Roller bearing convenient to install

Abstract

The utility model relates to a roller bearing convenient to install, and relates to the technical field of roller bearings, the roller bearing convenient to install comprises an outer ring and an installation shaft, a rolling body is arranged between the outer ring and the installation shaft, one side of the rolling body is attached to the outer ring, and the other side of the rolling body is attached to the installation shaft; a fixing piece is detachably installed on the installation shaft, and a fixing assembly used for fixing the fixing piece is arranged on the installation shaft. The utility model provides the bearing which is convenient to mount and does not need additional customized accessories.

Description

Technical Field

[0001] The present application relates to the technical field of roller bearings, and in particular to a roller bearing that is easy to install. Background Art

[0002] Roller bearings include a bearing outer ring and a bearing inner ring. Usually, when in use, the user needs to press a fixed shaft of the right size into the bearing inner ring for installation, and install the external part with a hole on the fixed shaft, thereby completing the connection between the bearing inner ring and the external part with a hole. However, this installation method has high requirements on the size of the fixed shaft. Usually, the fixed shaft needs to be customized. In actual use, on the one hand, the production customization cost is high, and on the other hand, customized fixed shaft requires extra time, which makes the assembly cycle longer and inconvenient to use. Utility Model Content

[0003] In order to provide a bearing that is easy to install and does not require additional customized assembly parts, the present application provides a roller bearing that is easy to install.

[0004] The present application provides a roller bearing that is easy to install, which adopts the following technical solution:

[0005] A roller bearing that is easy to install includes an outer ring and a mounting shaft, a rolling body is arranged between the outer ring and the mounting shaft, one side of the rolling body is affixed to the outer ring, and the other side of the rolling body is affixed to the mounting shaft, a fixing piece is detachably installed on the mounting shaft, and a fixing assembly for fixing the fixing piece is arranged on the mounting shaft.

[0006] By adopting the above technical solution, when the bearing is in use, the fixing part is installed on the mounting shaft and locked by the fixing component. At this time, the fixing part is fixed to the mounting shaft, and the outer ring can rotate relatively. When in use, the user only needs to connect the fixing part to the bearing through the reamed hole on the fixing part and lock it by the fixing component to complete the installation of the fixing part. No customized assembly parts are required, which is convenient for installation.

[0007] Preferably, a through hole is formed in the installation shaft, and the fixing assembly includes a locking bolt passing through the through hole and a locking nut threadedly connected to the locking bolt, and the locking nut can fit on the fixing piece and fix the fixing piece.

[0008] By adopting the above technical solution, a through hole is provided to penetrate the installation shaft, which, on the one hand, reduces the material used for the bearing and reduces the manufacturing cost, and on the other hand, leaves installation space for the locking bolt, making it easier to fix the bearing by the locking bolt and the locking nut.

[0009] Preferably, the locking bolt comprises a bolt head and a screw portion, and the diameter of the screw portion is less than or equal to the width of the through hole.

[0010] By adopting the above technical solution, the diameter of the screw portion is less than or equal to the width of the through hole, which makes it easy for the user to select a locking bolt of a suitable type for use.

[0011] Preferably, the rolling element is a needle roller.

[0012] By adopting the above technical solution and setting the needle roller, the needle roller rotates on the installation shaft, so that the friction between the installation shaft and the outer ring is rolling friction, which effectively reduces the friction force between the installation shaft and the outer ring.

[0013] Preferably, a plurality of needle rollers are provided, and the needle rollers are arranged along the circumference of the mounting shaft, and the plurality of needle rollers are fully loaded on the mounting shaft.

[0014] By adopting the above technical solution, the outer ring is evenly supported by a plurality of evenly arranged needle rollers, which is convenient for use.

[0015] Preferably, a first sealing ring is provided between the outer ring and the mounting shaft.

[0016] By adopting the above technical solution and setting the first sealing ring, the connection between the outer ring and the mounting shaft is sealed, which effectively reduces the interference of the external environment on the inside of the bearing and ensures the service life of the bearing.

[0017] Preferably, a retaining ring is installed on the installation shaft, and the retaining ring is located between the installation shaft and the outer ring.

[0018] By adopting the above technical solution and providing the retaining ring, the retaining ring also has a sealing effect, thereby reducing the interference of the external environment on the inside of the bearing.

[0019] Preferably, a second sealing ring is provided between the retaining ring and the outer ring.

[0020] By adopting the above technical solution and providing the second sealing ring, the second sealing ring is used in cooperation with the retaining ring to seal the end of the bearing together, thereby ensuring the sealing effect.

[0021] In summary, the present application includes at least one of the following beneficial technical effects:

[0022] 1. Through the setting of the installation shaft, fixing parts, locking bolts and locking nuts, when using, you only need to install the installation shaft on the fixing parts, and then fix the bearing and the fixing parts with simple bolts to complete the installation, which effectively reduces the difficulty of installation and does not require customized assembly parts for assembly;

[0023] 2. The provision of through holes can reduce the material used for the bearing, reduce the weight of the bearing, and reduce the manufacturing cost. On the other hand, it can leave installation space for the locking bolt, making it easier to fix the bearing by the locking bolt and the locking nut. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a cross-sectional schematic diagram mainly showing the overall structure in the embodiment of the present application.

[0025] Figure numerals: 1. outer ring; 2. mounting shaft; 3. fixing piece; 4. fixing assembly; 41. locking bolt; 411. bolt head; 412. screw portion; 42. locking nut; 5. through hole; 6. needle roller; 7. first sealing ring; 8. retaining ring; 9. second sealing ring. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1 This application is described in further detail.

[0027] The embodiment of the present application discloses a roller bearing that is easy to install.

[0028] like Figure 1 As shown, a roller bearing that is easy to install includes an outer ring 1 and a mounting shaft 2. A rolling body is arranged between the outer ring 1 and the mounting shaft 2. The rolling body is a needle roller 6. A plurality of needle rollers 6 are arranged. The plurality of needle rollers 6 are fully loaded on the mounting shaft 2, and the needle rollers 6 are arranged circumferentially on the mounting shaft 2. A single needle roller 6 is rotatably connected to the mounting shaft 2. One end of the needle roller 6 is attached to the mounting shaft 2, and the other end is attached to the outer ring 1, so that the friction between the mounting shaft 2 and the outer ring 1 is the rolling friction through the needle rollers 6.

[0029] like Figure 1 As shown, a first sealing ring 7 is arranged between the outer ring 1 and the mounting shaft 2. The first sealing ring 7 is clamped and installed between the outer ring 1 and the mounting shaft 2, and can effectively separate the needle roller 6 between the outer ring 1 and the mounting shaft 2 from the external environment. A retaining ring 8 and a second sealing ring 9 are also arranged between the outer ring 1 and the mounting shaft 2. The first sealing ring 7 and the second sealing ring 9 are respectively located at the two ends of the outer ring 1, so as to perform double-end sealing on the needle roller 6, wherein the retaining ring 8 is clamped and fixed on the mounting shaft 2, and the second sealing ring 9 is clamped and installed between the retaining ring 8 and the outer ring 1. The retaining ring 8 and the second sealing ring 9 work together to separate the needle roller 6 from the external environment, thereby realizing the sealing of the bearing.

[0030] like Figure 1As shown, a fixing part 3 is detachably connected to the mounting shaft 2, and the fixing part 3 can be snapped onto the mounting shaft 2. A hinged hole is provided on the fixing part 3. The specific shape of the fixing part 3 can be adaptively adjusted according to the actual parts to be connected. It is necessary to ensure that the hinged hole provided on the fixing part 3 cooperates with the outer side of the shaft section of the mounting shaft 2. The fixing part 3 can be snapped onto the end of the mounting shaft 2 away from the first sealing ring 7, and the outer ring 1 is extended out of the fixing part 3. The second sealing ring 9 is located between the fixing part 3 and the first sealing ring 7. A through hole 5 is provided in the mounting shaft 2. The through hole 5 passes through the mounting shaft 2 and is provided along the axial direction of the mounting shaft 2. The cross-section of the through hole 5 is circular and the whole is cylindrical. A fixing component 4 for fixing the fixing part 3 is also provided on the mounting shaft 2. The fixing component 4 includes a locking bolt 41 and a lock Tightening nut 42, locking bolt 41 includes a bolt head 411 and a screw portion 412, the screw portion 412 is integrally formed on the bolt head 411, and the diameter of the screw portion 412 is less than or equal to the diameter of the through hole 5. In this embodiment, the diameter of the screw portion 412 is smaller than the diameter of the through hole 5. During the bearing forming process, it is necessary to first press the fixing member 3 onto the mounting shaft 2, and then penetrate the locking bolt 41 at one end of the through hole 5, so that the locking bolt 41 passes through the through hole 5 from the other end of the through hole 5, and then screw the locking nut 42 onto the locking bolt 41 extending out of the other end of the through hole 5, so that the locking nut 42 fits on the fixing member 3 to fix the fixing member 3. For ease of use, the user can also set a gasket on the locking nut 42 close to the fixing member 3 to press the fixing member 3.

[0031] The implementation principle of the embodiment of the present application is: when it is put into actual use, after the bearing is assembled and used, the user only needs to screw the bearing into the reamed hole on the fixing member 3, and fix the fixing member 3 and the bearing together with bolts and nuts to achieve the installation of the fixing member 3. There is no need for customized assembly parts for assembly, and it is convenient and quick to use.

[0032] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A roller bearing that is easy to install. Features: The invention comprises an outer ring (1) and a mounting shaft (2), wherein a rolling body is arranged between the outer ring (1) and the mounting shaft (2), one side of the rolling body is affixed to the outer ring (1), and the other side of the rolling body is affixed to the mounting shaft (2), a fixing part (3) is detachably mounted on the mounting shaft (2), and a fixing assembly (4) for fixing the fixing part (3) is arranged on the mounting shaft (2).

2. A roller bearing that is easy to install according to claim 1, Features: A through hole (5) is formed in the installation shaft (2), and the fixing assembly (4) comprises a locking bolt (41) passing through the through hole (5) and a locking nut (42) threadedly connected to the locking bolt (41); the locking nut (42) can fit on the fixing member (3) and fix the fixing member (3).

3. A roller bearing that is easy to install according to claim 2, Features: The locking bolt (41) comprises a bolt head (411) and a screw portion (412), and the diameter of the screw portion (412) is less than or equal to the width of the through hole (5).

4. A roller bearing that is easy to install according to claim 1, Features: The rolling body is a needle roller (6).

5. A roller bearing that is easy to install according to claim 4, Features: A plurality of needle rollers (6) are provided, and the needle rollers (6) are arranged along the circumference of the mounting shaft (2), and the plurality of needle rollers (6) are fully loaded on the mounting shaft (2).

6. A roller bearing that is easy to install according to claim 1, Features: A first sealing ring (7) is arranged between the outer ring (1) and the mounting shaft (2).

7. A roller bearing that is easy to install according to claim 1, Features: A retaining ring (8) is installed on the installation shaft (2), and the retaining ring (8) is located between the installation shaft (2) and the outer ring (1).

8. A roller bearing that is easy to install according to claim 7, Features: A second sealing ring (9) is provided between the retaining ring (8) and the outer ring (1).

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