Double-outer-ring bearing

Abstract

The utility model relates to the technical field of bearings, and discloses a double-outer-ring bearing which comprises an outer ring and an inner ring, and a mounting mechanism and an oil injection mechanism are arranged in the outer ring. By arranging the mounting mechanism, the first sealing ring can be quickly mounted and dismounted, and replacement is facilitated; the first sealing ring is installed in the outer ring, so that the elastic piece is aligned with a hole in the outer ring so as to enter the first supporting block, a first T-shaped plate is moved to drive a first damper and a first moving plate to move up and down, and therefore the elastic piece is clamped; in the dismounting process, only a first T-shaped plate needs to be moved downwards to extrude and pop out a first sealing ring, so that replacement is facilitated; an oil injection mechanism is arranged to lubricate the inner wall of the bearing, so that the bearing can be used for a long time; engine oil is injected into the first oil inlet pipe, and meanwhile, the engine oil leaks into the bearing through the first oil outlet pipe, so that rapid lubrication is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a double outer ring bearing. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy.

[0003] The China Patent Network discloses a double outer ring bearing, publication number CN208457034U, comprising an inner ring with a first outer ring and a second outer ring arranged side by side thereon. A first steel ball is fixed between the first outer ring and the inner ring via a retainer, a second steel ball is disposed between the second outer ring and the inner ring, a ball filling port is disposed between the inner wall of the second outer ring and the outer wall of the inner ring, the sidewall of the first outer ring is aligned with the sidewall of the second outer ring, an opening of the first outer ring is butted against an opening of the second outer ring, and another opening of the first outer ring and another opening of the second outer ring are both sealed by a sealing ring. This utility model combines a full-ball bearing with a conventional bearing, sharing a common inner ring. The sidewall of the first outer ring of the conventional bearing is aligned with the sidewall of the second outer ring of the full-ball bearing, an opening of the first outer ring is butted against an opening of the second outer ring, eliminating two sealing rings in between, and both the other opening of the first outer ring and the other opening of the second outer ring are sealed by a sealing ring. The overall structure is compact and has high utilization rate.

[0004] This solution also has the following problems: the sealing ring inside the bearing cannot be quickly disassembled, so replacing the sealing ring is relatively cumbersome.

[0005] Therefore, we proposed a double outer ring bearing to solve this problem. Utility Model Content

[0006] The purpose of the present utility model is to provide a double outer ring bearing to solve the problems raised in the above background technology.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A double outer ring bearing comprises an outer ring and an inner ring, wherein a mounting mechanism and an oil injection mechanism are provided inside the outer ring;

[0009] The mounting mechanism includes a supporting portion and a mounting portion, wherein the supporting portion is located on the side of the mounting portion;

[0010] The support portion includes a first sealing ring, a first groove is formed through the inner side surface of the outer ring, a plurality of first support blocks are fixedly provided on the top surface of the outer ring, and a plurality of first limiting grooves are formed through the top surfaces of the plurality of first support blocks;

[0011] The mounting portion includes a first support ring, a side surface of the first support ring is fixedly connected to a side surface of the first sealing ring, and a first groove is formed through the side surface of the inner ring.

[0012] A further improvement is that the oil injection mechanism includes a first oil inlet pipe, the outer surface of the first oil inlet pipe passes through the top surface of the first support ring and extends to the inside of the first support ring, and the bearing is better sealed by providing the first support ring.

[0013] A further improvement is that a second groove is opened through the side of the first support ring, and a plurality of balls are clamped on the inner wall of the second groove. The outer surfaces of the plurality of balls are clamped with the inner walls of the plurality of first grooves respectively, and the arrangement of the plurality of balls facilitates the rotation of the bearing.

[0014] Further improvements are as follows: a first T-shaped plate is slidingly provided on the inner walls of several first limiting grooves, a first damper is fixedly provided on the bottom surfaces of several first T-shaped plates, and a first movable plate is fixedly provided on the bottom surfaces of several first dampers, so that the elastic part can be better clamped by providing the first movable plate.

[0015] Further improvements are as follows: a number of elastic parts are fixedly provided on the top surface of the first sealing ring, and the outer surfaces of the several elastic parts respectively penetrate the inner top surface of the outer ring, the bottom surfaces of the several first support blocks, the inner walls of the several first limiting grooves and extend to the inside of the several first limiting grooves. By setting the elastic parts, it is convenient to quickly install and disassemble the first sealing ring.

[0016] A further improvement is that a first oil outlet pipe is opened through the side of the first support ring, and the outer surface of the first T-shaped plate is respectively arranged in contact with the top surfaces of several first support blocks, so that the bearings can be better lubricated by setting the first oil outlet pipe.

[0017] Compared with the prior art, the present invention has the following beneficial effects: the double outer ring bearing can quickly install and remove the first sealing ring by providing an installation mechanism, thereby facilitating replacement; by providing the first sealing ring to be installed inside the outer ring, the elastic member is aligned with the hole inside the outer ring, thereby entering the first support block; by moving the first T-shaped plate, the first damper and the first movable plate are driven to move up and down, thereby clamping the elastic member; when disassembly is required, only the first T-shaped plate needs to be moved downward to squeeze out the first sealing ring for easy replacement;

[0018] By setting up an oil injection mechanism, the inner wall of the bearing is lubricated, so that the bearing can be used for a long time; by injecting engine oil into the first oil inlet pipe, and at the same time the oil leaks into the bearing through the first oil outlet pipe, lubrication is quickly performed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1This is a three-dimensional top view of the structure of the utility model;

[0020] Figure 2 This is a partial sectional view of the three-dimensional front structure of the utility model;

[0021] Figure 3 It is a three-dimensional front sectional view of the structure of the utility model.

[0022] In the figure: outer ring 1, inner ring 2, mounting mechanism 3, first sealing ring 301, first support block 302, first support ring 303, oil filling mechanism 4, first oil inlet pipe 401, ball 402, first T-shaped plate 403, first damper 404, first movable plate 405, elastic member 406, first oil outlet pipe 407. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Example 1

[0025] See also Figure 1-Figure 3 The utility model provides a technical solution: a double outer ring bearing, comprising an outer ring 1 and an inner ring 2, wherein a mounting mechanism 3 and an oil injection mechanism 4 are provided inside the outer ring 1;

[0026] The mounting mechanism 3 includes a supporting portion and a mounting portion, wherein the supporting portion is located on the side of the mounting portion;

[0027] The support portion includes a first sealing ring 301, a first groove is formed through the inner side surface of the outer ring 1, and a plurality of first support blocks 302 are fixedly provided on the top surface of the outer ring 1. The top surfaces of the plurality of first support blocks 302 are each formed with a plurality of first limiting grooves;

[0028] The mounting portion includes a first support ring 303 , a side surface of the first support ring 303 is fixedly connected to a side surface of the first sealing ring 301 , and a first groove is formed through a side surface of the inner ring 2 .

[0029] Furthermore, this embodiment provides a mounting mechanism 3 for rapid installation and removal of the first sealing ring 301, making replacement easier. The first sealing ring 301 is installed inside the outer ring 1, so that the elastic member 406 is aligned with the hole inside the outer ring 1, thereby entering the first support block 302. The first damper 404 and the first movable plate 405 are driven to move up and down by moving the first T-shaped plate 403, thereby clamping the elastic member 406. When disassembly is required, the first T-shaped plate 403 only needs to be moved downward to squeeze and eject the first sealing ring 301 for easy replacement.

[0030] Example 2

[0031] See also Figure 1-Figure 3 , and based on Example 1, further obtain:

[0032] The oil filling mechanism 4 includes a first oil inlet pipe 401 . The outer surface of the first oil inlet pipe 401 passes through the top surface of the first support ring 303 and extends to the inside of the first support ring 303 .

[0033] Furthermore, in this embodiment, a second groove is formed through the side of the first support ring 303, and a plurality of balls 402 are clamped on the inner wall of the second groove. The outer surfaces of the plurality of balls 402 are clamped on the inner walls of the plurality of first grooves respectively.

[0034] Furthermore, in this embodiment, first T-shaped plates 403 are slidably provided on the inner walls of several first limiting grooves, several first dampers 404 are fixedly provided on the bottom surfaces of several first T-shaped plates 403, and first movable plates 405 are fixedly provided on the bottom surfaces of several first dampers 404.

[0035] Furthermore, in this embodiment, a plurality of elastic members 406 are fixedly provided on the top surface of the first sealing ring 301, and the outer surfaces of the plurality of elastic members 406 respectively penetrate the inner top surface of the outer ring 1, the bottom surfaces of the plurality of first support blocks 302, the inner walls of the plurality of first limiting grooves and extend to the interior of the plurality of first limiting grooves.

[0036] Furthermore, in this embodiment, a first oil outlet pipe 407 is provided through the side surface of the first support ring 303 , and the outer surface of the first T-shaped plate 403 is respectively in contact with the top surfaces of the plurality of first support blocks 302 .

[0037] Furthermore, in this embodiment, an oil injection mechanism 4 is provided to lubricate the inner wall of the bearing, so that the bearing can be used for a long time; by injecting engine oil into the first oil inlet pipe 401, and at the same time the first oil outlet pipe 407 leaks oil into the interior of the bearing, lubrication is quickly performed.

[0038] During use, the first sealing ring 301 can be quickly installed and removed by setting up the installation mechanism 3. The first sealing ring 301 is installed inside the outer ring 1 so that the elastic member 406 is aligned with the hole inside the outer ring 1, thereby entering the first support block 302. The first damper 404 and the first movable plate 405 are driven to move up and down by moving the first T-shaped plate 403, thereby clamping the elastic member 406. When disassembly is required, only the first T-shaped plate 403 needs to be moved downward to squeeze and pop out the first sealing ring 301; the oiling mechanism 4 is set to lubricate the inner wall of the bearing, so that the bearing can be used for a long time; the engine oil is injected into the first oil inlet pipe 401, and the oil leaks out from the first oil outlet pipe 407 into the bearing for lubrication.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double outer ring bearing, comprising an outer ring (1) and an inner ring (2), characterized in that: The outer ring (1) is provided with a mounting mechanism (3) and an oil injection mechanism (4); The mounting mechanism (3) comprises a supporting portion and a mounting portion, wherein the supporting portion is located on the side of the mounting portion; The support portion comprises a first sealing ring (301), a first groove is provided through the inner side surface of the outer ring (1), a plurality of first support blocks (302) are fixedly provided on the top surface of the outer ring (1), and a plurality of first limiting grooves are provided through the top surfaces of the plurality of first support blocks (302); The mounting portion comprises a first support ring (303), the side surface of the first support ring (303) is fixedly connected to the side surface of the first sealing ring (301), and a first groove is formed through the side surface of the inner ring (2).

2. The double outer ring bearing according to claim 1, characterized in that: The oil injection mechanism (4) comprises a first oil inlet pipe (401), the outer surface of which penetrates the top surface of the first support ring (303) and extends to the interior of the first support ring (303).

3. The double outer ring bearing according to claim 2, characterized in that: A second groove is formed through the side of the first support ring (303), and a plurality of balls (402) are clamped on the inner wall of the second groove. The outer surfaces of the plurality of balls (402) are clamped on the inner walls of the plurality of first grooves respectively.

4. The double outer ring bearing according to claim 3, characterized in that: A first T-shaped plate (403) is slidably provided on the inner walls of the plurality of first limiting grooves, a plurality of first dampers (404) are fixedly provided on the bottom surfaces of the plurality of first T-shaped plates (403), and a first movable plate (405) is fixedly provided on the bottom surfaces of the plurality of first dampers (404).

5. The double outer ring bearing according to claim 4, characterized in that: A plurality of elastic members (406) are fixedly provided on the top surface of the first sealing ring (301), and the outer surfaces of the plurality of elastic members (406) respectively penetrate the inner top surface of the outer ring (1), the bottom surfaces of the plurality of first support blocks (302), the inner walls of the plurality of first limiting grooves and extend to the interior of the plurality of first limiting grooves.

6. The double outer ring bearing according to claim 4, characterized in that: A first oil outlet pipe (407) is provided through the side surface of the first support ring (303), and the outer surface of the first T-shaped plate (403) is respectively in contact with the top surfaces of a plurality of first support blocks (302).

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