Self-lubricating knuckle bearing

Abstract

The utility model discloses a self-lubricating knuckle bearing, which relates to the self-lubricating bearing field, and comprises a bearing seat and a first mounting rod fixed on the bearing seat, a rotor is embedded in the bearing seat, the side wall of the first mounting rod is provided with a connecting groove, a connecting rod is inserted in the connecting groove in an axial positioning fit manner, and the first mounting rod is provided with a second mounting rod. A telescopic hole is formed in the outer wall of the connecting rod, a mounting piece is fixed to the connecting rod, a positioning rod clamped to the inner wall of the connecting groove is elastically inserted into the telescopic hole, a plurality of lubricating protruding blocks are fixedly embedded into the outer wall of the rotor, and a mounting hole is formed in the center of the rotor. According to the self-lubricating bearing, the positioning rod is extruded from the side wall of the groove to be moved out of the positioning groove, and the connecting rod is pulled out of the connecting groove after being moved out, so that the connecting rod is convenient to mount and dismount, the self-lubricating bearing is suitable for mounting different threaded parts, and the applicability of the self-lubricating bearing is improved.

Description

Technical Field

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

[0002] Self-lubricating spherical plain bearings are self-lubricating. They are available in a variety of materials, including composite, solid-inlaid, bimetallic, and specialty materials. They consist primarily of an inner ring with an outer spherical surface and an outer ring with an inner spherical surface. They have a simple structure, excellent wear resistance, a low coefficient of friction, and a long service life. They can withstand heavy loads, including radial, axial, and combined loads. During operation, they form a transfer film to protect the grinding shaft. They are equipped with threaded mounting elements on their bases.

[0003] Patent application number 202223377873.3 discloses a dustproof rod end joint bearing, including an outer ring body and an inner ring body arranged in the outer ring body. The end face of the outer ring body is provided with a rubber dustproof sleeve, and the rubber dustproof sleeve is arranged on the outside of the inner ring body. The end face of the outer ring body is provided with an annular positioning groove, and several locking devices are evenly distributed in the annular positioning groove. Several of the locking devices are used to press the rubber dustproof sleeve to the outer ring body.

[0004] In the above technical solution, the outer ring body is used to install the self-lubricating spherical bearing. Since the base used to fix the self-lubricating spherical bearing has different types of threaded parts (including screw parts and screw hole parts), a self-lubricating spherical bearing that is compatible with the threaded parts is required for installation. As a result, the fixed type of self-lubricating spherical bearing cannot meet the installation requirements of different threaded parts, resulting in poor applicability of the self-lubricating spherical bearing. Utility Model Content

[0005] Based on this, the purpose of the present invention is to provide a self-lubricating spherical bearing to solve the technical problem that fixed-type self-lubricating spherical bearings cannot meet the installation requirements of different threaded parts, resulting in poor applicability of self-lubricating spherical bearings.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a self-lubricating spherical bearing, comprising a bearing seat and a first mounting rod fixed on the bearing seat, a rotor embedded in the bearing seat, a connecting groove provided on the side wall of the first mounting rod, a connecting rod axially positioned and inserted into the connecting groove, a telescopic hole provided on the outer wall of the connecting rod, a mounting piece fixed on the connecting rod, a positioning rod elastically inserted into the telescopic hole and engaged with the inner wall of the connecting groove.

[0007] The present invention is further configured such that a plurality of lubricating protrusions are embedded and fixed in the outer wall of the rotor, and a mounting hole is opened at the center of the rotor.

[0008] The utility model is further configured such that the lubricating protrusion is tightly connected to the inner wall of the bearing seat, and sealing baffles are fixed at both ends of the bearing seat.

[0009] The present invention is further configured such that grooves are provided on both sides of the outer wall of the first mounting rod, and a positioning hole extending into the connecting groove is provided at the center of the inner wall of the groove.

[0010] The utility model is further configured such that a spring is embedded in the telescopic hole, and one fixed end of the positioning rod extends out of the telescopic hole and is inserted into the positioning hole.

[0011] The present invention is further configured such that an anti-slip portion is fixed on the positioning rod, and the anti-slip portion abuts against the inner wall of the telescopic hole.

[0012] The present invention is further configured such that the mounting member is a threaded rod, and the threaded rod is fixedly connected to the connecting rod.

[0013] The present invention is further configured such that the mounting member is a second mounting rod, the second mounting rod is fixedly connected to the connecting rod, and a threaded hole is provided at the center of the side wall of the second mounting rod.

[0014] To sum up, the utility model mainly has the following beneficial effects: the utility model fixes a first mounting rod on the bearing seat, opens a connecting groove on the first mounting rod, and fits a connecting rod in the connecting groove. After the connecting rod is fit in the connecting groove, the spring in the telescopic hole on the side wall of the connecting rod pushes the positioning rod to be inserted into the positioning hole, so that the connecting rod remains fixed in the connecting groove. When replacing the connecting rod with a different mounting part, the positioning rod is squeezed from the side wall of the groove to move it out of the positioning groove, and after moving out, the connecting rod is pulled out of the connecting groove, which facilitates the installation and disassembly of the connecting rod, is suitable for the installation of different threaded parts, and improves the applicability of self-lubricating bearings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the disassembled structure of the bearing seat of the utility model;

[0017] Figure 3 This is a schematic structural diagram of an embodiment of the present utility model;

[0018] Figure 4 For this utility model Figure 3 A magnified schematic diagram of the structure in the middle.

[0019] In the figure: 1. Bearing seat; 2. Sealing baffle; 3. Rotor; 4. First mounting rod; 5. Threaded rod; 6. Groove; 7. Lubricating bump; 8. Mounting hole; 9. Connecting groove; 10. Connecting rod; 11. Positioning hole; 12. Threaded hole; 13. Second mounting rod; 14. Telescopic hole; 15. Anti-slip part; 16. Positioning rod; 17. Spring. DETAILED DESCRIPTION

[0020] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0021] A self-lubricating spherical plain bearing, such as Figure 1-4 As shown, it includes a bearing seat 1 and a first mounting rod 4 fixed on the bearing seat 1, a rotor 3 is embedded in the bearing seat 1, a connecting groove 9 is provided on the side wall of the first mounting rod 4, a connecting rod 10 is axially positioned and inserted into the connecting groove 9, a telescopic hole 14 is provided on the outer wall of the connecting rod 10, and a mounting part is fixed on the connecting rod 10, and a positioning rod 16 that is elastically inserted into the telescopic hole 14 and is engaged with the inner wall of the connecting groove 9.

[0022] A plurality of lubricating protrusions 7 are embedded and fixed in the outer wall of the rotor 3, and a mounting hole 8 is provided at the center of the rotor 3. The lubricating protrusion 7 is tightly connected to the inner wall of the bearing seat 1. Sealing baffles 2 are fixed at both ends of the bearing seat 1. Grooves 6 are provided on both sides of the outer wall of the first mounting rod 4. A positioning hole 11 extending into the connecting groove 9 is provided at the center of the inner wall of the groove 6. The lubricating protrusion 7 contacts the bearing seat 1 during the rotation of the rotor 3 and forms a lubricating layer between the rotor 3 and the bearing seat 1. The sealing baffles 2 on both sides of the bearing seat 1 block the lubricating layer, thereby preventing leakage of the lubricating layer.

[0023] Furthermore, a spring 17 is embedded in the telescopic hole 14, and a positioning rod 16 extends out of the telescopic hole 14 and is fixed at one end to be inserted into the positioning hole 11. An anti-slip portion 15 is fixed on the positioning rod 16, and the anti-slip portion 15 abuts against the inner wall of the telescopic hole 14. The spring 17 in the telescopic hole 14 on the side wall of the connecting rod 10 pushes the positioning rod 16 to be inserted into the positioning hole 11, so that the connecting rod 10 remains fixed in the connecting groove 9. The mounting part is a threaded rod 5, which is fixedly connected to the connecting rod 10. The mounting part is a second mounting rod 13, which is fixedly connected to the connecting rod 10, and a threaded hole 12 is provided at the center position of the side wall of the second mounting rod 13. The self-lubricating spherical bearing is suitable for the installation of different threaded parts through the threaded rod 5 and the second mounting rod 13 provided with the threaded hole 12.

[0024] The working principle of the present utility model is as follows: when in use, after the driving rod is installed in the rotor 3, the rotor 3 rotates in the bearing seat 1, and the lubricating protrusion 7 contacts the bearing seat 1 during the rotation of the rotor 3, and forms a lubricating layer between the rotor 3 and the bearing seat 1. When replacing the connecting rod 10 with a different mounting part, the positioning rod 16 is squeezed from the side wall of the groove 6 to move it out of the positioning groove, and after moving it out, the connecting rod 10 is pulled out of the connecting groove 9. After replacing the connecting rod 10 with a different type of mounting part, the connecting rod 10 is fitted and inserted into the connecting groove 9. The spring 17 in the telescopic hole 14 on the side wall of the connecting rod 10 pushes the positioning rod 16 to be inserted into the positioning hole 11, so that the connecting rod 10 remains fixed in the connecting groove 9. Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A self-lubricating spherical plain bearing, comprising a bearing seat (1) and a first mounting rod (4) fixed to the bearing seat (1), characterized in that: A rotor (3) is embedded in the bearing seat (1), a connecting groove (9) is provided on the side wall of the first mounting rod (4), a connecting rod (10) is axially positioned and inserted into the connecting groove (9), a telescopic hole (14) is provided on the outer wall of the connecting rod (10), and a mounting piece is fixed on the connecting rod (10), and a positioning rod (16) is elastically inserted into the telescopic hole (14) and is engaged with the inner wall of the connecting groove (9).

2. The self-lubricating spherical plain bearing according to claim 1, characterized in that: A plurality of lubricating bumps (7) are embedded and fixed in the outer wall of the rotor (3), and a mounting hole (8) is provided at the center of the rotor (3).

3. The self-lubricating spherical plain bearing according to claim 2, characterized in that: The lubricating protrusion (7) is tightly connected to the inner wall of the bearing seat (1), and sealing baffles (2) are fixed at both ends of the bearing seat (1).

4. The self-lubricating spherical plain bearing according to claim 1, characterized in that: Grooves (6) are provided on both sides of the outer wall of the first mounting rod (4), and a positioning hole (11) extending into the connecting groove (9) is provided at the center of the inner wall of the groove (6).

5. The self-lubricating spherical plain bearing according to claim 4, characterized in that: A spring (17) is embedded in the telescopic hole (14), and one end of the positioning rod (16) extends out of the telescopic hole (14) and is fixedly inserted into the positioning hole (11).

6. The self-lubricating spherical plain bearing according to claim 5, characterized in that: An anti-slip portion (15) is fixed on the positioning rod (16), and the anti-slip portion (15) abuts against the inner wall of the telescopic hole (14).

7. A self-lubricating spherical plain bearing according to any one of claims 1 to 6, characterized in that: The mounting member is a threaded rod (5), and the threaded rod (5) is fixedly connected to the connecting rod (10).

8. The self-lubricating spherical plain bearing according to any one of claims 1 to 6, characterized in that: The mounting member is a second mounting rod (13), the second mounting rod (13) is fixedly connected to the connecting rod (10), and a threaded hole (12) is provided at the center of the side wall of the second mounting rod (13).

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