded groove is arranged on one side of the extension shell 2, and the threaded groove extends to the inside of the oil chamber.

[0029] In the technical solution of the utility model, the extension shell 2 can be filled with oil through the oil filling mechanism, and the roller body 5 can roll the oil guide roller 4 when rolling inside the extension shell 2, and the oil guide roller 4 is located inside the oil cavity, so that the outer wall of the roller body 5 can be filled with oil when the oil guide roller 4 rolls, thereby enhancing the mobility of the bearing.

[0030] In addition, the thread groove can be opened to fill the oil cavity with oil.

[0031] In the technical solution of the utility model, if Figure 1 and Figure 2 As shown, a locking bolt 3 is threadedly installed on the inner wall of the extension shell 2 located inside the thread groove, and the thread groove can be sealed by the locking bolt 3, and a sealing sleeve is provided on the outer wall of the locking screw ring.

[0032] In the technical solution of the utility model, if Figure 1 , Figure 3 and Figure 4 As shown, a retaining frame 6 is slidably installed inside the multiple groups of roller bodies 5, and the retaining frame 6 can be used to maintain the spacing of the roller bodies 5. An inner ring 8 is rotatably installed on the side of the multiple groups of roller bodies 5 away from the extension shell 2, and the roller body 5 can be used to limit the inner ring 8, and the inner ring 8 can be rotated with the cooperation of the roller body 5. A locking ring 7 is clamped on one side of the inner ring 8, and the locking ring 7 can be used to lock the inner ring 8.

[0033] In the technical solution of the utility model, if Figure 3 As shown, the outer wall of the oil guide roller 4 fits with the inner wall of the extension shell 2, and the outer wall of the oil guide roller 4 is provided with a rubber anti-skid layer. The outer wall of the oil guide roller 4 is provided with a rubber anti-skid layer, so that the oil guide roller 4 can roll better when the roller body 5 rolls.

[0034] When in use, firstly, a bearing can be formed by the outer ring 1, the extension shell 2, the retaining frame 6, the roller body 5 and the inner ring 8, and with the cooperation of the locking groove, the inside of the oil chamber can be filled with oil, so that the locking bolt 3 can seal the thread groove, and the roller body 5 can roll the oil guide roller 4 when rolling inside the extension shell 2, and the oil guide roller 4 is located inside the oil chamber, so that the outer wall of the roller body 5 can be filled with oil when the oil guide roller 4 rolls, thereby enhancing the mobility of the bearing.

Claims

1. A lightweight cylindrical roller bearing, characterized in that: The invention comprises an outer ring (1), an extension shell (2) is mounted on the inner wall of the outer ring (1), an oil chamber is arranged inside the extension shell (2), an oil injection mechanism is arranged on the side wall of the extension shell (2), an oil guide roller (4) is rotatably mounted on the inner wall of the extension shell (2), the outer wall of the oil guide roller (4) corresponds to the inner ring surface of the extension shell (2), a plurality of roller bodies (5) are rotatably mounted on the inner wall of the extension shell (2), and the roller bodies (5) are in contact with the outer wall of the oil guide roller (4).

2. A lightweight cylindrical roller bearing according to claim 1, characterized in that: A retaining frame (6) is slidably mounted inside the plurality of groups of roller bodies (5).

3. A lightweight cylindrical roller bearing according to claim 2, characterized in that: The inner ring (8) is rotatably mounted on the side of the plurality of roller bodies (5) away from the extension shell (2).

4. A lightweight cylindrical roller bearing according to claim 3, characterized in that: A lock ring (7) is clamped on one side of the inner ring (8).

5. A lightweight cylindrical roller bearing according to claim 1, characterized in that: The oil injection mechanism comprises a thread groove, the thread groove is arranged on a side surface of the extension shell (2), and the thread groove extends to the inside of the oil chamber.

6. A lightweight cylindrical roller bearing according to claim 5, characterized in that: A locking bolt (3) is threadedly mounted on the inner wall of the extension shell (2) located inside the thread groove.

7. A lightweight cylindrical roller bearing according to claim 1, characterized in that: The outer wall of the oil guide roller (4) is in contact with the inner wall of the extension shell (2), and the outer wall of the oil guide roller (4) is provided with a rubber anti-slip layer.

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